BUG#530: Using #error to report a nice error message if the C compiler is set to a C++ compiler.
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@ -5,7 +5,11 @@
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# any makefiles or projects.
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IF(NOT CMAKE_C_COMPILER_WORKS)
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MESSAGE(STATUS "Check for working C compiler: ${CMAKE_C_COMPILER}")
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FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeTmp/testCCompiler.c "int main(){return 0;}\n")
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FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeTmp/testCCompiler.c
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"#ifdef __cplusplus\n"
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"# error \"The CMAKE_C_COMPILER is set to a C++ compiler\"\n"
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"#endif\n"
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"int main(){return 0;}\n")
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TRY_COMPILE(CMAKE_C_COMPILER_WORKS ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}/CMakeTmp/testCCompiler.c
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OUTPUT_VARIABLE OUTPUT)
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