1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
# 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
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)
# 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")
include(MakeTable.cmake) # generates Table.h
# 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}
)
# link SqrtLibrary to tutorial_compiler_flags
target_link_libraries(SqrtLibrary PUBLIC tutorial_compiler_flags)
target_link_libraries(MathFunctions PRIVATE SqrtLibrary)
endif()
# link MathFunctions to tutorial_compiler_flags
target_link_libraries(MathFunctions PUBLIC tutorial_compiler_flags)
# define the symbol stating we are using the declspec(dllexport) when
# building on windows
target_compile_definitions(MathFunctions PRIVATE "EXPORTING_MYMATH")
# setup the version numbering
set_property(TARGET MathFunctions PROPERTY VERSION "1.0.0")
set_property(TARGET MathFunctions PROPERTY SOVERSION "1")
# install libs
set(installable_libs MathFunctions tutorial_compiler_flags)
if(TARGET SqrtLibrary)
list(APPEND installable_libs SqrtLibrary)
endif()
install(TARGETS ${installable_libs}
EXPORT MathFunctionsTargets
DESTINATION lib)
# install include headers
install(FILES MathFunctions.h DESTINATION include)
|
