[yocto] [meta-raspberrypi][PATCH 2/2] userland: Make vchostif as shared library

Wed Apr 13 09:36:07 PDT 2016

Thats interesting, I will try to reproduce it

> On Apr 13, 2016, at 7:21 AM, Jonathan Liu <net147 at gmail.com> wrote:
> 
> On Thursday, 14 April 2016, Khem Raj <raj.khem at gmail.com <mailto:raj.khem at gmail.com>> wrote:
> On Wed, Apr 13, 2016 at 3:05 AM, Jonathan Liu <net147 at gmail.com <javascript:;>> wrote:
> > Hi Khem,
> >
> > On 3 April 2016 at 03:59, Khem Raj <raj.khem at gmail.com <javascript:;>> wrote:
> >> This helps in using this library when building
> >> with PIE binaries
> >>
> >> Signed-off-by: Khem Raj <raj.khem at gmail.com <javascript:;>>
> >> ---
> >>  .../0014-build-shared-library-for-vchostif.patch   | 28 ++++++++++++++++++++++
> >>  recipes-graphics/userland/userland_git.bb <http://userland_git.bb/>          |  1 +
> >>  2 files changed, 29 insertions(+)
> >>  create mode 100644 recipes-graphics/userland/userland/0014-build-shared-library-for-vchostif.patch
> >>
> >> diff --git a/recipes-graphics/userland/userland/0014-build-shared-library-for-vchostif.patch b/recipes-graphics/userland/userland/0014-build-shared-library-for-vchostif.patch
> >> new file mode 100644
> >> index 0000000..ca7cb66
> >> --- /dev/null
> >> +++ b/recipes-graphics/userland/userland/0014-build-shared-library-for-vchostif.patch
> >> @@ -0,0 +1,28 @@
> >> +From 4e9aa3fffb458ca4fafd2241c18e9c8008b66ad8 Mon Sep 17 00:00:00 2001
> >> +From: Khem Raj <raj.khem at gmail.com <javascript:;>>
> >> +Date: Sat, 2 Apr 2016 10:37:24 -0700
> >> +Subject: [PATCH] build shared library for vchostif
> >> +
> >> +Fixes #149
> >> +
> >> +Signed-off-by: Khem Raj <raj.khem at gmail.com <javascript:;>>
> >> +---
> >> + interface/vmcs_host/CMakeLists.txt | 2 +-
> >> + 1 file changed, 1 insertion(+), 1 deletion(-)
> >> +
> >> +diff --git a/interface/vmcs_host/CMakeLists.txt b/interface/vmcs_host/CMakeLists.txt
> >> +index 22949a8..f8c2f2f 100755
> >> +--- a/interface/vmcs_host/CMakeLists.txt
> >> ++++ b/interface/vmcs_host/CMakeLists.txt
> >> +@@ -17,7 +17,7 @@ set(VCHOSTIF_SOURCE
> >> + #            ${VMCS_TARGET}/vmcs_main.c
> >> + #  vc_vchi_haud.c
> >> +
> >> +-add_library(vchostif ${VCHOSTIF_SOURCE})
> >> ++add_library(vchostif SHARED ${VCHOSTIF_SOURCE})
> >> +
> >> + #add_library(bufman            vc_vchi_bufman.c            )
> >> +
> >> +--
> >> +2.8.0
> >> +
> >> diff --git a/recipes-graphics/userland/userland_git.bb <http://userland_git.bb/> b/recipes-graphics/userland/userland_git.bb <http://userland_git.bb/>
> >> index efa2128..6ed8fcf 100644
> >> --- a/recipes-graphics/userland/userland_git.bb <http://userland_git.bb/>
> >> +++ b/recipes-graphics/userland/userland_git.bb <http://userland_git.bb/>
> >> @@ -33,6 +33,7 @@ SRC_URI = "\
> >>      file://0011-fix-cmake-dependency-race.patch \
> >>      file://0012-Fix-enum-conversion-warnings.patch \
> >>      file://0013-Fix-for-framerate-with-nested-composition.patch \
> >> +    file://0014-build-shared-library-for-vchostif.patch \
> >>      file://0015-wl-dispmanx-buffer-wrapping.patch \
> >>  "
> >>  S = "${WORKDIR}/git"
> >> --
> >> 2.8.0
> >>
> >> --
> >> _______________________________________________
> >> yocto mailing list
> >> yocto at yoctoproject.org <javascript:;>
> >> https://lists.yoctoproject.org/listinfo/yocto <https://lists.yoctoproject.org/listinfo/yocto>
> >
> > This breaks omxplayer compilation when linking omxplayer.bin:
> > [...]/sysroots/x86_64-linux/usr/libexec/arm-custom-linux-gnueabi/gcc/arm-custom-linux-gnueabi/5.3.0/ld:
> > omxplayer.o: undefined reference to symbol
> > 'vc_dispmanx_resource_write_data'
> > [...]/sysroots/raspberrypi2/usr/lib/libvchostif.so: error adding
> > symbols: DSO missing from command line
> 
> Interestingly i dont see this error. Are you using gold ?
> see if this library is on linker cmdline or not
> Using whatever is the default for OE-core in master branch.
> 
>  | arm-custom-linux-gnueabi-g++  -march=armv7ve -marm
>  -mfpu=neon-vfpv4  -mfloat-abi=hard -mcpu=cortex-a7
> --sysroot=/home/build/git/pi2/build/tmp/sysroots/ra
> spberrypi2 -L/home/build/git/pi2/build/tmp/work/cor
> texa7hf-neon-vfpv4-custom-linux-gnueabi/omxplayer/gi
> t-r4/git/ffmpeg_compiled/usr/lib                   -
> L/home/build/git/pi2/build/tmp/sysroots/raspberrypi
> 2/lib                   -L/home/build/git/pi2/build
> /tmp/sysroots/raspberrypi2/usr/lib
>  -L./ -Lffmpeg_compiled/usr/lib/ -lc -lWFC -lGLESv2
> -lEGL -lbcm_host -lopenmaxil -lfreetype -lz -o omxpl
> ayer.bin linux/XMemUtils.o utils/log.o DynamicDll.o
> utils/PCMRemap.o utils/RegExp.o OMXSubtitleTagSami.o
>  OMXOverlayCodecText.o BitstreamConverter.o linux/RB
> P.o OMXThread.o OMXReader.o OMXStreamInfo.o OMXAudio
> CodecOMX.o OMXCore.o OMXVideo.o OMXAudio.o OMXClock.
> o File.o OMXPlayerVideo.o OMXPlayerAudio.o OMXPlayer
> Subtitles.o SubtitleRenderer.o Unicode.o Srt.o KeyCo
> nfig.o OMXControl.o Keyboard.o omxplayer.o -lvchiq_a
> rm -lvcos -ldbus-1 -lrt -lpthread -lavutil -lavcodec
>  -lavformat -lswscale -lswresample -lpcre
> | /home/build/git/pi2/build/tmp/sysroots/x86_64-linux/usr/libexec/arm-custom-linux-gnueabi/gcc/arm-custom-linux-gnueabi/5.3.0/ld: omxplayer.o: undefined reference to symbol 'vc_dispmanx_resource_write_data'
> | /home/build/git/pi2/build/tmp/sysroots/raspberrypi2/usr/lib/libvchostif.so: error adding symbols: DSO
>  missing from command line
> | collect2: error: ld returned 1 exit status
> | Makefile:53: recipe for target 'omxplayer.bin' failed
> | make: *** [omxplayer.bin] Error 1
> 
> >
> > Regards,
> > Jonathan

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