sci-libs/meschach: fix CC

Closes: https://bugs.gentoo.org/785196
Signed-off-by: Anna Vyalkova <cyber@sysrq.in>

sci-libs/meschach/files/configure.patch

@@ -0,0 +1,29 @@
+Bug: https://bugs.gentoo.org/785196
+
+--- a/configure.in
++++ b/configure.in
+@@ -9,16 +9,6 @@
+ [extern int test (int i, double x);],
+ AC_DEFINE(HAVE_PROTOTYPES))])dnl
+ dnl
+-dnl Brook Milligan's compiler check
+-dnl Check for the sun ansi c compiler, acc
+-define(LOCAL_PROG_ACC,
+-[AC_BEFORE([$0], [AC_PROG_CPP])AC_PROVIDE([$0])dnl
+-AC_PROGRAM_CHECK(CC, acc, acc, "")])dnl
+-dnl David Stewart's modified compiler check
+-define(LOCAL_PROG_CC,
+-[AC_BEFORE([$0], [AC_PROG_CPP])AC_PROVIDE([$0])dnl
+-AC_PROGRAM_CHECK(CC, acc, acc, cc)])dnl
+-dnl
+ dnl
+ dnl
+ dnl ----------------------------------------------------------------------
+@@ -29,7 +19,6 @@
+ PROGS=""
+ AC_SUBST(PROGS)dnl
+ LOCAL_PROG_ACC
+-AC_PROGRAM_CHECK(CC, cc, cc, gcc)
+ dnl AC_PROG_CC
+ AC_PROG_CPP
+ AC_AIX

sci-libs/meschach/meschach-1.2b.ebuild

@@ -27,13 +27,14 @@ PATCHES=(
 	"${WORKDIR}/debian/patches/${PN}_${PV}-13.diff"
 	"${WORKDIR}/debian/patches/${PN}_${PV}-13.configure.diff"
 	"${FILESDIR}/makefile.patch"
+	"${FILESDIR}/configure.patch"
 )
 
 src_prepare() {
 	default
 	use old && sed -i -- 's/all: shared static/all: oldpart shared static/g' makefile.in
 	mv configure.in configure.ac || die
-	export AR="$(tc-getAR)"
+	tc-export AR CC
 	eautoreconf
 }