diff options
Diffstat (limited to 'm4/fp_setup_project_version.m4')
| -rw-r--r-- | m4/fp_setup_project_version.m4 | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/m4/fp_setup_project_version.m4 b/m4/fp_setup_project_version.m4 new file mode 100644 index 0000000000..26df01865b --- /dev/null +++ b/m4/fp_setup_project_version.m4 @@ -0,0 +1,102 @@ +# FP_SETUP_PROJECT_VERSION +# --------------------- +AC_DEFUN([FP_SETUP_PROJECT_VERSION], +[ + if test "$RELEASE" = "NO"; then + AC_MSG_CHECKING([for GHC version date]) + if test -f VERSION_DATE; then + PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE` + AC_MSG_RESULT(given $PACKAGE_VERSION) + elif test -e .git; then + changequote(, )dnl + ver_posixtime=`git log -1 --pretty=format:%ct` + ver_date=`perl -MPOSIX -e "print strftime('%Y%m%d', gmtime($ver_posixtime));"` + if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else + changequote([, ])dnl + AC_MSG_ERROR([failed to detect version date: check that git and perl are in your path]) + fi + PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date + AC_MSG_RESULT(inferred $PACKAGE_VERSION) + elif test -f VERSION; then + PACKAGE_VERSION=`cat VERSION` + AC_MSG_RESULT(given $PACKAGE_VERSION) + else + AC_MSG_WARN([cannot determine snapshot version: no .git directory and no VERSION file]) + dnl We'd really rather this case didn't happen, but it might + dnl do (in particular, people using lndir trees may find that + dnl the build system can't find any other date). If it does + dnl happen, then we use the current date. + dnl This way we get some idea about how recent a build is. + dnl It also means that packages built for 2 different builds + dnl will probably use different version numbers, so things are + dnl less likely to go wrong. + PACKAGE_VERSION=${PACKAGE_VERSION}.`date +%Y%m%d` + fi + fi + + AC_MSG_CHECKING([for GHC Git commit id]) + if test -e .git; then + git_commit_id=`git rev-parse HEAD` + if test -n "$git_commit_id" 2>&1 >/dev/null; then true; else + AC_MSG_ERROR([failed to detect revision: check that git is in your path]) + fi + PACKAGE_GIT_COMMIT_ID=$git_commit_id + AC_MSG_RESULT(inferred $PACKAGE_GIT_COMMIT_ID) + elif test -f GIT_COMMIT_ID; then + PACKAGE_GIT_COMMIT_ID=`cat GIT_COMMIT_ID` + AC_MSG_RESULT(given $PACKAGE_GIT_COMMIT_ID) + else + AC_MSG_WARN([cannot determine snapshot revision: no .git directory and no 'GIT_COMMIT_ID' file]) + PACKAGE_GIT_COMMIT_ID="0000000000000000000000000000000000000000" + fi + + + # Some renamings + AC_SUBST([ProjectName], [$PACKAGE_NAME]) + AC_SUBST([ProjectVersion], [$PACKAGE_VERSION]) + AC_SUBST([ProjectGitCommitId], [$PACKAGE_GIT_COMMIT_ID]) + + # Split PACKAGE_VERSION into (possibly empty) parts + VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/` + VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/` + VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/` + ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/` + + # Calculate project version as an integer, using 2 digits for minor version + case $VERSION_MINOR in + ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;; + ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;; + *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;; + esac + AC_SUBST([ProjectVersionInt]) + + # The project patchlevel is zero unless stated otherwise + test -z "$ProjectPatchLevel" && ProjectPatchLevel=0 + + # Save split version of ProjectPatchLevel + ProjectPatchLevel1=`echo $ProjectPatchLevel | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1/'` + ProjectPatchLevel2=`echo $ProjectPatchLevel | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3/'` + + AC_SUBST([ProjectPatchLevel1]) + AC_SUBST([ProjectPatchLevel2]) + + # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508 + ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'` + + AC_SUBST([ProjectPatchLevel]) + + # The version of the GHC package changes every day, since the + # patchlevel is the current date. We don't want to force + # recompilation of the entire compiler when this happens, so for + # GHC HEAD we omit the patchlevel from the package version number. + # + # The ProjectPatchLevel1 > 20000000 iff GHC HEAD. If it's for a stable + # release like 7.10.1 or for a release candidate such as 7.10.1.20141224 + # then we don't omit the patchlevel components. + + ProjectVersionMunged="$ProjectVersion" + if test "$ProjectPatchLevel1" -gt 20000000; then + ProjectVersionMunged="${VERSION_MAJOR}.${VERSION_MINOR}" + fi + AC_SUBST([ProjectVersionMunged]) +])# FP_SETUP_PROJECT_VERSION |