• Thierry Reding's avatar
    build: Don't cross-compile GLSL builtin compiler · 9948a336
    Thierry Reding authored
    The builtin_compiler binary is used during the build process to generate
    code for the builtin GLSL functions. Since this binary needs to be run
    on the build host, it must not be cross-compiled.
    
    This patch fixes the build system to compile a second version of the
    source files and the builtin_compiler binary itself for the build
    system. It does so by defining the CC_FOR_BUILD and CXX_FOR_BUILD
    variables, which are searched for by the configure script and point to
    the location of native C and C++ compilers.
    
    In order for this to work properly, builtin_function.cpp is removed
    from BUILT_SOURCES, otherwise the build system would try to generate it
    before having had a chance to descend into the builtin_compiler
    subdirectory. With the builtin_compiler and glsl_compiler now being
    generated at different stages, the build instructions for glsl_compiler
    can be simplified a bit.
    Signed-off-by: Thierry Reding's avatarThierry Reding <thierry.reding@avionic-design.de>
    Acked-by: Kenneth Graunke's avatarKenneth Graunke <kenneth@whitecape.org>
    9948a336
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