diff options
Diffstat (limited to 'm4/dup2.m4')
| -rw-r--r-- | m4/dup2.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/m4/dup2.m4 b/m4/dup2.m4 new file mode 100644 index 0000000..0549823 --- /dev/null +++ b/m4/dup2.m4 @@ -0,0 +1,15 @@ +#serial 5 +dnl Copyright (C) 2002, 2005, 2007 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_CHECK_FUNCS_ONCE([dup2]) + if test $ac_cv_func_dup2 = no; then + HAVE_DUP2=0 + AC_LIBOBJ([dup2]) + fi +]) |