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40 lines
1.0 KiB
40 lines
1.0 KiB
add_library(MathFunctions mysqrt.cxx)
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# state that anybody linking to us needs to include the current source dir
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# to find MathFunctions.h, while we don't.
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target_include_directories(MathFunctions
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INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
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)
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# link our compiler flags interface library
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target_link_libraries(MathFunctions tutorial_compiler_flags)
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# does this system provide the log and exp functions?
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("
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#include <cmath>
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int main() {
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std::log(1.0);
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return 0;
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}
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" HAVE_LOG)
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check_cxx_source_compiles("
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#include <cmath>
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int main() {
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std::exp(1.0);
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return 0;
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}
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" HAVE_EXP)
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# add compile definitions
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if(HAVE_LOG AND HAVE_EXP)
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target_compile_definitions(MathFunctions
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PRIVATE "HAVE_LOG" "HAVE_EXP")
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endif()
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# install libs
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set(installable_libs MathFunctions tutorial_compiler_flags)
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install(TARGETS ${installable_libs} DESTINATION lib)
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# install include headers
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install(FILES MathFunctions.h DESTINATION include)
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