[oe] [PATCH 2/2] gst-openmax: do not use `-Werror` in `CFLAGS` to fix build

[Paul Menzel]

Date: Tue, 18 Jan 2011 16:34:51 +0100

Task `compile` fails with the following error using `angstrom-2008.1` for `MACHINE = "beagleboard"`.

	arm-angstrom-linux-gnueabi-libtool: compile:  arm-angstrom-linux-gnueabi-gcc -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mno-thumb -DHAVE_CONFIG_H -I. -I.. -isystem/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -I./headers -I../gst-libs -I../gst-libs -pthread -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/gstreamer-0.10 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/glib-2.0 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/lib/glib-2.0/include -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/libxml2 -Wall -Werror -g -DGST_DISABLE_DEPRECATED -pthread -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/gstreamer-0.10 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/glib-2.0 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/lib/glib-2.0/include -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/libxml2 -I../util -isystem/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -fexpensive-optimizations -frename-registers -fomit-frame-pointer -O2 -ggdb2 -MT libgstomx_la-gstomx_base_videoenc.lo -MD -MP -MF .deps/libgstomx_la-gstomx_base_videoenc.Tpo -c gstomx_base_videoenc.c  -fPIC -DPIC -o .libs/libgstomx_la-gstomx_base_videoenc.o
	cc1: warnings being treated as errors
	gstomx_base_videoenc.c: In function 'sink_setcaps':
	gstomx_base_videoenc.c:239: error: implicit declaration of function 'free'
	gstomx_base_videoenc.c:239: error: incompatible implicit declaration of built-in function 'free'
	gstomx_base_videoenc.c: In function 'omx_setup':
	gstomx_base_videoenc.c:326: error: incompatible implicit declaration of built-in function 'free'
	cc1: warnings being treated as errors
	gstomx_base_filter.c: In function 'setup_ports':
	gstomx_base_filter.c:65: error: implicit declaration of function 'free'
	gstomx_base_filter.c:65: error: incompatible implicit declaration of built-in function 'free'
	gstomx_base_filter.c: In function 'output_loop':
	gstomx_base_filter.c:387: error: format '%d' expects type 'int', but argument 8 has type 'OMX_U32'
	gstomx_base_filter.c: In function 'pad_chain':
	gstomx_base_filter.c:476: error: format '%lu' expects type 'long unsigned int', but argument 8 has type 'guint'
	make[2]: *** [libgstomx_la-gstomx_base_videoenc.lo] Error 1
	make[2]: *** Waiting for unfinished jobs....
	cc1: warnings being treated as errors
	gstomx_base_videodec.c: In function 'settings_changed_cb':
	gstomx_base_videodec.c:111: error: implicit declaration of function 'calloc'
	gstomx_base_videodec.c:111: error: incompatible implicit declaration of built-in function 'calloc'
	gstomx_base_videodec.c:135: error: implicit declaration of function 'free'
	gstomx_base_videodec.c:135: error: incompatible implicit declaration of built-in function 'free'
	gstomx_base_videodec.c: In function 'sink_setcaps':
	gstomx_base_videodec.c:179: error: incompatible implicit declaration of built-in function 'calloc'
	gstomx_base_videodec.c:208: error: incompatible implicit declaration of built-in function 'free'
	gstomx_base_videodec.c: In function 'omx_setup':
	gstomx_base_videodec.c:229: error: incompatible implicit declaration of built-in function 'calloc'
	gstomx_base_videodec.c:291: error: incompatible implicit declaration of built-in function 'free'
	make[2]: *** [libgstomx_la-gstomx_base_filter.lo] Error 1
	make[2]: *** [libgstomx_la-gstomx_base_videodec.lo] Error 1
	arm-angstrom-linux-gnueabi-libtool: compile:  arm-angstrom-linux-gnueabi-gcc -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mno-thumb -DHAVE_CONFIG_H -I. -I.. -isystem/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -I./headers -I../gst-libs -I../gst-libs -pthread -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/gstreamer-0.10 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/glib-2.0 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/lib/glib-2.0/include -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/libxml2 -Wall -Werror -g -DGST_DISABLE_DEPRECATED -pthread -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/gstreamer-0.10 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/glib-2.0 -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/lib/glib-2.0/include -I/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/libxml2 -I../util -isystem/oe/build/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -fexpensive-optimizations -frename-registers -fomit-frame-pointer -O2 -ggdb2 -MT libgstomx_la-gstomx.lo -MD -MP -MF .deps/libgstomx_la-gstomx.Tpo -c gstomx.c -o libgstomx_la-gstomx.o >/dev/null 2>&1
	mv -f .deps/libgstomx_la-gstomx.Tpo .deps/libgstomx_la-gstomx.Plo
	make[2]: Leaving directory `/oe/build/angstrom-dev/work/armv7a-angstrom-linux-gnueabi/gst-openmax-0.10.0.4-r0/gst-openmax-0.10.0.4/omx'
	make[1]: *** [all-recursive] Error 1
	make[1]: Leaving directory `/oe/build/angstrom-dev/work/armv7a-angstrom-linux-gnueabi/gst-openmax-0.10.0.4-r0/gst-openmax-0.10.0.4'
	make: *** [all] Error 2
	FATAL: oe_runmake failed
	ERROR: Function do_compile failed

`configure.ac` contains

	dnl These flags can be overridden at make time:
	dnl make ERROR_CFLAGS=
	AC_DEFUN([AG_GST_SET_ERROR_CFLAGS],
	[
		AC_REQUIRE([AC_PROG_CC])
		AC_REQUIRE([AS_COMPILER_FLAG])

		[…]

		dnl if asked for, add -Werror if supported
		if test "x$1" != "xno"
		then
		  AS_COMPILER_FLAG(-Werror, ERROR_CFLAGS="$ERROR_CFLAGS -Werror")

and so set `ERROR_FLAGS` only to `-Wall`. This fixes the build.

Signed-off-by: Paul Menzel <paulepanter at users.sourceforge.net>
---
 recipes/openmax/gst-openmax_0.10.0.4.bb |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/recipes/openmax/gst-openmax_0.10.0.4.bb b/recipes/openmax/gst-openmax_0.10.0.4.bb
index b05b65f..66a8e47 100644
--- a/recipes/openmax/gst-openmax_0.10.0.4.bb
+++ b/recipes/openmax/gst-openmax_0.10.0.4.bb
@@ -7,6 +7,8 @@ SRC_URI = "http://gstreamer.freedesktop.org/src/gst-openmax/pre/gst-openmax-${PV
 
 inherit autotools
 
+EXTRA_OEMAKE += "'ERROR_CFLAGS=-Wall'"
+
 FILES_${PN} += "${libdir}/gstreamer-0.10/*.so"
 FILES_${PN}-dbg += "${libdir}/gstreamer-0.10/.debug"
 FILES_${PN}-dev += "${libdir}/gstreamer-0.10/*.*a"
-- 
1.7.2.3
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