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40 lines
1.1 KiB
40 lines
1.1 KiB
4 years ago
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project(unitybuild_c_and_cxx C CXX)
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set(srcs f.c)
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foreach(s RANGE 1 8)
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set(src_c "${CMAKE_CURRENT_BINARY_DIR}/s${s}.c")
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file(WRITE "${src_c}" "
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int f(int);\n
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int s${s}(void) { return f(${s}); }\n"
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)
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set(src_cxx "${CMAKE_CURRENT_BINARY_DIR}/s${s}.cxx")
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file(WRITE "${src_cxx}" "
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extern \"C\" { \n
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int f(int); \n
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}\n
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int s${s}(void) { return f(${s}); }\n"
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)
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list(APPEND srcs "${src_c}")
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list(APPEND srcs "${src_cxx}")
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endforeach()
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add_library(tgt SHARED ${srcs})
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set_target_properties(tgt PROPERTIES UNITY_BUILD ON
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UNITY_BUILD_MODE GROUP
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#UNITY_BUILD_BATCH_SIZE will be ignored
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UNITY_BUILD_BATCH_SIZE 2)
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set_source_files_properties(s1.c s2.c s3.c s4.c
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s1.cxx s2.cxx s3.cxx s4.cxx
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PROPERTIES UNITY_GROUP "a"
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)
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set_source_files_properties(s5.c s6.c s7.c s8.c
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s5.cxx s6.cxx s7.cxx s8.cxx
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PROPERTIES UNITY_GROUP "b"
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)
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