app-alternatives/yacc: new package to control yacc symlinks

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

4 files changed, 68 insertions, 10 deletions

diff --git a/app-alternatives/lex/lex-0.ebuild b/app-alternatives/lex/lex-0.ebuild
index 88a00b0f7b8f..eee421a1179c 100644
--- a/app-alternatives/lex/lex-0.ebuild
+++ b/app-alternatives/lex/lex-0.ebuild
@@ -15,25 +15,25 @@ IUSE="+flex reflex"
 REQUIRED_USE="^^ ( flex reflex )"
 
 RDEPEND="
-	flex? ( sys-devel/flex )
+	flex? ( >=sys-devel/flex-2.6.4-r5 )
 	reflex? ( sys-devel/reflex )
 	!<sys-devel/flex-2.6.4-r5
 "
 
 src_install() {
-	if use reflex; then
-		dosym reflex /bin/lex
-		newman - lex.1 <<<".so reflex.1"
+	if use flex; then
+		dosym flex /bin/lex
+		newman - lex.1 <<<".so flex.1"
 
 		newenvd - 90lex <<-EOF
-		LEX=reflex
+			LEX=flex
 		EOF
-	elif use flex; then
-		dosym flex /bin/lex
-		newman - lex.1 <<<".so flex.1"
+	elif use reflex; then
+		dosym reflex /bin/lex
+		newman - lex.1 <<<".so reflex.1"
 
 		newenvd - 90lex <<-EOF
-		LEX=flex
+			LEX=reflex
 		EOF
 	else
 		die "Invalid USE flag combination (broken REQUIRED_USE?)"
diff --git a/app-alternatives/yacc/metadata.xml b/app-alternatives/yacc/metadata.xml
index de9d78424186..0672d9fe1a27 100644
--- a/app-alternatives/yacc/metadata.xml
+++ b/app-alternatives/yacc/metadata.xml
@@ -5,5 +5,19 @@
 		<email>base-system@gentoo.org</email>
 		<name>Gentoo Base System</name>
 	</maintainer>
-	<stabilize-allarches/>
+	<maintainer type="person">
+		<email>mgorny@gentoo.org</email>
+		<name>Michał Górny</name>
+	</maintainer>
+	<use>
+		<flag name="bison">
+			Symlink to <pkg>sys-devel/bison</pkg>.
+		</flag>
+		<flag name="byacc">
+			Symlink to <pkg>dev-util/byacc</pkg>.
+		</flag>
+		<flag name="reference">
+			Symlink to <pkg>dev-util/yacc</pkg>.
+		</flag>
+	</use>
 </pkgmetadata>
diff --git a/app-alternatives/yacc/yacc-1.ebuild b/app-alternatives/yacc/yacc-1.ebuild
new file mode 100644
index 000000000000..93e55d2d17fd
--- /dev/null
+++ b/app-alternatives/yacc/yacc-1.ebuild
@@ -0,0 +1,40 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="yacc symlinks"
+HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Base/Alternatives"
+SRC_URI=""
+S=${WORKDIR}
+
+LICENSE="CC0-1.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="+bison byacc reference"
+REQUIRED_USE="^^ ( bison byacc reference )"
+
+RDEPEND="
+	bison? ( >=sys-devel/bison-3.8.2-r1 )
+	byacc? ( dev-util/byacc )
+	reference? ( >=dev-util/yacc-1.9.1-r7 )
+	!<dev-util/yacc-1.9.1-r7
+	!<sys-devel/bison-3.8.2-r1
+"
+
+src_install() {
+	if use bison; then
+		# bison installs its own small wrapper script 'yacc-bison'
+		# around bison(1).
+		dosym yacc.bison /usr/bin/yacc
+		newman - yacc.1 <<<".so yacc.bison.1"
+	elif use byacc; then
+		dosym byacc /usr/bin/yacc
+		newman - yacc.1 <<<".so byacc.1"
+	elif use reference; then
+		dosym yacc-reference /usr/bin/yacc
+		newman - yacc.1 <<<".so yacc-reference.1"
+	else
+		die "Invalid USE flag combination (broken REQUIRED_USE?)"
+	fi
+}
diff --git a/profiles/arch/riscv/package.use.mask b/profiles/arch/riscv/package.use.mask
index 47edcc93058e..911542bee9bf 100644
--- a/profiles/arch/riscv/package.use.mask
+++ b/profiles/arch/riscv/package.use.mask
@@ -3,6 +3,10 @@
 
 # Sam James <sam@gentoo.org> (2022-12-02)
 # Not keyworded here
+app-alternatives/yacc reference
+
+# Sam James <sam@gentoo.org> (2022-12-02)
+# Not keyworded here
 app-alternatives/lex reflex
 
 # Mike Rivnak <rivnakm1@gmail.com> (2022-11-30)