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| author | Cory Fields <cory-nospam-@coryfields.com> | 2015-11-09 20:50:25 -0500 |
|---|---|---|
| committer | Cory Fields <cory-nospam-@coryfields.com> | 2015-11-09 22:50:31 -0500 |
| commit | 17c4d9d1647bbac4b0557136b1c3d98c951feb79 (patch) | |
| tree | 52d40429bc8a781199595ee2a8cac6472163cb57 /configure.ac | |
| parent | 503ff6e1ae6932b63892099b4c63e92a9263fed6 (diff) | |
| download | bitcoin-17c4d9d1647bbac4b0557136b1c3d98c951feb79.tar.xz | |
build: Split hardening/fPIE options out
This allows for fPIE to be used selectively.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac index d94dd0c3dc..e8aea902ae 100644 --- a/configure.ac +++ b/configure.ac @@ -326,6 +326,7 @@ case $host in AX_CHECK_LINK_FLAG([[-Wl,-headerpad_max_install_names]], [LDFLAGS="$LDFLAGS -Wl,-headerpad_max_install_names"]) CPPFLAGS="$CPPFLAGS -DMAC_OSX" + OBJCXXFLAGS="$CXXFLAGS" ;; *linux*) TARGET_OS=linux @@ -424,6 +425,11 @@ if test x$use_glibc_compat != xno; then fi +if test x$TARGET_OS != xwindows; then + # All windows code is PIC, forcing it on just adds useless compile warnings + AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"]) +fi + 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="$HARDENED_CXXFLAGS -fstack-protector-all"]) @@ -441,8 +447,7 @@ if test x$use_hardening != xno; then AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"]) if test x$TARGET_OS != xwindows; then - # All windows code is PIC, forcing it on just adds useless compile warnings - AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"]) + AX_CHECK_COMPILE_FLAG([-fPIE],[PIE_FLAGS="-fPIE"]) AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"]) fi @@ -451,11 +456,6 @@ if test x$use_hardening != xno; then AC_CHECK_LIB([ssp], [main],, AC_MSG_ERROR(lib missing)) ;; esac - - CXXFLAGS="$CXXFLAGS $HARDENED_CXXFLAGS" - CPPFLAGS="$CPPFLAGS $HARDENED_CPPFLAGS" - LDFLAGS="$LDFLAGS $HARDENED_LDFLAGS" - OBJCXXFLAGS="$CXXFLAGS" fi dnl this flag screws up non-darwin gcc even when the check fails. special-case it. @@ -915,6 +915,11 @@ AC_SUBST(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE) AC_SUBST(COPYRIGHT_YEAR, _COPYRIGHT_YEAR) AC_SUBST(RELDFLAGS) +AC_SUBST(HARDENED_CXXFLAGS) +AC_SUBST(HARDENED_CPPFLAGS) +AC_SUBST(HARDENED_LDFLAGS) +AC_SUBST(PIC_FLAGS) +AC_SUBST(PIE_FLAGS) AC_SUBST(LIBTOOL_APP_LDFLAGS) AC_SUBST(USE_UPNP) AC_SUBST(USE_QRCODE) |