1 # Set initial flags for each configuration
3 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
4 set(CMAKE_C_STANDARD 11)
5 set(CMAKE_C_STANDARD_REQUIRED ON)
6 set(CMAKE_CXX_STANDARD 11)
7 set(CMAKE_CXX_STANDARD_REQUIRED ON)
9 # All code we build should be compiled as position independent
10 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
12 set(CLR_DEFINES_DEBUG_INIT DEBUG _DEBUG _DBG URTBLDENV_FRIENDLY=Checked BUILDENV_CHECKED=1)
13 set(CLR_DEFINES_CHECKED_INIT DEBUG _DEBUG _DBG URTBLDENV_FRIENDLY=Checked BUILDENV_CHECKED=1)
14 set(CLR_DEFINES_RELEASE_INIT NDEBUG URTBLDENV_FRIENDLY=Retail)
15 set(CLR_DEFINES_RELWITHDEBINFO_INIT NDEBUG URTBLDENV_FRIENDLY=Retail)
17 include(${CMAKE_CURRENT_LIST_DIR}/configureoptimization.cmake)
19 #----------------------------------------
20 # Detect and set platform variable names
21 # - for non-windows build platform & architecture is detected using inbuilt CMAKE variables and cross target component configure
22 # - for windows we use the passed in parameter to CMAKE to determine build arch
23 #----------------------------------------
24 if(CMAKE_SYSTEM_NAME STREQUAL Linux)
25 set(CLR_CMAKE_PLATFORM_UNIX 1)
26 if(CLR_CROSS_COMPONENTS_BUILD)
27 # CMAKE_HOST_SYSTEM_PROCESSOR returns the value of `uname -p` on host.
28 if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL amd64)
29 if(CLR_CMAKE_TARGET_ARCH STREQUAL "arm" OR CLR_CMAKE_TARGET_ARCH STREQUAL "armel")
30 if($ENV{CROSSCOMPILE} STREQUAL "1")
31 set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
33 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
36 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
38 elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL i686)
39 set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
44 # CMAKE_SYSTEM_PROCESSOR returns the value of `uname -p` on target.
45 # For the AMD/Intel 64bit architecture two different strings are common.
46 # Linux and Darwin identify it as "x86_64" while FreeBSD and netbsd uses the
47 # "amd64" string. Accept either of the two here.
48 if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL amd64)
49 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
50 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL armv7l)
51 set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
52 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
53 set(CLR_CMAKE_PLATFORM_UNIX_ARM 1)
54 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
55 set(CLR_CMAKE_PLATFORM_UNIX_ARM64 1)
56 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL i686)
57 set(CLR_CMAKE_PLATFORM_UNIX_X86 1)
62 set(CLR_CMAKE_PLATFORM_LINUX 1)
65 if(DEFINED CLR_CMAKE_LINUX_ID)
66 if(CLR_CMAKE_LINUX_ID STREQUAL ubuntu)
67 set(CLR_CMAKE_TARGET_UBUNTU_LINUX 1)
68 elseif(CLR_CMAKE_LINUX_ID STREQUAL tizen)
69 set(CLR_CMAKE_TARGET_TIZEN_LINUX 1)
70 elseif(CLR_CMAKE_LINUX_ID STREQUAL alpine)
71 set(CLR_CMAKE_PLATFORM_ALPINE_LINUX 1)
73 if(CLR_CMAKE_LINUX_ID STREQUAL ubuntu)
74 set(CLR_CMAKE_PLATFORM_UBUNTU_LINUX 1)
76 endif(DEFINED CLR_CMAKE_LINUX_ID)
77 endif(CMAKE_SYSTEM_NAME STREQUAL Linux)
79 if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
80 set(CLR_CMAKE_PLATFORM_UNIX 1)
81 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
82 set(CLR_CMAKE_PLATFORM_DARWIN 1)
83 set(CMAKE_ASM_COMPILE_OBJECT "${CMAKE_C_COMPILER} <FLAGS> <DEFINES> <INCLUDES> -o <OBJECT> -c <SOURCE>")
84 endif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
86 if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
87 set(CLR_CMAKE_PLATFORM_UNIX 1)
88 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
89 set(CLR_CMAKE_PLATFORM_FREEBSD 1)
