gthr.m4: New.

[thirdparty/gcc.git] / libstdc++-v3 / acinclude.m4

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index f8765971bd0398ca6fe4ae2d2e95db57be336334..10dac63dcf093c32db52deecebb4ac77d36e7306 100644 (file)
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -3305,10 +3305,14 @@ dnl having to write complex code (the sed commands to clean the macro
 dnl namespace are complex and fragile enough as it is).  We must also
 dnl add a relative path so that -I- is supported properly.
 dnl
+dnl Substs:
+dnl  thread_header
+dnl
 AC_DEFUN([GLIBCXX_ENABLE_THREADS], [
   AC_MSG_CHECKING([for thread model used by GCC])
   target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
   AC_MSG_RESULT([$target_thread_file])
+  GCC_AC_THREAD_HEADER([$target_thread_file])
 ])
 
 
@@ -3615,3 +3619,4 @@ AC_DEFUN([GLIBCXX_ENABLE_WERROR], [
 # Macros from the top-level gcc directory.
 m4_include([../config/gc++filt.m4])
 m4_include([../config/tls.m4])
+m4_include([../config/gthr.m4])