diff options
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.in b/configure.in index d166664a7f..89422b4f72 100644 --- a/configure.in +++ b/configure.in @@ -684,6 +684,10 @@ if test "$GCC" = yes; then test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-g3, [debugflags=-g3])} # -D_FORTIFY_SOURCE + # When defined _FORTIFY_SOURCE, glibc enables some additional sanity + # argument check. The performance drop is very little and Ubuntu enables + # _FORTIFY_SOURCE=2 by default. So, let's support it for protecting us from + # a mistake of silly C extensions. RUBY_TRY_CFLAGS(-D_FORTIFY_SOURCE=2, [RUBY_APPEND_OPTION(XCFLAGS, -D_FORTIFY_SOURCE=2)]) # -fstack-protector |