AC_PREREQ([2.69]) define(_CLIENT_VERSION_MAJOR, 23) define(_CLIENT_VERSION_MINOR, 1) define(_CLIENT_VERSION_BUILD, 0) define(_CLIENT_VERSION_RC, 1) define(_CLIENT_VERSION_IS_RELEASE, true) define(_COPYRIGHT_YEAR, 2022) define(_COPYRIGHT_HOLDERS,[The %s developers]) define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Bitcoin Core]]) AC_INIT([Bitcoin Core],m4_join([.], _CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MINOR, _CLIENT_VERSION_BUILD)m4_if(_CLIENT_VERSION_RC, [0], [], [rc]_CLIENT_VERSION_RC),[https://github.com/bitcoin/bitcoin/issues],[bitcoin],[https://bitcoincore.org/]) AC_CONFIG_SRCDIR([src/validation.cpp]) AC_CONFIG_HEADERS([src/config/bitcoin-config.h]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_MACRO_DIR([build-aux/m4]) m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([PKG_PROG_PKG_CONFIG macro not found. Please install pkg-config and re-run autogen.sh])]) PKG_PROG_PKG_CONFIG if test "$PKG_CONFIG" = ""; then AC_MSG_ERROR([pkg-config not found]) fi BITCOIN_DAEMON_NAME=bitcoind BITCOIN_GUI_NAME=bitcoin-qt BITCOIN_CLI_NAME=bitcoin-cli BITCOIN_TX_NAME=bitcoin-tx BITCOIN_UTIL_NAME=bitcoin-util BITCOIN_WALLET_TOOL_NAME=bitcoin-wallet dnl Multi Process BITCOIN_MP_NODE_NAME=bitcoin-node BITCOIN_MP_GUI_NAME=bitcoin-gui dnl Unless the user specified ARFLAGS, force it to be cr AC_ARG_VAR([ARFLAGS], [Flags for the archiver, defaults to if not set]) if test "${ARFLAGS+set}" != "set"; then ARFLAGS="cr" fi AC_CANONICAL_HOST AH_TOP([#ifndef BITCOIN_CONFIG_H]) AH_TOP([#define BITCOIN_CONFIG_H]) AH_BOTTOM([#endif //BITCOIN_CONFIG_H]) dnl faketime breaks configure and is only needed for make. Disable it here. unset FAKETIME dnl Automake init set-up and checks AM_INIT_AUTOMAKE([1.13 no-define subdir-objects foreign]) dnl faketime messes with timestamps and causes configure to be re-run. dnl --disable-maintainer-mode can be used to bypass this. AM_MAINTAINER_MODE([enable]) dnl make the compilation flags quiet unless V=1 is used AM_SILENT_RULES([yes]) dnl Compiler checks (here before libtool). if test "${CXXFLAGS+set}" = "set"; then CXXFLAGS_overridden=yes else CXXFLAGS_overridden=no fi AC_PROG_CXX dnl By default, libtool for mingw refuses to link static libs into a dll for dnl fear of mixing pic/non-pic objects, and import/export complications. Since dnl we have those under control, re-enable that functionality. case $host in *mingw*) lt_cv_deplibs_check_method="pass_all" ;; esac AC_ARG_WITH([seccomp], [AS_HELP_STRING([--with-seccomp], [enable experimental syscall sandbox feature (-sandbox), default is yes if seccomp-bpf is detected under Linux x86_64])], [seccomp_found=$withval], [seccomp_found=auto]) dnl Require C++17 compiler (no GNU extensions) AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory]) dnl Check if -latomic is required for CHECK_ATOMIC dnl check if additional link flags are required for std::filesystem CHECK_FILESYSTEM dnl Unless the user specified OBJCXX, force it to be the same as CXX. This ensures dnl that we get the same -std flags for both. m4_ifdef([AC_PROG_OBJCXX],[ if test "${OBJCXX+set}" = ""; then OBJCXX="${CXX}" fi AC_PROG_OBJCXX ]) dnl Since libtool 1.5.2 (released 2004-01-25), on Linux libtool no longer dnl sets RPATH for any directories in the dynamic linker search path. dnl See more: https://wiki.debian.org/RpathIssue LT_PREREQ([1.5.2]) dnl Libtool init checks. LT_INIT([pic-only win32-dll]) dnl Check/return PATH for base programs. AC_PATH_TOOL([AR], [ar]) AC_PATH_TOOL([RANLIB], [ranlib]) AC_PATH_TOOL([STRIP], [strip]) AC_PATH_TOOL([GCOV], [gcov]) AC_PATH_TOOL([LLVM_COV], [llvm-cov]) AC_PATH_PROG([LCOV], [lcov]) dnl Python 3.6 is specified in .python-version and should be used if available, see doc/dependencies.md AC_PATH_PROGS([PYTHON], [python3.6 python3.7 python3.8 python3.9 python3.10 python3.11 python3 python]) AC_PATH_PROG([GENHTML], [genhtml]) AC_PATH_PROG([GIT], [git]) AC_PATH_PROG([CCACHE], [ccache]) AC_PATH_PROG([XGETTEXT], [xgettext]) AC_PATH_PROG([HEXDUMP], [hexdump]) AC_PATH_TOOL([OBJCOPY], [objcopy]) AC_PATH_PROG([DOXYGEN], [doxygen]) AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"]) AC_ARG_VAR([PYTHONPATH], [Augments the default search path for python module files]) AC_ARG_ENABLE([wallet], [AS_HELP_STRING([--disable-wallet], [disable wallet (enabled by default)])], [enable_wallet=$enableval], [enable_wallet=auto]) AC_ARG_WITH([sqlite], [AS_HELP_STRING([--with-sqlite=yes|no|auto], [enable sqlite wallet support (default: auto, i.e., enabled if wallet is enabled and sqlite is found)])], [use_sqlite=$withval], [use_sqlite=auto]) AC_ARG_WITH([bdb], [AS_HELP_STRING([--without-bdb], [disable bdb wallet support (default is enabled if wallet is enabled)])], [use_bdb=$withval], [use_bdb=auto]) AC_ARG_ENABLE([usdt], [AS_HELP_STRING([--enable-usdt], [enable tracepoints for Userspace, Statically Defined Tracing (default is yes if sys/sdt.h is found)])], [use_usdt=$enableval], [use_usdt=yes]) AC_ARG_WITH([miniupnpc], [AS_HELP_STRING([--with-miniupnpc], [enable UPNP (default is yes if libminiupnpc is found)])], [use_upnp=$withval], [use_upnp=auto]) AC_ARG_ENABLE([upnp-default], [AS_HELP_STRING([--enable-upnp-default], [if UPNP is enabled, turn it on at startup (default is no)])], [use_upnp_default=$enableval], [use_upnp_default=no]) AC_ARG_WITH([natpmp], [AS_HELP_STRING([--with-natpmp], [enable NAT-PMP (default is yes if libnatpmp is found)])], [use_natpmp=$withval], [use_natpmp=auto]) AC_ARG_ENABLE([natpmp-default], [AS_HELP_STRING([--enable-natpmp-default], [if NAT-PMP is enabled, turn it on at startup (default is no)])], [use_natpmp_default=$enableval], [use_natpmp_default=no]) AC_ARG_ENABLE(tests, AS_HELP_STRING([--disable-tests],[do not compile tests (default is to compile)]), [use_tests=$enableval], [use_tests=yes]) AC_ARG_ENABLE(gui-tests, AS_HELP_STRING([--disable-gui-tests],[do not compile GUI tests (default is to compile if GUI and tests enabled)]), [use_gui_tests=$enableval], [use_gui_tests=$use_tests]) AC_ARG_ENABLE(bench, AS_HELP_STRING([--disable-bench],[do not compile benchmarks (default is to compile)]), [use_bench=$enableval], [use_bench=yes]) AC_ARG_ENABLE([extended-functional-tests], AS_HELP_STRING([--enable-extended-functional-tests],[enable expensive functional tests when using lcov (default no)]), [use_extended_functional_tests=$enableval], [use_extended_functional_tests=no]) AC_ARG_ENABLE([fuzz], AS_HELP_STRING([--enable-fuzz], [build for fuzzing (default no). enabling this will disable all other targets and override --{enable,disable}-fuzz-binary]), [enable_fuzz=$enableval], [enable_fuzz=no]) AC_ARG_ENABLE([fuzz-binary], AS_HELP_STRING([--enable-fuzz-binary], [enable building of fuzz binary (default yes).]), [enable_fuzz_binary=$enableval], [enable_fuzz_binary=yes]) AC_ARG_WITH([qrencode], [AS_HELP_STRING([--with-qrencode], [enable QR code support (default is yes if qt is enabled and libqrencode is found)])], [use_qr=$withval], [use_qr=auto]) AC_ARG_ENABLE([hardening], [AS_HELP_STRING([--disable-hardening], [do not attempt to harden the resulting executables (default is to harden when possible)])], [use_hardening=$enableval], [use_hardening=auto]) AC_ARG_ENABLE([reduce-exports], [AS_HELP_STRING([--enable-reduce-exports], [attempt to reduce exported symbols in the resulting executables (default is no)])], [use_reduce_exports=$enableval], [use_reduce_exports=no]) AC_ARG_ENABLE([ccache], [AS_HELP_STRING([--disable-ccache], [do not use ccache for building (default is to use if found)])], [use_ccache=$enableval], [use_ccache=auto]) dnl Suppress warnings from external headers (e.g. Boost, Qt). dnl May be useful if warnings from external headers clutter the build output dnl too much, so that it becomes difficult to spot Bitcoin Core warnings dnl or if they cause a build failure with --enable-werror. AC_ARG_ENABLE([suppress-external-warnings], [AS_HELP_STRING([--enable-suppress-external-warnings], [Suppress warnings from external headers (default is no)])], [suppress_external_warnings=$enableval], [suppress_external_warnings=no]) AC_ARG_ENABLE([lcov], [AS_HELP_STRING([--enable-lcov], [enable lcov testing (default is no)])], [use_lcov=$enableval], [use_lcov=no]) AC_ARG_ENABLE([lcov-branch-coverage], [AS_HELP_STRING([--enable-lcov-branch-coverage], [enable lcov testing branch coverage (default is no)])], [use_lcov_branch=yes], [use_lcov_branch=no]) AC_ARG_ENABLE([threadlocal], [AS_HELP_STRING([--enable-threadlocal], [enable features that depend on the c++ thread_local keyword (currently just thread names in debug logs). (default is to enable if there is platform support)])], [use_thread_local=$enableval], [use_thread_local=auto]) AC_ARG_ENABLE([asm], [AS_HELP_STRING([--disable-asm], [disable assembly routines (enabled by default)])], [use_asm=$enableval], [use_asm=yes]) if test "$use_asm" = "yes"; then AC_DEFINE([USE_ASM], [1], [Define this symbol to build in assembly routines]) fi