diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 155 |
1 files changed, 76 insertions, 79 deletions
diff --git a/configure.ac b/configure.ac index 8bde6d9bc4..875491fb99 100644 --- a/configure.ac +++ b/configure.ac @@ -1,12 +1,11 @@ -dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N) -AC_PREREQ([2.60]) +AC_PREREQ([2.69]) define(_CLIENT_VERSION_MAJOR, 0) define(_CLIENT_VERSION_MINOR, 19) define(_CLIENT_VERSION_REVISION, 99) define(_CLIENT_VERSION_BUILD, 0) define(_CLIENT_VERSION_RC, 0) define(_CLIENT_VERSION_IS_RELEASE, false) -define(_COPYRIGHT_YEAR, 2019) +define(_COPYRIGHT_YEAR, 2020) 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_REVISION, m4_if(_CLIENT_VERSION_BUILD, [0], [], _CLIENT_VERSION_BUILD))m4_if(_CLIENT_VERSION_RC, [0], [], [rc]_CLIENT_VERSION_RC),[https://github.com/bitcoin/bitcoin/issues],[bitcoin],[https://bitcoincore.org/]) @@ -243,27 +242,27 @@ AC_ARG_ENABLE(man, enable_man=yes) AM_CONDITIONAL(ENABLE_MAN, test "$enable_man" != no) -# Enable debug +dnl Enable debug AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [use compiler flags and macros suited for debugging (default is no)])], [enable_debug=$enableval], [enable_debug=no]) -# Enable different -fsanitize options +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=$withval]) -# Enable gprof profiling +dnl Enable gprof profiling AC_ARG_ENABLE([gprof], [AS_HELP_STRING([--enable-gprof], [use gprof profiling compiler flags (default is no)])], [enable_gprof=$enableval], [enable_gprof=no]) -# Turn warnings into errors +dnl Turn warnings into errors AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [Treat certain compiler warnings as errors (default is no)])], @@ -274,15 +273,15 @@ AC_LANG_PUSH([C++]) AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""]) if test "x$enable_debug" = xyes; then - # Clear default -g -O2 flags + dnl Clear default -g -O2 flags if test "x$CXXFLAGS_overridden" = xno; then CXXFLAGS="" fi - # Disable all optimizations + dnl Disable all optimizations AX_CHECK_COMPILE_FLAG([-O0], [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -O0"]],,[[$CXXFLAG_WERROR]]) - # Prefer -g3, fall back to -g if that is unavailable. + dnl Prefer -g3, fall back to -g if that is unavailable. AX_CHECK_COMPILE_FLAG( [-g3], [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g3"]], @@ -295,19 +294,19 @@ if test "x$enable_debug" = xyes; then fi if test x$use_sanitizers != x; then - # First check if the compiler accepts flags. If an incompatible pair like - # -fsanitize=address,thread is used here, this check will fail. This will also - # fail if a bad argument is passed, e.g. -fsanitize=undfeined + dnl First check if the compiler accepts flags. If an incompatible pair like + dnl -fsanitize=address,thread is used here, this check will fail. This will also + dnl fail if a bad argument is passed, e.g. -fsanitize=undfeined AX_CHECK_COMPILE_FLAG( [[-fsanitize=$use_sanitizers]], [[SANITIZER_CXXFLAGS=-fsanitize=$use_sanitizers]], [AC_MSG_ERROR([compiler did not accept requested flags])]) - # Some compilers (e.g. GCC) require additional libraries like libasan, - # libtsan, libubsan, etc. Make sure linking still works with the sanitize - # flag. This is a separate check so we can give a better error message when - # the sanitize flags are supported by the compiler but the actual sanitizer - # libs are missing. + dnl Some compilers (e.g. GCC) require additional libraries like libasan, + dnl libtsan, libubsan, etc. Make sure linking still works with the sanitize + dnl flag. This is a separate check so we can give a better error message when + dnl the sanitize flags are supported by the compiler but the actual sanitizer + dnl libs are missing. AX_CHECK_LINK_FLAG( [[-fsanitize=$use_sanitizers]], [[SANITIZER_LDFLAGS=-fsanitize=$use_sanitizers]], @@ -329,6 +328,7 @@ if test "x$enable_werror" = "xyes"; then