90 endif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
92 if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
93 set(CLR_CMAKE_PLATFORM_UNIX 1)
94 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
95 set(CLR_CMAKE_PLATFORM_OPENBSD 1)
96 endif(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
98 if(CMAKE_SYSTEM_NAME STREQUAL NetBSD)
99 set(CLR_CMAKE_PLATFORM_UNIX 1)
100 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
101 set(CLR_CMAKE_PLATFORM_NETBSD 1)
102 endif(CMAKE_SYSTEM_NAME STREQUAL NetBSD)
104 if(CMAKE_SYSTEM_NAME STREQUAL SunOS)
105 set(CLR_CMAKE_PLATFORM_UNIX 1)
108 OUTPUT_VARIABLE SUNOS_NATIVE_INSTRUCTION_SET
110 if(SUNOS_NATIVE_INSTRUCTION_SET MATCHES "amd64")
111 set(CLR_CMAKE_PLATFORM_UNIX_AMD64 1)
112 set(CMAKE_SYSTEM_PROCESSOR "amd64")
116 set(CLR_CMAKE_PLATFORM_SUNOS 1)
117 endif(CMAKE_SYSTEM_NAME STREQUAL SunOS)
119 #--------------------------------------------
120 # This repo builds two set of binaries
121 # 1. binaries which execute on target arch machine
122 # - for such binaries host architecture & target architecture are same
124 # 2. binaries which execute on host machine but target another architecture
125 # - host architecture is different from target architecture
126 # - eg. crossgen.exe - runs on x64 machine and generates nis targeting arm64
127 # - for complete list of such binaries refer to file crosscomponents.cmake
128 #-------------------------------------------------------------
129 # Set HOST architecture variables
130 if(CLR_CMAKE_PLATFORM_UNIX_ARM)
131 set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
132 set(CLR_CMAKE_HOST_ARCH "arm")
133 elseif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
134 set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
135 set(CLR_CMAKE_HOST_ARCH "arm64")
136 elseif(CLR_CMAKE_PLATFORM_UNIX_AMD64)
137 set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
138 set(CLR_CMAKE_HOST_ARCH "x64")
139 elseif(CLR_CMAKE_PLATFORM_UNIX_X86)
140 set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
141 set(CLR_CMAKE_HOST_ARCH "x86")
143 # CLR_CMAKE_HOST_ARCH is passed in as param to cmake
144 if (CLR_CMAKE_HOST_ARCH STREQUAL x64)
145 set(CLR_CMAKE_PLATFORM_ARCH_AMD64 1)
146 elseif(CLR_CMAKE_HOST_ARCH STREQUAL x86)
147 set(CLR_CMAKE_PLATFORM_ARCH_I386 1)
148 elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm)
149 set(CLR_CMAKE_PLATFORM_ARCH_ARM 1)
150 elseif(CLR_CMAKE_HOST_ARCH STREQUAL arm64)
151 set(CLR_CMAKE_PLATFORM_ARCH_ARM64 1)
157 # Set TARGET architecture variables
158 # Target arch will be a cmake param (optional) for both windows as well as non-windows build
159 # if target arch is not specified then host & target are same
160 if(NOT DEFINED CLR_CMAKE_TARGET_ARCH OR CLR_CMAKE_TARGET_ARCH STREQUAL "" )
161 set(CLR_CMAKE_TARGET_ARCH ${CLR_CMAKE_HOST_ARCH})
164 # Set target architecture variables
165 if (CLR_CMAKE_TARGET_ARCH STREQUAL x64)
166 set(CLR_CMAKE_TARGET_ARCH_AMD64 1)
167 elseif(CLR_CMAKE_TARGET_ARCH STREQUAL x86)
168 set(CLR_CMAKE_TARGET_ARCH_I386 1)
169 elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm64)
170 set(CLR_CMAKE_TARGET_ARCH_ARM64 1)
171 elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm)
172 set(CLR_CMAKE_TARGET_ARCH_ARM 1)
173 elseif(CLR_CMAKE_TARGET_ARCH STREQUAL armel)
174 set(CLR_CMAKE_TARGET_ARCH_ARM 1)
180 # check if host & target arch combination are valid
181 if(NOT(CLR_CMAKE_TARGET_ARCH STREQUAL CLR_CMAKE_HOST_ARCH))
182 if(NOT((CLR_CMAKE_PLATFORM_ARCH_AMD64 AND CLR_CMAKE_TARGET_ARCH_ARM64) OR (CLR_CMAKE_PLATFORM_ARCH_I386 AND CLR_CMAKE_TARGET_ARCH_ARM) OR (CLR_CMAKE_PLATFORM_ARCH_AMD64 AND CLR_CMAKE_TARGET_ARCH_ARM)))
