summaryrefslogtreecommitdiff
path: root/CMakeLists.txt
blob: 0e1e623bf5a2437114761a8b55e160d7193002e9 (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
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
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
# Require at least version 2.8.12 of CMake
cmake_minimum_required(VERSION 2.8.12)

if(CMAKE_VERSION VERSION_EQUAL 3.0 OR CMAKE_VERSION VERSION_GREATER 3.0)
    cmake_policy(SET CMP0042 NEW)
endif()

# Set the project name
project(CoreCLR)

# Include cmake functions
include(functions.cmake)

if (WIN32)
  message(STATUS "VS_PLATFORM_TOOLSET is ${CMAKE_VS_PLATFORM_TOOLSET}")
  message(STATUS "VS_PLATFORM_NAME is ${CMAKE_VS_PLATFORM_NAME}")
endif (WIN32)

# Set commonly used directory names
set(CLR_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(VM_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src/vm)
set(GENERATED_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/src/inc)
set(VERSION_FILE_PATH "${CMAKE_BINARY_DIR}/version.cpp")

set(CORECLR_SET_RPATH ON)
if(CORECLR_SET_RPATH)
    # Enable @rpath support for shared libraries.
    set(MACOSX_RPATH ON)
endif(CORECLR_SET_RPATH)

OPTION(CMAKE_ENABLE_CODE_COVERAGE "Enable code coverage" OFF)

# Ensure that python is present
find_program(PYTHON python)
if (PYTHON STREQUAL "PYTHON-NOTFOUND")
    message(FATAL_ERROR "PYTHON not found: Please install Python 2.7.9 or later from https://www.python.org/downloads/")
endif()

# Ensure other tools are present
if (WIN32)
    if(CLR_CMAKE_HOST_ARCH STREQUAL arm)
      
      # Confirm that Windows SDK is present
      if(NOT DEFINED CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION OR CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION STREQUAL "" )
	      message(FATAL_ERROR "Windows SDK is required for the Arm32 build.")
      else()
	      message("Using Windows SDK version ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
      endif()

      # Explicitly specify the assembler to be used for Arm32 compile
      file(TO_CMAKE_PATH "$ENV{VCINSTALLDIR}\\bin\\x86_arm\\armasm.exe" CMAKE_ASM_COMPILER)

      set(CMAKE_ASM_MASM_COMPILER ${CMAKE_ASM_COMPILER})
      message("CMAKE_ASM_MASM_COMPILER explicitly set to: ${CMAKE_ASM_MASM_COMPILER}") 
      
      # Enable generic assembly compilation to avoid CMake generate VS proj files that explicitly
      # use ml[64].exe as the assembler.
      enable_language(ASM)
    else()
      enable_language(ASM_MASM)
    endif()

    # Ensure that MC is present
    find_program(MC mc)
    if (MC STREQUAL "MC-NOTFOUND")
        message(FATAL_ERROR "MC not found")
    endif()

    if (CLR_CMAKE_HOST_ARCH STREQUAL arm64)
      # CMAKE_CXX_COMPILER will default to the compiler installed with 
      # Visual studio. Overwrite it to the compiler on the path. 
      # TODO, remove when cmake generator supports Arm64 as a target.  
      find_program(PATH_CXX_COMPILER cl) 
      set(CMAKE_CXX_COMPILER ${PATH_CXX_COMPILER})  
      message("Overwriting the CMAKE_CXX_COMPILER.") 
      message(CMAKE_CXX_COMPILER found:${CMAKE_CXX_COMPILER}) 
    endif()

else (WIN32)
    enable_language(ASM)

    # Ensure that awk is present
    find_program(AWK awk)
    if (AWK STREQUAL "AWK-NOTFOUND")
        message(FATAL_ERROR "AWK not found")
    endif()
 
    if (CMAKE_SYSTEM_NAME STREQUAL Darwin)

