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| author | Xavier Roche <roche@httrack.com> | 2023-01-13 18:42:09 +0100 |
|---|---|---|
| committer | Xavier Roche <roche@httrack.com> | 2023-01-13 19:33:55 +0100 |
| commit | ce3785bb1a1c62d357ec685b5cf9a6af55d8ab50 (patch) | |
| tree | 78d1bfa0c629a6b566f4021268b8bb4ddeaf53d8 /configure.ac | |
| parent | 5f8ea5eac7653fa6d598e8d37d051d4a5b7a19f7 (diff) | |
Add support for pie
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"]) |