diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 145 |
1 files changed, 103 insertions, 42 deletions
diff --git a/configure.ac b/configure.ac index cafa7c7f94..118d52d423 100644 --- a/configure.ac +++ b/configure.ac @@ -148,7 +148,8 @@ AC_ARG_ENABLE([extended-functional-tests], [use_extended_functional_tests=no]) AC_ARG_ENABLE([fuzz], - AS_HELP_STRING([--enable-fuzz],[enable building of fuzz targets (default no)]), + AS_HELP_STRING([--enable-fuzz], + [enable building of fuzz targets (default no). enabling this will disable all other targets]), [enable_fuzz=$enableval], [enable_fuzz=no]) @@ -194,6 +195,12 @@ AC_ARG_ENABLE([glibc-back-compat], [use_glibc_compat=$enableval], [use_glibc_compat=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 enabled if there is platform support and glibc-back-compat is not enabled)])], + [use_thread_local=$enableval], + [use_thread_local=auto]) + AC_ARG_ENABLE([asm], [AS_HELP_STRING([--disable-asm], [disable assembly routines (enabled by default)])], @@ -316,6 +323,7 @@ if test "x$enable_werror" = "xyes"; then AC_MSG_ERROR("enable-werror set but -Werror is not usable") fi 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]]) fi @@ -324,6 +332,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then AX_CHECK_COMPILE_FLAG([-Wextra],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wformat],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wvla],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wvla"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wswitch],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wswitch"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wformat-security],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wthread-safety-analysis"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wrange-loop-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wrange-loop-analysis"],,[[$CXXFLAG_WERROR]]) @@ -734,6 +743,10 @@ if test x$TARGET_OS != xwindows; then 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) +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="$HARDENED_CXXFLAGS -Wstack-protector"]) @@ -823,42 +836,49 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([ ] ) -TEMP_LDFLAGS="$LDFLAGS" -LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" -AC_MSG_CHECKING([for thread_local support]) -AC_LINK_IFELSE([AC_LANG_SOURCE([ - #include <thread> - 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 $host in - *mingw*) - # mingw32's implementation of thread_local has also been shown to behave - # erroneously under concurrent usage; see: - # https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605 - AC_MSG_RESULT(no) - ;; - *darwin*) - # TODO enable thread_local on later versions of Darwin where it is - # supported (per https://stackoverflow.com/a/29929949) - AC_MSG_RESULT(no) - ;; - *) - AC_DEFINE(HAVE_THREAD_LOCAL,1,[Define if thread_local is supported.]) - AC_MSG_RESULT(yes) - ;; - esac - ], - [ - AC_MSG_RESULT(no) - ] -) -LDFLAGS="$TEMP_LDFLAGS" +if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && test "x$use_glibc_compat" = xno; }; then + TEMP_LDFLAGS="$LDFLAGS" + LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" + AC_MSG_CHECKING([for thread_local support]) + AC_LINK_IFELSE([AC_LANG_SOURCE([ + #include <thread> + 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 $host in + *mingw*) + # mingw32's implementation of thread_local has also been shown to behave + # erroneously under concurrent usage; see: + # https://gist.github.com/jamesob/fe9a872051a88b2025b1aa37bfa98605 + AC_MSG_RESULT(no) + ;; + *darwin*) + # TODO enable thread_local on later versions of Darwin where it is + # supported (per https://stackoverflow.com/a/29929949) + AC_MSG_RESULT(no) + ;; + *freebsd*) + # FreeBSD's implementation of thread_local is also buggy (per + # https://groups.google.com/d/msg/bsdmailinglist/22ncTZAbDp4/Dii_pII5AwAJ) + AC_MSG_RESULT(no) + ;; + *) + AC_DEFINE(HAVE_THREAD_LOCAL,1,[Define if thread_local is supported.]) + AC_MSG_RESULT(yes) + ;; + esac + ], + [ + AC_MSG_RESULT(no) + ] + ) + LDFLAGS="$TEMP_LDFLAGS" +fi # Check for different ways of gathering OS randomness AC_MSG_CHECKING(for Linux getrandom syscall) @@ -908,6 +928,29 @@ if test x$use_reduce_exports = xyes; then [AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])]) fi +AC_MSG_CHECKING([for std::system]) +AC_LINK_IFELSE( + [ AC_LANG_PROGRAM( + [[ #include <cstdlib> ]], + [[ int nErr = std::system(""); ]] + )], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if you have the `std::system' function.)], + [ AC_MSG_RESULT(no) ] +) + +AC_MSG_CHECKING([for ::_wsystem]) +AC_LINK_IFELSE( + [ AC_LANG_PROGRAM( + [[ ]], + [[ int nErr = ::_wsystem(""); ]] + )], + [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if you have the `::wsystem' function.)], + [ AC_MSG_RESULT(no) ] +) + +# Define to 1 if std::system or ::wsystem (Windows) is available +AC_DEFINE([HAVE_SYSTEM], [HAVE_STD__SYSTEM || HAVE_WSYSTEM], [std::system or ::wsystem]) + LEVELDB_CPPFLAGS= LIBLEVELDB= LIBMEMENV= @@ -916,6 +959,29 @@ AC_SUBST(LEVELDB_CPPFLAGS) AC_SUBST(LIBLEVELDB) AC_SUBST(LIBMEMENV) +dnl enable-fuzz should disable all other targets +if test "x$enable_fuzz" = "xyes"; then + AC_MSG_WARN(enable-fuzz will disable all other targets) + build_bitcoin_utils=no + build_bitcoin_cli=no + build_bitcoin_tx=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 + enable_wallet=no + use_bench=no + use_upnp=no + use_zmq=no +else + BITCOIN_QT_INIT + + dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus + BITCOIN_QT_CONFIGURE([$use_pkgconfig]) +fi + if test x$enable_wallet != xno; then dnl Check for libdb_cxx only if wallet enabled BITCOIN_FIND_BDB48 @@ -950,11 +1016,6 @@ if test x$have_miniupnpc != xno; then fi fi -BITCOIN_QT_INIT - -dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus -BITCOIN_QT_CONFIGURE([$use_pkgconfig]) - if test x$build_bitcoin_wallet$build_bitcoin_cli$build_bitcoin_tx$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench = xnonononononono; then use_boost=no else |