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c14183adca
When building from an arbitrary commit in the git tree it's useful for the resulting packages to be uniquely identifiable. Therefore, the build system has been updated to detect if your compiling in git tree. If you are building in a git tree, and there are commits after the last annotated tag. Then the <id>-<hash> component of 'git describe' will be used to overwrite the 'Release:' field in the META file. The only tricky part is that to ensure the 'make dist' tarball is built using the correct release. A dist-hook was added to the top level make file to rewrite the META file using the correct release. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #195 Issue #111
130 lines
4.1 KiB
Plaintext
130 lines
4.1 KiB
Plaintext
###############################################################################
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# Written by Chris Dunlap <cdunlap@llnl.gov>.
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# Modified by Brian Behlendorf <behlendorf1@llnl.gov>.
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###############################################################################
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# SPL_AC_META: Read metadata from the META file. When building from a
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# git repository the SPL_META_RELEASE field will be overwritten if there
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# is an annotated tag matching the form SPL_META_NAME-SPL_META_VERSION-*.
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# This allows for working builds to be uniquely identified using the git
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# commit hash.
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###############################################################################
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AC_DEFUN([SPL_AC_META], [
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AC_MSG_CHECKING([metadata])
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META="$srcdir/META"
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_spl_ac_meta_type="none"
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if test -f "$META"; then
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_spl_ac_meta_type="META file"
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SPL_META_NAME=_SPL_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
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if test -n "$SPL_META_NAME"; then
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AC_DEFINE_UNQUOTED([SPL_META_NAME], ["$SPL_META_NAME"],
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[Define the project name.]
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)
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AC_SUBST([SPL_META_NAME])
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fi
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SPL_META_VERSION=_SPL_AC_META_GETVAL([VERSION]);
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if test -n "$SPL_META_VERSION"; then
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AC_DEFINE_UNQUOTED([SPL_META_VERSION], ["$SPL_META_VERSION"],
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[Define the project version.]
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)
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AC_SUBST([SPL_META_VERSION])
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fi
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SPL_META_RELEASE=_SPL_AC_META_GETVAL([RELEASE]);
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if git rev-parse --git-dir > /dev/null 2>&1; then
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_match="${SPL_META_NAME}-${SPL_META_VERSION}*"
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_alias=$(git describe --match=${_match} 2>/dev/null)
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_release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')
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if test -n "${_release}"; then
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SPL_META_RELEASE=${_release}
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_spl_ac_meta_type="git describe"
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fi
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fi
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if test -n "$SPL_META_RELEASE"; then
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AC_DEFINE_UNQUOTED([SPL_META_RELEASE], ["$SPL_META_RELEASE"],
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[Define the project release.]
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)
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AC_SUBST([SPL_META_RELEASE])
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RELEASE="$SPL_META_RELEASE"
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AC_SUBST([RELEASE])
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fi
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if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then
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SPL_META_ALIAS="$SPL_META_NAME-$SPL_META_VERSION"
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test -n "$SPL_META_RELEASE" &&
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SPL_META_ALIAS="$SPL_META_ALIAS-$SPL_META_RELEASE"
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AC_DEFINE_UNQUOTED([SPL_META_ALIAS],
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["$SPL_META_ALIAS"],
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[Define the project alias string.]
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)
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AC_SUBST([SPL_META_ALIAS])
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fi
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SPL_META_DATA=_SPL_AC_META_GETVAL([DATE]);
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if test -n "$SPL_META_DATA"; then
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AC_DEFINE_UNQUOTED([SPL_META_DATA], ["$SPL_META_DATA"],
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[Define the project release date.]
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)
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AC_SUBST([SPL_META_DATA])
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fi
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SPL_META_AUTHOR=_SPL_AC_META_GETVAL([AUTHOR]);
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if test -n "$SPL_META_AUTHOR"; then
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AC_DEFINE_UNQUOTED([SPL_META_AUTHOR], ["$SPL_META_AUTHOR"],
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[Define the project author.]
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)
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AC_SUBST([SPL_META_AUTHOR])
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fi
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m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
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SPL_META_LT_CURRENT=_SPL_AC_META_GETVAL([LT_CURRENT]);
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SPL_META_LT_REVISION=_SPL_AC_META_GETVAL([LT_REVISION]);
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SPL_META_LT_AGE=_SPL_AC_META_GETVAL([LT_AGE]);
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if test -n "$SPL_META_LT_CURRENT" \
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-o -n "$SPL_META_LT_REVISION" \
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-o -n "$SPL_META_LT_AGE"; then
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test -n "$SPL_META_LT_CURRENT" || SPL_META_LT_CURRENT="0"
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test -n "$SPL_META_LT_REVISION" || SPL_META_LT_REVISION="0"
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test -n "$SPL_META_LT_AGE" || SPL_META_LT_AGE="0"
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AC_DEFINE_UNQUOTED([SPL_META_LT_CURRENT],
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["$SPL_META_LT_CURRENT"],
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[Define the libtool library 'current'
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version information.]
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)
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AC_DEFINE_UNQUOTED([SPL_META_LT_REVISION],
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["$SPL_META_LT_REVISION"],
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[Define the libtool library 'revision'
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version information.]
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)
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AC_DEFINE_UNQUOTED([SPL_META_LT_AGE], ["$SPL_META_LT_AGE"],
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[Define the libtool library 'age'
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version information.]
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)
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AC_SUBST([SPL_META_LT_CURRENT])
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AC_SUBST([SPL_META_LT_REVISION])
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AC_SUBST([SPL_META_LT_AGE])
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fi
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fi
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AC_MSG_RESULT([$_spl_ac_meta_type])
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]
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)
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AC_DEFUN([_SPL_AC_META_GETVAL],
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[`perl -n\
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-e "BEGIN { \\$key=shift @ARGV; }"\
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-e "next unless s/^\s*\\$key@<:@:=@:>@//i;"\
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-e "s/^((?:@<:@^'\"#@:>@*(?:(@<:@'\"@:>@)@<:@^\2@:>@*\2)*)*)#.*/\\@S|@1/;"\
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-e "s/^\s+//;"\
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-e "s/\s+$//;"\
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-e "s/^(@<:@'\"@:>@)(.*)\1/\\@S|@2/;"\
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-e "\\$val=\\$_;"\
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-e "END { print \\$val if defined \\$val; }"\
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'$1' $META`]dnl
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)
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