AC_ARG_ENABLE([zmq], [AS_HELP_STRING([--disable-zmq], [disable ZMQ notifications])], [use_zmq=$enableval], [use_zmq=yes]) AC_ARG_WITH([libmultiprocess], [AS_HELP_STRING([--with-libmultiprocess=yes|no|auto], [Build with libmultiprocess library. (default: auto, i.e. detect with pkg-config)])], [with_libmultiprocess=$withval], [with_libmultiprocess=auto]) AC_ARG_WITH([mpgen], [AS_HELP_STRING([--with-mpgen=yes|no|auto|PREFIX], [Build with libmultiprocess codegen tool. Useful to specify different libmultiprocess host system library and build system codegen tool prefixes when cross-compiling (default is host system libmultiprocess prefix)])], [with_mpgen=$withval], [with_mpgen=auto]) AC_ARG_ENABLE([multiprocess], [AS_HELP_STRING([--enable-multiprocess], [build multiprocess bitcoin-node, bitcoin-wallet, and bitcoin-gui executables in addition to monolithic bitcoind and bitcoin-qt executables. Requires libmultiprocess library. Experimental (default is no)])], [enable_multiprocess=$enableval], [enable_multiprocess=no]) AC_ARG_ENABLE(man, [AS_HELP_STRING([--disable-man], [do not install man pages (default is to install)])],, enable_man=yes) AM_CONDITIONAL([ENABLE_MAN], [test "$enable_man" != "no"]) dnl Enable debug AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [use compiler flags and macros suited for debugging (default is no)])], [enable_debug=$enableval], [enable_debug=no]) dnl Enable different -fsanitize options AC_ARG_WITH([sanitizers], [AS_HELP_STRING([--with-sanitizers], [comma separated list of extra sanitizers to build with (default is none enabled)])], [use_sanitizers=$withval]) dnl Enable gprof profiling AC_ARG_ENABLE([gprof], [AS_HELP_STRING([--enable-gprof], [use gprof profiling compiler flags (default is no)])], [enable_gprof=$enableval], [enable_gprof=no]) dnl Turn warnings into errors AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [Treat compiler warnings as errors (default is no)])], [enable_werror=$enableval], [enable_werror=no]) AC_ARG_ENABLE([external-signer], [AS_HELP_STRING([--enable-external-signer],[compile external signer support (default is yes, requires Boost::Process)])], [use_external_signer=$enableval], [use_external_signer=auto]) AC_ARG_ENABLE([lto], [AS_HELP_STRING([--enable-lto],[build using LTO (default is no)])], [enable_lto=$enableval], [enable_lto=no]) AC_LANG_PUSH([C++]) dnl Check for a flag to turn compiler warnings into errors. This is helpful for checks which may dnl appear to succeed because by default they merely emit warnings when they fail. dnl dnl Note that this is not necessarily a check to see if -Werror is supported, but rather to see if dnl a compile with -Werror can succeed. This is important because the compiler may already be dnl warning about something unrelated, for example about some path issue. If that is the case, dnl -Werror cannot be used because all of those warnings would be turned into errors. AX_CHECK_COMPILE_FLAG([-Werror], [CXXFLAG_WERROR="-Werror"], [CXXFLAG_WERROR=""]) dnl Check for a flag to turn linker warnings into errors. When flags are passed to linkers via the dnl compiler driver using a -Wl,-foo flag, linker warnings may be swallowed rather than bubbling up. dnl See note above, the same applies here as well. dnl dnl LDFLAG_WERROR Should only be used when testing -Wl,* case $host in *darwin*) AX_CHECK_LINK_FLAG([-Wl,-fatal_warnings], [LDFLAG_WERROR="-Wl,-fatal_warnings"], [LDFLAG_WERROR=""]) ;; *) AX_CHECK_LINK_FLAG([-Wl,--fatal-warnings], [LDFLAG_WERROR="-Wl,--fatal-warnings"], [LDFLAG_WERROR=""]) ;; esac if test "$enable_debug" = "yes"; then dnl Clear default -g -O2 flags if test "$CXXFLAGS_overridden" = "no"; then CXXFLAGS="" fi dnl Disable all optimizations AX_CHECK_COMPILE_FLAG([-O0], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -O0"], [], [$CXXFLAG_WERROR]) dnl Prefer -g3, fall back to -g if that is unavailable. AX_CHECK_COMPILE_FLAG( [-g3], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g3"], [AX_CHECK_COMPILE_FLAG([-g], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g"], [], [$CXXFLAG_WERROR])], [$CXXFLAG_WERROR]) AX_CHECK_PREPROC_FLAG([-DDEBUG], [DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG"], [], [$CXXFLAG_WERROR]) AX_CHECK_PREPROC_FLAG([-DDEBUG_LOCKORDER], [DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG_LOCKORDER"], [], [$CXXFLAG_WERROR]) AX_CHECK_PREPROC_FLAG([-DABORT_ON_FAILED_ASSUME], [DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DABORT_ON_FAILED_ASSUME"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-ftrapv], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -ftrapv"], [], [$CXXFLAG_WERROR]) fi if test "$enable_lto" = "yes"; then AX_CHECK_COMPILE_FLAG([-flto], [LTO_CXXFLAGS="$LTO_CXXFLAGS -flto"], [AC_MSG_ERROR([compile failed with -flto])], [$CXXFLAG_WERROR]) AX_CHECK_LINK_FLAG([-flto], [LTO_LDFLAGS="$LTO_LDFLAGS -flto"], [AC_MSG_ERROR([link failed with -flto])], [$CXXFLAG_WERROR]) fi if test "$use_sanitizers" != ""; then dnl First check if the compiler accepts flags. If an incompatible pair like dnl -fsanitize=address,thread is used here, this check will fail. This will also dnl fail if a bad argument is passed, e.g. -fsanitize=undfeined AX_CHECK_COMPILE_FLAG( [-fsanitize=$use_sanitizers], [SANITIZER_CXXFLAGS="-fsanitize=$use_sanitizers"], [AC_MSG_ERROR([compiler did not accept requested flags])]) dnl Some compilers (e.g. GCC) require additional libraries like libasan, dnl libtsan, libubsan, etc. Make sure linking still works with the sanitize dnl flag. This is a separate check so we can give a better error message when dnl the sanitize flags are supported by the compiler but the actual sanitizer dnl libs are missing. AX_CHECK_LINK_FLAG( [-fsanitize=$use_sanitizers], [SANITIZER_LDFLAGS="-fsanitize=$use_sanitizers"], [AC_MSG_ERROR([linker did not accept requested flags, you are missing required libraries])], [], [AC_LANG_PROGRAM([[ #include #include extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { return 0; } __attribute__((weak)) // allow for libFuzzer linking ]],[[]])]) fi ERROR_CXXFLAGS= if test "$enable_werror" = "yes"; then if test "$CXXFLAG_WERROR" = ""; then AC_MSG_ERROR([enable-werror set but -Werror is not usable]) fi ERROR_CXXFLAGS=$CXXFLAG_WERROR dnl -Wreturn-type is broken in GCC for MinGW-w64. dnl https://sourceforge.net/p/mingw-w64/bugs/306/ AX_CHECK_COMPILE_FLAG([-Werror=return-type], [], [ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Wno-error=return-type"], [$CXXFLAG_WERROR], [AC_LANG_SOURCE([[#include int f(){ assert(false); }]])]) fi if test "$CXXFLAGS_overridden" = "no"; then AX_CHECK_COMPILE_FLAG([-Wall], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wextra], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wextra"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wgnu], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wgnu"], [], [$CXXFLAG_WERROR]) dnl some compilers will ignore -Wformat-security without -Wformat, so just combine the two here. AX_CHECK_COMPILE_FLAG([-Wformat -Wformat-security], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat -Wformat-security"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wvla], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wvla"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wshadow-field], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wshadow-field"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wthread-safety], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wthread-safety"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wloop-analysis], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wrange-loop-analysis"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wredundant-decls], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wredundant-decls"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wunused-member-function], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wunused-member-function"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wdate-time], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wdate-time"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wconditional-uninitialized], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wconditional-uninitialized"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wduplicated-branches], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wduplicated-branches"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wduplicated-cond], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wduplicated-cond"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wlogical-op], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wlogical-op"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Woverloaded-virtual], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Woverloaded-virtual"], [], [$CXXFLAG_WERROR]) dnl -Wsuggest-override is broken with GCC before 9.2 dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78010 