blob: 0bfe20c100288381a843125aa69372c08f98cba4 [file] [log] [blame]
# add the library that runs
add_library(MathFunctions MathFunctions.cxx)
# state that anybody linking to us needs to include the current source dir
# to find MathFunctions.h, while we don't.
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
if(USE_MYMATH)
target_compile_definitions(MathFunctions PRIVATE "USE_MYMATH")
# first we add the executable that generates the table
add_executable(MakeTable MakeTable.cxx)
# add the command to generate the source code
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/Table.h
COMMAND MakeTable ${CMAKE_CURRENT_BINARY_DIR}/Table.h
DEPENDS MakeTable
)
# library that just does sqrt
add_library(SqrtLibrary STATIC
mysqrt.cxx
${CMAKE_CURRENT_BINARY_DIR}/Table.h
)
# state that we depend on our binary dir to find Table.h
target_include_directories(SqrtLibrary PRIVATE
${CMAKE_CURRENT_BINARY_DIR}
)
# state that SqrtLibrary need PIC when the default is shared libraries
set_target_properties(SqrtLibrary PROPERTIES
POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
)
target_link_libraries(MathFunctions PRIVATE SqrtLibrary)
endif()
# define the symbol stating we are using the declspec(dllexport) when
# building on windows
target_compile_definitions(MathFunctions PRIVATE "EXPORTING_MYMATH")
# install rules
set(installable_libs MathFunctions)
if(TARGET SqrtLibrary)
list(APPEND installable_libs SqrtLibrary)
endif()
install(TARGETS ${installable_libs} DESTINATION lib)
install(FILES MathFunctions.h DESTINATION include)