diff options
author | Bruno Haible <bruno@clisp.org> | 2011-10-22 14:25:26 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2011-10-22 14:25:26 +0200 |
commit | b3609c143bda48f4770412e689443601527f8e5b (patch) | |
tree | b533f5636df2a457c45d6d18950267564cdf2fce /m4/perror.m4 | |
parent | 3258ce39ae1d5833c693ac4b75cb4a4b218a2159 (diff) | |
download | gnulib-b3609c143bda48f4770412e689443601527f8e5b.tar.gz |
perror: Recognize when test program crashes.
* m4/perror.m4 (gl_FUNC_PERROR): If the test program crashes due to
strerror, set gl_cv_func_perror_works to no.
Reported by Daniel Richard G. <skunk@iskunk.org>.
Diffstat (limited to 'm4/perror.m4')
-rw-r--r-- | m4/perror.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/perror.m4 b/m4/perror.m4 index 6a2d9b2423..cb17ba38be 100644 --- a/m4/perror.m4 +++ b/m4/perror.m4 @@ -1,4 +1,4 @@ -# perror.m4 serial 5 +# perror.m4 serial 6 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -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 |