forked from gflags/gflags
-
Notifications
You must be signed in to change notification settings - Fork 0
/
utils.cmake
207 lines (197 loc) · 7.74 KB
/
utils.cmake
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
## Utility CMake functions.
# ----------------------------------------------------------------------------
## Convert boolean value to 0 or 1
macro (bool_to_int VAR)
if (${VAR})
set (${VAR} 1)
else ()
set (${VAR} 0)
endif ()
endmacro ()
# ----------------------------------------------------------------------------
## Extract version numbers from version string
function (version_numbers version major minor patch)
if (version MATCHES "([0-9]+)(\\.[0-9]+)?(\\.[0-9]+)?(rc[1-9][0-9]*|[a-z]+)?")
if (CMAKE_MATCH_1)
set (_major ${CMAKE_MATCH_1})
else ()
set (_major 0)
endif ()
if (CMAKE_MATCH_2)
set (_minor ${CMAKE_MATCH_2})
string (REGEX REPLACE "^\\." "" _minor "${_minor}")
else ()
set (_minor 0)
endif ()
if (CMAKE_MATCH_3)
set (_patch ${CMAKE_MATCH_3})
string (REGEX REPLACE "^\\." "" _patch "${_patch}")
else ()
set (_patch 0)
endif ()
else ()
set (_major 0)
set (_minor 0)
set (_patch 0)
endif ()
set ("${major}" "${_major}" PARENT_SCOPE)
set ("${minor}" "${_minor}" PARENT_SCOPE)
set ("${patch}" "${_patch}" PARENT_SCOPE)
endfunction ()
# ----------------------------------------------------------------------------
## Determine if cache entry exists
macro (gflags_is_cached retvar varname)
if (DEFINED ${varname})
get_property (${retvar} CACHE ${varname} PROPERTY TYPE SET)
else ()
set (${retvar} FALSE)
endif ()
endmacro ()
# ----------------------------------------------------------------------------
## Add gflags configuration variable
#
# The default value of the (cached) configuration value can be overridden either
# on the CMake command-line or the super-project by setting the GFLAGS_<varname>
# variable. When gflags is a subproject of another project (GFLAGS_IS_SUBPROJECT),
# the variable is not added to the CMake cache. Otherwise it is cached.
macro (gflags_define type varname docstring default)
# note that ARGC must be expanded here, as it is not a "real" variable
# (see the CMake documentation for the macro command)
if ("${ARGC}" GREATER 5)
message (FATAL_ERROR "gflags_variable: Too many macro arguments")
endif ()
if (NOT DEFINED GFLAGS_${varname})
if (DEFINED ${varname})
set (GFLAGS_${varname} "${${varname}}")
else ()
if (GFLAGS_IS_SUBPROJECT AND "${ARGC}" EQUAL 5)
set (GFLAGS_${varname} "${ARGV4}")
else ()
set (GFLAGS_${varname} "${default}")
endif ()
endif ()
endif ()
if (GFLAGS_IS_SUBPROJECT)
set (${varname} "${GFLAGS_${varname}}")
else ()
set (${varname} "${GFLAGS_${varname}}" CACHE ${type} "${docstring}")
endif ()
endmacro ()
# ----------------------------------------------------------------------------
## Set property of cached gflags configuration variable
macro (gflags_property varname property value)
gflags_is_cached (_cached ${varname})
if (_cached)
# note that property must be expanded here, as it is not a "real" variable
# (see the CMake documentation for the macro command)
if ("${property}" STREQUAL "ADVANCED")
if (${value})
mark_as_advanced (FORCE ${varname})
else ()
mark_as_advanced (CLEAR ${varname})
endif ()
else ()
set_property (CACHE ${varname} PROPERTY "${property}" "${value}")
endif ()
endif ()
unset (_cached)
endmacro ()
# ----------------------------------------------------------------------------
## Modify value of gflags configuration variable
macro (gflags_set varname value)
gflags_is_cached (_cached ${varname})
if (_cached)
set_property (CACHE ${varname} PROPERTY VALUE "${value}")
else ()
set (${varname} "${value}")
endif ()
unset (_cached)
endmacro ()
