diff options
Diffstat (limited to 'gl/m4/perror.m4')
| -rw-r--r-- | gl/m4/perror.m4 | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/gl/m4/perror.m4 b/gl/m4/perror.m4 index 86e20207f9..369a824e73 100644 --- a/gl/m4/perror.m4 +++ b/gl/m4/perror.m4 @@ -1,5 +1,5 @@ -# perror.m4 serial 3 -dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. +# perror.m4 serial 6 +dnl Copyright (C) 2008-2012 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. @@ -27,6 +27,8 @@ AC_DEFUN([gl_FUNC_PERROR], [AC_LANG_PROGRAM( [[#include <errno.h> #include <stdio.h> + #include <stdlib.h> + #include <string.h> ]], [[char *str = strerror (-1); if (!getenv("CONFTEST_OUTPUT")) return 0; @@ -34,9 +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 @@ -44,12 +47,17 @@ AC_DEFUN([gl_FUNC_PERROR], rm -rf conftest.txt1 conftest.txt2], [gl_cv_func_perror_works=no], [dnl Guess no when cross-compiling. - gl_cv_func_perror_works="guessing no"])]) - if test "$gl_cv_func_perror_works" != yes; then - REPLACE_PERROR=1 - fi ;; - *) dnl The system's perror() probably inherits the bugs in the - dnl system's strerror_r(). Replace it. - REPLACE_PERROR=1 ;; + gl_cv_func_perror_works="guessing no" + ]) + ]) + if test "$gl_cv_func_perror_works" != yes; then + REPLACE_PERROR=1 + fi + ;; + *) + dnl The system's perror() probably inherits the bugs in the + dnl system's strerror_r(). Replace it. + REPLACE_PERROR=1 + ;; esac ]) |