Change test for pthreads to use AC_SUBST; add ThreadSupport.h as an AC_OUTPUT.
llvm-svn: 11771
diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac
index 6fac355..f8d091e 100644
--- a/llvm/autoconf/configure.ac
+++ b/llvm/autoconf/configure.ac
@@ -222,7 +222,8 @@
dnl pthread locking functions are optional - but llvm will not be thread-safe
dnl without locks.
-AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE(HAVE_PTHREAD_MUTEX_LOCK,1,[Define if PThread mutexes (e.g., pthread_mutex_lock) are available in the system's thread library.]))
+AC_SEARCH_LIBS(pthread_mutex_lock,pthread,HAVE_PTHREAD_MUTEX_LOCK=1,HAVE_PTHREAD_MUTEX_LOCK=0)
+AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
dnl Checks for header files.
dnl We don't check for ancient stuff or things that are guaranteed to be there
@@ -447,7 +448,8 @@
AC_OUTPUT(Makefile.config
include/Support/iterator
include/Support/hash_map
- include/Support/hash_set)
+ include/Support/hash_set
+ include/Support/ThreadSupport.h)
dnl Warn loudly if llvm-gcc was not obviously working
if test $llvmgccwarn = yes