Revert r198208 and reapply:

[oota-llvm.git] / autoconf / m4 / single_cxx_check.m4

diff --git a/autoconf/m4/single_cxx_check.m4 b/autoconf/m4/single_cxx_check.m4
index 21efa4bed353fbd35383fd48779cfd3c6f20cd02..cb4732641825a43e499ea47ff25e97ffe15fa7b7 100644 (file)
--- a/autoconf/m4/single_cxx_check.m4
+++ b/autoconf/m4/single_cxx_check.m4
@@ -1,10 +1,16 @@
+dnl
 dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
-dnl                     $1,       $2,       $3,     $4,     
-dnl 
+dnl                     $1,       $2,       $3,     $4,
+
 AC_DEFUN([AC_SINGLE_CXX_CHECK],
- [AC_CACHE_CHECK([for $2 in $3], [$1],
-  [AC_LANG_PUSH([C++])
-   AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include $3],[$4]),[$1=yes],[$1=no])
-  AC_LANG_POP([C++])])
- ])
+[
+  AC_CACHE_CHECK([for $2 in $3], [$1],
+  [
+    AC_LANG_PUSH([C++])
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])],
+                      [$1][[=yes]],
+                      [$1][[=no]])
+    AC_LANG_POP([C++])
+  ])
+])