      # Ensure that dsymutil and strip are present
      find_program(DSYMUTIL dsymutil)
      if (DSYMUTIL STREQUAL "DSYMUTIL-NOTFOUND")
          message(FATAL_ERROR "dsymutil not found")
      endif()

      find_program(STRIP strip)
      if (STRIP STREQUAL "STRIP-NOTFOUND")
          message(FATAL_ERROR "strip not found")
      endif()

    else (CMAKE_SYSTEM_NAME STREQUAL Darwin)

      # Ensure that objcopy is present
      if (DEFINED ENV{CROSSCOMPILE} AND NOT DEFINED CLR_CROSS_COMPONENTS_BUILD)
        if (CMAKE_SYSTEM_PROCESSOR STREQUAL armv7l OR CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
          find_program(OBJCOPY ${TOOLCHAIN}-objcopy)
        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL i686)
          find_program(OBJCOPY objcopy)
        else()
          clr_unknown_arch()
        endif()
      else()
        find_program(OBJCOPY objcopy)
      endif()

      if (OBJCOPY STREQUAL "OBJCOPY-NOTFOUND")
          message(FATAL_ERROR "objcopy not found")
      endif()

    endif (CMAKE_SYSTEM_NAME STREQUAL Darwin)
endif(WIN32)

#----------------------------------------
# Detect and set platform variable names
#     - for non-windows build platform & architecture is detected using inbuilt CMAKE variables and cross target component configure
#     - for windows we use the passed in parameter to CMAKE to determine build arch
#----------------------------------------
if(CMAKE_SYSTEM_NAME STREQUAL Linux)
    set(CLR_CMAKE_PLATFORM_UNIX 1)
    if(CLR_CROSS_COMPONENTS_BUILD)
        # CMAKE_HOST_SYSTEM_PROCESSOR returns the value of `uname -p` on host.
        if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL amd64)
            if(CLR_CMAKE_TARGET_ARCH STREQUAL "arm")
                set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
            else()
                set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
            endif()
        elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL i686)
            set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
        else()
            clr_unknown_arch()
        endif()
    else()
        # CMAKE_SYSTEM_PROCESSOR returns the value of `uname -p` on target.
        # For the AMD/Intel 64bit architecure two different strings are common.
        # Linux and Darwin identify it as "x86_64" while FreeBSD and netbsd uses the
        # "amd64" string. Accept either of the two here.
        if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL amd64)
            set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL armv7l)
            set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
            set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
            set(CLR_CMAKE_PLATFORM_UNIX_ARM64 1)
        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL i686)
            set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
        else()
            clr_unknown_arch()
        endif()
    endif()
    set(CLR_CMAKE_PLATFORM_LINUX 1)

    # Detect Alpine Linux
    SET(OS_RELEASE_FILENAME "/etc/os-release")
    if (EXISTS ${OS_RELEASE_FILENAME})
        file(READ ${OS_RELEASE_FILENAME} OS_RELEASE)
        string(FIND "${OS_RELEASE}" "ID=alpine" CLR_CMAKE_PLATFORM_ALPINE_LINUX)
        if(CLR_CMAKE_PLATFORM_ALPINE_LINUX EQUAL -1)
            unset(CLR_CMAKE_PLATFORM_ALPINE_LINUX)
        endif(CLR_CMAKE_PLATFORM_ALPINE_LINUX EQUAL -1)
    endif(EXISTS ${OS_RELEASE_FILENAME})
endif(CMAKE_SYSTEM_NAME STREQUAL Linux)

if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
  set(CLR_CMAKE_PLATFORM_UNIX 1)
  set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  set(CLR_CMAKE_PLATFORM_DARWIN 1)
  if(CMAKE_VERSION VERSION_LESS "3.4.0")
    set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_C_COMPILER} <FLAGS> <DEFINES> -o <OBJECT> -c <SOURCE>")
  else()
    set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_C_COMPILER} <FLAGS> <DEFINES> <INCLUDES> -o <OBJECT> -c <SOURCE>")
  endif(CMAKE_VERSION VERSION_LESS "3.4.0")
endif(CMAKE_SYSTEM_NAME STREQUAL Darwin)

