dev-util/re2c: Sync with gentoo

It's from gentoo commit 38b155fa1bf907617067c98eb4ba3a5d0790eb1a.

sdk_container/src/third_party/portage-stable/dev-util/re2c/Manifest

@@ -1 +1,2 @@
-DIST re2c-2.0.3.tar.xz 1288996 BLAKE2B 76913a79ad9c237843ccbe86dd05db755da19fc89351b64d6ece6a9a8d53860f1cc12493748fca5b7391cddff4f4668295fb2613c257c128870ea2e7163811ed SHA512 893c533e9847a6236d55ae65e413ddc48b7531b89f5552a3ad79beeac079317ceca4c35710f3c2d88a6de5a3c0a5070a24a8cffb1b4277578a41697ea0e3bf8c
+DIST re2c-2.1.1.tar.xz 1340740 BLAKE2B e0e3cdb7ea78324467a8fe3161fe9b0cc1eb44baf9a554b892e1f7f8b8d089e8dca58da347527c595881e1119344858694c133ba0f1676424914f6518adbf4f4 SHA512 13edbe961e0482677aff52ada93129500c10e134b579365f1d0cd180a898251f3060f1fe0597fc6c900c0ea29b1eb28fc2519b0ebfa2ed496a777bf7e138feae
+DIST re2c-2.2.tar.xz 1460740 BLAKE2B f9e5920cb31c7ae8fa9f880be30513eee33ad23bcc7d44b24bbcb93376e13b092f6d0bee3304e49f87430be54b868c43115592a2accfdd94cda0d789b234f43b SHA512 8c4f18fa9a2ef6b0b5c03b73b8b7deafcbd7b17baf72e0008c9344296fcb0abeee6024d4a78ccb15b090e37ae67ddd6f2a68b4932331096328530612112ee37a

sdk_container/src/third_party/portage-stable/dev-util/re2c/files/re2c-2.1.1-sh.patch

@@ -0,0 +1,48 @@
+Matt noticed errors when running ./configure on dash:
+    ./configure: 5339: test: x: unexpected operator
+    ./configure: 5386: test: x: unexpected operator
+
+The change is to use POSIX '=' comparison instead of bash-specific ==.
+
+Patch-by: Matt Whitlock
+https://bugs.gentoo.org/779187
+--- a/configure.ac	2021-03-27 18:25:24.000000000 +0000
++++ b/configure.ac	2021-03-30 01:34:01.993467424 +0000
+@@ -65,7 +65,7 @@
+ # --enable-benchmarks
+ AC_ARG_ENABLE([benchmarks], [AS_HELP_STRING([--enable-benchmarks],
+     [build benchmarks])])
+-AM_CONDITIONAL([WITH_BENCHMARKS], [test "x$enable_benchmarks" == "xyes"])
++AM_CONDITIONAL([WITH_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
+ AM_COND_IF([WITH_BENCHMARKS], [
+     AC_LANG_PUSH([C++])
+     AC_CHECK_HEADERS([benchmark/benchmark.h], [],
+@@ -79,7 +79,7 @@
+     [AS_HELP_STRING([--enable-benchmarks-regenerate],
+     [regenerate C code for benchmarks])])
+ AM_CONDITIONAL([REGEN_BENCHMARKS],
+-    [test "x$enable_benchmarks_regenerate" == "xyes"])
++    [test "x$enable_benchmarks_regenerate" = "xyes"])
+ 
+ 
+ # checks for programs
+--- a/configure
++++ b/configure
+@@ -5336,7 +5336,7 @@ if test "${enable_benchmarks+set}" = set; then :
+   enableval=$enable_benchmarks;
+ fi
+ 
+- if test "x$enable_benchmarks" == "xyes"; then
++ if test "x$enable_benchmarks" = "xyes"; then
+   WITH_BENCHMARKS_TRUE=
+   WITH_BENCHMARKS_FALSE='#'
+ else
+@@ -5383,7 +5383,7 @@ if test "${enable_benchmarks_regenerate+set}" = set; then :
+   enableval=$enable_benchmarks_regenerate;
+ fi
+ 
+- if test "x$enable_benchmarks_regenerate" == "xyes"; then
++ if test "x$enable_benchmarks_regenerate" = "xyes"; then
+   REGEN_BENCHMARKS_TRUE=
+   REGEN_BENCHMARKS_FALSE='#'
+ else

sdk_container/src/third_party/portage-stable/dev-util/re2c/metadata.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer type="person">
 		<email>robbat2@gentoo.org</email>
 	</maintainer>
-	<maintainer type="person">
-		<email>slyfox@gentoo.org</email>
-	</maintainer>
 	<upstream>
 		<remote-id type="sourceforge">re2c</remote-id>
 		<remote-id type="github">skvadrik/re2c</remote-id>

sdk_container/src/third_party/portage-stable/dev-util/re2c/re2c-2.1.1-r1.ebuild

@@ -1,17 +1,31 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
 
+inherit autotools
+
 DESCRIPTION="tool for generating C-based recognizers from regular expressions"
 HOMEPAGE="http://re2c.org/"
 SRC_URI="https://github.com/skvadrik/re2c/releases/download/${PV}/${P}.tar.xz"
 
 LICENSE="public-domain"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~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="debug"
 
+PATCHES=("${FILESDIR}"/${P}-sh.patch)
+
+src_prepare() {
+	default
+
+	# Only needed for the sh patch
+	# Despite the patch modifying the configure directly,
+	# this is sometimes fragile and triggers maintainer mode anyway.
+	# bug #779187
+	eautoreconf
+}
+
 src_configure() {
 	econf \
 		--enable-golang \

sdk_container/src/third_party/portage-stable/dev-util/re2c/re2c-2.2.ebuild

@@ -0,0 +1,40 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8,9,10} )
+
+inherit autotools python-any-r1
+
+DESCRIPTION="tool for generating C-based recognizers from regular expressions"
+HOMEPAGE="http://re2c.org/"
+SRC_URI="https://github.com/skvadrik/re2c/releases/download/${PV}/${P}.tar.xz"
+
+LICENSE="public-domain"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~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="debug test"
+
+RESTRICT="!test? ( test )"
+
+# python is used only as a test driver
+BDEPEND="test? ( ${PYTHON_DEPS} )"
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_configure() {
+	econf \
+		--enable-golang \
+		ac_cv_path_BISON="no" \
+		$(use_enable debug)
+}
+
+src_install() {
+	default
+
+	docompress -x /usr/share/doc/${PF}/examples
+	dodoc -r README.md CHANGELOG examples
+}