# ----------------------------------------------------------------------------
## Configure public header files
function (configure_headers out)
set (tmp)
foreach (src IN LISTS ARGN)
if (IS_ABSOLUTE "${src}")
list (APPEND tmp "${src}")
elseif (EXISTS "${PROJECT_SOURCE_DIR}/src/${src}.in")
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}.in" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" @ONLY)
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
else ()
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" COPYONLY)
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
endif ()
endforeach ()
set (${out} "${tmp}" PARENT_SCOPE)
endfunction ()
# ----------------------------------------------------------------------------
## Configure source files with .in suffix
function (configure_sources out)
set (tmp)
foreach (src IN LISTS ARGN)
if (src MATCHES ".h$" AND EXISTS "${PROJECT_SOURCE_DIR}/src/${src}.in")
configure_file ("${PROJECT_SOURCE_DIR}/src/${src}.in" "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}" @ONLY)
list (APPEND tmp "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/${src}")
else ()
list (APPEND tmp "${PROJECT_SOURCE_DIR}/src/${src}")
endif ()
endforeach ()
set (${out} "${tmp}" PARENT_SCOPE)
endfunction ()
# ----------------------------------------------------------------------------
## Add usage test
#
# Using PASS_REGULAR_EXPRESSION and FAIL_REGULAR_EXPRESSION would
# do as well, but CMake/CTest does not allow us to specify an
# expected exit status. Moreover, the execute_test.cmake script
# sets environment variables needed by the --fromenv/--tryfromenv tests.
macro (add_gflags_test name expected_rc expected_output unexpected_output cmd)
set (args "--test_tmpdir=${PROJECT_BINARY_DIR}/Testing/Temporary"
"--srcdir=${PROJECT_SOURCE_DIR}/test")
add_test (
NAME ${name}
COMMAND "${CMAKE_COMMAND}" "-DCOMMAND:STRING=$<TARGET_FILE:${cmd}>;${args};${ARGN}"
"-DEXPECTED_RC:STRING=${expected_rc}"
"-DEXPECTED_OUTPUT:STRING=${expected_output}"
"-DUNEXPECTED_OUTPUT:STRING=${unexpected_output}"
-P "${PROJECT_SOURCE_DIR}/cmake/execute_test.cmake"
WORKING_DIRECTORY "${GFLAGS_FLAGFILES_DIR}"
)
endmacro ()
# ------------------------------------------------------------------------------
## Register installed package with CMake
#
# This function adds an entry to the CMake registry for packages with the
# path of the directory where the package configuration file of the installed
# package is located in order to help CMake find the package in a custom
# installation prefix. This differs from CMake's export(PACKAGE) command
# which registers the build directory instead.
function (register_gflags_package CONFIG_DIR)
if (NOT IS_ABSOLUTE "${CONFIG_DIR}")
set (CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/${CONFIG_DIR}")
endif ()
string (MD5 REGISTRY_ENTRY "${CONFIG_DIR}")
if (WIN32)
install (CODE
"execute_process (
COMMAND reg add \"HKCU\\\\Software\\\\Kitware\\\\CMake\\\\Packages\\\\${PACKAGE_NAME}\" /v \"${REGISTRY_ENTRY}\" /d \"${CONFIG_DIR}\" /t REG_SZ /f
RESULT_VARIABLE RT
ERROR_VARIABLE ERR
OUTPUT_QUIET
)
if (RT EQUAL 0)
message (STATUS \"Register: Added HKEY_CURRENT_USER\\\\Software\\\\Kitware\\\\CMake\\\\Packages\\\\${PACKAGE_NAME}\\\\${REGISTRY_ENTRY}\")
else ()
string (STRIP \"\${ERR}\" ERR)
message (STATUS \"Register: Failed to add registry entry: \${ERR}\")
endif ()"
)
elseif (IS_DIRECTORY "$ENV{HOME}")
file (WRITE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-registry-entry" "${CONFIG_DIR}")
install (
FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-registry-entry"
DESTINATION "$ENV{HOME}/.cmake/packages/${PACKAGE_NAME}"
RENAME "${REGISTRY_ENTRY}"
)
endif ()
endfunction ()