if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
  set(CLR_CMAKE_PLATFORM_UNIX 1)
  set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  set(CLR_CMAKE_PLATFORM_FREEBSD 1)
endif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)

if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
  set(CLR_CMAKE_PLATFORM_UNIX 1)
  set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  set(CLR_CMAKE_PLATFORM_OPENBSD 1)
endif(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)

if(CMAKE_SYSTEM_NAME STREQUAL NetBSD)
  set(CLR_CMAKE_PLATFORM_UNIX 1)
  set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
  set(CLR_CMAKE_PLATFORM_NETBSD 1)
endif(CMAKE_SYSTEM_NAME STREQUAL NetBSD)

if(CMAKE_SYSTEM_NAME STREQUAL SunOS)
  set(CLR_CMAKE_PLATFORM_UNIX 1)
  EXECUTE_PROCESS(
    COMMAND isainfo -n
    OUTPUT_VARIABLE SUNOS_NATIVE_INSTRUCTION_SET
    )
  if(SUNOS_NATIVE_INSTRUCTION_SET MATCHES "amd64")
    set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
    set(CMAKE_SYSTEM_PROCESSOR "amd64")
  else()
    clr_unknown_arch()
  endif()
  set(CLR_CMAKE_PLATFORM_SUNOS 1)
endif(CMAKE_SYSTEM_NAME STREQUAL SunOS)

#--------------------------------------------
# This repo builds two set of binaries
# 1. binaries which execute on target arch machine
#        - for such binaries host architecture & target architecture are same
#        - eg. coreclr.dll
# 2. binaries which execute on host machine but target another architecture
#        - host architecture is different from target architecture
#        - eg. crossgen.exe - runs on x64 machine and generates nis targeting arm64
#        - for complete list of such binaries refer to file crosscomponents.cmake
#-------------------------------------------------------------
# Set HOST architecture variables
if(CLR_CMAKE_PLATFORM_UNIX_ARM)
    set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
    set(CLR_CMAKE_HOST_ARCH "arm")
elseif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
    set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
    set(CLR_CMAKE_HOST_ARCH "arm64")
elseif(CLR_CMAKE_PLATFORM_UNIX_AMD64)
    set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
    set(CLR_CMAKE_HOST_ARCH "x64")
elseif(CLR_CMAKE_PLATFORM_UNIX_X86)
    set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
    set(CLR_CMAKE_HOST_ARCH "x86")
elseif(WIN32)
    # CLR_CMAKE_HOST_ARCH is passed in as param to cmake
    if (CLR_CMAKE_HOST_ARCH STREQUAL x64)
        set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
    elseif(CLR_CMAKE_HOST_ARCH STREQUAL x86)
        set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
    elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm)
        set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
    elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm64)
        set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
    else()
        clr_unknown_arch()
    endif()
endif()

# Set TARGET architecture variables
# Target arch will be a cmake param (optional) for both windows as well as non-windows build
# if target arch is not specified then host & target are same
if(NOT DEFINED CLR_CMAKE_TARGET_ARCH OR CLR_CMAKE_TARGET_ARCH STREQUAL "" )
  set(CLR_CMAKE_TARGET_ARCH ${CLR_CMAKE_HOST_ARCH})
endif()

# Set target architecture variables
if (CLR_CMAKE_TARGET_ARCH STREQUAL x64)
    set(CLR_CMAKE_TARGET_ARCH_AMD64 1)
  elseif(CLR_CMAKE_TARGET_ARCH STREQUAL x86)
    set(CLR_CMAKE_TARGET_ARCH_I386 1)
  elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm64)
    set(CLR_CMAKE_TARGET_ARCH_ARM64 1)
  elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm)
    set(CLR_CMAKE_TARGET_ARCH_ARM 1)
  else()
    clr_unknown_arch()
endif()

