
committed by
Max Kellermann

parent
f15b6a43d3
commit
509786cbf1
@@ -35,7 +35,26 @@ set(CMAKE_CXX_FLAGS_INIT "{toolchain.cxxflags} {toolchain.cppflags}")
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__write_cmake_compiler(f, 'C', toolchain.cc)
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__write_cmake_compiler(f, 'CXX', toolchain.cxx)
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if cmake_system_name == 'Windows':
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if cmake_system_name == 'Darwin':
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# On macOS, cmake forcibly adds an "-isysroot" flag even if
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# one is already present in the flags variable; this breaks
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# cross-compiling for iOS, and can be worked around by setting
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# the CMAKE_OSX_SYSROOT variable
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# (https://cmake.org/cmake/help/latest/variable/CMAKE_OSX_SYSROOT.html).
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m = re.search(r'-isysroot +(\S+)', toolchain.cflags)
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if m:
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sysroot = m.group(1)
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print(f'set(CMAKE_OSX_SYSROOT {sysroot})', file=f)
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# search libraries and headers only in the sysroot, not on
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# the build host
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f.write(f"""
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set(CMAKE_FIND_ROOT_PATH "{toolchain.install_prefix};{sysroot}")
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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""")
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elif cmake_system_name == 'Windows':
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# search libraries and headers only in the sysroot, not on
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# the build host
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f.write(f"""
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