commit 292fb6d7be7301623bbd2d19ab1306bc16e3e68c
author Rui Ueyama <ruiu@google.com> Mon Oct 27 08:16:18 2014 +0000
committer Rui Ueyama <ruiu@google.com> Mon Oct 27 08:16:18 2014 +0000
tree 39ce5dc3c72c75ac0c4c9a70f63f5b54e22fd97a
parent 59c74b225a3dcd20517eb7cbeeb9e2149e702c0e

Re-commit r220667.

C++ source given to check_cxx_source_compile should have define "main".

llvm-svn: 220669

llvm/autoconf/configure.ac

diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac
index a198280..618cf8b 100644
--- a/llvm/autoconf/configure.ac
+++ b/llvm/autoconf/configure.ac
@@ -1592,8 +1592,12 @@
 AC_HEADER_TIME
 
 AC_LANG_PUSH([C++])
-AC_CHECK_HEADERS([cxxabi.h])
+dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
+AC_CHECK_HEADERS([cxxabi.h], [], [],
+[#include <stddef.h>
+])
 AC_LANG_POP([C++])
+
 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
 AC_CHECK_HEADERS([utime.h])