espeak: fix package for gcc6

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/espeak/espeak.inc

@@ -3,7 +3,8 @@ SECTION = "base"
 LICENSE = "GPLv3"
 LIC_FILES_CHKSUM = "file://License.txt;md5=cb7a20edb4c9f5f478de6523dcd7362c"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/espeak/espeak-${PV}-source.zip"
+SRC_URI = "${SOURCEFORGE_MIRROR}/espeak/espeak-${PV}-source.zip \
+           file://fix-gcc6-errors.patch"
 
 S = "${WORKDIR}/espeak-${PV}-source"
 

meta-oe/recipes-support/espeak/espeak_1.37.bb

@@ -42,6 +42,3 @@ do_install() {
     cp -prf ${S}/espeak-data/* ${D}${datadir}/espeak-data
     chown -R root:root ${D}${datadir}/espeak-data
 }
-
-# http://errors.yoctoproject.org/Errors/Details/68663/
-PNBLACKLIST[espeak] ?= "BROKEN: fails to build with gcc-6"

meta-oe/recipes-support/espeak/files/fix-gcc6-errors.patch

@@ -0,0 +1,19 @@
+Fix gcc6 errors with narrowing
+
+| tr_languages.cpp:462:73: error: narrowing conversion of '171' from 'int' to 'char' inside { } [-Wnarrowing]
+|     static const char ko_voiced[] = {0x02,0x05,0x06,0xab,0xaf,0xb7,0xbc,0};  // voiced consonants, l,m,n,N
+
+Upstream-Status: Backport
+
+Signed-off-by: Derek Straka <derek@asterius.io>
+--- a/src/tr_languages.cpp
++++ b/src/tr_languages.cpp
+@@ -459,7 +459,7 @@
+ 	case L('k','o'):   // Korean, TEST
+ 		{
+ 			static const char ko_ivowels[] = {0x63,0x64,0x67,0x68,0x6d,0x72,0x74,0x75,0};  // y and i vowels
+-			static const char ko_voiced[] = {0x02,0x05,0x06,0xab,0xaf,0xb7,0xbc,0};  // voiced consonants, l,m,n,N
++			static const char ko_voiced[] = {0x02,0x05,0x06,(char)0xab,(char)0xaf,(char)0xb7,(char)0xbc,0};  // voiced consonants, l,m,n,N
+ 			tr = new Translator();
+ 
+ 			tr->letter_bits_offset = OFFSET_KOREAN;