# check if host & target arch combination are valid
if(NOT(CLR_CMAKE_TARGET_ARCH STREQUAL CLR_CMAKE_HOST_ARCH))
    if(NOT((CLR_CMAKE_PLATFORM_ARCH_AMD64 AND CLR_CMAKE_TARGET_ARCH_ARM64) OR (CLR_CMAKE_PLATFORM_ARCH_I386 AND CLR_CMAKE_TARGET_ARCH_ARM)))
        message(FATAL_ERROR "Invalid host and target arch combination")
    endif()
endif()

#-----------------------------------------------------
# Initialize Cmake compiler flags and other variables
#-----------------------------------------------------

if (CMAKE_CONFIGURATION_TYPES) # multi-configuration generator?
    set(CMAKE_CONFIGURATION_TYPES "Debug;Checked;Release;RelWithDebInfo" CACHE STRING "" FORCE)
endif (CMAKE_CONFIGURATION_TYPES)

set(CMAKE_C_FLAGS_CHECKED ${CLR_C_FLAGS_CHECKED_INIT} CACHE STRING "Flags used by the compiler during checked builds.")
set(CMAKE_CXX_FLAGS_CHECKED ${CLR_CXX_FLAGS_CHECKED_INIT} CACHE STRING "Flags used by the compiler during checked builds.")
set(CMAKE_EXE_LINKER_FLAGS_CHECKED "")
set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "")

# Disable the following line for UNIX altjit on Windows
set(CMAKE_CXX_STANDARD_LIBRARIES "") # do not link against standard win32 libs i.e. kernel32, uuid, user32, etc.

if (WIN32)
  # For multi-configuration toolset (as Visual Studio)
  # set the different configuration defines.
  foreach (Config DEBUG CHECKED RELEASE RELWITHDEBINFO)
    foreach (Definition IN LISTS CLR_DEFINES_${Config}_INIT)
      set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:${Config}>:${Definition}>)
    endforeach (Definition)
  endforeach (Config)

  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /guard:cf")
  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /guard:cf")

  # Incremental linking with CFG is broken until next VS release.
  # This needs to be appended to the last for each build type to override the default flag.
  set(NO_INCREMENTAL_LINKER_FLAGS "/INCREMENTAL:NO")

  # Linker flags
  #
  # Disable the following line for UNIX altjit on Windows
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /MANIFEST:NO") #Do not create Side-by-Side Assembly Manifest

  if (CLR_CMAKE_PLATFORM_ARCH_ARM)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.02") #windows subsystem - arm minimum is 6.02  
  elseif(CLR_CMAKE_PLATFORM_ARCH_ARM64)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.03") #windows subsystem - arm64 minimum is 6.03  
  else ()
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.01") #windows subsystem
  endif ()
    
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LARGEADDRESSAWARE") # can handle addresses larger than 2 gigabytes
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /RELEASE") #sets the checksum in the header
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /NXCOMPAT") #Compatible with Data Execution Prevention
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DYNAMICBASE") #Use address space layout randomization
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DEBUGTYPE:cv,fixup") #debugging format
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /PDBCOMPRESS") #shrink pdb size
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DEBUG")
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /IGNORE:4197,4013,4254,4070,4221")

  set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /IGNORE:4221")

  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG /PDBCOMPRESS")
  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:1572864")

  # Debug build specific flags
  set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "/NOVCFEATURE ${NO_INCREMENTAL_LINKER_FLAGS}")
  set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${NO_INCREMENTAL_LINKER_FLAGS}")

  # Checked build specific flags
  set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "${CMAKE_SHARED_LINKER_FLAGS_CHECKED} /OPT:REF /OPT:NOICF /NOVCFEATURE ${NO_INCREMENTAL_LINKER_FLAGS}")
  set(CMAKE_STATIC_LINKER_FLAGS_CHECKED "${CMAKE_STATIC_LINKER_FLAGS_CHECKED}")
  set(CMAKE_EXE_LINKER_FLAGS_CHECKED "${CMAKE_EXE_LINKER_FLAGS_CHECKED} /OPT:REF /OPT:NOICF ${NO_INCREMENTAL_LINKER_FLAGS}")

