diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 830c409..c92407d 100644 --- a/configure.ac +++ b/configure.ac @@ -77,9 +77,17 @@ AX_CHECK_COMPILE_FLAG([-fstrict-aliasing -Wstrict-aliasing], [DEFAULT_CFLAGS="$D AX_CHECK_COMPILE_FLAG([-fstack-protector], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -fstack-protector"]) AX_CHECK_LINK_FLAG([-Wl,--discard-all], [DEFAULT_LDFLAGS="$DEFAULT_LDFLAGS -Wl,--discard-all"]) AX_CHECK_LINK_FLAG([-Wl,--no-undefined], [DEFAULT_LDFLAGS="$DEFAULT_LDFLAGS -Wl,--no-undefined"]) -AX_CHECK_LINK_FLAG([-Wl,-z,relro -Wl,-z,now], [DEFAULT_LDFLAGS="$DEFAULT_LDFLAGS -Wl,-z,relro -Wl,-z,now"]) +AX_CHECK_LINK_FLAG([-Wl,-z,relro,-z,now], [DEFAULT_LDFLAGS="$DEFAULT_LDFLAGS -Wl,-z,relro,-z,now"]) AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [DEFAULT_LDFLAGS="$DEFAULT_LDFLAGS -Wl,-z,noexecstack"]) +### PIE +CFLAGS_PIE="" +LDFLAGS_PIE="" +AX_CHECK_COMPILE_FLAG([-fpie -pie], [CFLAGS_PIE="-fpie -pie"]) +AX_CHECK_LINK_FLAG([-pie], [LDFLAGS_PIE="-pie"]) +AC_SUBST([CFLAGS_PIE]) +AC_SUBST([LDFLAGS_PIE]) + ## Export all symbols for backtraces AX_CHECK_COMPILE_FLAG([-rdynamic], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -rdynamic"]) |