X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fperror.m4;h=42549ba212c990ec328bd0488a365174c46b47f5;hb=da8054d48dc22e1c051db54049e005d51a006e69;hp=6a2d9b242349c8880b66cd536c576433224e75a3;hpb=3258ce39ae1d5833c693ac4b75cb4a4b218a2159;p=gnulib.git

diff --git a/m4/perror.m4 b/m4/perror.m4
index 6a2d9b242..42549ba21 100644
--- a/m4/perror.m4
+++ b/m4/perror.m4
@@ -1,5 +1,5 @@
-# perror.m4 serial 5
-dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
+# perror.m4 serial 6
+dnl Copyright (C) 2008-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -36,9 +36,10 @@ AC_DEFUN([gl_FUNC_PERROR],
                 puts (str);
                 errno = -1;
                 perror ("");
+                return 0;
               ]])],
-           [CONFTEST_OUTPUT=1 ./conftest$EXEEXT >conftest.txt1 2>conftest.txt2
-            if cmp conftest.txt1 conftest.txt2 >/dev/null; then
+           [if CONFTEST_OUTPUT=1 ./conftest$EXEEXT >conftest.txt1 2>conftest.txt2 \
+               && cmp conftest.txt1 conftest.txt2 >/dev/null; then
               gl_cv_func_perror_works=yes
             else
               gl_cv_func_perror_works=no