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dev-java/javacup: Use installed javacup over bundled where possible

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Fixes bug #565338.

Annoyingly javacup bundles an older version of itself that will break
jflex if that has already been built against this newer version
beforehand. Even more annoyingly, the binary download is built with
Java 8, which isn't much use to us. We therefore use any installed
javacup that is newer than the bundled version where possible. If this
approach turns out to be unworkable then we may just have to use the
bundled jflex for bootstrapping.

Package-Manager: portage-2.2.20.1
This commit is contained in:
James Le Cuirot
2015-11-18 22:54:08 +00:00
parent 5cdc569f7f
commit c76ef14636
1 changed files with 17 additions and 2 deletions
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19
dev-java/javacup/javacup-0.11b_p20151001.ebuild
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@@ -48,8 +48,23 @@ src_configure() {
}
src_compile() {
einfo "Bootstrapping with bundled javacup ..."
EANT_GENTOO_CLASSPATH_EXTRA+=":${S}/bin/${MY_P:0:-1}.jar" eant
# Annoyingly javacup bundles an older version of itself that will
# break jflex if that has already been built against this newer
# version beforehand. Even more annoyingly, the binary download is
# built with Java 8, which isn't much use to us. We therefore use
# any installed javacup that is newer than the bundled version where
# possible. If this approach turns out to be unworkable then we may
# just have to use the bundled jflex for bootstrapping.
if has_version \>=${CATEGORY}/${PN}-0.11b:${SLOT}; then
# Use PORTAGE_QUIET to suppress a QA warning that is spurious
# thanks to has_version above. This is Portage-specific but
# showing the warning elsewhere isn't the end of the world.
einfo "Bootstrapping with installed javacup ..."
EANT_GENTOO_CLASSPATH_EXTRA+=":$(PORTAGE_QUIET=1 java-pkg_getjars --build-only javacup)" eant
else
einfo "Bootstrapping with bundled javacup ..."
EANT_GENTOO_CLASSPATH_EXTRA+=":${S}/bin/${MY_P:0:-1}.jar" eant
fi
# Clean everything except the new jar.
rm -rv java/ classes/ || die