opus: fix configure for gcc 5.x

opus/.md5sum

@@ -1 +1,2 @@
+5fb467f75a2c74a064946badc0be5400  1.1-fix-configure.ac-shell-bug.patch
 c5a8cf7c0b066759542bc4ca46817ac6  opus-1.1.tar.gz

opus/1.1-fix-configure.ac-shell-bug.patch

@@ -0,0 +1,14 @@
+--- opus-1.1.orig/configure.ac
++++ opus-1.1/configure.ac
+@@ -333,9 +333,9 @@ AS_IF([test x"${enable_asm}" = x"yes"],[
+ 
+ AM_CONDITIONAL([CPU_ARM], [test "$cpu_arm" = "yes"])
+ AM_CONDITIONAL([OPUS_ARM_INLINE_ASM],
+-    [test x"${inline_optimization:0:3}" = x"ARM"])
++    [test x"${inline_optimization%% *}" = x"ARM"])
+ AM_CONDITIONAL([OPUS_ARM_EXTERNAL_ASM],
+-    [test x"${asm_optimization:0:3}" = x"ARM"])
++    [test x"${asm_optimization%% *}" = x"ARM"])
+ 
+ AS_IF([test x"$enable_rtcd" = x"yes"],[
+     AS_IF([test x"$rtcd_support" != x"no"],[

opus/Pkgfile

@@ -6,11 +6,15 @@
 name=opus
 version=1.1
 release=1
-source=(http://downloads.us.xiph.org/releases/opus/opus-$version.tar.gz)
+source=(http://downloads.us.xiph.org/releases/opus/opus-$version.tar.gz
+	1.1-fix-configure.ac-shell-bug.patch)
 
 build() {
 	cd opus-$version
 
+	patch -p1 -i $SRC/1.1-fix-configure.ac-shell-bug.patch
+	autoreconf -i
+
 	./configure \
 		--prefix=/usr \
 		--mandir=/usr/man \