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
|
#
# Copyright by The HDF Group.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED TRUE)
set (CMAKE_C_FLAGS "${CMAKE_C99_STANDARD_COMPILE_OPTION} ${CMAKE_C_FLAGS}")
set (CMAKE_C_FLAGS "${CMAKE_C_SANITIZER_FLAGS} ${CMAKE_C_FLAGS}")
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
message (VERBOSE "Warnings Configuration: C default: ${CMAKE_C_FLAGS}")
endif ()
#-----------------------------------------------------------------------------
# Compiler specific flags : Shouldn't there be compiler tests for these
#-----------------------------------------------------------------------------
if(WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "Intel")
set(_INTEL_WINDOWS 1)
endif()
if(WIN32 AND CMAKE_C_COMPILER_ID MATCHES "[Cc]lang" AND "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
set(_CLANG_MSVC_WINDOWS 1)
endif()
# Disable deprecation warnings for standard C functions.
# really only needed for newer versions of VS, but should
# not hurt other versions, and this will work into the
# future
if(MSVC OR _INTEL_WINDOWS OR _CLANG_MSVC_WINDOWS)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
else()
endif()
if(MSVC)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stack:10000000")
endif()
# MSVC 14.28 enables C5105, but the Windows SDK 10.0.18362.0 triggers it.
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 19.28)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -wd5105")
endif()
if(_CLANG_MSVC_WINDOWS AND "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Xlinker -stack:20000000")
endif()
if (CMAKE_COMPILER_IS_GNUCC)
set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
if (${HDF_CFG_NAME} MATCHES "Debug")
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Og -ftrapv -fno-common")
endif ()
else ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstdarg-opt")
endif ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.0)
#-----------------------------------------------------------------------------
# Option to allow the user to enable build extended diagnostics
#
# This should NOT be on by default as it can cause process issues.
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_BUILD_DIAGS "Enable color and URL extended diagnostic messages" OFF)
if (HDF5_ENABLE_BUILD_DIAGS)
message (STATUS "... default color and URL extended diagnostic messages enabled")
else ()
message (STATUS "... disable color and URL extended diagnostic messages")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-urls=never -fno-diagnostics-color")
endif ()
endif ()
endif ()
endif ()
#-----------------------------------------------------------------------------
# Option to allow the user to disable compiler warnings
#-----------------------------------------------------------------------------
option (HDF5_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" OFF)
if (HDF5_DISABLE_COMPILER_WARNINGS)
message (STATUS "....Compiler warnings are suppressed")
# MSVC uses /w to suppress warnings. It also complains if another
# warning level is given, so remove it.
if (MSVC)
set (HDF5_WARNINGS_BLOCKED 1)
string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W0")
endif ()
if (WIN32)
add_definitions (-D_CRT_SECURE_NO_WARNINGS)
endif ()
# Borland uses -w- to suppress warnings.
if (BORLAND)
set (HDF5_WARNINGS_BLOCKED 1)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
endif ()
# Most compilers use -w to suppress warnings.
if (NOT HDF5_WARNINGS_BLOCKED)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
endif ()
endif ()
#-----------------------------------------------------------------------------
# HDF5 library compile options
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Option to allow the user to interpret certain warnings as errors
#
# This should NOT be on by default as it can cause a lot of conflicts with
# new operating systems and compiler versions. Header files that are out of
# our control (MPI, HDFS, etc.) can also raise warnings.
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_WARNINGS_AS_ERRORS "Interpret some warnings as errors" OFF)
if (HDF5_ENABLE_WARNINGS_AS_ERRORS)
message (STATUS "...some warnings will be interpreted as errors")
endif ()
if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
list (APPEND HDF5_CMAKE_C_FLAGS "-erroff=%none -DBSD_COMP")
else ()
