blob: c2a653c85f021038f5d51b8f3f926a1ec2659e5b (
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
#
# Copyright 2017 The Abseil Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
include(CMakeParseArguments)
# The IDE folder for Abseil that will be used if Abseil is included in a CMake
# project that sets
# set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# For example, Visual Studio supports folders.
set(ABSL_IDE_FOLDER Abseil)
#
# create a library in the absl namespace
#
# parameters
# SOURCES : sources files for the library
# PUBLIC_LIBRARIES: targets and flags for linking phase
# PRIVATE_COMPILE_FLAGS: compile flags for the library. Will not be exported.
# EXPORT_NAME: export name for the absl:: target export
# TARGET: target name
#
# create a target associated to <NAME>
# libraries are installed under CMAKE_INSTALL_FULL_LIBDIR by default
#
function(absl_library)
cmake_parse_arguments(ABSL_LIB
"DISABLE_INSTALL" # keep that in case we want to support installation one day
"TARGET;EXPORT_NAME"
"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS"
${ARGN}
)
set(_NAME ${ABSL_LIB_TARGET})
string(TOUPPER ${_NAME} _UPPER_NAME)
add_library(${_NAME} STATIC ${ABSL_LIB_SOURCES})
target_compile_options(${_NAME} PRIVATE ${ABSL_COMPILE_CXXFLAGS} ${ABSL_LIB_PRIVATE_COMPILE_FLAGS})
target_link_libraries(${_NAME} PUBLIC ${ABSL_LIB_PUBLIC_LIBRARIES})
target_include_directories(${_NAME}
PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_LIB_PUBLIC_INCLUDE_DIRS}
PRIVATE ${ABSL_LIB_PRIVATE_INCLUDE_DIRS}
)
# Add all Abseil targets to a a folder in the IDE for organization.
set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
if(ABSL_LIB_EXPORT_NAME)
add_library(absl::${ABSL_LIB_EXPORT_NAME} ALIAS ${_NAME})
endif()
endfunction()
#
# header only virtual target creation
#
function(absl_header_library)
cmake_parse_arguments(ABSL_HO_LIB
"DISABLE_INSTALL"
"EXPORT_NAME;TARGET"
"PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS"
${ARGN}
)
set(_NAME ${ABSL_HO_LIB_TARGET})
set(__dummy_header_only_lib_file "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}_header_only_dummy.cc")
if(NOT EXISTS ${__dummy_header_only_lib_file})
file(WRITE ${__dummy_header_only_lib_file}
"/* generated file for header-only cmake target */
namespace absl {
// single meaningless symbol
void ${_NAME}__header_fakesym() {}
} // namespace absl
"
)
endif()
add_library(${_NAME} ${__dummy_header_only_lib_file})
target_link_libraries(${_NAME} PUBLIC ${ABSL_HO_LIB_PUBLIC_LIBRARIES})
target_include_directories(${_NAME}
PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_HO_LIB_PUBLIC_INCLUDE_DIRS}
PRIVATE ${ABSL_HO_LIB_PRIVATE_INCLUDE_DIRS}
)
# Add all Abseil targets to a a folder in the IDE for organization.
set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
if(ABSL_HO_LIB_EXPORT_NAME)
add_library(absl::${ABSL_HO_LIB_EXPORT_NAME} ALIAS ${_NAME})
endif()
endfunction()
#
# create an abseil unit_test and add it to the executed test list
#
# parameters
# TARGET: target name prefix
# SOURCES: sources files for the tests
# PUBLIC_LIBRARIES: targets and flags for linking phase.
# PRIVATE_COMPILE_FLAGS: compile flags for the test. Will not be exported.
#
# create a target associated to <NAME>_bin
#
# all tests will be register for execution with add_test()
#
# test compilation and execution is disable when BUILD_TESTING=OFF
#
function(absl_test)
cmake_parse_arguments(ABSL_TEST
""
"TARGET"
"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS"
${ARGN}
)
if(BUILD_TESTING)
set(_NAME ${ABSL_TEST_TARGET})
string(TOUPPER ${_NAME} _UPPER_NAME)
add_executable(${_NAME}_bin ${ABSL_TEST_SOURCES})
target_compile_options(${_NAME}_bin PRIVATE ${ABSL_COMPILE_CXXFLAGS} ${ABSL_TEST_PRIVATE_COMPILE_FLAGS})
target_link_libraries(${_NAME}_bin PUBLIC ${ABSL_TEST_PUBLIC_LIBRARIES} ${ABSL_TEST_COMMON_LIBRARIES})
target_include_directories(${_NAME}_bin
PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_TEST_PUBLIC_INCLUDE_DIRS}
PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
)
# Add all Abseil targets to a a folder in the IDE for organization.
set_property(TARGET ${_NAME}_bin PROPERTY FOLDER ${ABSL_IDE_FOLDER})
add_test(${_NAME} ${_NAME}_bin)
endif(BUILD_TESTING)
endfunction()
function(check_target my_target)
if(NOT TARGET ${my_target})
message(FATAL_ERROR " ABSL: compiling absl requires a ${my_target} CMake target in your project,
see CMake/README.md for more details")
endif(NOT TARGET ${my_target})
endfunction()
|