AX_CHECK_COMPILE_FLAG([-Wsuggest-override], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wsuggest-override"], [], [$CXXFLAG_WERROR], [AC_LANG_SOURCE([[struct A { virtual void f(); }; struct B : A { void f() final; };]])]) AX_CHECK_COMPILE_FLAG([-Wunreachable-code-loop-increment], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wunreachable-code-loop-increment"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wimplicit-fallthrough"], [], [$CXXFLAG_WERROR]) if test "$suppress_external_warnings" != "no" ; then AX_CHECK_COMPILE_FLAG([-Wdocumentation], [WARN_CXXFLAGS="$WARN_CXXFLAGS -Wdocumentation"], [], [$CXXFLAG_WERROR]) fi dnl Some compilers (gcc) ignore unknown -Wno-* options, but warn about all dnl unknown options if any other warning is produced. Test the -Wfoo case, and dnl set the -Wno-foo case if it works. AX_CHECK_COMPILE_FLAG([-Wunused-parameter], [NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-unused-parameter"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-Wself-assign], [NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-self-assign"], [], [$CXXFLAG_WERROR]) if test "$suppress_external_warnings" != "yes" ; then AX_CHECK_COMPILE_FLAG([-Wdeprecated-copy], [NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-deprecated-copy"], [], [$CXXFLAG_WERROR]) fi fi dnl Don't allow extended (non-ASCII) symbols in identifiers. This is easier for code review. AX_CHECK_COMPILE_FLAG([-fno-extended-identifiers], [CXXFLAGS="$CXXFLAGS -fno-extended-identifiers"], [], [$CXXFLAG_WERROR]) enable_sse42=no enable_sse41=no enable_avx2=no enable_x86_shani=no if test "$use_asm" = "yes"; then dnl Check for optional instruction set support. Enabling these does _not_ imply that all code will dnl be compiled with them, rather that specific objects/libs may use them after checking for runtime dnl compatibility. dnl x86 AX_CHECK_COMPILE_FLAG([-msse4.2], [SSE42_CXXFLAGS="-msse4.2"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-msse4.1], [SSE41_CXXFLAGS="-msse4.1"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-mavx -mavx2], [AVX2_CXXFLAGS="-mavx -mavx2"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-msse4 -msha], [X86_SHANI_CXXFLAGS="-msse4 -msha"], [], [$CXXFLAG_WERROR]) enable_clmul= AX_CHECK_COMPILE_FLAG([-mpclmul], [enable_clmul=yes], [], [$CXXFLAG_WERROR], [AC_LANG_PROGRAM([ #include #include ], [ __m128i a = _mm_cvtsi64_si128((uint64_t)7); __m128i b = _mm_clmulepi64_si128(a, a, 37); __m128i c = _mm_srli_epi64(b, 41); __m128i d = _mm_xor_si128(b, c); uint64_t e = _mm_cvtsi128_si64(d); return e == 0; ])]) if test "$enable_clmul" = "yes"; then CLMUL_CXXFLAGS="-mpclmul" AC_DEFINE([HAVE_CLMUL], [1], [Define this symbol if clmul instructions can be used]) fi TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $SSE42_CXXFLAGS" AC_MSG_CHECKING([for SSE4.2 intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #if defined(_MSC_VER) #include #elif defined(__GNUC__) && defined(__SSE4_2__) #include #endif ]],[[ uint64_t l = 0; l = _mm_crc32_u8(l, 0); l = _mm_crc32_u32(l, 0); l = _mm_crc32_u64(l, 0); return l; ]])], [ AC_MSG_RESULT([yes]); enable_sse42=yes], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $SSE41_CXXFLAGS" AC_MSG_CHECKING([for SSE4.1 intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ __m128i l = _mm_set1_epi32(0); return _mm_extract_epi32(l, 3); ]])], [ AC_MSG_RESULT([yes]); enable_sse41=yes; AC_DEFINE([ENABLE_SSE41], [1], [Define this symbol to build code that uses SSE4.1 intrinsics]) ], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $AVX2_CXXFLAGS" AC_MSG_CHECKING([for AVX2 intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ __m256i l = _mm256_set1_epi32(0); return _mm256_extract_epi32(l, 7); ]])], [ AC_MSG_RESULT([yes]); enable_avx2=yes; AC_DEFINE([ENABLE_AVX2], [1], [Define this symbol to build code that uses AVX2 intrinsics]) ], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $X86_SHANI_CXXFLAGS" AC_MSG_CHECKING([for x86 SHA-NI intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ __m128i i = _mm_set1_epi32(0); __m128i j = _mm_set1_epi32(1); __m128i k = _mm_set1_epi32(2); return _mm_extract_epi32(_mm_sha256rnds2_epu32(i, i, k), 0); ]])], [ AC_MSG_RESULT([yes]); enable_x86_shani=yes; AC_DEFINE([ENABLE_X86_SHANI], [1], [Define this symbol to build code that uses x86 SHA-NI intrinsics]) ], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" # ARM AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto], [ARM_CRC_CXXFLAGS="-march=armv8-a+crc+crypto"], [], [$CXXFLAG_WERROR]) AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto], [ARM_SHANI_CXXFLAGS="-march=armv8-a+crc+crypto"], [], [$CXXFLAG_WERROR]) TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $ARM_CRC_CXXFLAGS" AC_MSG_CHECKING([for ARMv8 CRC32 intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ #ifdef __aarch64__ __crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0); vmull_p64(0, 0); #else #error "crc32c library does not support hardware acceleration on 32-bit ARM" #endif ]])], [ AC_MSG_RESULT([yes]); enable_arm_crc=yes; ], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $ARM_SHANI_CXXFLAGS" AC_MSG_CHECKING([for ARMv8 SHA-NI intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ uint32x4_t a, b, c; vsha256h2q_u32(a, b, c); vsha256hq_u32(a, b, c); vsha256su0q_u32(a, b); vsha256su1q_u32(a, b, c); ]])], [ AC_MSG_RESULT([yes]); enable_arm_shani=yes; AC_DEFINE([ENABLE_ARM_SHANI], [1], [Define this symbol to build code that uses ARMv8 SHA-NI intrinsics]) ], [ AC_MSG_RESULT([no])] ) CXXFLAGS="$TEMP_CXXFLAGS" fi CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO" AC_ARG_WITH([utils], [AS_HELP_STRING([--with-utils], [build bitcoin-cli bitcoin-tx bitcoin-util bitcoin-wallet (default=yes)])], [build_bitcoin_utils=$withval], [build_bitcoin_utils=yes]) AC_ARG_ENABLE([util-cli], [AS_HELP_STRING([--enable-util-cli], [build bitcoin-cli])], [build_bitcoin_cli=$enableval], [build_bitcoin_cli=$build_bitcoin_utils]) AC_ARG_ENABLE([util-tx], [AS_HELP_STRING([--enable-util-tx], [build bitcoin-tx])], [build_bitcoin_tx=$enableval], [build_bitcoin_tx=$build_bitcoin_utils]) AC_ARG_ENABLE([util-wallet], [AS_HELP_STRING([--enable-util-wallet], [build bitcoin-wallet])], [build_bitcoin_wallet=$enableval], [build_bitcoin_wallet=$build_bitcoin_utils]) AC_ARG_ENABLE([util-util], [AS_HELP_STRING([--enable-util-util], [build bitcoin-util])], [build_bitcoin_util=$enableval], [build_bitcoin_util=$build_bitcoin_utils]) AC_ARG_WITH([libs], [AS_HELP_STRING([--with-libs], [build libraries (default=yes)])], [build_bitcoin_libs=$withval], [build_bitcoin_libs=yes]) AC_ARG_WITH([daemon], [AS_HELP_STRING([--with-daemon], [build bitcoind daemon (default=yes)])], [build_bitcoind=$withval], [build_bitcoind=yes]) case $host in *mingw*) TARGET_OS=windows AC_CHECK_LIB([kernel32], [GetModuleFileNameA], [], [AC_MSG_ERROR([libkernel32 missing])]) AC_CHECK_LIB([user32], [main], [], [AC_MSG_ERROR([libuser32 missing])]) AC_CHECK_LIB([gdi32], [main], [], [AC_MSG_ERROR([libgdi32 missing])]) AC_CHECK_LIB([comdlg32], [main], [], [AC_MSG_ERROR([libcomdlg32 missing])]) AC_CHECK_LIB([winmm], [main], [], [AC_MSG_ERROR([libwinmm missing])]) AC_CHECK_LIB([shell32], [SHGetSpecialFolderPathW], [], [AC_MSG_ERROR([libshell32 missing])]) AC_CHECK_LIB([comctl32], [main], [], [AC_MSG_ERROR([libcomctl32 missing])]) AC_CHECK_LIB([ole32], [CoCreateInstance], [], [AC_MSG_ERROR([libole32 missing])]) AC_CHECK_LIB([oleaut32], [main], [], [AC_MSG_ERROR([liboleaut32 missing])]) AC_CHECK_LIB([uuid], [main], [], [AC_MSG_ERROR([libuuid missing])]) AC_CHECK_LIB([advapi32], [CryptAcquireContextW], [], [AC_MSG_ERROR([libadvapi32 missing])]) AC_CHECK_LIB([ws2_32], [WSAStartup], [], [AC_MSG_ERROR([libws2_32 missing])]) AC_CHECK_LIB([shlwapi], [PathRemoveFileSpecW], [], [AC_MSG_ERROR([libshlwapi missing])]) AC_CHECK_LIB([iphlpapi], [GetAdaptersAddresses], [], [AC_MSG_ERROR([libiphlpapi missing])]) dnl -static is interpreted by libtool, where it has a different meaning. dnl In libtool-speak, it's -all-static. AX_CHECK_LINK_FLAG([-static], [LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -all-static"]) AC_PATH_PROG([MAKENSIS], [makensis], [none]) if test "$MAKENSIS" = "none"; then AC_MSG_WARN([makensis not found. Cannot create installer.]) fi AC_PATH_TOOL([WINDRES], [windres], [none]) if test "$WINDRES" = "none"; then AC_MSG_ERROR([windres not found]) fi CPPFLAGS="$CPPFLAGS -D_MT -DWIN32 -D_WINDOWS -D_WIN32_WINNT=0x0601 -D_WIN32_IE=0x0501 -DWIN32_LEAN_AND_MEAN" dnl libtool insists upon adding -nostdlib and a list of objects/libs to link against. dnl That breaks our ability to build dll's with static libgcc/libstdc++/libssp. Override dnl its command here, with the predeps/postdeps removed, and -static inserted. Postdeps are dnl also overridden to prevent their insertion later. dnl This should only affect dll's. archive_cmds_CXX="\$CC -shared \$libobjs \$deplibs \$compiler_flags -static -o \$output_objdir/\$soname \${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker \$lib" postdeps_CXX= dnl We require Windows 7 (NT 6.1) or later AX_CHECK_LINK_FLAG([-Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1], [LDFLAGS="$LDFLAGS -Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1"], [], [$LDFLAG_WERROR]) ;; *darwin*) TARGET_OS=darwin if test $cross_compiling != "yes"; then BUILD_OS=darwin AC_CHECK_PROG([BREW], [brew], [brew]) if test "$BREW" = "brew"; then dnl These Homebrew packages may be keg-only, meaning that they won't be found dnl in expected paths because they may conflict with system files. Ask dnl Homebrew where each one is located, then adjust paths accordingly. dnl It's safe to add these paths even if the functionality is disabled by dnl the user (--without-wallet or --without-gui for example). if test "$use_bdb" != "no" && $BREW list --versions berkeley-db@4 >/dev/null && test "$BDB_CFLAGS" = "" && test "$BDB_LIBS" = ""; then bdb_prefix=$($BREW --prefix berkeley-db@4 2>/dev/null) dnl This must precede the call to BITCOIN_FIND_BDB48 below. BDB_CFLAGS="-I$bdb_prefix/include" BDB_LIBS="-L$bdb_prefix/lib -ldb_cxx-4.8" fi if $BREW list --versions qt@5 >/dev/null; then export PKG_CONFIG_PATH="$($BREW --prefix qt@5 2>/dev/null)/lib/pkgconfig:$PKG_CONFIG_PATH" fi case $host in *aarch64*) dnl The preferred Homebrew prefix for Apple Silicon is /opt/homebrew. dnl Therefore, as we do not use pkg-config to detect miniupnpc and libnatpmp dnl packages, we should set the CPPFLAGS and LDFLAGS variables for them dnl explicitly. if test "$use_upnp" != "no" && $BREW list --versions miniupnpc >/dev/null; then miniupnpc_prefix=$($BREW --prefix miniupnpc 2>/dev/null) if test "$suppress_external_warnings" != "no"; then CPPFLAGS="$CPPFLAGS -isystem $miniupnpc_prefix/include" else CPPFLAGS="$CPPFLAGS -I$miniupnpc_prefix/include" fi LDFLAGS="$LDFLAGS -L$miniupnpc_prefix/lib" fi if test "$use_natpmp" != "no" && $BREW list --versions libnatpmp >/dev/null; then libnatpmp_prefix=$($BREW --prefix libnatpmp 2>/dev/null) if test "$suppress_external_warnings" != "no"; then CPPFLAGS="$CPPFLAGS -isystem $libnatpmp_prefix/include" else CPPFLAGS="$CPPFLAGS -I$libnatpmp_prefix/include" fi LDFLAGS="$LDFLAGS -L$libnatpmp_prefix/lib" fi ;; esac fi else case $build_os in *darwin*) BUILD_OS=darwin ;; *) AC_PATH_TOOL([DSYMUTIL], [dsymutil], [dsymutil]) AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], [install_name_tool]) AC_PATH_TOOL([OTOOL], [otool], [otool]) AC_PATH_PROGS([XORRISOFS], [xorrisofs], [xorrisofs]) AC_PATH_PROGS([DMG], [dmg], [dmg]) dnl libtool will try to strip the static lib, which is a problem for dnl cross-builds because strip attempts to call a hard-coded ld, dnl which may not exist in the path. Stripping the .a is not dnl necessary, so just disable it. old_striplib= ;; esac fi AX_CHECK_LINK_FLAG([-Wl,-headerpad_max_install_names], [LDFLAGS="$LDFLAGS -Wl,-headerpad_max_install_names"], [], [$LDFLAG_WERROR]) CPPFLAGS="$CPPFLAGS -DMAC_OSX -DOBJC_OLD_DISPATCH_PROTOTYPES=0" OBJCXXFLAGS="$CXXFLAGS" ;; *android*) dnl make sure android stays above linux for hosts like *linux-android* TARGET_OS=android case $host in *x86_64*) ANDROID_ARCH=x86_64 ;; *aarch64*) ANDROID_ARCH=arm64-v8a ;; *armv7a*) ANDROID_ARCH=armeabi-v7a ;; *) AC_MSG_ERROR([Could not determine Android arch, or it is unsupported]) ;; esac ;; *linux*) TARGET_OS=linux ;; esac if test "$use_extended_functional_tests" != "no"; then AC_SUBST(EXTENDED_FUNCTIONAL_TESTS, --extended) fi if test "$use_lcov" = "yes"; then if test "$LCOV" = ""; then AC_MSG_ERROR([lcov testing requested but lcov not found]) fi if test "$PYTHON" = ""; then AC_MSG_ERROR([lcov testing requested but python not found]) fi if test "$GENHTML" = ""; then AC_MSG_ERROR([lcov testing requested but genhtml not found]) fi AC_MSG_CHECKING([whether compiler is Clang]) AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ #if defined(__clang__) && defined(__llvm__) // Compiler is Clang #else # error Compiler is not Clang #endif ]])],[ AC_MSG_RESULT([yes]) if test "$LLVM_COV" = ""; then AC_MSG_ERROR([lcov testing requested but llvm-cov not found]) fi COV_TOOL="$LLVM_COV gcov" ],[ AC_MSG_RESULT([no]) if test "$GCOV" = "x"; then AC_MSG_ERROR([lcov testing requested but gcov not found]) fi COV_TOOL="$GCOV" ]) AC_SUBST(COV_TOOL) AC_SUBST(COV_TOOL_WRAPPER, "cov_tool_wrapper.sh") LCOV="$LCOV --gcov-tool $(pwd)/$COV_TOOL_WRAPPER" AX_CHECK_LINK_FLAG([--coverage], [LDFLAGS="$LDFLAGS --coverage"], [AC_MSG_ERROR([lcov testing requested but --coverage linker flag does not work])]) AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"], [AC_MSG_ERROR([lcov testing requested but --coverage flag does not work])]) CXXFLAGS="$CXXFLAGS -Og" fi if test "$use_lcov_branch" != "no"; then AC_SUBST(LCOV_OPTS, "$LCOV_OPTS --rc lcov_branch_coverage=1") fi dnl Check for endianness AC_C_BIGENDIAN dnl Check for pthread compile/link requirements AX_PTHREAD dnl The following macro will add the necessary defines to bitcoin-config.h, but dnl they also need to be passed down to any subprojects. Pull the results out of dnl the cache and add them to CPPFLAGS. AC_SYS_LARGEFILE dnl detect POSIX or GNU variant of strerror_r AC_FUNC_STRERROR_R if test "$ac_cv_sys_file_offset_bits" != "" && test "$ac_cv_sys_file_offset_bits" != "no" && test "$ac_cv_sys_file_offset_bits" != "unknown"; then CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits" fi if test "$ac_cv_sys_large_files" != "" && test "$ac_cv_sys_large_files" != "no" && test "$ac_cv_sys_large_files" != "unknown"; then CPPFLAGS="$CPPFLAGS -D_LARGE_FILES=$ac_cv_sys_large_files" fi AC_SEARCH_LIBS([clock_gettime],[rt]) if test "$enable_gprof" = "yes"; then dnl -pg is incompatible with -pie. Since hardening and profiling together doesn't make sense, dnl we simply make them mutually exclusive here. Additionally, hardened toolchains may force dnl -pie by default, in which case it needs to be turned off with -no-pie. if test "$use_hardening" = "yes"; then AC_MSG_ERROR([gprof profiling is not compatible with hardening. Reconfigure with --disable-hardening or --disable-gprof]) fi use_hardening=no AX_CHECK_COMPILE_FLAG([-pg],[GPROF_CXXFLAGS="-pg"], [AC_MSG_ERROR([gprof profiling requested but not available])], [$CXXFLAG_WERROR]) AX_CHECK_LINK_FLAG([-no-pie], [GPROF_LDFLAGS="-no-pie"]) AX_CHECK_LINK_FLAG([-pg], [GPROF_LDFLAGS="$GPROF_LDFLAGS -pg"], [AC_MSG_ERROR([gprof profiling requested but not available])], [$GPROF_LDFLAGS]) fi if test "$TARGET_OS" != "windows"; then dnl All windows code is PIC, forcing it on just adds useless compile warnings AX_CHECK_COMPILE_FLAG([-fPIC], [PIC_FLAGS="-fPIC"]) fi dnl All versions of gcc that we commonly use for building are subject to bug dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set dnl -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) AX_CHECK_COMPILE_FLAG([-fstack-reuse=none], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-reuse=none"]) if test "$use_hardening" != "no"; then use_hardening=yes AX_CHECK_COMPILE_FLAG([-Wstack-protector], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"]) AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"]) dnl -fcf-protection used with Clang 7 causes ld to emit warnings: dnl ld: error: ... dnl Use CHECK_LINK_FLAG & --fatal-warnings to ensure we won't use the flag in this case. AX_CHECK_LINK_FLAG([-fcf-protection=full], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fcf-protection=full"], [], [$LDFLAG_WERROR]) case $host in *mingw*) dnl stack-clash-protection doesn't currently work, and likely should just be skipped for Windows. dnl See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458 for more details. ;; *) AX_CHECK_COMPILE_FLAG([-fstack-clash-protection], [HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-clash-protection"], [], [$CXXFLAG_WERROR]) ;; esac dnl When enable_debug is yes, all optimizations are disabled. dnl However, FORTIFY_SOURCE requires that there is some level of optimization, otherwise it does nothing and just creates a compiler warning. dnl Since FORTIFY_SOURCE is a no-op without optimizations, do not enable it when enable_debug is yes. if test "$enable_debug" != "yes"; then AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[ AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[ HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -U_FORTIFY_SOURCE" ]) HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -D_FORTIFY_SOURCE=2" ]) fi AX_CHECK_LINK_FLAG([-Wl,--enable-reloc-section], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--enable-reloc-section"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,--high-entropy-va], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--high-entropy-va"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,-z,relro], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,relro"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,-z,now], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,-z,separate-code], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,separate-code"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-fPIE -pie], [PIE_FLAGS="-fPIE"; HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"], [], [$CXXFLAG_WERROR]) case $host in *mingw*) AC_CHECK_LIB([ssp], [main], [], [AC_MSG_ERROR([libssp missing])]) ;; esac fi dnl These flags are specific to ld64, and may cause issues with other linkers. dnl For example: GNU ld will interpret -dead_strip as -de and then try and use dnl "ad_strip" as the symbol for the entry point. if test "$TARGET_OS" = "darwin"; then AX_CHECK_LINK_FLAG([-Wl,-dead_strip], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,-dead_strip_dylibs], [LDFLAGS="$LDFLAGS -Wl,-dead_strip_dylibs"], [], [$LDFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,-bind_at_load], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-bind_at_load"], [], [$LDFLAG_WERROR]) fi AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h]) AC_CHECK_DECLS([getifaddrs, freeifaddrs],[CHECK_SOCKET],, [#include #include ] ) AC_CHECK_DECLS([strnlen]) dnl These are used for daemonization in bitcoind AC_CHECK_DECLS([fork]) AC_CHECK_DECLS([setsid]) AC_CHECK_DECLS([pipe2]) AC_CHECK_DECLS([le16toh, le32toh, le64toh, htole16, htole32, htole64, be16toh, be32toh, be64toh, htobe16, htobe32, htobe64],,, [#if HAVE_ENDIAN_H #include #elif HAVE_SYS_ENDIAN_H #include #endif]) AC_CHECK_DECLS([bswap_16, bswap_32, bswap_64],,, [#if HAVE_BYTESWAP_H #include #endif]) AC_MSG_CHECKING([for __builtin_clzl]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ (void) __builtin_clzl(0); ]])], [ AC_MSG_RESULT([yes]); have_clzl=yes; AC_DEFINE([HAVE_BUILTIN_CLZL], [1], [Define this symbol if you have __builtin_clzl])], [ AC_MSG_RESULT([no]); have_clzl=no;] ) AC_MSG_CHECKING([for __builtin_clzll]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ (void) __builtin_clzll(0); ]])], [ AC_MSG_RESULT([yes]); have_clzll=yes; AC_DEFINE([HAVE_BUILTIN_CLZLL], [1], [Define this symbol if you have __builtin_clzll])], [ AC_MSG_RESULT([no]); have_clzll=no;] ) dnl Check for malloc_info (for memory statistics information in getmemoryinfo) AC_MSG_CHECKING([for getmemoryinfo]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ int f = malloc_info(0, NULL); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_MALLOC_INFO], [1], [Define this symbol if you have malloc_info]) ], [ AC_MSG_RESULT([no])] ) dnl Check for mallopt(M_ARENA_MAX) (to set glibc arenas) AC_MSG_CHECKING([for mallopt M_ARENA_MAX]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ mallopt(M_ARENA_MAX, 1); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_MALLOPT_ARENA_MAX], [1], [Define this symbol if you have mallopt with M_ARENA_MAX]) ], [ AC_MSG_RESULT([no])] ) dnl Check for posix_fallocate AC_MSG_CHECKING([for posix_fallocate]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ // same as in src/util/system.cpp #ifdef __linux__ #ifdef _POSIX_C_SOURCE #undef _POSIX_C_SOURCE #endif #define _POSIX_C_SOURCE 200112L #endif // __linux__ #include ]], [[ int f = posix_fallocate(0, 0, 0); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_POSIX_FALLOCATE], [1], [Define this symbol if you have posix_fallocate]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for default visibility attribute]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([ int foo(void) __attribute__((visibility("default"))); int main(){} ])], [ AC_DEFINE([HAVE_DEFAULT_VISIBILITY_ATTRIBUTE], [1], [Define if the visibility attribute is supported.]) AC_MSG_RESULT([yes]) ], [ AC_MSG_RESULT([no]) if test "$use_reduce_exports" = "yes"; then AC_MSG_ERROR([Cannot find a working visibility attribute. Use --disable-reduce-exports.]) fi ] ) AC_MSG_CHECKING([for dllexport attribute]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([ __declspec(dllexport) int foo(void); int main(){} ])], [ AC_DEFINE([HAVE_DLLEXPORT_ATTRIBUTE], [1], [Define if the dllexport attribute is supported.]) AC_MSG_RESULT([yes]) ], [AC_MSG_RESULT([no])] ) if test "$use_thread_local" = "yes" || test "$use_thread_local" = "auto"; then TEMP_LDFLAGS="$LDFLAGS" LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" AC_MSG_CHECKING([for thread_local support]) AC_LINK_IFELSE([AC_LANG_SOURCE([ #include static thread_local int foo = 0; static void run_thread() { foo++;} int main(){ for(int i = 0; i < 10; i++) { std::thread(run_thread).detach();} return foo; } ])], [ case $host in *mingw*) dnl mingw32's implementation of thread_local has also been shown to behave dnl erroneously under concurrent usage; see: dnl https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605 AC_MSG_RESULT([no]) ;; *freebsd*) dnl FreeBSD's implementation of thread_local is also buggy (per dnl https://groups.google.com/d/msg/bsdmailinglist/22ncTZAbDp4/Dii_pII5AwAJ) AC_MSG_RESULT([no]) ;; *) AC_DEFINE([HAVE_THREAD_LOCAL], [1], [Define if thread_local is supported.]) AC_MSG_RESULT([yes]) ;; esac ], [ AC_MSG_RESULT([no]) ] ) LDFLAGS="$TEMP_LDFLAGS" fi dnl check for gmtime_r(), fallback to gmtime_s() if that is unavailable dnl fail if neither are available. AC_MSG_CHECKING([for gmtime_r]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ gmtime_r((const time_t *) nullptr, (struct tm *) nullptr); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_GMTIME_R], [1], [Define this symbol if gmtime_r is available]) ], [ AC_MSG_RESULT([no]); AC_MSG_CHECKING([for gmtime_s]); AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ gmtime_s((struct tm *) nullptr, (const time_t *) nullptr); ]])], [ AC_MSG_RESULT([yes])], [ AC_MSG_RESULT([no]); AC_MSG_ERROR([Both gmtime_r and gmtime_s are unavailable]) ] ) ] ) dnl Check for different ways of gathering OS randomness AC_MSG_CHECKING([for Linux getrandom syscall]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include ]], [[ syscall(SYS_getrandom, nullptr, 32, 0); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_SYS_GETRANDOM], [1], [Define this symbol if the Linux getrandom system call is available]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for getentropy via random.h]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[ getentropy(nullptr, 32) ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_GETENTROPY_RAND], [1], [Define this symbol if the BSD getentropy system call is available with sys/random.h]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for sysctl]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[ #ifdef __linux__ #error "Don't use sysctl on Linux, it's deprecated even when it works" #endif sysctl(nullptr, 2, nullptr, nullptr, nullptr, 0); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_SYSCTL], [1], [Define this symbol if the BSD sysctl() is available]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for sysctl KERN_ARND]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[ #ifdef __linux__ #error "Don't use sysctl on Linux, it's deprecated even when it works" #endif static int name[2] = {CTL_KERN, KERN_ARND}; sysctl(name, 2, nullptr, nullptr, nullptr, 0); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_SYSCTL_ARND], [1], [Define this symbol if the BSD sysctl(KERN_ARND) is available]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for if type char equals int8_t]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[ static_assert(std::is_same::value, ""); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([CHAR_EQUALS_INT8], [1], [Define this symbol if type char equals int8_t]) ], [ AC_MSG_RESULT([no])] ) AC_MSG_CHECKING([for fdatasync]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ fdatasync(0); ]])], [ AC_MSG_RESULT([yes]); HAVE_FDATASYNC=1 ], [ AC_MSG_RESULT([no]); HAVE_FDATASYNC=0 ] ) AC_DEFINE_UNQUOTED([HAVE_FDATASYNC], [$HAVE_FDATASYNC], [Define to 1 if fdatasync is available.]) AC_MSG_CHECKING([for F_FULLFSYNC]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ fcntl(0, F_FULLFSYNC, 0); ]])], [ AC_MSG_RESULT([yes]); HAVE_FULLFSYNC=1 ], [ AC_MSG_RESULT([no]); HAVE_FULLFSYNC=0 ] ) AC_MSG_CHECKING([for O_CLOEXEC]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ open("", O_CLOEXEC); ]])], [ AC_MSG_RESULT([yes]); HAVE_O_CLOEXEC=1 ], [ AC_MSG_RESULT([no]); HAVE_O_CLOEXEC=0 ] ) AC_DEFINE_UNQUOTED([HAVE_O_CLOEXEC], [$HAVE_O_CLOEXEC], [Define to 1 if O_CLOEXEC flag is available.]) dnl crc32c platform checks AC_MSG_CHECKING([for __builtin_prefetch]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ char data = 0; const char* address = &data; __builtin_prefetch(address, 0, 0); ]])], [ AC_MSG_RESULT([yes]); HAVE_BUILTIN_PREFETCH=1 ], [ AC_MSG_RESULT([no]); HAVE_BUILTIN_PREFETCH=0 ] ) AC_MSG_CHECKING([for _mm_prefetch]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ char data = 0; const char* address = &data; _mm_prefetch(address, _MM_HINT_NTA); ]])], [ AC_MSG_RESULT([yes]); HAVE_MM_PREFETCH=1 ], [ AC_MSG_RESULT([no]); HAVE_MM_PREFETCH=0 ] ) AC_MSG_CHECKING([for strong getauxval support in the system headers]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ getauxval(AT_HWCAP); ]])], [ AC_MSG_RESULT([yes]); HAVE_STRONG_GETAUXVAL=1; AC_DEFINE([HAVE_STRONG_GETAUXVAL], [1], [Define this symbol to build code that uses getauxval)]) ], [ AC_MSG_RESULT([no]); HAVE_STRONG_GETAUXVAL=0 ] ) have_any_system=no AC_MSG_CHECKING([for std::system]) AC_LINK_IFELSE( [ AC_LANG_PROGRAM( [[ #include ]], [[ int nErr = std::system(""); ]] )], [ AC_MSG_RESULT([yes]); have_any_system=yes], [ AC_MSG_RESULT([no]) ] ) AC_MSG_CHECKING([for ::_wsystem]) AC_LINK_IFELSE( [ AC_LANG_PROGRAM( [[ ]], [[ int nErr = ::_wsystem(""); ]] )], [ AC_MSG_RESULT([yes]); have_any_system=yes], [ AC_MSG_RESULT([no]) ] ) if test "$have_any_system" != "no"; then AC_DEFINE([HAVE_SYSTEM], [1], [Define to 1 if std::system or ::wsystem is available.]) fi dnl SUPPRESSED_CPPFLAGS=SUPPRESS_WARNINGS([$SOME_CPPFLAGS]) dnl Replace -I with -isystem in $SOME_CPPFLAGS to suppress warnings from dnl headers from its include directories and return the result. dnl See -isystem documentation: dnl https://gcc.gnu.org/onlinedocs/gcc/Directory-Options.html dnl https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-isystem-directory dnl Do not change "-I/usr/include" to "-isystem /usr/include" because that dnl is not necessary (/usr/include is already a system directory) and because dnl it would break GCC's #include_next. AC_DEFUN([SUPPRESS_WARNINGS], [$(echo $1 |${SED} -E -e 's/(^| )-I/\1-isystem /g' -e 's;-isystem /usr/include([/ ]|$);-I/usr/include\1;g')]) dnl enable-fuzz should disable all other targets if test "$enable_fuzz" = "yes"; then AC_MSG_WARN([enable-fuzz will disable all other targets and force --enable-fuzz-binary=yes]) build_bitcoin_utils=no build_bitcoin_cli=no build_bitcoin_tx=no build_bitcoin_util=no build_bitcoin_wallet=no build_bitcoind=no build_bitcoin_libs=no bitcoin_enable_qt=no bitcoin_enable_qt_test=no bitcoin_enable_qt_dbus=no use_bench=no use_external_signer=no use_upnp=no use_natpmp=no use_zmq=no enable_fuzz_binary=yes AX_CHECK_PREPROC_FLAG([-DABORT_ON_FAILED_ASSUME], [DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DABORT_ON_FAILED_ASSUME"], [], [$CXXFLAG_WERROR]) AC_MSG_CHECKING([whether main function is needed for fuzz binary]) AX_CHECK_LINK_FLAG( [-fsanitize=$use_sanitizers], [AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes]); CPPFLAGS="$CPPFLAGS -DPROVIDE_FUZZ_MAIN_FUNCTION"], [], [AC_LANG_PROGRAM([[ #include #include extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { return 0; } /* comment to remove the main function ... ]],[[ */ int not_main() { ]])]) else BITCOIN_QT_INIT dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus BITCOIN_QT_CONFIGURE([5.9.5]) dnl Keep a copy of the original $QT_INCLUDES and use it when invoking qt's moc QT_INCLUDES_UNSUPPRESSED=$QT_INCLUDES if test "$suppress_external_warnings" != "no" ; then QT_INCLUDES=SUPPRESS_WARNINGS($QT_INCLUDES) QT_DBUS_INCLUDES=SUPPRESS_WARNINGS($QT_DBUS_INCLUDES) QT_TEST_INCLUDES=SUPPRESS_WARNINGS($QT_TEST_INCLUDES) fi CPPFLAGS="$CPPFLAGS -DPROVIDE_FUZZ_MAIN_FUNCTION" fi if test "$enable_wallet" != "no"; then dnl Check for libdb_cxx only if wallet enabled if test "$use_bdb" != "no"; then BITCOIN_FIND_BDB48 if test "$suppress_external_warnings" != "no" ; then BDB_CPPFLAGS=SUPPRESS_WARNINGS($BDB_CPPFLAGS) fi fi dnl Check for sqlite3 if test "$use_sqlite" != "no"; then PKG_CHECK_MODULES([SQLITE], [sqlite3 >= 3.7.17], [have_sqlite=yes], [have_sqlite=no]) fi AC_MSG_CHECKING([whether to build wallet with support for sqlite]) if test "$use_sqlite" = "no"; then use_sqlite=no elif test "$have_sqlite" = "no"; then if test "$use_sqlite" = "yes"; then AC_MSG_ERROR([sqlite support requested but cannot be built. Use --without-sqlite]) fi use_sqlite=no else if test "$use_sqlite" != "no"; then AC_DEFINE([USE_SQLITE],[1],[Define if sqlite support should be compiled in]) use_sqlite=yes fi fi AC_MSG_RESULT([$use_sqlite]) dnl Disable wallet if both --without-bdb and --without-sqlite if test "$use_bdb$use_sqlite" = "nono"; then if test "$enable_wallet" = "yes"; then AC_MSG_ERROR([wallet functionality requested but no BDB or SQLite support available.]) fi enable_wallet=no fi fi if test "$use_usdt" != "no"; then AC_MSG_CHECKING([whether Userspace, Statically Defined Tracing tracepoints are supported]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [#include ], [DTRACE_PROBE("context", "event");] )], [AC_MSG_RESULT([yes]); AC_DEFINE([ENABLE_TRACING], [1], [Define to 1 to enable tracepoints for Userspace, Statically Defined Tracing])], [AC_MSG_RESULT([no]); use_usdt=no;] ) fi if test "$build_bitcoin_cli$build_bitcoin_tx$build_bitcoin_util$build_bitcoind$bitcoin_enable_qt$use_bench$use_tests" = "nonononononono"; then use_upnp=no use_natpmp=no use_zmq=no fi dnl Check for libminiupnpc (optional) if test "$use_upnp" != "no"; then AC_CHECK_HEADERS( [miniupnpc/miniupnpc.h miniupnpc/upnpcommands.h miniupnpc/upnperrors.h], [AC_CHECK_LIB([miniupnpc], [upnpDiscover], [MINIUPNPC_LIBS=-lminiupnpc], [have_miniupnpc=no])], [have_miniupnpc=no] ) dnl The minimum supported miniUPnPc API version is set to 10. This keeps compatibility dnl with Ubuntu 16.04 LTS and Debian 8 libminiupnpc-dev packages. if test "$have_miniupnpc" != "no"; then AC_MSG_CHECKING([whether miniUPnPc API version is supported]) AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ @%:@include ]], [[ #if MINIUPNPC_API_VERSION >= 10 // Everything is okay #else # error miniUPnPc API version is too old #endif ]])],[ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) AC_MSG_WARN([miniUPnPc API version < 10 is unsupported, disabling UPnP support.]) have_miniupnpc=no ]) fi fi dnl Check for libnatpmp (optional). if test "$use_natpmp" != "no"; then AC_CHECK_HEADERS([natpmp.h], [AC_CHECK_LIB([natpmp], [initnatpmp], [NATPMP_LIBS=-lnatpmp], [have_natpmp=no])], [have_natpmp=no]) fi if test "$build_bitcoin_wallet$build_bitcoin_cli$build_bitcoin_tx$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench" = "nonononononono"; then use_boost=no else use_boost=yes fi if test "$use_boost" = "yes"; then dnl Check for Boost headers AX_BOOST_BASE([1.64.0],[],[AC_MSG_ERROR([Boost is not available!])]) if test "$want_boost" = "no"; then AC_MSG_ERROR([only libbitcoinconsensus can be built without Boost]) fi if test "$suppress_external_warnings" != "no"; then BOOST_CPPFLAGS=SUPPRESS_WARNINGS($BOOST_CPPFLAGS) fi fi if test "$use_external_signer" != "no"; then case $host in *mingw*) dnl Boost Process uses Boost Filesystem when targeting Windows. Also, dnl since Boost 1.71.0, Process does not work with mingw-w64 without dnl workarounds. See 67669ab425b52a2b6be3d2f3b3b7e3939b676a2c. if test "$use_external_signer" = "yes"; then AC_MSG_ERROR([External signing is not supported on Windows]) fi use_external_signer="no"; ;; *) AC_MSG_CHECKING([whether Boost.Process can be used]) TEMP_CXXFLAGS="$CXXFLAGS" dnl Boost 1.78 requires the following workaround. dnl See: https://github.com/boostorg/process/issues/235 CXXFLAGS="$CXXFLAGS -Wno-error=narrowing" TEMP_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" TEMP_LDFLAGS="$LDFLAGS" dnl Boost 1.73 and older require the following workaround. LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS" AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]])], [have_boost_process="yes"], [have_boost_process="no"]) LDFLAGS="$TEMP_LDFLAGS" CPPFLAGS="$TEMP_CPPFLAGS" CXXFLAGS="$TEMP_CXXFLAGS" AC_MSG_RESULT([$have_boost_process]) if test "$have_boost_process" = "yes"; then use_external_signer="yes" AC_DEFINE([ENABLE_EXTERNAL_SIGNER], [1], [Define if external signer support is enabled]) else if test "$use_external_signer" = "yes"; then AC_MSG_ERROR([External signing is not supported for this Boost version]) fi use_external_signer="no"; fi ;; esac fi AM_CONDITIONAL([ENABLE_EXTERNAL_SIGNER], [test "$use_external_signer" = "yes"]) dnl Do not compile with syscall sandbox support when compiling under the sanitizers. dnl The sanitizers introduce use of syscalls that are not typically used in bitcoind dnl (such as execve when the sanitizers execute llvm-symbolizer). if test "$use_sanitizers" != ""; then AC_MSG_WARN([Specifying --with-sanitizers forces --without-seccomp since the sanitizers introduce use of syscalls not allowed by the bitcoind syscall sandbox (-sandbox=).]) seccomp_found=no fi if test "$seccomp_found" != "no"; then AC_MSG_CHECKING([for seccomp-bpf (Linux x86-64)]) AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ @%:@include ]], [[ #if !defined(__x86_64__) # error Syscall sandbox is an experimental feature currently available only under Linux x86-64. #endif ]])],[ AC_MSG_RESULT([yes]) seccomp_found="yes" AC_DEFINE([USE_SYSCALL_SANDBOX], [1], [Define this symbol to build with syscall sandbox support.]) ],[ AC_MSG_RESULT([no]) seccomp_found="no" ]) fi dnl Currently only enable -sandbox= feature