diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/jaylink.m4 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/m4/jaylink.m4 b/m4/jaylink.m4 new file mode 100644 index 0000000..409fc9f --- /dev/null +++ b/m4/jaylink.m4 @@ -0,0 +1,63 @@ +## +## This file is part of the libjaylink project. +## +## Copyright (C) 2016 Marc Schink <jaylink-dev@marcschink.de> +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see <http://www.gnu.org/licenses/>. +## + +# serial 20161011 + +## _JAYLINK_SET_PACKAGE_VERSION(prefix, version, major, minor, micro) +## +m4_define([_JAYLINK_SET_PACKAGE_VERSION], [ + m4_assert([$# == 5]) + + # Get the short Git revision hash of the current commit. + git_version=`git rev-parse --short HEAD 2> /dev/null` + + # Try to get the release tag for the package version from the current + # commit. + tag=`git describe --match "$2" --exact-match 2> /dev/null` + + version=$2 + + # If Git is available, append the short Git revision hash of the + # current commit to the version string if there is no release tag for + # the package version on it. + AS_IF([test -n "$git_version" && test -z "$tag"], + [version="$version-git-$git_version"]) + + AC_SUBST([$1_MAJOR], [$3]) + AC_SUBST([$1_MINOR], [$4]) + AC_SUBST([$1_MICRO], [$5]) + AC_SUBST([$1], [$version]) +]) + +## JAYLINK_SET_PACKAGE_VERSION(prefix, version) +## +## Parse the package version string of the format <major>.<minor>.<micro> and +## set the variables <prefix>_{MAJOR,MINOR,MICRO} to their corresponding +## values. +## +## Set the variable <prefix> to the package version string. If Git is +## available, append the short Git revision hash of the current commit to the +## version string if there is no release tag for the package version on it. +## +AC_DEFUN([JAYLINK_SET_PACKAGE_VERSION], [ + m4_assert([$# == 2]) + + _JAYLINK_SET_PACKAGE_VERSION([$1], [$2], + m4_unquote(m4_split(m4_expand([$2]), [\.]))) +]) |