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author | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:40 +0100 |
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committer | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:40 +0100 |
commit | b1de003dac299705a7f01c997d2b866bafe39926 (patch) | |
tree | 1cc16a3877e945116387a380f7f3023f81fa36e4 /gnulib-m4/fdopen.m4 | |
parent | 752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (diff) | |
parent | 3590c846d4c2febbc05b4ad6b14a06edc549e453 (diff) |
Merge tag 'upstream/0.9.6+really0.9.6'
Upstream version 0.9.6+really0.9.6
Diffstat (limited to 'gnulib-m4/fdopen.m4')
-rw-r--r-- | gnulib-m4/fdopen.m4 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gnulib-m4/fdopen.m4 b/gnulib-m4/fdopen.m4 new file mode 100644 index 0000000..8c57b99 --- /dev/null +++ b/gnulib-m4/fdopen.m4 @@ -0,0 +1,47 @@ +# fdopen.m4 serial 3 +dnl Copyright (C) 2011-2015 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. + +AC_DEFUN([gl_FUNC_FDOPEN], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_FDOPEN=1 + else + dnl Test whether fdopen() sets errno when it fails due to a bad fd argument. + AC_CACHE_CHECK([whether fdopen sets errno], [gl_cv_func_fdopen_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <errno.h> +int +main (void) +{ + FILE *fp; + errno = 0; + fp = fdopen (-1, "r"); + if (fp == NULL && errno == 0) + return 1; + return 0; +}]])], + [gl_cv_func_fdopen_works=yes], + [gl_cv_func_fdopen_works=no], + [case "$host_os" in + mingw*) gl_cv_func_fdopen_works="guessing no" ;; + *) gl_cv_func_fdopen_works="guessing yes" ;; + esac + ]) + ]) + case "$gl_cv_func_fdopen_works" in + *no) REPLACE_FDOPEN=1 ;; + esac + fi +]) + +dnl Prerequisites of lib/fdopen.c. +AC_DEFUN([gl_PREREQ_FDOPEN], []) |