New: alsa-lib uses host include files for python which breaks builds on 64 bit Linux
https://bugs.busybox.net/show_bug.cgi?id=321
Host: OpenSuse 11.1 64 bit on Core i7 processor
Target: at91sam9261ek_defconfig
Summary: alsa-lib uses host include files for python which breaks
builds on 64 bit Linux
Product: buildroot
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: blocker
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: ulf.samuelsson at atmel.com
CC: buildroot at uclibc.org
Estimated Hours: 0.0
at91sam9261ek_defconfig was updated to use the latest binutils, gcc, kernel headers etc, and this is yet to be committed.
When you build alsa-lib, with python enabled, it tries to include some python headers.
These are included from the host machine and not the target machine.
/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-gcc -Os -pipe -Os -I/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/usr/include -I/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/include --sysroot=/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/ -isysroot /home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir -mabi=apcs-gnu -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -shared .libs/sbase.o -Wl,--rpath -Wl,/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/alsa-lib-1.0.18/src/.libs -L/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/lib -L/home/ulf/projects/Buildroot/20090506/buildroot/build_arm/staging_dir/usr/lib -lm ../../../src/.libs/libasound.so -mabi=apcs-gnu -mabi=apcs-gnu -Wl,-soname -Wl,smixer-sbase.so -o .libs/smixer-sbase.so
In file included from /usr/include/python2.6/Python.h:58,
from python.c:22:
/usr/include/python2.6/pyport.h:685:2: error: #error "LONG_BIT definition appears wrong for platform (bad gcc/glibc config?)."
Since the host is 64 bit and the target is 32 bit, the check fails. It would not fail the test if the host is running 32 bit Linux. The real problem (using host includes) still exist and can cause subtle bugs
This was also reported to the mailing list by Matt Wood Dec 19, 2008; 07:48pm.
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[Buildroot] [Bug 321] alsa-lib uses host include files for python which breaks builds on 64 bit Linux
https://bugs.busybox.net/show_bug.cgi?id=321
--- Comment #1 from Ulf Samuelsson <[email protected]> 2009-07-26 07:15:21 UTC --- Adding
ALSA_LIB_CONF_OPT += --with-pythonlibs=-lpython$(PYTHON_VERSION_MAJOR)
+ALSA_LIB_CONF_OPT += --with-pythonincludes=-I$(STAGING_DIR)/usr/include/python$(PYTHON_VERSION_MAJOR)
ALSA_LIB_CFLAGS+=-I$(STAGING_DIR)/usr/include/python$(PYTHON_VERSION_MAJOR)
to the alsa-lib build recipe seems to fix the problem.
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[Buildroot] [Bug 321] alsa-lib uses host include files for python which breaks builds on 64 bit Linux
In reply to bugzilla at busybox.nethttps://bugs.busybox.net/show_bug.cgi?id=321
Thomas Petazzoni <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2010.02
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[Buildroot] [Bug 321] alsa-lib uses host include files for python which breaks builds on 64 bit Linux
In reply to bugzilla at busybox.nethttps://bugs.busybox.net/show_bug.cgi?id=321
Thomas Petazzoni <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|2010.02 |2010.05
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[Buildroot] [Bug 321] alsa-lib uses host include files for python which breaks builds on 64 bit Linux
In reply to bugzilla at busybox.nethttps://bugs.busybox.net/show_bug.cgi?id=321
Thomas Petazzoni <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED--- Comment #2 from Thomas Petazzoni <[email protected]> --- Fixed by
http://git.buildroot.net/buildroot/commit/?id=538773a66f2e71ac29cf799e3249737dd6903c8e.
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