diff options
Diffstat (limited to 'gnulib-m4/dup2.m4')
| -rw-r--r-- | gnulib-m4/dup2.m4 | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/gnulib-m4/dup2.m4 b/gnulib-m4/dup2.m4 deleted file mode 100644 index 2abc74cd..00000000 --- a/gnulib-m4/dup2.m4 +++ /dev/null @@ -1,35 +0,0 @@ -#serial 6 -dnl Copyright (C) 2002, 2005, 2007, 2009 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_DUP2], -[ - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_CHECK_FUNCS_ONCE([dup2]) - if test $ac_cv_func_dup2 = no; then - HAVE_DUP2=0 - AC_LIBOBJ([dup2]) - else - AC_CACHE_CHECK([whether dup2 works], [gl_cv_func_dup2_works], - [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ -#include <unistd.h> -]], [return 1 - dup2 (1, 1);])], - [gl_cv_func_dup2_works=yes], [gl_cv_func_dup2_works=no], - [case "$host_os" in - mingw*) # on this platform, dup2 always returns 0 for success - gl_cv_func_dup2_works=no;; - cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0 - gl_cv_func_dup2_works=no;; - *) gl_cv_func_dup2_works=yes;; - esac])]) - if test "$gl_cv_func_dup2_works" = no; then - REPLACE_DUP2=1 - AC_LIBOBJ([dup2]) - fi - fi - AC_DEFINE_UNQUOTED([REPLACE_DUP2], [$REPLACE_DUP2], - [Define to 1 if dup2 returns 0 instead of the target fd.]) -]) |