Bug#830748: supertuxkart: FTBFS on arm64, mips/mips64/mipsel, ppc64el, s390x

[Vincent Cheng]

Package: supertuxkart
Version: 0.9.2-1
Severity: serious
Justification: fails to build from source (but built successfully in the past)

supertuxkart/0.9.2-1 FTBFS on arm64, mips/mips64/mipsel, ppc64el, and
s390x; full build log at [1], and here's the relevant part of the log:

[  9%] Building CXX object
lib/irrlicht/CMakeFiles/stkirrlicht.dir/source/Irrlicht/CGUIMeshViewer.cpp.o
cd /«PKGBUILDDIR»/obj-aarch64-linux-gnu/lib/irrlicht && /usr/bin/c++
-DGLEW_NO_GLU -DIRRLICHT_EXPORTS=1 -DNDEBUG=1
-DNO_IRR_LINUX_X11_VIDMODE_ -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES
-DPNG_THREAD_UNSAFE_OK -D_IRR_LINUX_X11_RANDR_
-I/«PKGBUILDDIR»/lib/bullet/src -I/«PKGBUILDDIR»/lib/glew/include
-I/«PKGBUILDDIR»/lib/irrlicht/include  -g -O2 -fstack-protector-strong
-Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2
-Wall -pipe -O3  -fno-exceptions  -fstrict-aliasing
-I/usr/X11R6/include -Wall -pipe -O3  -fno-exceptions
-fstrict-aliasing -I/usr/X11R6/include -fexpensive-optimizations -O2
-DNDEBUG   -o CMakeFiles/stkirrlicht.dir/source/Irrlicht/CGUIMeshViewer.cpp.o
-c /«PKGBUILDDIR»/lib/irrlicht/source/Irrlicht/CGUIMeshViewer.cpp
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp: In
function 'asQWORD X64_CallFunction(const asQWORD*, int, funcptr_t,
asQWORD&, bool)':
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%rcx' in 'asm'
     "%rdi", "%rsi", "%rax", "%rdx", "%rcx", "%r8", "%r9", "%r10",
"%r11", "%r15");

           ^
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%rdx' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%rax' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%rsi' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%rdi' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm7' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm6' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm5' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm4' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm3' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm2' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm1' in 'asm'
/«PKGBUILDDIR»/lib/angelscript/source/as_callfunc_x64_gcc.cpp:162:82:
error: unknown register name '%xmm0' in 'asm'


It looks like angelscript is misdetecting certain architectures as x86
and hence applying the wrong assembly directives. It's worth checking
first to see if there's a fix for this in upstream angelscript before
fixing it in supertuxkart. I'll take a look at this when I have time,
but help is greatly appreciated if someone has a chance to tackle this
before I do.

Regards,
Vincent

[1] https://buildd.debian.org/status/package.php?p=supertuxkart&suite=unstable