AX_CHECK_COMPILE_FLAG([-Werror=vla],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=vla"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Werror=switch],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=switch"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Werror=thread-safety-analysis],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=thread-safety-analysis"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Werror=unused-variable],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=unused-variable"],,[[$CXXFLAG_WERROR]]) fi if test "x$CXXFLAGS_overridden" = "xno"; then @@ -341,10 +341,11 @@ if test "x$CXXFLAGS_overridden" = "xno"; then AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wthread-safety-analysis"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wrange-loop-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-variable],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wunused-variable"],,[[$CXXFLAG_WERROR]]) - ## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all - ## unknown options if any other warning is produced. Test the -Wfoo case, and - ## set the -Wno-foo case if it works. + 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]]) AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]]) @@ -359,9 +360,9 @@ enable_shani=no if test "x$use_asm" = "xyes"; then -# Check for optional instruction set support. Enabling these does _not_ imply that all code will -# be compiled with them, rather that specific objects/libs may use them after checking for runtime -# compatibility. +dnl Check for optional instruction set support. Enabling these does _not_ imply that all code will +dnl be compiled with them, rather that specific objects/libs may use them after checking for runtime +dnl compatibility. AX_CHECK_COMPILE_FLAG([-msse4.2],[[SSE42_CXXFLAGS="-msse4.2"]],,[[$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]]) @@ -504,8 +505,8 @@ case $host in AC_CHECK_LIB([iphlpapi], [main],, AC_MSG_ERROR(libiphlpapi missing)) AC_CHECK_LIB([crypt32], [main],, AC_MSG_ERROR(libcrypt32 missing)) - # -static is interpreted by libtool, where it has a different meaning. - # In libtool-speak, it's -all-static. + dnl -static is interpreted by libtool, where it has a different meaning. + dnl In libtool-speak, it's -all-static. AX_CHECK_LINK_FLAG([[-static]],[LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -all-static"]) AC_PATH_PROG([MAKENSIS], [makensis], none) @@ -523,12 +524,6 @@ case $host in if test "x$CXXFLAGS_overridden" = "xno"; then CXXFLAGS="$CXXFLAGS -w" fi - case $host in - i?86-*) WINDOWS_BITS=32 ;; - x86_64-*) WINDOWS_BITS=64 ;; - *) AC_MSG_ERROR("Could not determine win32/win64 for installer") ;; - esac - AC_SUBST(WINDOWS_BITS) 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 @@ -553,13 +548,8 @@ case $host in dnl It's safe to add these paths even if the functionality is disabled by dnl the user (--without-wallet or --without-gui for example). - openssl_prefix=`$BREW --prefix openssl 2>/dev/null` - bdb_prefix=`$BREW --prefix berkeley-db4 2>/dev/null` - qt5_prefix=`$BREW --prefix qt5 2>/dev/null` - if test x$openssl_prefix != x; then - PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH" - export PKG_CONFIG_PATH - fi + bdb_prefix=$($BREW --prefix berkeley-db4 2>/dev/null) + qt5_prefix=$($BREW --prefix qt5 2>/dev/null) if test x$bdb_prefix != x; then CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include" LIBS="$LIBS -L$bdb_prefix/lib" @@ -676,11 +666,11 @@ AC_C_BIGENDIAN dnl Check for pthread compile/link requirements AX_PTHREAD -# The following macro will add the necessary defines to bitcoin-config.h, but -# they also need to be passed down to any subprojects. Pull the results out of -# the cache and add them to CPPFLAGS. +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 -# detect POSIX or GNU variant of strerror_r +dnl detect POSIX or GNU variant of strerror_r AC_FUNC_STRERROR_R if test x$ac_cv_sys_file_offset_bits != x && @@ -703,12 +693,12 @@ AX_GCC_FUNC_ATTRIBUTE([dllimport]) if test x$use_glibc_compat != xno; then - #glibc absorbed clock_gettime in 2.17. librt (its previous location) is safe to link - #in anyway for back-compat. + dnl glibc absorbed clock_gettime in 2.17. librt (its previous location) is safe to link + dnl in anyway for back-compat. AC_CHECK_LIB([rt],[clock_gettime],, AC_MSG_ERROR(librt missing)) - #__fdelt_chk's params and return type have changed from long unsigned int to long int. - # See which one is present here. + dnl __fdelt_chk's params and return type have changed from long unsigned int to long int. + dnl See which one is present here. AC_MSG_CHECKING(__fdelt_chk type) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef _FORTIFY_SOURCE #undef _FORTIFY_SOURCE @@ -744,22 +734,22 @@ if test "x$enable_gprof" = xyes; then fi if test x$TARGET_OS != xwindows; then - # All windows code is PIC, forcing it on just adds useless compile warnings + dnl All windows code is PIC, forcing it on just adds useless compile warnings AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"]) fi -# All versions of gcc that we commonly use for building are subject to bug -# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set -# -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) +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="$HARDENED_CXXFLAGS -fstack-reuse=none"]) if test x$use_hardening != xno; 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"]) - # When enable_debug is yes, all optimizations are disabled. - # However, FORTIFY_SOURCE requires that there is some level of optimization, otherwise it does nothing and just creates a compiler warning. - # Since FORTIFY_SOURCE is a no-op without optimizations, do not enable it when enable_debug is yes. + 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 x$enable_debug != xyes; then AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[ AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[ @@ -786,12 +776,14 @@ fi dnl this flag screws up non-darwin gcc even when the check fails. special-case it. if test x$TARGET_OS = xdarwin; then AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"]) + AX_CHECK_LINK_FLAG([[-Wl,-dead_strip_dylibs]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip_dylibs"]) + AX_CHECK_LINK_FLAG([[-Wl,-bind_at_load]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-bind_at_load"]) fi -AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h]) +AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h]) -# FD_ZERO may be dependent on a declaration of memcpy, e.g. in SmartOS -# check that it fails to build without memcpy, then that it builds with +dnl FD_ZERO may be dependent on a declaration of memcpy, e.g. in SmartOS +dnl check that it fails to build without memcpy, then that it builds with AC_MSG_CHECKING(FD_ZERO memcpy dependence) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <cstddef> @@ -829,7 +821,7 @@ AC_CHECK_DECLS([getifaddrs, freeifaddrs],,, ) AC_CHECK_DECLS([strnlen]) -# Check for daemon(3), unrelated to --with-daemon (although used by it) +dnl Check for daemon(3), unrelated to --with-daemon (although used by it) AC_CHECK_DECLS([daemon]) AC_CHECK_DECLS([le16toh, le32toh, le64toh, htole16, htole32, htole64, be16toh, be32toh, be64toh, htobe16, htobe32, htobe64],,, @@ -895,19 +887,19 @@ if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && te [ case $host in *mingw*) - # mingw32's implementation of thread_local has also been shown to behave - # erroneously under concurrent usage; see: - # https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605 + dnl mingw32's implementation of thread_local has also been shown to behave + dnl erroneously under concurrent usage; see: + dnl https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605 AC_MSG_RESULT(no) ;; *darwin*) - # TODO enable thread_local on later versions of Darwin where it is - # supported (per https://stackoverflow.com/a/29929949) + dnl TODO enable