  # Release build specific flags
  set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
  set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${CMAKE_STATIC_LINKER_FLAGS_RELEASE} /LTCG")
  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")

  # ReleaseWithDebugInfo build specific flags
  set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
  set(CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO} /LTCG")
  set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")

  # Temporary until cmake has VS generators for arm64
  if(CLR_CMAKE_PLATFORM_ARCH_ARM64)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /machine:arm64")
    set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /machine:arm64")
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /machine:arm64")
  endif(CLR_CMAKE_PLATFORM_ARCH_ARM64)

  # Force uCRT to be dynamically linked for Release build  
  set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")  
  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")  
  set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")  
  set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")  

elseif (CLR_CMAKE_PLATFORM_UNIX)
  # Set the values to display when interactively configuring CMAKE_BUILD_TYPE
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "DEBUG;CHECKED;RELEASE;RELWITHDEBINFO")

  # Use uppercase CMAKE_BUILD_TYPE for the string comparisons below
  string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_CMAKE_BUILD_TYPE)

  # For single-configuration toolset
  # set the different configuration defines.
  if (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
    # First DEBUG
    set_property(DIRECTORY  PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_DEBUG_INIT})
  elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
    # Then CHECKED
    set_property(DIRECTORY PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_CHECKED_INIT})
  elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE)
    # Then RELEASE
    set_property(DIRECTORY PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_RELEASE_INIT})
  elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
    # And then RELWITHDEBINFO
    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_RELWITHDEBINFO_INIT})
  else ()
    message(FATAL_ERROR "Unknown build type! Set CMAKE_BUILD_TYPE to DEBUG, CHECKED, RELEASE, or RELWITHDEBINFO!")
  endif ()

  # set the CLANG sanitizer flags for debug build
  if(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
    # obtain settings from running enablesanitizers.sh
    string(FIND "$ENV{DEBUG_SANITIZERS}" "asan" __ASAN_POS)
    string(FIND "$ENV{DEBUG_SANITIZERS}" "ubsan" __UBSAN_POS)
    if ((${__ASAN_POS} GREATER -1) OR (${__UBSAN_POS} GREATER -1))
      set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS} -fsanitize-blacklist=${CMAKE_CURRENT_SOURCE_DIR}/sanitizerblacklist.txt -fsanitize=")
      set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS} -fsanitize=")
      if (${__ASAN_POS} GREATER -1)
        set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS}address,")
        set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS}address,")
        message("Address Sanitizer (asan) enabled")
      endif ()
      if (${__UBSAN_POS} GREATER -1)
        # all sanitizier flags are enabled except alignment (due to heavy use of __unaligned modifier)
        set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS}bool,bounds,enum,float-cast-overflow,float-divide-by-zero,function,integer,nonnull-attribute,null,object-size,return,returns-nonnull-attribute,shift,unreachable,vla-bound,vptr")
        set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS}undefined")
        message("Undefined Behavior Sanitizer (ubsan) enabled")
      endif ()

      # -fdata-sections -ffunction-sections: each function has own section instead of one per .o file (needed for --gc-sections)
      # -fPIC: enable Position Independent Code normally just for shared libraries but required when linking with address sanitizer
      # -O1: optimization level used instead of -O0 to avoid compile error "invalid operand for inline asm constraint"
      set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${CLR_SANITIZE_CXX_FLAGS} -fdata-sections -ffunction-sections -fPIC -O1")
      set(CMAKE_CXX_FLAGS_CHECKED "${CMAKE_CXX_FLAGS_CHECKED} ${CLR_SANITIZE_CXX_FLAGS} -fdata-sections -ffunction-sections -fPIC -O1")

      set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${CLR_SANITIZE_LINK_FLAGS}")
      set(CMAKE_EXE_LINKER_FLAGS_CHECKED "${CMAKE_EXE_LINKER_FLAGS_CHECKED} ${CLR_SANITIZE_LINK_FLAGS}")

