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authorBruno Haible <bruno@clisp.org>2020-01-01 17:01:54 +0100
committerBruno Haible <bruno@clisp.org>2020-01-01 17:01:54 +0100
commit86e05effe83d629bfcb4d798c4951781387a1bfa (patch)
treed6773c9eeaa2d2e640c3750c4cd997e5e399c19b /m4/uchar.m4
parentd325c7f69574f24587a6673fb11164d84bef89fa (diff)
downloadgnulib-86e05effe83d629bfcb4d798c4951781387a1bfa.tar.gz
c32tob: New module.
* lib/uchar.in.h (_GL_LARGE_CHAR32_T): New macro. (c32tob): New declaration. * lib/c32tob.c: New file. * m4/uchar.m4 (gl_UCHAR_MODULE_INDICATOR, gl_UCHAR_H_DEFAULTS): New macros. (gl_UCHAR_H): Require gl_UCHAR_H_DEFAULTS. * modules/uchar (Depends-on): Add snippet/c++defs. (Makefile.am): Include c++defs.h and substitute GNULIB_C32TOB in uchar.h. * modules/c32tob: New file. * tests/test-uchar.c: Verify that _GL_LARGE_CHAR32_T is correctly defined. * tests/test-uchar-c++.cc: Include signature.h. Test the signature of c32tob. * modules/uchar-c++-tests (Files): Add tests/signature.h. * doc/posix-functions/wctob.texi: Mention the new module.
Diffstat (limited to 'm4/uchar.m4')
-rw-r--r--m4/uchar.m418
1 files changed, 17 insertions, 1 deletions
diff --git a/m4/uchar.m4 b/m4/uchar.m4
index 69a049c75a..c5a3594ecd 100644
--- a/m4/uchar.m4
+++ b/m4/uchar.m4
@@ -1,4 +1,4 @@
-# uchar.m4 serial 1
+# uchar.m4 serial 2
dnl Copyright (C) 2019-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -9,6 +9,8 @@ dnl Prepare the overridden <uchar.h>.
AC_DEFUN_ONCE([gl_UCHAR_H],
[
+ AC_REQUIRE([gl_UCHAR_H_DEFAULTS])
+
gl_CHECK_NEXT_HEADERS([uchar.h])
if test $ac_cv_header_uchar_h = yes; then
HAVE_UCHAR_H=1
@@ -17,3 +19,17 @@ AC_DEFUN_ONCE([gl_UCHAR_H],
fi
AC_SUBST([HAVE_UCHAR_H])
])
+
+AC_DEFUN([gl_UCHAR_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_UCHAR_H_DEFAULTS])
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_UCHAR_H_DEFAULTS],
+[
+ GNULIB_C32TOB=0; AC_SUBST([GNULIB_C32TOB])
+])