sys-devel/bc: Sync with Gentoo

It's from Gentoo commit bc847864751d0a4a729be37eebd1a019022f6bf4.

sdk_container/src/third_party/portage-stable/sys-devel/bc/Manifest

@@ -1,3 +1,4 @@
 DIST bc-1.07.1.tar.gz 419850 BLAKE2B dcedc193be5521aa0fa3a19746233ed65bc1fe8ef12e15155341706de6fbeecb6dd7ee4ab11e2d4b3aca2ae7097cce89e389b3573493bbc893e00b4ed3239594 SHA512 02126d0db6b6ed06d56cfc292d6f5475ff1e574779d7e69c7809bbb1e13f946f57ea07da2a7666baa092507a951a822044b0970075f75eefe65a5c1999b75d34
 DIST bc-1.08.0.tar.gz 452231 BLAKE2B f42af858507e72171caf0786ca7b72506d79c93a73aa1816a6471798f63d831c14f66cab6fd5af624a21a09b9930772ebf2e791c06f043b45e8b5893134481c7 SHA512 6ce5b510ad7aa8b489d0c3f060c34cf738da33fde4dda8398d9f75fabadef16d9b423ae8752881eff395b10088cd9d9fb16868c578b0950008f1ee08d12be197
 DIST bc-1.08.1.tar.gz 458434 BLAKE2B 51d1bac17f31bb7dbb044c28752cccfe59dd5bcb78a2c3bfa66a345577ea3aee37fef8d7efae83a57e41ae77d7317008f3682dfbc3165c76888770636deead01 SHA512 256c94833ead8029122d3ba6475cf4ff030c208a5bd3e2e9c5c8888467215e0fa9ab34e4226791bbd6e47498c0c61f0dc6399eecb0c8cf6a43453e84911c1847
+DIST bc-1.08.2.tar.gz 457557 BLAKE2B 6ff6d5083aa67d4075116c691b1f975127ab5079e1a1b63d916fbd3e6d5e95c7f4bc7fe196cac0e2a51a7f4c56d91da60495f3ce60f08bee8f2ba4278a791834 SHA512 0876a4c5bfc23da79479519c6a8e03ac9f59ae54077eb71ffdcc6ddaccb76c4b7595b088e89e6ad82d833c072eeff5b378178084276584813c00eedace4c6f8c

sdk_container/src/third_party/portage-stable/sys-devel/bc/bc-1.08.2.ebuild

@@ -0,0 +1,77 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit flag-o-matic toolchain-funcs
+
+DESCRIPTION="Handy console-based calculator utility"
+HOMEPAGE="https://www.gnu.org/software/bc/bc.html"
+SRC_URI="mirror://gnu/bc/${P}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="libedit readline static"
+
+RDEPEND="
+	!readline? ( libedit? ( dev-libs/libedit:= ) )
+	readline? (
+		sys-libs/readline:=
+		sys-libs/ncurses:=
+	)
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	sys-devel/flex
+	app-alternatives/yacc
+"
+PDEPEND="app-alternatives/bc"
+
+src_configure() {
+	local myconf=(
+		$(use_with readline)
+		--program-suffix=-reference
+	)
+
+	if use readline ; then
+		myconf+=( --without-libedit )
+	else
+		myconf+=( $(use_with libedit) )
+	fi
+
+	use static && append-ldflags -static
+
+	# The libedit code isn't compatible currently. #830101
+	use libedit && append-flags -fcommon
+
+	# AC_SYS_LARGEFILE in configure.ac would handle this, but we don't patch
+	# autotools otherwise currently.  This change has been sent upstream, but
+	# who knows when they'll make another release.
+	append-lfs-flags
+
+	# configure dies with other lexes:
+	# "configure: error: readline works only with flex."
+	export LEX=flex
+
+	econf "${myconf[@]}"
+
+	# Do not regen docs -- configure produces a small fragment that includes
+	# the version info which causes all pages to regen (newer file). Bug #554774
+	touch -r doc doc/* || die
+}
+
+src_compile() {
+	emake AR="$(tc-getAR)"
+}
+
+pkg_postinst() {
+	# ensure to preserve the symlinks before app-alternatives/bc
+	# is installed
+	local x
+	for x in bc dc ; do
+		if [[ ! -h ${EROOT}/usr/bin/${x} ]] ; then
+			ln -s "${x}-reference" "${EROOT}/usr/bin/${x}" || die
+		fi
+	done
+}