Add a HAVE_MACH_MACH_H #define to detect the presence of the mach/mach.h
header file on Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/configure b/configure
index 7f35be5..06c0531 100755
--- a/configure
+++ b/configure
@@ -28833,7 +28833,8 @@
-for ac_header in sys/types.h malloc/malloc.h
+
+for ac_header in sys/types.h malloc/malloc.h mach/mach.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then