diff options
| author | Thomas White <taw@bitwiz.org.uk> | 2010-12-07 19:58:08 -0700 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2012-02-22 15:27:08 +0100 |
| commit | 508de274d96794a194694cf75b9711d1b8882301 (patch) | |
| tree | e64d398aa018c67786eac3e25d85892e92f53e41 /m4/strnlen.m4 | |
| parent | 37aa7fb6df90c0027e1589f7e15a84f527e5ffe0 (diff) | |
Add Gnulib m4 files
Diffstat (limited to 'm4/strnlen.m4')
| -rw-r--r-- | m4/strnlen.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/m4/strnlen.m4 b/m4/strnlen.m4 new file mode 100644 index 00000000..52bb838f --- /dev/null +++ b/m4/strnlen.m4 @@ -0,0 +1,32 @@ +# strnlen.m4 serial 12 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2010 Free Software Foundation, +dnl 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_STRNLEN], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + + dnl Persuade glibc <string.h> to declare strnlen(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([strnlen]) + if test $ac_cv_have_decl_strnlen = no; then + HAVE_DECL_STRNLEN=0 + else + AC_FUNC_STRNLEN + dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]). + if test $ac_cv_func_strnlen_working = no; then + REPLACE_STRNLEN=1 + fi + fi + if test $HAVE_DECL_STRNLEN = 0 || test $REPLACE_STRNLEN = 1; then + AC_LIBOBJ([strnlen]) + gl_PREREQ_STRNLEN + fi +]) + +# Prerequisites of lib/strnlen.c. +AC_DEFUN([gl_PREREQ_STRNLEN], [:]) |