--- a/libs/apr/build/apr_common.m4
+++ b/libs/apr/build/apr_common.m4
@@ -493,13 +493,15 @@ AC_DEFUN([APR_TRY_COMPILE_NO_WARNING],
  if test "$ac_cv_prog_gcc" = "yes"; then 
    CFLAGS="$CFLAGS -Werror"
  fi
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([
-  [#include "confdefs.h"
-  ]
-  [[$1]]
-  [int main(int argc, const char *const *argv) {]
-  [[$2]]
-  [   return 0; }]])],
+ AC_COMPILE_IFELSE(
+  [AC_LANG_SOURCE(
+   [#include "confdefs.h"
+   ]
+   [[$1]]
+   [int main(int argc, const char *const *argv) {]
+   [[$2]]
+   [   return 0; }]
+  )],
   [$3], [$4])
  CFLAGS=$apr_save_CFLAGS
 ])