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| author | Ian Lance Taylor <ian@airs.com> | 2009-06-23 14:37:24 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 2009-06-23 14:37:24 +0000 |
| commit | ae00bacccfafc1c5847402982c741b154512000f (patch) | |
| tree | 29198e62b84adaa736ab2c8a8130306e9a765056 /gold/configure.ac | |
| parent | 9f7577b2c74c0f01eb5ec0988d316d034f1e20ee (diff) | |
| download | binutils-redhat-ae00bacccfafc1c5847402982c741b154512000f.tar.gz | |
* configure.ac: Call AC_CHECK_DECLS using C, not C++.
* configure: Rebuild.
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index c249ae4005..641527182c 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -321,13 +321,18 @@ AC_REPLACE_FUNCS(pread ftruncate mremap ffsll) AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_search_zlibVersion" != "no") +dnl We have to check these in C, not C++, because autoconf generates +dnl tests which have no type information, and current glibc provides +dnl multiple declarations of functions like basename when compiling +dnl with C++. +AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp]) + AC_LANG_PUSH(C++) AC_CHECK_HEADERS(tr1/unordered_set tr1/unordered_map) AC_CHECK_HEADERS(ext/hash_map ext/hash_set) AC_CHECK_HEADERS(byteswap.h) AC_CHECK_FUNCS(mallinfo posix_fallocate) -AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp]) # Use of ::std::tr1::unordered_map::rehash causes undefined symbols # at link time with some versions of GCC. |