diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index acd4e0cf6c..fbf56443f1 100644 --- a/configure.ac +++ b/configure.ac @@ -795,6 +795,14 @@ if test x$use_hardening != xno; then AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"]) AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"]) + AX_CHECK_COMPILE_FLAG([-fcf-protection=full],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fcf-protection=full"]) + + dnl stack-clash-protection does not work properly when building for Windows. + dnl We use the test case from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458 + dnl to determine if it can be enabled. + AX_CHECK_COMPILE_FLAG([-fstack-clash-protection],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-clash-protection"],[],["-O0"], + [AC_LANG_SOURCE([[class D {public: unsigned char buf[32768];}; int main() {D d; return 0;}]])]) + dnl When enable_debug is yes, all optimizations are disabled. dnl However, FORTIFY_SOURCE requires that there is some level of optimization, otherwise it does nothing and just creates a compiler warning. dnl Since FORTIFY_SOURCE is a no-op without optimizations, do not enable it when enable_debug is yes. @@ -1039,13 +1047,13 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h> [ AC_MSG_RESULT(no)] ) -dnl LevelDB platform checks AC_MSG_CHECKING(for fdatasync) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[ fdatasync(0); ]])], [ AC_MSG_RESULT(yes); HAVE_FDATASYNC=1 ], [ AC_MSG_RESULT(no); HAVE_FDATASYNC=0 ] ) +AC_DEFINE_UNQUOTED([HAVE_FDATASYNC], [$HAVE_FDATASYNC], [Define to 1 if fdatasync is available.]) AC_MSG_CHECKING(for F_FULLFSYNC) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>]], @@ -1676,10 +1684,10 @@ echo " target os = $TARGET_OS" echo " build os = $build_os" echo echo " CC = $CC" -echo " CFLAGS = $CFLAGS" +echo " CFLAGS = $PTHREAD_CFLAGS $CFLAGS" echo " CPPFLAGS = $DEBUG_CPPFLAGS $HARDENED_CPPFLAGS $CPPFLAGS" echo " CXX = $CXX" echo " CXXFLAGS = $DEBUG_CXXFLAGS $HARDENED_CXXFLAGS $WARN_CXXFLAGS $NOWARN_CXXFLAGS $ERROR_CXXFLAGS $GPROF_CXXFLAGS $CXXFLAGS" -echo " LDFLAGS = $PTHREAD_CFLAGS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS" +echo " LDFLAGS = $PTHREAD_LIBS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS" echo " ARFLAGS = $ARFLAGS" echo |