remove test project
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@ -42,19 +42,12 @@
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find_program(CCACHE_FOUND ccache)
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if (CCACHE_FOUND)
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# Try to compile a test program with ccache, in order to verify if it really works. (needed on exotic setups)
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set(TEST_PROJECT "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp")
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file(WRITE "${TEST_PROJECT}/CMakeLists.txt" [=[
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cmake_minimum_required(VERSION 3.5)
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project(test)
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option (CCACHE "")
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file(WRITE "${CMAKE_SOURCE_DIR}/test.cpp" "int main() { return 0; }")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE}")
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add_executable(test test.cpp)
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]=])
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try_compile(RET "${TEST_PROJECT}/build" "${TEST_PROJECT}" "test" CMAKE_FLAGS -DCCACHE="${CCACHE_FOUND}")
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unset(TEST_PROJECT)
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if (${RET})
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# Create a temporary file with a simple program.
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set(TEMP_CPP_FILE "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/test-program.cpp")
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file(WRITE "${TEMP_CPP_FILE}" "int main() { return 0; }")
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# And run the found ccache on it.
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execute_process(COMMAND "${CCACHE_FOUND}" "${CMAKE_CXX_COMPILER}" "${TEMP_CPP_FILE}" RESULT_VARIABLE RET)
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if (${RET} EQUAL 0)
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# Success
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message(STATUS "Found usable ccache: ${CCACHE_FOUND}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_FOUND}")
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