Build problems (and solutions)

SusisStrolch · December 16, 2016 at 12:16 PM

By using GCC 6.2 to build master (also 7.90.x and 7.02) I stumbled because of some non C++11 conform code fragments in Kodi.
I fixed them by the following patch:

Diff

diff --git a/config/optimize b/config/optimize
index 2c395a5..8f5b6cf 100644
--- a/config/optimize
+++ b/config/optimize
@@ -38,6 +38,10 @@ HOST_LIBDIR="$ROOT/$TOOLCHAIN/lib"
 HOST_CFLAGS="$HOST_CFLAGS -Wno-format-security"
 HOST_CXXFLAGS="$HOST_CXXFLAGS -Wno-format-security"


+# work around C++11 warning
+TARGET_CXXFLAGS="$TARGET_CXXFLAGS -Wno-literal-suffix"
+HOST_CXXFLAGS="$HOST_CXXFLAGS -Wno-literal-suffix"
+
 # add distro specific library dirs
   # ubuntu/debian specific "multiarch support"
     FAMILY_TRIPLET=$(echo $HOST_NAME | sed -e "s,$(uname -m),$(uname -i),")

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Another very interesting problem showed up during further make (cmake):

Code

make[3]: Entering directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
[  1%] Built target compileinfo
[  1%] Built target wrapper
make[3]: Entering directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
[  1%] Built target crossguid
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
/bin/sh: 1: PATH=/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/toolchain/bin:/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/toolchain/bin:/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/toolchain/sbin:~/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin: not found
make[3]: *** [CMakeFiles/libcpluff.dir/build.make:121: build/cpluff/src/libcpluff-stamp/libcpluff-autoreconf] Error 127
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Entering directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Entering directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[2]: *** [CMakeFiles/Makefile2:214: CMakeFiles/libcpluff.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'
make[3]: Leaving directory '/home/strolch/Development/LibreELEC.tv/build.LibreELEC-imx6.arm-8.0-devel/kodi-17.0-beta6-654f1b7/.armv7a-libreelec-linux-gnueabi'

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I finally found out that my PATH was too large - it looks like there's some limitation around 256 bytes in cmake(??) during invokation of external commands.
After removing the multipe defined JAVA path fragments and therefore shrinking the PATH size the build worked without further problems.

pajtaz · March 14, 2017 at 10:31 AM

Quote

I finally found out that my PATH was too large - it looks like there's some limitation around 256 bytes in cmake(??) during invokation of external commands.
After removing the multipe defined JAVA path fragments and therefore shrinking the PATH size the build worked without further problems.

How did you remove the JAVA path fragments? I seem to have the same problem while building latest LibreELEC 8.0. Similar error comes up soon after Kodi starts building, maybe 15 seconds after start of build, the build of Kodi stops with similar/same error.

**vpeter** · March 14, 2017 at 10:47 AM

Quote from SusisStrolch

By using GCC 6.2 to build master (also 7.90.x and 7.02) I stumbled because of some non C++11 conform code fragments in Kodi.

Just yesterday I build imx6 master and didn't have any problem. Also not with any 7.0.X or 7.9X.Y.
What is your build system? Could you post log of the error?

Quote from pajtaz

How did you remove the JAVA path fragments?

You could set shorter path in start of file scripts/image

Code

export PATH="/something shorter"

Or you could just build like

Code

PATH="/something shorter" PROJECT=imx6 ARCH=arm make

pajtaz · March 14, 2017 at 11:08 AM

vpeter, I was trying to build LibreELEC 8.0 (git checkout libreelec-8.0) with your decoder fix patch. It was running last night and it failed soon after starting the kodi build. There were no obvious error messages and it failed in similar way as above. I had no time this morning before work to read the output but I cleaned kodi then started ONLY kodi build and it failed in the same way after about 10-15 seconds. So I think it's the PATH problem.

pajtaz · March 14, 2017 at 8:45 PM

My issues with the build seemed to have disappeared. I don't know why, I changed nothing. Anyway, I just wanted to update that I do not have an issue any more.

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