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| author | Roland McGrath <roland@hack.frob.com> | 2012-05-14 15:42:52 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2012-05-16 16:20:59 -0700 |
| commit | 61653dfb81b776bb72ce4304175b861d77c357a8 (patch) | |
| tree | 588d62fd799fae6b3aef3958788ef72d7f71bd37 /configure | |
| parent | 90c885c87bdb3380d430d3f72a4a5cabf2835167 (diff) | |
| download | glibc-61653dfb81b776bb72ce4304175b861d77c357a8.tar.gz glibc-61653dfb81b776bb72ce4304175b861d77c357a8.tar.xz glibc-61653dfb81b776bb72ce4304175b861d77c357a8.zip | |
BZ#10375: Configure magic to use -U_FORTIFY_SOURCE if needed.
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/configure b/configure index e664260b06..c295277e40 100755 --- a/configure +++ b/configure @@ -632,6 +632,7 @@ libc_cv_localedir libc_cv_slibdir old_glibc_headers libc_cv_gcc_unwind_find_fde +CPPUNDEFS sizeof_long_double EGREP GREP @@ -7542,6 +7543,40 @@ _ACEOF sizeof_long_double=$ac_cv_sizeof_long_double +CPPUNDEFS= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FORTIFY_SOURCE predefine" >&5 +$as_echo_n "checking for _FORTIFY_SOURCE predefine... " >&6; } +if ${libc_cv_predef_fortify_source+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#ifdef _FORTIFY_SOURCE +# error bogon +#endif + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_predef_fortify_source=no +else + libc_cv_predef_fortify_source=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_predef_fortify_source" >&5 +$as_echo "$libc_cv_predef_fortify_source" >&6; } +if test $libc_cv_predef_fortify_source = yes; then + CPPUNDEFS="${CPPUNDEFS:+$CPPUNDEFS }-U_FORTIFY_SOURCE" +fi + + ### End of automated tests. ### Now run sysdeps configure fragments. |