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Diffstat (limited to 'm4/dup.m4')
-rw-r--r-- | m4/dup.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/dup.m4 b/m4/dup.m4 new file mode 100644 index 0000000..b67e5b7 --- /dev/null +++ b/m4/dup.m4 @@ -0,0 +1,25 @@ +# dup.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_DUP], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_DUP=1 + fi + dnl Replace dup() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + REPLACE_DUP=1 + fi + ]) +]) + +# Prerequisites of lib/dup.c. +AC_DEFUN([gl_PREREQ_DUP], [:]) |