toolchain.eclass: further adaptations to dev-lang/ada-bootstrap

This needs prettifying, which I'll do shortly.

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 31 insertions, 11 deletions

diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 648e67b9493b..f52ff0e6bb60 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -840,6 +840,7 @@ toolchain_setup_ada() {
 
 	local ada_bootstrap
 	local ada_candidate
+	local ada_bootstrap_type
 	# GNAT can usually be built using the last major version and
 	# the current version, at least.
 	#
@@ -852,6 +853,7 @@ toolchain_setup_ada() {
 		ebegin "Testing sys-devel/gcc:${ada_candidate} for Ada"
 		if has_version -b "sys-devel/gcc:${ada_candidate}[ada(-)]" ; then
 			ada_bootstrap=${ada_candidate}
+			ada_bootstrap_type=gcc
 
 			eend 0
 			break
@@ -863,16 +865,15 @@ toolchain_setup_ada() {
 	if ver_test ${ada_bootstrap} -gt ${PV} || [[ -z ${ada_bootstrap} ]] ; then
 		ebegin "Testing fallback dev-lang/ada-bootstrap for Ada"
 		if has_version -b "<dev-lang/ada-bootstrap-${SLOT}" ; then
-			local latest_ada_bootstrap=$(best_version -b "<dev-lang/ada-bootstrap-${SLOT}")
-			latest_ada_bootstrap="${latest_ada_bootstrap#dev-lang/ada-bootstrap-}"
-			latest_ada_bootstrap=$(ver_cut 1 ${latest_ada_bootstrap})
-			ada_bootstrap=${latest_ada_bootstrap}
-
 			# TODO: Figure out ada-bootstrap versioning/slots
-			export PATH="${BROOT}/usr/lib/ada-bootstrap/bin:${PATH}"
+
+			#local latest_ada_bootstrap=$(best_version -b "<dev-lang/ada-bootstrap-${SLOT}")
+			#latest_ada_bootstrap="${latest_ada_bootstrap#dev-lang/ada-bootstrap-}"
+			#latest_ada_bootstrap=$(ver_cut 1 ${latest_ada_bootstrap})
+			ada_bootstrap="10"
+			ada_bootstrap_type=ada-bootstrap
 
 			eend 0
-			break
 		else
 			eend 1
 		fi
@@ -883,6 +884,7 @@ toolchain_setup_ada() {
 		ebegin "Testing fallback dev-lang/gnat-gpl for Ada"
 		if has_version -b "dev-lang/gnat-gpl" ; then
 			ada_bootstrap=10
+			ada_bootstrap=gcc
 			eend 0
 		else
 			eend 1
@@ -910,7 +912,7 @@ toolchain_setup_ada() {
 		@ada:
 		%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}} \
 			%{!S:%{!c:%e-c or -S required for Ada}} \
-			${BROOT}/usr/libexec/gcc/${CBUILD}/${ada_bootstrap}/gnat1 %{I*} %{k8:-gnatk8} %{!Q:-quiet} \
+			${gnat1_path} %{I*} %{k8:-gnatk8} %{!Q:-quiet} \
 			%{nostdinc*} %{nostdlib*} \
 			%{fcompare-debug-second:-gnatd_A} \
 			%{O*} %{W*} %{w} %{p} %{pg:-p} \
@@ -943,11 +945,19 @@ toolchain_setup_ada() {
 			%{gnatc*|gnats*: -o %j} %{-param*}
 		EOF
 
+	# XXX: Hack for now
+	if [[ ${ada_bootstrap_type} == ada-bootstrap ]] ; then
+		sed -i \
+			-e "s:\${gnat1_path}:${BROOT}/usr/lib/ada-bootstrap/libexec/gcc/x86_64-pc-linux-gnu/10/gnat1:" \
+			"${T}"/ada.spec || die
+	fi
+
 	# Easier to substitute these values in rather than escape
 	# lots of bits above in heredoc.
 	sed -i \
 		-e "s:\${BROOT}:${BROOT}:" \
 		-e "s:\${CBUILD}:${CBUILD}:" \
+		-e "s:\${gnat1_path}:${BROOT}/usr/libexec/gcc/${CBUILD}/${ada_bootstrap}/gnat1:" \
 		-e "s:\${ada_bootstrap}:${ada_bootstrap}:" \
 		"${T}"/ada.spec || die
 
@@ -955,7 +965,13 @@ toolchain_setup_ada() {
 	# won't work for us as the stage1 compiler doesn't necessarily
 	# have Ada support. Substitute the Ada compiler we found earlier.
 	local adalib
-	adalib=$(${CBUILD}-gcc-${ada_bootstrap} -print-libgcc-file-name || die "Finding adalib dir failed")
+	if [[ ${ada_bootstrap_type} == ada-bootstrap ]] ; then
+		old_path="${PATH}"
+		export PATH="${BROOT}/usr/lib/ada-bootstrap/bin:${PATH}"
+		adalib=$(${BROOT}/usr/lib/ada-bootstrap/bin/${CBUILD}-gcc -print-libgcc-file-name || die "Finding adalib dir failed")
+	else
+		adalib=$(${CBUILD}-gcc-${ada_bootstrap} -print-libgcc-file-name || die "Finding adalib dir failed")
+	fi
 	adalib="${adalib%/*}/adalib"
 	sed -i \
 		-e "s:adalib=.*:adalib=${adalib}:" \
@@ -966,16 +982,20 @@ toolchain_setup_ada() {
 	mkdir "${T}"/ada-wrappers || die
 	local tool
 	for tool in gnat{,bind,chop,clean,kr,link,ls,make,name,prep} ; do
+		if [[ ${ada_bootstrap_type} == ada-bootstrap ]] ; then
+			ln -s "${BROOT}"/usr/lib/ada-bootstrap/bin/${tool} "${T}"/ada-wrappers/${CBUILD}-${tool}-${ada_bootstrap} || die
+		fi
+
 		cat <<-EOF > "${T}"/ada-wrappers/${tool} || die
 			#!/bin/sh
 			exec $(type -P ${CBUILD}-${tool}-${ada_bootstrap}) -specs=${T}/ada.spec "\$@"
 			EOF
 		chmod +x "${T}"/ada-wrappers/${tool} || die
 
-		export "${tool^^}"=${CBUILD}-${tool}-${ada_bootstrap}
+		export "${tool^^}"="${T}"/ada-wrappers/${tool}
 	done
 
-	export PATH="${T}/ada-wrappers:${PATH}"
+	export PATH="${T}/ada-wrappers:${old_path}"
 	export CC="$(tc-getCC) -specs=${T}/ada.spec"
 }