forked from opencv/opencv
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathOpenCVPCHSupport.cmake
418 lines (329 loc) · 14.9 KB
/
OpenCVPCHSupport.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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
# taken from http://public.kitware.com/Bug/view.php?id=1260 and slightly adjusted
# - Try to find precompiled headers support for GCC 3.4 and 4.x
# Once done this will define:
#
# Variable:
# PCHSupport_FOUND
#
# Macro:
# ADD_PRECOMPILED_HEADER _targetName _input _dowarn
# ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use _dowarn
# ADD_NATIVE_PRECOMPILED_HEADER _targetName _input _dowarn
# GET_NATIVE_PRECOMPILED_HEADER _targetName _input
IF(CV_GCC)
IF(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.2.0")
SET(PCHSupport_FOUND TRUE)
ENDIF()
SET(_PCH_include_prefix "-I")
SET(_PCH_isystem_prefix "-isystem")
SET(_PCH_define_prefix "-D")
ELSEIF(CMAKE_GENERATOR MATCHES "^Visual.*$")
SET(PCHSupport_FOUND TRUE)
SET(_PCH_include_prefix "/I")
SET(_PCH_isystem_prefix "/I")
SET(_PCH_define_prefix "/D")
ELSE()
SET(PCHSupport_FOUND FALSE)
ENDIF()
MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(${_out_compile_flags} ${${_flags_var_name}} )
IF(CV_GCC)
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
IF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
LIST(APPEND ${_out_compile_flags} "-fPIC")
ENDIF()
# Processed via $<TARGET_PROPERTY:target,COMPILE_DEFINITIONS>
#GET_PROPERTY(_definitions DIRECTORY PROPERTY COMPILE_DEFINITIONS)
#GET_TARGET_PROPERTY(_target_definitions ${_PCH_current_target} COMPILE_DEFINITIONS)
GET_TARGET_PROPERTY(_cxx_standard ${_PCH_current_target} CXX_STANDARD)
if (_cxx_standard)
GET_TARGET_PROPERTY(_cxx_extensions ${_PCH_current_target} CXX_EXTENSIONS)
if (_cxx_extensions)
LIST(APPEND ${_out_compile_flags} "${CMAKE_CXX${_cxx_standard}_EXTENSION_COMPILE_OPTION}")
else()
LIST(APPEND ${_out_compile_flags} "${CMAKE_CXX${_cxx_standard}_STANDARD_COMPILE_OPTION}")
endif()
endif()
ELSE()
## TODO ... ? or does it work out of the box
ENDIF()
GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES )
FOREACH(item ${DIRINC})
ocv_is_opencv_directory(__result ${item})
if(__result)
LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}\"${item}\"")
elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
item MATCHES "/usr/include$")
# workaround for GCC 6.x bug
else()
LIST(APPEND ${_out_compile_flags} "${_PCH_isystem_prefix}\"${item}\"")
endif()
ENDFOREACH(item)
get_target_property(DIRINC ${_PCH_current_target} INCLUDE_DIRECTORIES )
FOREACH(item ${DIRINC})
ocv_is_opencv_directory(__result ${item})
if(__result)
LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}\"${item}\"")
elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
item MATCHES "/usr/include$")
# workaround for GCC 6.x bug
else()
LIST(APPEND ${_out_compile_flags} "${_PCH_isystem_prefix}\"${item}\"")
endif()
ENDFOREACH(item)
LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
SEPARATE_ARGUMENTS(${_out_compile_flags})
ENDMACRO(_PCH_GET_COMPILE_FLAGS)
MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)
set(${_dephelp} "${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx")
set(_content "")
if(EXISTS "${${_dephelp}}")
file(READ "${${_dephelp}}" _content)
endif()
set(_dummy_str
"#include \"${_include_file}\"
int testfunction();
int testfunction()
{
return 0;
}
")
if(NOT _content STREQUAL _dummy_str)
file(WRITE "${${_dephelp}}" "${_dummy_str}")
endif()
ENDMACRO(_PCH_WRITE_PCHDEP_CXX )
MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
FILE(TO_NATIVE_PATH ${_input} _native_input)
FILE(TO_NATIVE_PATH ${_output} _native_output)
if(CV_GCC)
IF(CMAKE_CXX_COMPILER_ARG1)
# remove leading space in compiler argument
STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
SET(${out_command}
${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} -c ${_input}
)
ELSE(CMAKE_CXX_COMPILER_ARG1)
SET(${out_command}
${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} -c ${_input}
)
ENDIF(CMAKE_CXX_COMPILER_ARG1)
ELSE()
SET(_dummy_str "#include <${_input}>")
FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str})
SET(${out_command}
${CMAKE_CXX_COMPILER} ${_compile_FLAGS} /c /Fp${_native_output} /Yc${_native_input} pch_dummy.cpp
)
#/out:${_output}
ENDIF()