      # -Wl and --gc-sections: drop unused sections\functions (similar to Windows /Gy function-level-linking)
      set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${CLR_SANITIZE_LINK_FLAGS} -Wl,--gc-sections")
      set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "${CMAKE_SHARED_LINKER_FLAGS_CHECKED} ${CLR_SANITIZE_LINK_FLAGS} -Wl,--gc-sections")
    endif ()
  endif(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
endif(WIN32)

if(CLR_CMAKE_PLATFORM_LINUX)  
  set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,--noexecstack")
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--build-id=sha1")
  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id=sha1")
endif(CLR_CMAKE_PLATFORM_LINUX)  

#------------------------------------
# Definitions (for platform)
#-----------------------------------
if (CLR_CMAKE_PLATFORM_ARCH_AMD64)
  add_definitions(-D_AMD64_)
  add_definitions(-D_WIN64)
  add_definitions(-DAMD64)
  add_definitions(-DBIT64=1)
elseif (CLR_CMAKE_PLATFORM_ARCH_I386)
  add_definitions(-D_X86_)
elseif (CLR_CMAKE_PLATFORM_ARCH_ARM)
  add_definitions(-D_ARM_)
  add_definitions(-DARM)
elseif (CLR_CMAKE_PLATFORM_ARCH_ARM64)
  add_definitions(-D_ARM64_)
  add_definitions(-DARM64)
  add_definitions(-D_WIN64)
  add_definitions(-DBIT64=1)
else ()
  clr_unknown_arch()
endif ()

if (CLR_CMAKE_PLATFORM_UNIX)
  if(CLR_CMAKE_PLATFORM_LINUX)
    if(CLR_CMAKE_PLATFORM_UNIX_AMD64)
      message("Detected Linux x86_64")
      add_definitions(-DLINUX64)
    elseif(CLR_CMAKE_PLATFORM_UNIX_ARM)
      message("Detected Linux ARM")
      add_definitions(-DLINUX32)
    elseif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
      message("Detected Linux ARM64")
      add_definitions(-DLINUX64)
    elseif(CLR_CMAKE_PLATFORM_UNIX_X86)
      message("Detected Linux i686")
      add_definitions(-DLINUX32)
    else()
      clr_unknown_arch()
    endif()
  endif(CLR_CMAKE_PLATFORM_LINUX)
endif(CLR_CMAKE_PLATFORM_UNIX)

if (CLR_CMAKE_PLATFORM_UNIX)
  add_definitions(-DPLATFORM_UNIX=1)

  if(CLR_CMAKE_PLATFORM_DARWIN)
    message("Detected OSX x86_64")
  endif(CLR_CMAKE_PLATFORM_DARWIN)

  if(CLR_CMAKE_PLATFORM_FREEBSD)
    message("Detected FreeBSD amd64")
  endif(CLR_CMAKE_PLATFORM_FREEBSD)

  if(CLR_CMAKE_PLATFORM_NETBSD)  
    message("Detected NetBSD amd64")  
  endif(CLR_CMAKE_PLATFORM_NETBSD)  
endif(CLR_CMAKE_PLATFORM_UNIX)

if (WIN32)
  # Define the CRT lib references that link into Desktop imports
  set(STATIC_MT_CRT_LIB  "libcmt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
  set(STATIC_MT_VCRT_LIB  "libvcruntime$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
  set(STATIC_MT_CPP_LIB  "libcpmt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")

  # Define the uCRT lib reference
  set(STATIC_UCRT_LIB  "libucrt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
  set(DYNAMIC_UCRT_LIB  "ucrt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
endif(WIN32)

# Architecture specific files folder name
if (CLR_CMAKE_TARGET_ARCH_AMD64)
    set(ARCH_SOURCES_DIR amd64)
elseif (CLR_CMAKE_TARGET_ARCH_ARM64)
    set(ARCH_SOURCES_DIR arm64)
elseif (CLR_CMAKE_TARGET_ARCH_ARM)
    set(ARCH_SOURCES_DIR arm)
elseif (CLR_CMAKE_TARGET_ARCH_I386)
    set(ARCH_SOURCES_DIR i386)
else ()
    clr_unknown_arch()
endif ()

