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#! /bin/sh
#
# This script generates the autotools configure.in and
# Makefile.am files from the information provided by
# SyncEvolution and backends in src/backends. The
# motivation for this non-standard approach was that
# it allows adding new backends without touching core
# files, which should have simplified the development of
# out-of-tree backends. Now git pretty much removes
# the need for such tricks, but it's still around.
# Another reason for gen-autotools.sh is that it generates
# the version in the configure script. This cannot be
# done inside the script because autoconf expects a
# literal string, not some kind of variable.
#
# To use the version specified in AC_INIT() unmodified,
# the following checks must pass:
# - SyncEvolution source is clean (git status reports
# no "modified" files or "untracked" files, or the source
# is not in git at all)
# - the source is tagged with the version of SyncEvolution
# (git describe --tags HEAD reports something which matches,
# for example syncevolution-1-0-beta-2a for 1.0beta2a)
# - same for libsynthesis, if the SYNTHESISSRC env variable
# is set
#
# If these tests fail, the version is extended:
# +<yyyymmdd>+SE+<status>+SYSYNC+<status>
# <yyyymmdd> = date
# <status> = <hash>[+unclean]
# <hash> = shortened hash from describe (for example, 1040ffd)
# +unclean = source was dirty
set -e
version=`grep '^AC_INIT' configure-pre.in | sed -e 's/.*\[\(.*\)\])/\1/'`
checksource () {
dir=$1
force=$2
dirty=
if [ ! -d $dir/.git ]; then
return
fi
cur=`pwd`
cd $dir
if git status | grep -e "modified:" -e "Untracked files:" -q; then
dirty=+unclean
fi
describe=`git describe --tags`
hash=`cat .git/HEAD | sed -e 's/ref: //'`
hash=`git show-ref --abbrev --hash --verify $hash`
# detect -<number of changes>-g<hash> suffix added when tag is older than HEAD
if perl -e "exit !('$describe' =~ m/-[0-9]+-[0-9a-g]{8}\$/);"; then
# remove suffix to get tag (doesn't matter if we do not pick
# the most recent one)
exact=
tag=`echo $describe | sed -e 's/-[0123456789]*-g.*//'`
else
# there is at least one tag matching HEAD;
# pick the most recent one (based on lexical sorting)
exact=1
tag=`git show-ref --tags | grep $hash | sort | tail -1 | sed -e 's;.*refs/tags/;;'`
fi
simpletag=$tag
# Hyphens between numbers in the tag are dots in the version
# and all other hyphens can be removed.
while true; do
tmp=`echo $simpletag | sed -e 's/\([0123456789]\)-\([0123456789]\)/\1.\2/'`
if [ $tmp = $simpletag ]; then
break
else
simpletag=$tmp
fi
done
simpletag=`echo $simpletag | sed -e 's/-//g'`
if [ "$dirty" ] || [ "$force" ]; then
# previous check failed, always print hash
echo $hash$dirty
elif [ "$exact" ] &&
echo $simpletag | grep -q "syncevolution${version}\$"; then
true
else
echo $hash$dirty
fi
cd $cur
}
versionsuffix=
syncevo=`checksource .`
if [ "$SYNTHESISSRC" ]; then
sysync=`checksource $SYNTHESISSRC $syncevo`
fi
# run check again, to get hash when only libsynthesis failed
syncevo=`checksource . $sysync`
if [ "$syncevo" ]; then
versionsuffix=+SE+$syncevo
fi
if [ "$sysync" ]; then
versionsuffix=$versionsuffix+SYSYNC+$sysync
fi
if [ "$versionsuffix" ]; then
versionsuffix=+`date +%Y%m%d`$versionsuffix
fi
# generate configure.in from main configure-*.in pieces
# and all backend configure-sub.in pieces
rm -f configure.in
sed -e "s/^\\(AC_INIT.*\\)\\[\\(.*\\)\\]/\\1[\\2$versionsuffix]/" configure-pre.in >>configure.in
BACKENDS=
SUBS=
for sub in src/backends/*/configure-sub.in; do
BACKENDS="$BACKENDS `dirname $sub | sed -e 's;^src/;;'`"
SUBS="$SUBS $sub"
echo "# vvvvvvvvvvvvvv $sub vvvvvvvvvvvvvv" >>configure.in
cat $sub >>configure.in
echo "AC_CONFIG_FILES(`echo $sub | sed -e s/configure-sub.in/Makefile/`)" >>configure.in
echo "# ^^^^^^^^^^^^^^ $sub ^^^^^^^^^^^^^^" >>configure.in
echo >>configure.in
done
cat configure-post.in >>configure.in
TEMPLATE_FILES=`cd src && find templates -type f \( -name README -o -name '*.png' -o -name '*.svg' -o -name '*.ini' \) | sort`
TEMPLATE_FILES=`echo $TEMPLATE_FILES`
# create Makefile.am files
sed -e "s;@BACKEND_REGISTRIES@;`echo src/backends/*/*Register.cpp | sed -e s%src/%%g`;" \
-e "s;@BACKENDS@;$BACKENDS;" \
-e "s;@TEMPLATE_FILES@;$TEMPLATE_FILES;" \
src/Makefile-gen.am >src/Makefile.am
sed -e "s;@CONFIG_SUBS@;$SUBS;" \
Makefile-gen.am >Makefile.am
# create LINGUAS file: every .po is included
(cd po && ls -1 *.po | sort -u | sed -e 's/.po$//' > LINGUAS)
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