diff options
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 c249ae4..6415271 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. |