sys-process/xe: respect CFLAGS and CHOST CC

Closes: https://bugs.gentoo.org/931796
Signed-off-by: Lucio Sauer <watermanpaint@posteo.net>

sys-process/xe/xe-1.0-r1.ebuild

@@ -2,6 +2,9 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
+
+inherit toolchain-funcs
+
 DESCRIPTION="Simple xargs and apply replacement with sane defaults"
 HOMEPAGE="https://github.com/leahneukirchen/xe/"
 SRC_URI="https://github.com/leahneukirchen/xe/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
@@ -9,8 +12,15 @@ LICENSE="CC0-1.0"
 SLOT="0"
 KEYWORDS="~amd64"
 
+src_prepare() {
+	default
+	# https://github.com/leahneukirchen/xe/pull/11
+	sed '/^CFLAGS/{s/=/:=/;s/-g -O2//;s/$/ $(CFLAGS)/}' \
+		-i Makefile || die
+}
+
 src_compile() {
-	emake CC="$CC" CFLAGS="$CFLAGS"
+	emake CC="$(tc-getCC)"
 }
 
 src_install() {