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package/assimp: workaround m68k build issues

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On m68k coldfire, we already pass -mxgot, but since the bump to assimp
5.0.1, this is no longer sufficient, and we have failures such as:

/tmp/ccqmJLil.s: Assembler messages:
/tmp/ccqmJLil.s:307948: Error: value -43420 out of range
/tmp/ccqmJLil.s:307985: Error: value -38606 out of range
/tmp/ccqmJLil.s:308010: Error: value -38626 out of range
/tmp/ccqmJLil.s:308056: Error: value -33280 out of range

Since these issues only arise when building with -O2, let's disable
the optimization for this package on m68k. The very relative relevance
of assimp on m68k coldfire makes the research of a better solution not
really useful (for the record, assimp is a "library to import various
well-known 3D model formats in a uniform manner").

Fixes:

  http://autobuild.buildroot.net/results/a7d4fb2653b0f1be4d036ee46a44e72da0ed4376/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Thomas Petazzoni 2020-08-25 23:01:41 +02:00 committed by Yann E. MORIN
parent bcdb74512d
commit e235d8fc8b
1 changed files with 4 additions and 2 deletions
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6
package/assimp/assimp.mk
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@ -10,9 +10,11 @@ ASSIMP_LICENSE = BSD-3-Clause
ASSIMP_LICENSE_FILES = LICENSE
ASSIMP_INSTALL_STAGING = YES
# relocation truncated to fit: R_68K_GOT16O
# relocation truncated to fit: R_68K_GOT16O. We also need to disable
# optimizations to not run into "Error: value -43420 out of range"
# assembler issues.
ifeq ($(BR2_m68k),y)
ASSIMP_CXXFLAGS += -mxgot
ASSIMP_CXXFLAGS += -mxgot -O0
endif
# workaround SuperH compiler failure when static linking (i.e -fPIC is