Only use cxxabi.h's demangler, if it is actually available.

[oota-llvm.git] / autoconf / configure.ac

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 9c116f7c00646ab8132b66bb28310ff9a0c26418..3101e9a5a16f2eefe894b3b0f20b2a2036203702 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1507,7 +1507,7 @@ AC_HEADER_STAT
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
-AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
+AC_CHECK_HEADERS([cxxabi.h dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
 AC_CHECK_HEADERS([utime.h windows.h])
 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])