# General flags
#
# Note that some of the flags listed here really should be developer
# flags (listed in a separate variable, below) but we put them here
# because they are not raised by the current code and we'd like to
# know if they do start showing up.
#
# NOTE: Don't add -Wpadded here since we can't/won't fix the (many)
# warnings that are emitted. If you need it, add it at configure time.
if (CMAKE_C_COMPILER_ID STREQUAL "Intel")
if (_INTEL_WINDOWS)
ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-general")
else ()
ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general")
endif()
if (NOT _INTEL_WINDOWS)
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/15")
endif()
# this is just a failsafe
list (APPEND H5_CFLAGS "-finline-functions")
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 18.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/18")
endif()
endif()
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
# Add general CFlags for GCC versions 4.8 and above
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general")
endif ()
# gcc automatically inlines based on the optimization level
# this is just a failsafe
list (APPEND H5_CFLAGS "-finline-functions")
elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general")
elseif (CMAKE_C_COMPILER_ID STREQUAL "PGI")
list (APPEND HDF5_CMAKE_C_FLAGS "-Minform=inform")
endif ()
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
message (VERBOSE "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}")
endif ()
endif ()
#-----------------------------------------------------------------------------
# Option to allow the user to enable developer warnings
# Developer warnings (suggestions from gcc, not code problems)
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_DEV_WARNINGS "Enable HDF5 developer group warnings" OFF)
if (HDF5_ENABLE_DEV_WARNINGS)
message (STATUS "....HDF5 developer group warnings are enabled")
if (CMAKE_C_COMPILER_ID STREQUAL "Intel")
if (_INTEL_WINDOWS)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-developer-general")
else ()
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/developer-general")
endif ()
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general")
elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general")
endif ()
else ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general")
elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general")
endif ()
endif ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... Only needed for gcc 4.X
if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0 AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last")
endif ()
# Append more extra warning flags that only gcc 4.8+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8")
if (HDF5_ENABLE_DEV_WARNINGS)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8")
else ()
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8")
endif ()
endif ()
# Append more extra warning flags that only gcc 4.9+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9")
endif ()
# Append more extra warning flags that only gcc 5.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/5")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5")
endif ()
# Append more extra warning flags that only gcc 6.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/6")
endif ()
# Append more extra warning flags that only gcc 7.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/7")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-7")
if (HDF5_ENABLE_DEV_WARNINGS)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7")
#else ()
# ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7")
endif ()
endif ()
# Append more extra warning flags that only gcc 8.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/8")
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8")
if (HDF5_ENABLE_DEV_WARNINGS)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8")
else ()
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8")
endif ()
endif ()
# Append more extra warning flags that only gcc 9.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9")
endif ()
# Append more extra warning flags that only gcc 9.3+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.3)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9.3")
endif ()
# Append more extra warning flags that only gcc 10.x+ knows about
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.0)
if (HDF5_ENABLE_DEV_WARNINGS)
ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-10")
#else ()
# ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-10")
endif ()
endif ()
endif ()
#-----------------------------------------------------------------------------
# Option to allow the user to enable all warnings
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" ON)
if (HDF5_ENABLE_ALL_WARNINGS)
message (STATUS "....All Warnings are enabled")
if (MSVC)
if (HDF5_ENABLE_DEV_WARNINGS)
string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
list (APPEND HDF5_CMAKE_C_FLAGS "/Wall" "/wd4668")
else ()
string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
list (APPEND HDF5_CMAKE_C_FLAGS "/W3" "/wd4100" "/wd4706" "/wd4127")
endif ()
else ()
list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS})
endif ()
endif ()
#-----------------------------------------------------------------------------
# This is in here to help some of the GCC based IDES like Eclipse
# and code blocks parse the compiler errors and warnings better.
#-----------------------------------------------------------------------------
if (CMAKE_COMPILER_IS_GNUCC)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmessage-length=0")
endif ()
#-----------------------------------------------------------------------------
# Option for --enable-asserts
# By default, CMake adds NDEBUG to CMAKE_${lang}_FLAGS for Release build types
# This option will force/override the default setting for all configurations
#-----------------------------------------------------------------------------
#option (HDF5_ENABLE_ASSERTS "Determines whether NDEBUG is defined to control assertions." OFF)
set (HDF5_ENABLE_ASSERTS "OFF" CACHE STRING "Determines whether NDEBUG is defined to control assertions (OFF NO YES)")
set_property (CACHE HDF5_ENABLE_ASSERTS PROPERTY STRINGS OFF NO YES)
if (HDF5_ENABLE_ASSERTS MATCHES "YES")
add_compile_options ("-UNDEBUG")
elseif (HDF5_ENABLE_ASSERTS MATCHES "NO")
add_compile_options ("-DNDEBUG")
endif ()
MARK_AS_ADVANCED (HDF5_ENABLE_ASSERTS)
#-----------------------------------------------------------------------------
# Option for --enable-symbols
# This option will force/override the default setting for all configurations
#-----------------------------------------------------------------------------
#option (HDF5_ENABLE_SYMBOLS "Add debug symbols to the library independent of the build mode and optimization level." OFF)
set (HDF5_ENABLE_SYMBOLS "OFF" CACHE STRING "Add debug symbols to the library independent of the build mode and optimization level (OFF NO YES)")
set_property (CACHE HDF5_ENABLE_SYMBOLS PROPERTY STRINGS OFF NO YES)
if (HDF5_ENABLE_SYMBOLS MATCHES "YES")
if (CMAKE_C_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g")
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -fno-omit-frame-pointer")
endif ()
elseif (HDF5_ENABLE_SYMBOLS MATCHES "NO")
if (CMAKE_C_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-s")
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s")
endif ()
endif ()
MARK_AS_ADVANCED (HDF5_ENABLE_SYMBOLS)
#-----------------------------------------------------------------------------
# Option for --enable-profiling
# This option will force/override the default setting for all configurations
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_PROFILING "Enable profiling flags independently from the build mode." OFF)
if (HDF5_ENABLE_PROFILING)
list (APPEND HDF5_CMAKE_C_FLAGS "${PROFILE_CFLAGS}")
endif ()
MARK_AS_ADVANCED (HDF5_ENABLE_PROFILING)
#-----------------------------------------------------------------------------
# Option for --enable-optimization
# This option will force/override the default setting for all configurations
#-----------------------------------------------------------------------------
option (HDF5_ENABLE_OPTIMIZATION "Enable optimization flags/settings independently from the build mode" OFF)
if (HDF5_ENABLE_OPTIMIZATION)
list (APPEND HDF5_CMAKE_C_FLAGS "${OPTIMIZE_CFLAGS}")
endif ()
MARK_AS_ADVANCED (HDF5_ENABLE_OPTIMIZATION)
|