thread_local on later versions of Darwin where it is + dnl supported (per https://stackoverflow.com/a/29929949) AC_MSG_RESULT(no) ;; *freebsd*) - # FreeBSD's implementation of thread_local is also buggy (per - # https://groups.google.com/d/msg/bsdmailinglist/22ncTZAbDp4/Dii_pII5AwAJ) + dnl FreeBSD's implementation of thread_local is also buggy (per + dnl https://groups.google.com/d/msg/bsdmailinglist/22ncTZAbDp4/Dii_pII5AwAJ) AC_MSG_RESULT(no) ;; *) @@ -923,7 +915,7 @@ if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && te LDFLAGS="$TEMP_LDFLAGS" fi -# Check for different ways of gathering OS randomness +dnl Check for different ways of gathering OS randomness AC_MSG_CHECKING(for Linux getrandom syscall) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h> #include <sys/syscall.h> @@ -948,6 +940,18 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h> [ AC_MSG_RESULT(no)] ) +AC_MSG_CHECKING(for sysctl) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> + #include <sys/sysctl.h>]], + [[ static const int name[2] = {CTL_KERN, KERN_VERSION}; + #ifdef __linux__ + #error "Don't use sysctl on Linux, it's deprecated even when it works" + #endif + sysctl(name, 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 <sys/types.h> #include <sys/sysctl.h>]], @@ -965,7 +969,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h> [ AC_MSG_RESULT(no)] ) -# Check for reduced exports +dnl Check for reduced exports if test x$use_reduce_exports = xyes; then AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"], [AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])]) @@ -977,7 +981,7 @@ AC_LINK_IFELSE( [[ #include <cstdlib> ]], [[ int nErr = std::system(""); ]] )], - [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if you have the `std::system' function.)], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if std::system is available.)], [ AC_MSG_RESULT(no) ] ) @@ -987,11 +991,10 @@ AC_LINK_IFELSE( [[ ]], [[ int nErr = ::_wsystem(""); ]] )], - [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if you have the `::wsystem' function.)], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if ::wsystem is available.)], [ AC_MSG_RESULT(no) ] ) -# Define to 1 if std::system or ::wsystem (Windows) is available AC_DEFINE([HAVE_SYSTEM], [HAVE_STD__SYSTEM || HAVE_WSYSTEM], [std::system or ::wsystem]) LEVELDB_CPPFLAGS= @@ -1241,7 +1244,6 @@ if test x$use_pkgconfig = xyes; then m4_ifdef( [PKG_CHECK_MODULES], [ - PKG_CHECK_MODULES([CRYPTO], [libcrypto],,[AC_MSG_ERROR(libcrypto not found.)]) if test x$use_qr != xno; then BITCOIN_QT_CHECK([PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])]) fi @@ -1264,8 +1266,6 @@ if test x$use_pkgconfig = xyes; then ] ) else - AC_CHECK_HEADER([openssl/crypto.h],,AC_MSG_ERROR(libcrypto headers missing)) - AC_CHECK_LIB([crypto], [main],CRYPTO_LIBS=-lcrypto, AC_MSG_ERROR(libcrypto missing)) if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests != xnononono; then AC_CHECK_HEADER([event2/event.h],, AC_MSG_ERROR(libevent headers missing),) @@ -1465,18 +1465,16 @@ if test x$bitcoin_enable_qt != xno; then AC_MSG_CHECKING([whether to build GUI with support for QR codes]) if test x$have_qrencode = xno; then if test x$use_qr = xyes; then - AC_MSG_ERROR("QR support requested but cannot be built. use --without-qrencode") + AC_MSG_ERROR([QR support requested but cannot be built. Use --without-qrencode]) fi - AC_MSG_RESULT(no) + use_qr=no else if test x$use_qr != xno; then - AC_MSG_RESULT(yes) AC_DEFINE([USE_QRCODE],[1],[Define if QR support should be compiled in]) use_qr=yes - else - AC_MSG_RESULT(no) fi fi + AC_MSG_RESULT([$use_qr]) if test x$XGETTEXT = x; then AC_MSG_WARN("xgettext is required to update qt translations") @@ -1585,7 +1583,6 @@ AC_SUBST(TESTDEFS) AC_SUBST(LEVELDB_TARGET_FLAGS) AC_SUBST(MINIUPNPC_CPPFLAGS) AC_SUBST(MINIUPNPC_LIBS) -AC_SUBST(CRYPTO_LIBS) AC_SUBST(EVENT_LIBS) AC_SUBST(EVENT_PTHREADS_LIBS) AC_SUBST(ZMQ_LIBS) |