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authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:15 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:15 +0100
commit5f2b09982312c98863eb9a8dfe2c608b81f58259 (patch)
treee5d38581c2f36e1cca02efedd2d85044d77f76f9 /gnulib-m4/iswblank.m4
parent3e0814cd9862b89c7a39672672937477bd87ddfb (diff)
Imported Upstream version 0.9.6upstream/0.9.6
Diffstat (limited to 'gnulib-m4/iswblank.m4')
-rw-r--r--gnulib-m4/iswblank.m441
1 files changed, 41 insertions, 0 deletions
diff --git a/gnulib-m4/iswblank.m4 b/gnulib-m4/iswblank.m4
new file mode 100644
index 00000000..bb748081
--- /dev/null
+++ b/gnulib-m4/iswblank.m4
@@ -0,0 +1,41 @@
+# iswblank.m4 serial 4
+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_ISWBLANK],
+[
+ AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
+ AC_REQUIRE([gl_WCTYPE_H])
+ dnl Persuade glibc <wctype.h> to declare iswblank().
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_FUNCS_ONCE([iswblank])
+ AC_CHECK_DECLS([iswblank], , , [[
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
+ before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+#include <wctype.h>
+]])
+ if test $ac_cv_func_iswblank = no; then
+ HAVE_ISWBLANK=0
+ if test $ac_cv_have_decl_iswblank = yes; then
+ REPLACE_ISWBLANK=1
+ fi
+ fi
+ if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
+ dnl Redefine all of iswcntrl, ..., towupper in <wctype.h>.
+ :
+ else
+ if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
+ dnl Redefine only iswblank.
+ :
+ fi
+ fi
+
+])