ENDMACRO(_PCH_GET_COMPILE_COMMAND )
MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
IF(CV_GCC)
# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
# on all remote machines set
# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
# if you want warnings for invalid header files (which is very inconvenient
# if you have different versions of the headers for different build types
# you may set _pch_dowarn
IF (_dowarn)
SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -Winvalid-pch " )
ELSE (_dowarn)
SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} " )
ENDIF (_dowarn)
ELSE()
set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
ENDIF()
ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH)
SET(${_output} "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.gch")
ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
# to do: test whether compiler flags match between target _targetName
# and _pch_output_to_use
GET_FILENAME_COMPONENT(_name ${_input} NAME)
IF(ARGN STREQUAL "0")
SET(_dowarn 0)
ELSE()
SET(_dowarn 1)
ENDIF()
_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
#MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
if(CV_GCC)
set(_target_cflags "${_target_cflags} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_name}\"")
endif()
GET_TARGET_PROPERTY(_sources ${_targetName} SOURCES)
FOREACH(src ${_sources})
if(NOT "${src}" MATCHES "\\.mm$" AND NOT "${src}" MATCHES "\\.rc$")
get_source_file_property(_flags "${src}" COMPILE_FLAGS)
get_source_file_property(_flags2 "${src}" COMPILE_DEFINITIONS)
if(NOT _flags AND NOT _flags2)
set_source_files_properties("${src}" PROPERTIES COMPILE_FLAGS "${_target_cflags}")
else()
#ocv_debug_message("Skip PCH, flags: ${oldProps} defines: ${oldProps2}, file: ${src}")
endif()
endif()
ENDFOREACH()
ADD_CUSTOM_TARGET(pch_Generate_${_targetName}
DEPENDS ${_pch_output_to_use}
)
ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName} )
ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
SET(_PCH_current_target ${_targetName})
IF(NOT CMAKE_BUILD_TYPE)
MESSAGE(FATAL_ERROR
"This is the ADD_PRECOMPILED_HEADER macro. "
"You must set CMAKE_BUILD_TYPE!"
)
ENDIF()
IF(ARGN STREQUAL "0")
SET(_dowarn 0)
ELSE()
SET(_dowarn 1)
ENDIF()
GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH)
GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output)
_PCH_WRITE_PCHDEP_CXX(${_targetName} "${_input}" _pch_dephelp_cxx)
ADD_LIBRARY(${_targetName}_pch_dephelp STATIC "${_pch_dephelp_cxx}" "${_input}" )
set_target_properties(${_targetName}_pch_dephelp PROPERTIES
DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
ARCHIVE_OUTPUT_DIRECTORY "${LIBRARY_OUTPUT_PATH}"
)
_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
list(APPEND _compile_FLAGS "${_PCH_include_prefix}\"${_path}\"")
get_target_property(type ${_targetName} TYPE)
if(type STREQUAL "SHARED_LIBRARY")
get_target_property(__DEFINES ${_targetName} DEFINE_SYMBOL)
if(NOT __DEFINES MATCHES __DEFINES-NOTFOUND)
list(APPEND _compile_FLAGS "${_PCH_define_prefix}${__DEFINES}")
endif()
endif()
if(type STREQUAL "SHARED_LIBRARY" OR type STREQUAL "STATIC_LIBRARY")
get_target_property(__pic ${_targetName} POSITION_INDEPENDENT_CODE)
if(__pic AND CMAKE_CXX_COMPILE_OPTIONS_PIC
AND NOT OPENCV_SKIP_PCH_PIC_HANDLING
AND NOT OPENCV_SKIP_PCH_PIC_HANDLING_${_targetName}
)
list(APPEND _compile_FLAGS "${CMAKE_CXX_COMPILE_OPTIONS_PIC}")
endif()
elseif(type STREQUAL "EXECUTABLE")
get_target_property(__pie ${_targetName} POSITION_INDEPENDENT_CODE)
if(__pie AND CMAKE_CXX_COMPILE_OPTIONS_PIE
AND NOT OPENCV_SKIP_PCH_PIE_HANDLING
AND NOT OPENCV_SKIP_PCH_PIE_HANDLING_${_targetName}
)
list(APPEND _compile_FLAGS "${CMAKE_CXX_COMPILE_OPTIONS_PIE}")
endif()
endif()
get_target_property(DIRINC ${_targetName} INCLUDE_DIRECTORIES)
set_target_properties(${_targetName}_pch_dephelp PROPERTIES INCLUDE_DIRECTORIES "${DIRINC}")
#MESSAGE("_compile_FLAGS: ${_compile_FLAGS}")
#message("COMMAND ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}")
ADD_CUSTOM_COMMAND(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_name}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_input}" "${CMAKE_CURRENT_BINARY_DIR}/${_name}" # ensure same directory! Required by gcc
DEPENDS "${_input}"
)
#message("_command ${_input} ${_output}")
