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authorBruno Haible <bruno@clisp.org>2021-08-08 01:58:42 +0200
committerBruno Haible <bruno@clisp.org>2021-08-08 01:58:42 +0200
commit15e4365267e316f15222b8bf9f0a7cd0db231e9c (patch)
treeb066c34e577c1206cddc65b13bfe4d40558bc741
parenta192acd84d07c25256eea34a18293133d2435689 (diff)
downloadlibunistring-15e4365267e316f15222b8bf9f0a7cd0db231e9c.tar.gz
Make gl_INIT_PACKAGE work with Automake >= 1.16.4.
Reported and analyzed by Nicole Mazzuca <mazzucan@outlook.com> in <https://lists.gnu.org/archive/html/bug-libunistring/2021-08/msg00002.html>. * m4/init-package-version.m4 (gl_INIT_PACKAGE): Use a new macro gl_INIT_EMPTY. (gl_INIT_DUMMY): Expand to empty in two steps, via a new macro gl_INIT_DUMMY2.
-rw-r--r--ChangeLog10
-rw-r--r--m4/init-package-version.m412
2 files changed, 18 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 277a6e0..8ce7763 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2021-08-07 Bruno Haible <bruno@clisp.org>
+
+ Make gl_INIT_PACKAGE work with Automake >= 1.16.4.
+ Reported and analyzed by Nicole Mazzuca <mazzucan@outlook.com> in
+ <https://lists.gnu.org/archive/html/bug-libunistring/2021-08/msg00002.html>.
+ * m4/init-package-version.m4 (gl_INIT_PACKAGE): Use a new macro
+ gl_INIT_EMPTY.
+ (gl_INIT_DUMMY): Expand to empty in two steps, via a new macro
+ gl_INIT_DUMMY2.
+
2021-07-25 Bruno Haible <bruno@clisp.org>
u{8,16,32}-uctomb: Avoid possible trouble with huge strings.
diff --git a/m4/init-package-version.m4 b/m4/init-package-version.m4
index f131a84..a26b1ab 100644
--- a/m4/init-package-version.m4
+++ b/m4/init-package-version.m4
@@ -1,5 +1,5 @@
-# init-package-version.m4 serial 1 (gettext-0.18)
-dnl Copyright (C) 1992-2009 Free Software Foundation, Inc.
+# init-package-version.m4 serial 2
+dnl Copyright (C) 1992-2021 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
@@ -77,7 +77,7 @@ AC_DEFUN([gl_INIT_PACKAGE],
m4_bpatsubst(m4_dquote(
m4_defn([AM_INIT_AUTOMAKE])),
[AC_PACKAGE_NAME], [gl_INIT_DUMMY])),
- [AC_PACKAGE_TARNAME], [gl_INIT_DUMMY])),
+ [AC_PACKAGE_TARNAME], [gl_INIT_EMPTY])),
[AC_PACKAGE_VERSION], [gl_INIT_DUMMY])
[AC_SUBST([PACKAGE], [$1])
AC_SUBST([VERSION], [$2])
@@ -85,7 +85,11 @@ AC_DEFUN([gl_INIT_PACKAGE],
m4_define([AM_INIT_AUTOMAKE],
m4_defn([gl_RPL_INIT_AUTOMAKE]))
])
-m4_define([gl_INIT_DUMMY], [])
+m4_define([gl_INIT_EMPTY], [])
+dnl Automake 1.16.4 no longer accepts an empty value for gl_INIT_DUMMY.
+dnl But a macro that later expands to empty works.
+m4_define([gl_INIT_DUMMY], [gl_INIT_DUMMY2])
+m4_define([gl_INIT_DUMMY2], [])
AC_DEFUN([gl_RPL_INIT_AUTOMAKE], [
m4_ifval([$2],
[m4_fatal([After gl_INIT_PACKAGE, the two-argument form of AM_INIT_AUTOMAKE cannot be used.])])