sys-apps/moreutils: respect CC

Closes: https://bugs.gentoo.org/740340
Package-Manager: Portage-3.0.4, Repoman-2.3.23
Signed-off-by: Sam James <sam@gentoo.org>

sys-apps/moreutils/files/moreutils-0.64-respect-env.patch

@@ -0,0 +1,13 @@
+diff --git a/is_utf8/Makefile b/is_utf8/Makefile
+index 13b1021..f0a111e 100644
+--- a/is_utf8/Makefile
++++ b/is_utf8/Makefile
+@@ -37,7 +37,7 @@ LINKERNAME = lib$(NAME).so
+ SONAME = $(LINKERNAME).$(VERSION)
+ REALNAME = $(SONAME).$(MINOR).$(RELEASE)
+ 
+-CC = gcc
++CC ?= gcc
+ CFLAGS ?= -O3 -Wextra -Wall -ansi -Wstrict-prototypes
+ 
+ $(NAME): $(OBJ)

sys-apps/moreutils/moreutils-0.64.ebuild

@@ -31,6 +31,10 @@ DEPEND="
 		app-text/docbook-xml-dtd:4.4
 	)"
 
+PATCHES=(
+	"${FILESDIR}/${PN}-0.64-respect-env.patch"
+)
+
 src_prepare() {
 	# don't build manpages
 	if ! use doc ; then