_PCH_GET_COMPILE_COMMAND(_command ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_output} )
set(_pch_generate_file_cmd "${CMAKE_CURRENT_BINARY_DIR}/${_name}.command.sh")
string(REPLACE " " "\\ " _command "${_command}")
string(REPLACE ";" " " _command "${_command}")
file(GENERATE OUTPUT "${_pch_generate_file_cmd}" CONTENT "#!/bin/sh
if [ -n \"$VERBOSE\" ]; then
tail -n1 \$0
fi
${_command} '-D$<JOIN:$<TARGET_PROPERTY:${_targetName},COMPILE_DEFINITIONS>,' '-D>'
")
GET_FILENAME_COMPONENT(_outdir ${_output} PATH)
if(NOT CMAKE_HOST_WIN32) # chmod may be not available on Win32/MinGW (and it is not required)
set(_pch_prepare_command COMMAND chmod +x "${_pch_generate_file_cmd}")
endif()
ADD_CUSTOM_COMMAND(
OUTPUT "${_output}"
COMMAND ${CMAKE_COMMAND} -E make_directory "${_outdir}"
${_pch_prepare_command}
COMMAND "${_pch_generate_file_cmd}"
DEPENDS "${_input}" "${_pch_generate_file_cmd}"
DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/${_name}"
DEPENDS ${_targetName}_pch_dephelp
)
ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn})
ENDMACRO(ADD_PRECOMPILED_HEADER)
# Generates the use of precompiled in a target,
# without using dependency targets (2 extra for each target)
# Using Visual, must also add ${_targetName}_pch to sources
# Not needed by Xcode
MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
if(ENABLE_PRECOMPILED_HEADERS)
if(CMAKE_GENERATOR MATCHES "^Visual.*$"
AND (CMAKE_VERSION VERSION_LESS "3.16" OR OPENCV_SKIP_CMAKE_BUILTIN_PCH)) # with 3.16+ we use target_precompile_headers
set(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cpp)
endif()
endif()
ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER)
MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
IF(ARGN STREQUAL "0")
SET(_dowarn 0)
ELSE()
SET(_dowarn 1)
ENDIF()
if(CMAKE_GENERATOR MATCHES "^Visual.*$")
# Auto include the precompile (useful for moc processing, since the use of
# precompiled is specified at the target level
# and I don't want to specify /F- for each moc/res/ui generated files (using Qt)
get_target_property(_sources ${_targetName} SOURCES)
foreach(src ${_sources})
if("${src}" MATCHES "\\.c(pp|xx)?$")
get_source_file_property(oldProps "${src}" COMPILE_FLAGS)
get_source_file_property(oldProps2 "${src}" COMPILE_DEFINITIONS)
if(NOT oldProps AND NOT oldProps2)
set(newProperties "/Yu\"${_input}\" /FI\"${_input}\"")
set_source_files_properties("${src}" PROPERTIES COMPILE_FLAGS "${newProperties}")
else()
ocv_debug_message("Skip PCH, flags: ${oldProps} defines: ${oldProps2}, file: ${src}")
endif()
endif()
endforeach()
#also include ${oldProps} to have the same compile options
GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
if (oldProps MATCHES NOTFOUND)
SET(oldProps "")
endif()
SET_SOURCE_FILES_PROPERTIES(${${_targetName}_pch} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_input}\"")
set(_dummy_str "#include \"${_input}\"\n")
set(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cpp)
if(EXISTS ${${_targetName}_pch})
file(READ "${${_targetName}_pch}" _contents)
endif()
if(NOT _dummy_str STREQUAL "${_contents}")
file(WRITE ${${_targetName}_pch} ${_dummy_str})
endif()
elseif (CMAKE_GENERATOR MATCHES Xcode)
# For Xcode, cmake needs my patch to process
# GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties
# When building out of the tree, precompiled may not be located
# Use full path instead.
GET_FILENAME_COMPONENT(fullPath ${_input} ABSOLUTE)
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${fullPath}")
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
else()
#Fallback to the "old" precompiled support
#ADD_PRECOMPILED_HEADER(${_targetName} ${_input} ${_dowarn})
endif()
ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
macro(ocv_add_precompiled_header_to_target the_target pch_header)
if(PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS AND EXISTS "${pch_header}")
if(NOT CMAKE_VERSION VERSION_LESS "3.16" AND NOT OPENCV_SKIP_CMAKE_BUILTIN_PCH)
target_precompile_headers(${the_target} PRIVATE ${pch_header})
elseif(CMAKE_GENERATOR MATCHES "^Visual" OR CMAKE_GENERATOR MATCHES Xcode)
add_native_precompiled_header(${the_target} ${pch_header})
elseif(CV_GCC AND CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
add_precompiled_header(${the_target} ${pch_header})
endif()
endif()
endmacro()