toolchain.eclass: prepare to rename USE=regression-test->test

Starting from gcc-8.3.0 FEATURES=test USE=test will be enough
to run gcc's testsuite.

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 635582ff63bbb43e024f8035083b9066ac5551f3..56921228daa982c812e7aad925cbc882eff5d898 100644 (file)
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -128,7 +128,15 @@ else
        LICENSE="GPL-2+ LGPL-2.1+ FDL-1.1+"
 fi
 
-IUSE="regression-test vanilla +nls +nptl"
+if tc_version_is_at_least 8.3; then
+       GCC_EBUILD_TEST_FLAG='test'
+else
+       # Don't force USE regression-test->test change on every
+       # gcc ebuild just yet. Let's do the change when >=gcc-8.3
+       # is commonly used as a main compiler.
+       GCC_EBUILD_TEST_FLAG='regression-test'
+fi
+IUSE="${GCC_EBUILD_TEST_FLAG} vanilla +nls +nptl"
 
 if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then
        IUSE+=" altivec debug +cxx +fortran"
@@ -199,7 +207,7 @@ DEPEND="${RDEPEND}
        >=sys-devel/bison-1.875
        >=sys-devel/flex-2.5.4
        nls? ( sys-devel/gettext )
-       regression-test? (
+       ${GCC_EBUILD_TEST_FLAG}? (
                >=dev-util/dejagnu-1.4.4
                >=sys-devel/autogen-5.5.4
        )"
@@ -1720,7 +1728,7 @@ gcc_do_make() {
 #---->> src_test <<----
 
 toolchain_src_test() {
-       if use regression-test ; then
+       if use ${GCC_EBUILD_TEST_FLAG} ; then
                cd "${WORKDIR}"/build
                emake -k check
        fi
@@ -1860,7 +1868,7 @@ toolchain_src_install() {
        find "${ED}" -depth -type d -delete 2>/dev/null
 
        # install testsuite results
-       if use regression-test; then
+       if use ${GCC_EBUILD_TEST_FLAG}; then
                docinto testsuite
                find "${WORKDIR}"/build -type f -name "*.sum" -exec dodoc {} +
                find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -exec dodoc {} +
@@ -2188,7 +2196,7 @@ toolchain_pkg_postinst() {
                cp "${ROOT%/}${DATAPATH}"/c{89,99} "${EROOT%/}"/usr/bin/ 2>/dev/null
        fi
 
-       if use regression-test ; then
+       if use ${GCC_EBUILD_TEST_FLAG} ; then
                elog "Testsuite results have been installed into /usr/share/doc/${PF}/testsuite"
                echo
        fi