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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
commit70e9163c9c18e995515598085cb824e554eb7ae7 (patch)
treea42dc8b2a6c031354bf31472de888bfc8a060132 /m4/isblank.m4
parentcbf5993c43f49281173f185863577d86bfac6eae (diff)
downloadcoreutils-tarball-70e9163c9c18e995515598085cb824e554eb7ae7.tar.gz
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diff --git a/m4/isblank.m4 b/m4/isblank.m4
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+# isblank.m4 serial 3
+dnl Copyright (C) 2009-2016 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_ISBLANK],
+[
+ dnl Persuade glibc <ctype.h> to declare isblank().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([isblank])
+ if test $ac_cv_func_isblank = no; then
+ HAVE_ISBLANK=0
+ fi
+])