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authorBruno Haible <bruno@clisp.org>2021-12-07 21:12:50 +0100
committerBruno Haible <bruno@clisp.org>2021-12-07 21:12:50 +0100
commit276c406870573ba9ac0318d16761fd3058ab11a8 (patch)
treebae1e5a49fe594b738aa29b197b15869427cd705 /m4
parentd61bca14edc031e824fe30bcad577da145842d50 (diff)
downloadlibunistring-276c406870573ba9ac0318d16761fd3058ab11a8.tar.gz
Clarify rationale for gl_INIT_PACKAGE.
* m4/init-package-version.m4: Add more comments.
Diffstat (limited to 'm4')
-rw-r--r--m4/init-package-version.m424
1 files changed, 23 insertions, 1 deletions
diff --git a/m4/init-package-version.m4 b/m4/init-package-version.m4
index a26b1ab..823afc6 100644
--- a/m4/init-package-version.m4
+++ b/m4/init-package-version.m4
@@ -1,4 +1,4 @@
-# init-package-version.m4 serial 2
+# init-package-version.m4 serial 3
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
@@ -61,6 +61,28 @@ dnl the same distribution terms as the rest of that program.
# . $srcdir/../version.sh
# gl_INIT_PACKAGE(PACKAGE, $VERSION_NUMBER)
# AM_INIT_AUTOMAKE([OPTIONS])
+#
+# and after changing version.sh, the developer can directly configure and build:
+#
+# make distclean
+# ./configure
+# make
+#
+# Some other packages use another approach:
+#
+# AC_INIT(PACKAGE,
+# m4_normalize(m4_esyscmd([. ./version.sh; echo $VERSION_NUMBER])))
+# AC_CONFIG_SRCDIR(WITNESS)
+# AM_INIT_AUTOMAKE([OPTIONS])
+#
+# but here, after changing version.sh, the developer must first regenerate the
+# configure file:
+#
+# make distclean
+# ./autogen.sh --skip-gnulib
+# ./configure
+# make
+#
# gl_INIT_PACKAGE(PACKAGE-NAME, VERSION)
# --------------------------------------