[OE-core] [PATCH 12/40] directfb.inc: force bfd linker for armv7a

[Robert Yang]

From: Andre McCurdy <armccurdy at gmail.com>

Workaround for linker errors seen with armv7a + gold:

 | ../arm-rdk-linux-gnueabi-libtool  --tag=CC   --mode=link arm-rdk-linux-gnueabi-gcc  -march=armv7-a -mfloat-abi=hard -mtune=cortex-a15 --sysroot=.../build/tmp/sysroots/eos -I.../build/tmp/sysroots/eos/usr/include/freetype2 -I.../build/tmp/sysroots/eos/usr/include/libpng16 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wno-strict-aliasing -Werror-implicit-function-declaration -O3 -g2 -ffast-math -pipe -O2 -pipe -g -feliminate-unused-debug-types -D_GNU_SOURCE  -std=gnu99 -Werror-implicit-function-declaration  -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -o directfb-csource directfb-csource.o -lpng16 -ldl -lrt -lpthread
 | arm-rdk-linux-gnueabi-libtool: link: arm-rdk-linux-gnueabi-gcc -march=armv7-a -mfloat-abi=hard -mtune=cortex-a15 --sysroot=.../build/tmp/sysroots/eos -I.../build/tmp/sysroots/eos/usr/include/freetype2 -I.../build/tmp/sysroots/eos/usr/include/libpng16 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wno-strict-aliasing -Werror-implicit-function-declaration -O3 -g2 -ffast-math -pipe -O2 -pipe -g -feliminate-unused-debug-types -D_GNU_SOURCE -std=gnu99 -Werror-implicit-function-declaration -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -o directfb-csource directfb-csource.o  .../build/tmp/sysroots/eos/usr/lib/libpng16.so -lz -lm -ldl -lrt -lpthread
 | .../build/tmp/sysroots/x86_64-linux/usr/bin/arm-rdk-linux-gnueabi/../../libexec/arm-rdk-linux-gnueabi/gcc/arm-rdk-linux-gnueabi/5.2.0/ld: error: directfb-csource.o: requires unsupported dynamic reloc R_ARM_MOVW_ABS_NC; recompile with -fPIC
 | collect2: error: ld returned 1 exit status

Signed-off-by: Andre McCurdy <armccurdy at gmail.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-graphics/directfb/directfb.inc |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/recipes-graphics/directfb/directfb.inc b/meta/recipes-graphics/directfb/directfb.inc
index 446aaea..cbd4014 100644
--- a/meta/recipes-graphics/directfb/directfb.inc
+++ b/meta/recipes-graphics/directfb/directfb.inc
@@ -22,6 +22,9 @@ S = "${WORKDIR}/DirectFB-${PV}"
 
 LDFLAGS_append =" -lts -lm"
 
+# Workaround for linking issues seen with armv7a + gold
+LDFLAGS_append_armv7a = "${@base_contains('DISTRO_FEATURES', 'ld-is-gold', ' -fuse-ld=bfd ', '', d)}"
+
 BINCONFIG = "${bindir}/directfb-config"
 
 inherit autotools binconfig-disabled pkgconfig
-- 
1.7.9.5