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| author | Roger Sayle <roger@eyesopen.com> | 2004-11-25 01:41:20 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-11-25 01:41:20 +0000 |
| commit | 2102b2fe72df5d96409d2f7b0a9a6d6b702598e3 (patch) | |
| tree | 4519bae1413cb73435638cd79cae7b6576032213 /gcc/configure.ac | |
| parent | a26e9a2687a922bc0eaee597fbed34d34733b228 (diff) | |
| download | gcc-2102b2fe72df5d96409d2f7b0a9a6d6b702598e3.tar.gz | |
configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a system header conflict on AIX 5.2.
* configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a
system header conflict on AIX 5.2.
* configure: Regenerate.
From-SVN: r91266
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 80eb7161ca8..c7e49c0fc45 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -1053,10 +1053,16 @@ AC_TRY_COMPILE([ ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], [Define to \`long' if <sys/resource.h> doesn't define.])]) +# On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible +# FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname +# in collect2.c, <fcntl.h> isn't visible, but the configure test below needs +# to undef these macros to get the correct value for HAVE_DECL_LDGETNAME. gcc_AC_CHECK_DECLS(ldgetname, , ,[ #include "ansidecl.h" #include "system.h" #ifdef HAVE_LDFCN_H +#undef FREAD +#undef FWRITE #include <ldfcn.h> #endif ]) |