if seccomp is found. dnl In the future, sandboxing could be also be supported with other dnl sandboxing mechanisms besides seccomp. use_syscall_sandbox=$seccomp_found AM_CONDITIONAL([ENABLE_SYSCALL_SANDBOX], [test "$use_syscall_sandbox" != "no"]) dnl Check for reduced exports if test "$use_reduce_exports" = "yes"; then AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [CXXFLAGS="$CXXFLAGS -fvisibility=hidden"], [AC_MSG_ERROR([Cannot set hidden symbol visibility. Use --disable-reduce-exports.])], [$CXXFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,--exclude-libs,ALL], [RELDFLAGS="-Wl,--exclude-libs,ALL"], [], [$LDFLAG_WERROR]) fi if test "$use_tests" = "yes"; then if test "$HEXDUMP" = ""; then AC_MSG_ERROR([hexdump is required for tests]) fi fi dnl libevent check if test "$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench" != "nonononono"; then PKG_CHECK_MODULES([EVENT], [libevent >= 2.0.21], [use_libevent=yes], [AC_MSG_ERROR([libevent version 2.0.21 or greater not found.])]) if test "$TARGET_OS" != "windows"; then PKG_CHECK_MODULES([EVENT_PTHREADS], [libevent_pthreads >= 2.0.21],, [AC_MSG_ERROR([libevent_pthreads version 2.0.21 or greater not found.])]) fi if test "$suppress_external_warnings" != "no"; then EVENT_CFLAGS=SUPPRESS_WARNINGS($EVENT_CFLAGS) fi fi if test x$use_libevent = xyes; then TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $EVENT_CFLAGS" AC_MSG_CHECKING([if evhttp_connection_get_peer expects const char**]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ evhttp_connection *conn = (evhttp_connection *)1; const char *host; uint16_t port; evhttp_connection_get_peer(conn, &host, &port); ]])], [ AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR], [1], [Define this symbol if evhttp_connection_get_peer expects const char**]) ], [ AC_MSG_RESULT([no]) ] ) CXXFLAGS="$TEMP_CXXFLAGS" fi dnl QR Code encoding library check if test "$use_qr" != "no"; then BITCOIN_QT_CHECK([PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])]) fi dnl ZMQ check if test "$use_zmq" = "yes"; then PKG_CHECK_MODULES([ZMQ], [libzmq >= 4], AC_DEFINE([ENABLE_ZMQ], [1], [Define to 1 to enable ZMQ functions]), [AC_DEFINE([ENABLE_ZMQ], [0], [Define to 1 to enable ZMQ functions]) AC_MSG_WARN([libzmq version 4.x or greater not found, disabling]) use_zmq=no]) else AC_DEFINE_UNQUOTED([ENABLE_ZMQ], [0], [Define to 1 to enable ZMQ functions]) fi if test "$use_zmq" = "yes"; then dnl Assume libzmq was built for static linking case $host in *mingw*) ZMQ_CFLAGS="$ZMQ_CFLAGS -DZMQ_STATIC" ;; esac fi dnl libmultiprocess library check libmultiprocess_found=no if test "$with_libmultiprocess" = "yes" || test "$with_libmultiprocess" = "auto"; then PKG_CHECK_MODULES([LIBMULTIPROCESS], [libmultiprocess], [ libmultiprocess_found=yes; libmultiprocess_prefix=`$PKG_CONFIG --variable=prefix libmultiprocess`; ], [true]) elif test "$with_libmultiprocess" != "no"; then AC_MSG_ERROR([--with-libmultiprocess=$with_libmultiprocess value is not yes, auto, or no]) fi dnl Enable multiprocess check if test "$enable_multiprocess" = "yes"; then if test "$libmultiprocess_found" != "yes"; then AC_MSG_ERROR([--enable-multiprocess=yes option specified but libmultiprocess library was not found. May need to install libmultiprocess library, or specify install path with PKG_CONFIG_PATH environment variable. Running 'pkg-config --debug libmultiprocess' may be helpful for debugging.]) fi build_multiprocess=yes elif test "$enable_multiprocess" = "auto"; then build_multiprocess=$libmultiprocess_found else build_multiprocess=no fi AM_CONDITIONAL([BUILD_MULTIPROCESS], [test "$build_multiprocess" = "yes"]) AM_CONDITIONAL([BUILD_BITCOIN_NODE], [test "$build_multiprocess" = "yes"]) AM_CONDITIONAL([BUILD_BITCOIN_GUI], [test "$build_multiprocess" = "yes"]) dnl codegen tools check if test "$build_multiprocess" != "no"; then if test "$with_mpgen" = "yes" || test "$with_mpgen" = "auto"; then MPGEN_PREFIX="$libmultiprocess_prefix" elif test "$with_mpgen" != "no"; then MPGEN_PREFIX="$with_mpgen"; fi AC_SUBST(MPGEN_PREFIX) fi AC_MSG_CHECKING([whether to build bitcoind]) AM_CONDITIONAL([BUILD_BITCOIND], [test $build_bitcoind = "yes"]) AC_MSG_RESULT($build_bitcoind) AC_MSG_CHECKING([whether to build bitcoin-cli]) AM_CONDITIONAL([BUILD_BITCOIN_CLI], [test $build_bitcoin_cli = "yes"]) AC_MSG_RESULT($build_bitcoin_cli) AC_MSG_CHECKING([whether to build bitcoin-tx]) AM_CONDITIONAL([BUILD_BITCOIN_TX], [test $build_bitcoin_tx = "yes"]) AC_MSG_RESULT($build_bitcoin_tx) AC_MSG_CHECKING([whether to build bitcoin-wallet]) AM_CONDITIONAL([BUILD_BITCOIN_WALLET], [test $build_bitcoin_wallet = "yes"]) AC_MSG_RESULT($build_bitcoin_wallet) AC_MSG_CHECKING([whether to build bitcoin-util]) AM_CONDITIONAL([BUILD_BITCOIN_UTIL], [test $build_bitcoin_util = "yes"]) AC_MSG_RESULT($build_bitcoin_util) AC_MSG_CHECKING([whether to build libraries]) AM_CONDITIONAL([BUILD_BITCOIN_LIBS], [test $build_bitcoin_libs = "yes"]) if test "$build_bitcoin_libs" = "yes"; then AC_DEFINE([HAVE_CONSENSUS_LIB], [1], [Define this symbol if the consensus lib has been built]) AC_CONFIG_FILES([libbitcoinconsensus.pc:libbitcoinconsensus.pc.in]) fi AC_MSG_RESULT($build_bitcoin_libs) AC_LANG_POP if test "$use_ccache" != "no"; then AC_MSG_CHECKING([if ccache should be used]) if test "$CCACHE" = ""; then if test "$use_ccache" = "yes"; then AC_MSG_ERROR([ccache not found.]); else use_ccache=no fi else use_ccache=yes CC="$ac_cv_path_CCACHE $CC" CXX="$ac_cv_path_CCACHE $CXX" fi AC_MSG_RESULT($use_ccache) if test "$use_ccache" = "yes"; then AX_CHECK_COMPILE_FLAG([-fdebug-prefix-map=A=B], [DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -fdebug-prefix-map=\$(abs_top_srcdir)=."], [], [$CXXFLAG_WERROR]) AX_CHECK_PREPROC_FLAG([-fmacro-prefix-map=A=B], [DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -fmacro-prefix-map=\$(abs_top_srcdir)=."], [], [$CXXFLAG_WERROR]) fi fi dnl enable wallet AC_MSG_CHECKING([if wallet should be enabled]) if test "$enable_wallet" != "no"; then AC_MSG_RESULT([yes]) AC_DEFINE_UNQUOTED([ENABLE_WALLET],[1],[Define to 1 to enable wallet functions]) enable_wallet=yes else AC_MSG_RESULT([no]) fi dnl enable upnp support AC_MSG_CHECKING([whether to build with support for UPnP]) if test "$have_miniupnpc" = "no"; then if test "$use_upnp" = "yes"; then AC_MSG_ERROR([UPnP requested but cannot be built. Use --without-miniupnpc]) fi AC_MSG_RESULT([no]) use_upnp=no else if test "$use_upnp" != "no"; then AC_MSG_RESULT([yes]) AC_MSG_CHECKING([whether to build with UPnP enabled by default]) use_upnp=yes upnp_setting=0 if test "$use_upnp_default" != "no"; then use_upnp_default=yes upnp_setting=1 fi AC_MSG_RESULT([$use_upnp_default]) AC_DEFINE_UNQUOTED([USE_UPNP],[$upnp_setting],[UPnP support not compiled if undefined, otherwise value (0 or 1) determines default state]) if test "$TARGET_OS" = "windows"; then MINIUPNPC_CPPFLAGS="-DSTATICLIB -DMINIUPNP_STATICLIB" fi else AC_MSG_RESULT([no]) fi fi dnl Enable NAT-PMP support. AC_MSG_CHECKING([whether to build with support for NAT-PMP]) if test "$have_natpmp" = "no"; then if test "$use_natpmp" = "yes"; then AC_MSG_ERROR([NAT-PMP requested but cannot be built. Use --without-natpmp]) fi AC_MSG_RESULT([no]) use_natpmp=no else if test "$use_natpmp" != "no"; then AC_MSG_RESULT([yes]) AC_MSG_CHECKING([whether to build with NAT-PMP enabled by default]) use_natpmp=yes natpmp_setting=0 if test "$use_natpmp_default" != "no"; then use_natpmp_default=yes natpmp_setting=1 fi AC_MSG_RESULT($use_natpmp_default) AC_DEFINE_UNQUOTED([USE_NATPMP], [$natpmp_setting], [NAT-PMP support not compiled if undefined, otherwise value (0 or 1) determines default state]) if test "$TARGET_OS" = "windows"; then NATPMP_CPPFLAGS="-DSTATICLIB -DNATPMP_STATICLIB" fi else AC_MSG_RESULT([no]) fi fi dnl these are only used when qt is enabled BUILD_TEST_QT="" if test "$bitcoin_enable_qt" != "no"; then dnl enable dbus support AC_MSG_CHECKING([whether to build GUI with support for D-Bus]) if test "$bitcoin_enable_qt_dbus" != "no"; then AC_DEFINE([USE_DBUS], [1], [Define if dbus support should be compiled in]) fi AC_MSG_RESULT([$bitcoin_enable_qt_dbus]) dnl enable qr support AC_MSG_CHECKING([whether to build GUI with support for QR codes]) if test "$have_qrencode" = "no"; then if test "$use_qr" = "yes"; then AC_MSG_ERROR([QR support requested but cannot be built. Use --without-qrencode]) fi use_qr=no else if test "$use_qr" != "no"; then AC_DEFINE([USE_QRCODE], [1], [Define if QR support should be compiled in]) use_qr=yes fi fi AC_MSG_RESULT([$use_qr]) if test "$XGETTEXT" = ""; then AC_MSG_WARN([xgettext is required to update qt translations]) fi AC_MSG_CHECKING([whether to build test_bitcoin-qt]) if test "$use_gui_tests$bitcoin_enable_qt_test" = "yesyes"; then AC_MSG_RESULT([yes]) BUILD_TEST_QT="yes" else AC_MSG_RESULT([no]) fi fi AM_CONDITIONAL([ENABLE_ZMQ], [test "$use_zmq" = "yes"]) AC_MSG_CHECKING([whether to build test_bitcoin]) if test "$use_tests" = "yes"; then if test "$enable_fuzz" = "yes"; then AC_MSG_RESULT([no, because fuzzing is enabled]) else AC_MSG_RESULT([yes]) fi BUILD_TEST="yes" else AC_MSG_RESULT([no]) BUILD_TEST="" fi AC_MSG_CHECKING([whether to reduce exports]) if test "$use_reduce_exports" = "yes"; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi if test "$build_bitcoin_wallet$build_bitcoin_cli$build_bitcoin_tx$build_bitcoin_libs$build_bitcoind$bitcoin_enable_qt$use_bench$use_tests" = "nononononononono"; then AC_MSG_ERROR([No targets! Please specify at least one of: --with-utils --with-libs --with-daemon --with-gui --enable-bench or --enable-tests]) fi if test "$enable_fuzz_binary" = "yes"; then CHECK_RUNTIME_LIB fi AM_CONDITIONAL([TARGET_DARWIN], [test "$TARGET_OS" = "darwin"]) AM_CONDITIONAL([BUILD_DARWIN], [test "$BUILD_OS" = "darwin"]) AM_CONDITIONAL([TARGET_LINUX], [test "$TARGET_OS" = "linux"]) AM_CONDITIONAL([TARGET_WINDOWS], [test "$TARGET_OS" = "windows"]) AM_CONDITIONAL([ENABLE_WALLET], [test "$enable_wallet" = "yes"]) AM_CONDITIONAL([USE_SQLITE], [test "$use_sqlite" = "yes"]) AM_CONDITIONAL([USE_BDB], [test "$use_bdb" = "yes"]) AM_CONDITIONAL([ENABLE_TESTS], [test "$BUILD_TEST" = "yes"]) AM_CONDITIONAL([ENABLE_FUZZ], [test "$enable_fuzz" = "yes"]) AM_CONDITIONAL([ENABLE_FUZZ_BINARY], [test "$enable_fuzz_binary" = "yes"]) AM_CONDITIONAL([ENABLE_QT], [test "$bitcoin_enable_qt" = "yes"]) AM_CONDITIONAL([ENABLE_QT_TESTS], [test "$BUILD_TEST_QT" = "yes"]) AM_CONDITIONAL([ENABLE_BENCH], [test "$use_bench" = "yes"]) AM_CONDITIONAL([USE_QRCODE], [test "$use_qr" = "yes"]) AM_CONDITIONAL([USE_LCOV], [test "$use_lcov" = "yes"]) AM_CONDITIONAL([USE_LIBEVENT], [test "$use_libevent" = "yes"]) AM_CONDITIONAL([HARDEN], [test "$use_hardening" = "yes"]) AM_CONDITIONAL([ENABLE_SSE42], [test "$enable_sse42" = "yes"]) AM_CONDITIONAL([ENABLE_SSE41], [test "$enable_sse41" = "yes"]) AM_CONDITIONAL([ENABLE_AVX2], [test "$enable_avx2" = "yes"]) AM_CONDITIONAL([ENABLE_X86_SHANI], [test "$enable_x86_shani" = "yes"]) AM_CONDITIONAL([ENABLE_ARM_CRC], [test "$enable_arm_crc" = "yes"]) AM_CONDITIONAL([ENABLE_ARM_SHANI], [test "$enable_arm_shani" = "yes"]) AM_CONDITIONAL([USE_ASM], [test "$use_asm" = "yes"]) AM_CONDITIONAL([WORDS_BIGENDIAN], [test "$ac_cv_c_bigendian" = "yes"]) AM_CONDITIONAL([USE_NATPMP], [test "$use_natpmp" = "yes"]) AM_CONDITIONAL([USE_UPNP], [test "$use_upnp" = "yes"]) dnl for minisketch AM_CONDITIONAL([ENABLE_CLMUL], [test "$enable_clmul" = "yes"]) AM_CONDITIONAL([HAVE_CLZ], [test "$have_clzl$have_clzll" = "yesyes"]) AC_DEFINE([CLIENT_VERSION_MAJOR], [_CLIENT_VERSION_MAJOR], [Major version]) AC_DEFINE([CLIENT_VERSION_MINOR], [_CLIENT_VERSION_MINOR], [Minor version]) AC_DEFINE([CLIENT_VERSION_BUILD], [_CLIENT_VERSION_BUILD], [Version Build]) AC_DEFINE([CLIENT_VERSION_IS_RELEASE], [_CLIENT_VERSION_IS_RELEASE], [Version is release]) AC_DEFINE([COPYRIGHT_YEAR], [_COPYRIGHT_YEAR], [Copyright year]) AC_DEFINE([COPYRIGHT_HOLDERS], ["_COPYRIGHT_HOLDERS"], [Copyright holder(s) before %s replacement]) AC_DEFINE([COPYRIGHT_HOLDERS_SUBSTITUTION], ["_COPYRIGHT_HOLDERS_SUBSTITUTION"], [Replacement for %s in copyright holders string]) define(_COPYRIGHT_HOLDERS_FINAL, [patsubst(_COPYRIGHT_HOLDERS, [%s], [_COPYRIGHT_HOLDERS_SUBSTITUTION])]) AC_DEFINE([COPYRIGHT_HOLDERS_FINAL], ["_COPYRIGHT_HOLDERS_FINAL"], [Copyright holder(s)]) AC_SUBST(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR) AC_SUBST(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR) AC_SUBST(CLIENT_VERSION_BUILD, _CLIENT_VERSION_BUILD) AC_SUBST(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE) AC_SUBST(COPYRIGHT_YEAR, _COPYRIGHT_YEAR) AC_SUBST(COPYRIGHT_HOLDERS, "_COPYRIGHT_HOLDERS") AC_SUBST(COPYRIGHT_HOLDERS_SUBSTITUTION, "_COPYRIGHT_HOLDERS_SUBSTITUTION") AC_SUBST(COPYRIGHT_HOLDERS_FINAL, "_COPYRIGHT_HOLDERS_FINAL") AC_SUBST(BITCOIN_DAEMON_NAME) AC_SUBST(BITCOIN_GUI_NAME) AC_SUBST(BITCOIN_CLI_NAME) AC_SUBST(BITCOIN_TX_NAME) AC_SUBST(BITCOIN_UTIL_NAME) AC_SUBST(BITCOIN_WALLET_TOOL_NAME) AC_SUBST(BITCOIN_MP_NODE_NAME) AC_SUBST(BITCOIN_MP_GUI_NAME) AC_SUBST(RELDFLAGS) AC_SUBST(DEBUG_CPPFLAGS) AC_SUBST(WARN_CXXFLAGS) AC_SUBST(NOWARN_CXXFLAGS) AC_SUBST(DEBUG_CXXFLAGS) AC_SUBST(ERROR_CXXFLAGS) AC_SUBST(GPROF_CXXFLAGS) AC_SUBST(GPROF_LDFLAGS) AC_SUBST(HARDENED_CXXFLAGS) AC_SUBST(HARDENED_CPPFLAGS) AC_SUBST(HARDENED_LDFLAGS) AC_SUBST(LTO_CXXFLAGS) AC_SUBST(LTO_LDFLAGS) AC_SUBST(PIC_FLAGS) AC_SUBST(PIE_FLAGS) AC_SUBST(SANITIZER_CXXFLAGS) AC_SUBST(SANITIZER_LDFLAGS) AC_SUBST(SSE42_CXXFLAGS) AC_SUBST(SSE41_CXXFLAGS) AC_SUBST(CLMUL_CXXFLAGS) AC_SUBST(AVX2_CXXFLAGS) AC_SUBST(X86_SHANI_CXXFLAGS) AC_SUBST(ARM_CRC_CXXFLAGS) AC_SUBST(ARM_SHANI_CXXFLAGS) AC_SUBST(LIBTOOL_APP_LDFLAGS) AC_SUBST(USE_SQLITE) AC_SUBST(USE_BDB) AC_SUBST(ENABLE_EXTERNAL_SIGNER) AC_SUBST(USE_UPNP) AC_SUBST(USE_QRCODE) AC_SUBST(TESTDEFS) AC_SUBST(MINIUPNPC_CPPFLAGS) AC_SUBST(MINIUPNPC_LIBS) AC_SUBST(NATPMP_CPPFLAGS) AC_SUBST(NATPMP_LIBS) AC_SUBST(HAVE_GMTIME_R) AC_SUBST(HAVE_FDATASYNC) AC_SUBST(HAVE_FULLFSYNC) AC_SUBST(HAVE_O_CLOEXEC) AC_SUBST(HAVE_BUILTIN_PREFETCH) AC_SUBST(HAVE_MM_PREFETCH) AC_SUBST(HAVE_STRONG_GETAUXVAL) AC_SUBST(ANDROID_ARCH) AC_SUBST(HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR) AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi share/qt/Info.plist test/config.ini]) AC_CONFIG_FILES([contrib/devtools/split-debug.sh],[chmod +x contrib/devtools/split-debug.sh]) AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([doc/Doxyfile])]) AC_CONFIG_LINKS([contrib/devtools/security-check.py:contrib/devtools/security-check.py]) AC_CONFIG_LINKS([contrib/devtools/symbol-check.py:contrib/devtools/symbol-check.py]) AC_CONFIG_LINKS([contrib/devtools/test-security-check.py:contrib/devtools/test-security-check.py]) AC_CONFIG_LINKS([contrib/devtools/test-symbol-check.py:contrib/devtools/test-symbol-check.py]) AC_CONFIG_LINKS([contrib/filter-lcov.py:contrib/filter-lcov.py]) AC_CONFIG_LINKS([contrib/macdeploy/background.tiff:contrib/macdeploy/background.tiff]) AC_CONFIG_LINKS([test/functional/test_runner.py:test/functional/test_runner.py]) AC_CONFIG_LINKS([test/fuzz/test_runner.py:test/fuzz/test_runner.py]) AC_CONFIG_LINKS([test/util/test_runner.py:test/util/test_runner.py]) AC_CONFIG_LINKS([test/util/rpcauth-test.py:test/util/rpcauth-test.py]) dnl boost's m4 checks do something really nasty: they export these vars. As a dnl result, they leak into secp256k1's configure and crazy things happen. dnl Until this is fixed upstream and we've synced, we'll just un-export them. CPPFLAGS_TEMP="$CPPFLAGS" unset CPPFLAGS CPPFLAGS="$CPPFLAGS_TEMP" LDFLAGS_TEMP="$LDFLAGS" unset LDFLAGS LDFLAGS="$LDFLAGS_TEMP" LIBS_TEMP="$LIBS" unset LIBS LIBS="$LIBS_TEMP" PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH" unset PKG_CONFIG_PATH PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP" PKGCONFIG_LIBDIR_TEMP="$PKG_CONFIG_LIBDIR" unset PKG_CONFIG_LIBDIR PKG_CONFIG_LIBDIR="$PKGCONFIG_LIBDIR_TEMP" ac_configure_args="${ac_configure_args} --disable-shared --with-pic --enable-benchmark=no --enable-module-recovery --enable-module-schnorrsig --enable-experimental" AC_CONFIG_SUBDIRS([src/secp256k1]) AC_OUTPUT dnl Replace the BUILDDIR path with the correct Windows path if compiling on Native Windows case ${OS} in *Windows*) sed 's/BUILDDIR="\/\([[a-z]]\)/BUILDDIR="\1:/' test/config.ini > test/config-2.ini mv test/config-2.ini test/config.ini ;; esac echo echo "Options used to compile and link:" echo " external signer = $use_external_signer" echo " multiprocess = $build_multiprocess" echo " with experimental syscall sandbox support = $use_syscall_sandbox" echo " with libs = $build_bitcoin_libs" echo " with wallet = $enable_wallet" if test "$enable_wallet" != "no"; then echo " with sqlite = $use_sqlite" echo " with bdb = $use_bdb" fi echo " with gui / qt = $bitcoin_enable_qt" if test $bitcoin_enable_qt != "no"; then echo " with qr = $use_qr" fi echo " with zmq = $use_zmq" if test $enable_fuzz = "no"; then echo " with test = $use_tests" else echo " with test = not building test_bitcoin because fuzzing is enabled" fi echo " with fuzz binary = $enable_fuzz_binary" echo " with bench = $use_bench" echo " with upnp = $use_upnp" echo " with natpmp = $use_natpmp" echo " use asm = $use_asm" echo " USDT tracing = $use_usdt" echo " sanitizers = $use_sanitizers" echo " debug enabled = $enable_debug" echo " gprof enabled = $enable_gprof" echo " werror = $enable_werror" echo " LTO = $enable_lto" echo echo " target os = $host_os" echo " build os = $build_os" echo echo " CC = $CC" echo " CFLAGS = $PTHREAD_CFLAGS $CFLAGS" echo " CPPFLAGS = $DEBUG_CPPFLAGS $HARDENED_CPPFLAGS $CPPFLAGS" echo " CXX = $CXX" echo " CXXFLAGS = $LTO_CXXFLAGS $DEBUG_CXXFLAGS $HARDENED_CXXFLAGS $WARN_CXXFLAGS $NOWARN_CXXFLAGS $ERROR_CXXFLAGS $GPROF_CXXFLAGS $CXXFLAGS" echo " LDFLAGS = $LTO_LDFLAGS $PTHREAD_LIBS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS" echo " ARFLAGS = $ARFLAGS" echo