Debian 7 building error

[IsaacMvmv]

[283/564] Compiling engine/common/sequence.c
../engine/client/cl_main.c: In function 'CL_ReadNetMessage':
../engine/client/cl_main.c:2252:3: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
cc1: some warnings being treated as errors

../engine/client/cl_parse.c: In function 'CL_SendConsistencyInfo':
../engine/client/cl_parse.c:1520:4: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
cc1: some warnings being treated as errors

../engine/client/cl_efrag.c: In function 'R_AddEfrags':
../engine/client/cl_efrag.c:156:2: warning: passing argument 1 of 'Matrix3x4_TransformAABB' from incompatible pointer type [enabled by default]
In file included from ../engine/client/client.h:20:0,
                 from ../engine/client/cl_efrag.c:20:
../public/xash3d_mathlib.h:222:6: note: expected 'const vec_t (*)[4]' but argument is of type 'vec_t (*)[4]'

../engine/client/cl_pmove.c: In function 'CL_WaterEntity':
../engine/client/cl_pmove.c:620:4: warning: passing argument 1 of 'Matrix4x4_VectorITransform' from incompatible pointer type [enabled by default]
In file included from ../engine/client/client.h:20:0,
                 from ../engine/client/cl_pmove.c:17:
../public/xash3d_mathlib.h:233:6: note: expected 'const vec_t (*)[4]' but argument is of type 'vec_t (*)[4]'
../engine/client/cl_pmove.c: At top level:
../engine/client/cl_pmove.c:879:12: warning: function definition has qualified void return type [enabled by default]
../engine/client/cl_pmove.c: In function 'CL_RunUsercmd':
../engine/client/cl_pmove.c:963:17: warning: function with qualified void return type called [enabled by default]

./waf configure --build-type=release --enable-all-renderers
./waf build

Used debian wheezy gcc 4.7

[a1batross]

You can build with --disable-werror.

But it's better to upgrade your distro.

[IsaacMvmv]

Thanks, it worked
I wanted to build the engine for an old machine, that's why I used that old version :P

[IsaacMvmv]

Is there a way to build with specific rerderers? I want to discard gles, but at the same time build with all the other renderers (software, nanogl, opengl)

[IsaacMvmv]

ldd build/3rdparty/vgui_support/libvgui_support.so
	linux-gate.so.1 =>  (0xf7f91000)
	libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf7e79000)
	/root/xash3d-fwgs/3rdparty/vgui_support/vgui-dev/lib/vgui.so (0xf7e23000)
	libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xf7d36000)
	libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf7d10000)
	libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf7cf3000)
	libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7ba1000)
	/lib/ld-linux.so.2 (0xf7f93000)
	libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7b88000)
	libSDL2-2.0.so.0 => /usr/local/lib/libSDL2-2.0.so.0 (0xf79e9000)
	librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xf79e0000)

The linker doesn't work properly, this is sort of a duplicate of "FWGS/hlsdk-portable#267"

[a1batross]

I don't think I will bother adding a fix for legacy binutils there. You may try to upgrade binutils.

[a1batross]

Is there a way to build with specific rerderers? I want to discard gles, but at the same time build with all the other renderers (software, nanogl, opengl)

Yes, read waf configure --help.

[mittorn]

linker issue may be fixed manually by elf patching utilities, but this is only related to legacy ports. Building on such old disros is some kind of legacy port :)

[IsaacMvmv]

Yeah, you're right. I finally could build the thing, on debian 8, Jessie. I also built the legacy engine for a low quality counter strike (1.6) port to xash3d

[mittorn]

Also it is possible to build it with modern compiler+linker toolchain but for legacy sysroot, to keep ability using modern compiler optimizations. Just install libsdl2-dev in debian 5/6 chroot (but i prefer ubuntu 12.04 for this) and use it from host system with modern gcc/clang. Maybe some -fno-builtin-xxx options will be needed

[IsaacMvmv]

Oh, I didn't know that, thanks

[IsaacMvmv]

Alright, the engine works perfectly, thanks you all.