commit:     290ee32ea6a501a008ebbfe97a13d2ea33d2291e
Author:     Matthew Smith <matthew <AT> gentoo <DOT> org>
AuthorDate: Sat Jul 16 07:49:40 2022 +0000
Commit:     Matthew Smith <matthew <AT> gentoo <DOT> org>
CommitDate: Sat Jul 16 07:52:17 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=290ee32e

dev-scheme/chez: use system lz4 and zlib

Also fixes LTO error related to the linking of the vendored versions of
these libraries.

Closes: https://bugs.gentoo.org/858251
Signed-off-by: Matthew Smith <matthew <AT> gentoo.org>

 dev-scheme/chez/chez-9.5.8-r1.ebuild | 76 ++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/dev-scheme/chez/chez-9.5.8-r1.ebuild 
b/dev-scheme/chez/chez-9.5.8-r1.ebuild
new file mode 100644
index 000000000000..173e8351b3cc
--- /dev/null
+++ b/dev-scheme/chez/chez-9.5.8-r1.ebuild
@@ -0,0 +1,76 @@
+# Copyright 2021-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs
+
+DESCRIPTION="A programming language based on R6RS"
+HOMEPAGE="https://cisco.github.io/ChezScheme/ 
https://github.com/cisco/ChezScheme";
+SRC_URI="https://github.com/cisco/ChezScheme/releases/download/v${PV}/csv${PV}.tar.gz
 -> ${P}.tar.gz"
+S="${WORKDIR}"/csv${PV}
+
+# Chez Scheme itself is Apache 2.0, but it vendors Nanopass and stex
+# which are both MIT licensed.
+LICENSE="Apache-2.0 MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~x86"
+IUSE="X examples ncurses threads"
+
+BDEPEND="virtual/pkgconfig"
+RDEPEND="
+       app-arch/lz4:=
+       sys-apps/util-linux
+       sys-libs/zlib:=
+       ncurses? ( sys-libs/ncurses:= )
+"
+DEPEND="${RDEPEND}"
+RDEPEND="
+       ${RDEPEND}
+       X? ( x11-libs/libX11 )
+"
+
+src_prepare() {
+       tc-export AR CC CXX LD RANLIB
+
+       default
+
+       if use ncurses ; then
+               local nclibs="\"$($(tc-getPKG_CONFIG) --libs ncurses)\""
+               sed -i "s|ncursesLib=-lncurses|ncursesLib=${nclibs}|g" 
configure || die
+       fi
+
+       # Remove -Werror
+       sed -i "/^C = /s|-Werror||g" c/Mf-* || die
+}
+
+src_configure() {
+       local myconfargs=(
+               $(usex threads '--threads' '')
+               $(usex ncurses '' '--disable-curses')
+               $(usex X '' '--disable-x11')
+               --installprefix="/usr"
+               --installbin="/usr/bin"
+               --installlib="/usr/$(get_libdir)"
+               --installman="/usr/share/man"
+               --installschemename=chezscheme
+               --installpetitename=chezscheme-petite
+               --installscriptname=chezscheme-script
+               --libkernel
+               --nogzip-man-pages
+               LZ4=$($(tc-getPKG_CONFIG) --libs liblz4)
+               ZLIB=$($(tc-getPKG_CONFIG) --libs zlib)
+       )
+       sh ./configure "${myconfargs[@]}" || die
+}
+
+src_install() {
+       # TempRoot == DESTDIR
+       emake TempRoot="${D}" install
+
+       if ! use examples; then
+               rm -r "${D}/usr/$(get_libdir)/csv${PV}/examples" || die
+       fi
+
+       einstalldocs
+}

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