# Enable for UNIX altjit on Windows - set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
# Enable for UNIX altjit on Windows - add_definitions(-DCLR_CMAKE_PLATFORM_UNIX=1)

#--------------------------------------
# Compile Options
#--------------------------------------
include(compileoptions.cmake)

#----------------------------------------------------
# Cross target Component build specific configuration
#----------------------------------------------------
if(CLR_CROSS_COMPONENTS_BUILD)
  include(crosscomponents.cmake)
endif(CLR_CROSS_COMPONENTS_BUILD)

#-------------------
# Enable PGO support
#-------------------
include(pgosupport.cmake)

#-----------------------------------------
# Add Projects
#     - project which require platform header not clr's
#     - do not depend on clr's compile definitions
#-----------------------------------------
if(CLR_CMAKE_PLATFORM_UNIX AND NOT DEFINED CLR_CROSS_COMPONENTS_BUILD)
  add_subdirectory(src/corefx)
endif()

if(CLR_CMAKE_PLATFORM_UNIX)
    add_subdirectory(src/ToolBox/SOS/lldbplugin)
    add_subdirectory(src/pal)
    add_subdirectory(src/coreclr/hosts)
    add_subdirectory(src/ildasm/unixcoreclrloader)
endif(CLR_CMAKE_PLATFORM_UNIX)

# Add this subdir. We install the headers for the jit.
add_subdirectory(src/pal/prebuilt/inc)

add_subdirectory(src/debug/debug-pal)

if(WIN32)
  add_subdirectory(src/gc/sample)
endif()

# Above projects do not build with these compile options
# All of the compiler options are specified in file compileoptions.cmake
# Do not add any new options here. They shoul be added in compileoptions.cmake
if(WIN32)
  add_compile_options(/FIWarningControl.h) # force include of WarningControl.h
  add_compile_options(/Zl) # omit default library name in .OBJ
endif(WIN32)

#-------------------------------------
# Include directory directives
#-------------------------------------
# Include the basic prebuilt headers - required for getting fileversion resource details.
include_directories("src/pal/prebuilt/inc")
include_directories("bin/obj")

if(FEATURE_STANDALONE_GC)
  add_definitions(-DFEATURE_STANDALONE_GC)

  if(CLR_CMAKE_PLATFORM_UNIX)
    add_subdirectory(src/gc/unix)
  endif(CLR_CMAKE_PLATFORM_UNIX)
endif(FEATURE_STANDALONE_GC)

if (CLR_CMAKE_PLATFORM_UNIX)
  include_directories("src/pal/inc")
  include_directories("src/pal/inc/rt")
  include_directories("src/pal/src/safecrt")
endif (CLR_CMAKE_PLATFORM_UNIX)

#--------------------------------
# Definition directives
#  - all clr specific compile definitions should be included in this file
#  - all clr specific feature variable should also be added in this file
#----------------------------------
include(clrdefinitions.cmake)

# Microsoft.Dotnet.BuildTools.Coreclr version
set(BuildToolsVersion "1.0.4-prerelease")
set(BuildToolsDir "${CLR_DIR}/packages/Microsoft.DotNet.BuildTools.CoreCLR/${BuildToolsVersion}")

#------------------------------
# Add Product Directory
#------------------------------
add_subdirectory(src)

#------------------------------
# Add Test Directory
#------------------------------
if(CLR_CMAKE_BUILD_TESTS)
  # remove some definitions for test build
  remove_definitions(-D_SECURE_SCL=0)
  remove_definitions(-DUNICODE)
  remove_definitions(-D_UNICODE)

  add_subdirectory(tests)
endif(CLR_CMAKE_BUILD_TESTS)

include(definitionsconsistencycheck.cmake)