blob: 7b1a312c03bc35400ba74af56ff9ac909b277841 (
plain)
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
cmake_minimum_required(VERSION 3.0)
get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(NOT _isMultiConfig AND NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build")
endif()
project(ConfigSources CXX)
# Source file(s) named with the configuration(s).
file(GENERATE
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/config_$<CONFIG>.cpp"
CONTENT [[
#if defined(_WIN32) && defined(OBJ_SHARED)
__declspec(dllexport)
#endif
void config_$<CONFIG>() {}
]]
)
# Per-config sources via INTERFACE_SOURCES.
add_library(iface INTERFACE)
target_sources(iface INTERFACE
"${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp"
"$<$<CONFIG:Debug>:${CMAKE_CURRENT_SOURCE_DIR}/iface_debug_src.cpp>"
"$<$<NOT:$<CONFIG:Debug>>:${CMAKE_CURRENT_SOURCE_DIR}/iface_other_src.cpp>"
"$<$<CONFIG:NotAConfig>:${CMAKE_CURRENT_SOURCE_DIR}/does_not_exist.cpp>"
)
target_compile_definitions(iface INTERFACE
"$<$<CONFIG:Debug>:CFG_DEBUG>"
"$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>"
)
add_executable(ConfigSources
$<$<CONFIG:Debug>:main_debug.cpp>
$<$<NOT:$<CONFIG:Debug>>:main_other.cpp>
$<$<CONFIG:NotAConfig>:does_not_exist.cpp>
${CMAKE_CURRENT_BINARY_DIR}/config_$<CONFIG>.cpp
)
target_link_libraries(ConfigSources iface)
# Per-config sources via LINK_LIBRARIES.
add_library(iface_debug INTERFACE)
target_sources(iface_debug INTERFACE
"${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp"
"${CMAKE_CURRENT_SOURCE_DIR}/iface_debug_src.cpp"
)
add_library(iface_other INTERFACE)
target_sources(iface_other INTERFACE
"${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp"
"${CMAKE_CURRENT_SOURCE_DIR}/iface_other_src.cpp"
)
add_executable(ConfigSourcesLink main.cpp)
target_compile_definitions(ConfigSourcesLink PRIVATE
"$<$<CONFIG:Debug>:CFG_DEBUG>"
"$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>"
)
target_link_libraries(ConfigSourcesLink PRIVATE
"$<$<CONFIG:Debug>:iface_debug>"
"$<$<NOT:$<CONFIG:Debug>>:iface_other>"
"$<$<CONFIG:NotAConfig>:iface_does_not_exist>"
)
# Per-config sources via INTERFACE_LINK_LIBRARIES.
add_library(ConfigSourcesIface INTERFACE)
target_link_libraries(ConfigSourcesIface INTERFACE
"$<$<CONFIG:Debug>:iface_debug>"
"$<$<NOT:$<CONFIG:Debug>>:iface_other>"
"$<$<CONFIG:NotAConfig>:iface_does_not_exist>"
)
add_executable(ConfigSourcesLinkIface main.cpp)
target_compile_definitions(ConfigSourcesLinkIface PRIVATE
"$<$<CONFIG:Debug>:CFG_DEBUG>"
"$<$<NOT:$<CONFIG:Debug>>:CFG_OTHER>"
)
target_link_libraries(ConfigSourcesLinkIface ConfigSourcesIface)
# A target with sources in only one configuration that is not the
# first in CMAKE_CONFIGURATION_TYPES.
if(CMAKE_CONFIGURATION_TYPES MATCHES ";([^;]+)")
set(one_config "${CMAKE_MATCH_1}")
else()
set(one_config "${CMAKE_BUILD_TYPE}")
endif()
add_library(OneConfigOnly OBJECT "$<$<CONFIG:${one_config}>:${CMAKE_CURRENT_SOURCE_DIR}/iface_src.cpp>")
set_property(TARGET OneConfigOnly PROPERTY LINKER_LANGUAGE CXX)
# ---------------------------------------------------------------------------
# Makes sure that each configuration uses the correct generated file.
add_library(ObjLibFromGeneratedSources OBJECT)
set_property(TARGET ObjLibFromGeneratedSources PROPERTY POSITION_INDEPENDENT_CODE 1)
target_compile_definitions(ObjLibFromGeneratedSources PRIVATE OBJ_SHARED)
target_sources(ObjLibFromGeneratedSources PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/config_$<CONFIG>.cpp)
add_library(SharedLibFromObjLibFromGeneratedSources SHARED shared.cpp)
target_link_libraries(SharedLibFromObjLibFromGeneratedSources PRIVATE ObjLibFromGeneratedSources)
|