183 message(FATAL_ERROR "Invalid host and target arch combination")
187 #-----------------------------------------------------
188 # Initialize Cmake compiler flags and other variables
189 #-----------------------------------------------------
192 add_compile_options(/Zi /FC /Zc:strictStrings)
193 elseif (CLR_CMAKE_PLATFORM_UNIX)
194 add_compile_options(-g)
195 add_compile_options(-Wall)
196 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
197 add_compile_options(-Wno-null-conversion)
199 add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Werror=conversion-null>)
203 if (CMAKE_CONFIGURATION_TYPES) # multi-configuration generator?
204 set(CMAKE_CONFIGURATION_TYPES "Debug;Checked;Release;RelWithDebInfo" CACHE STRING "" FORCE)
205 endif (CMAKE_CONFIGURATION_TYPES)
207 set(CMAKE_C_FLAGS_CHECKED "")
208 set(CMAKE_CXX_FLAGS_CHECKED "")
209 set(CMAKE_EXE_LINKER_FLAGS_CHECKED "")
210 set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "")
212 set(CMAKE_CXX_STANDARD_LIBRARIES "") # do not link against standard win32 libs i.e. kernel32, uuid, user32, etc.
215 # For multi-configuration toolset (as Visual Studio)
216 # set the different configuration defines.
217 foreach (Config DEBUG CHECKED RELEASE RELWITHDEBINFO)
218 foreach (Definition IN LISTS CLR_DEFINES_${Config}_INIT)
219 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:${Config}>:${Definition}>)
220 endforeach (Definition)
223 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /GUARD:CF")
224 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /GUARD:CF")
228 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /MANIFEST:NO") #Do not create Side-by-Side Assembly Manifest
230 if (CLR_CMAKE_PLATFORM_ARCH_ARM)
231 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.02") #windows subsystem - arm minimum is 6.02
232 elseif(CLR_CMAKE_PLATFORM_ARCH_ARM64)
233 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.03") #windows subsystem - arm64 minimum is 6.03
235 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SUBSYSTEM:WINDOWS,6.01") #windows subsystem
238 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LARGEADDRESSAWARE") # can handle addresses larger than 2 gigabytes
239 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /NXCOMPAT") #Compatible with Data Execution Prevention
240 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DYNAMICBASE") #Use address space layout randomization
241 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /PDBCOMPRESS") #shrink pdb size
242 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DEBUG")
243 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /IGNORE:4197,4013,4254,4070,4221")
245 set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /IGNORE:4221")
247 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG /PDBCOMPRESS")
248 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:1572864")
250 # Temporarily disable incremental link due to incremental linking CFG bug crashing crossgen.
251 # See https://github.com/dotnet/coreclr/issues/12592
252 # This has been fixed in VS 2017 Update 5 but we're keeping this around until everyone is off
253 # the versions that have the bug. The bug manifests itself as a bad crash.
254 set(NO_INCREMENTAL_LINKER_FLAGS "/INCREMENTAL:NO")
256 # Debug build specific flags
257 set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "/NOVCFEATURE ${NO_INCREMENTAL_LINKER_FLAGS}")
258 set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${NO_INCREMENTAL_LINKER_FLAGS}")
260 # Checked build specific flags
261 set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "${CMAKE_SHARED_LINKER_FLAGS_CHECKED} /OPT:REF /OPT:NOICF /NOVCFEATURE ${NO_INCREMENTAL_LINKER_FLAGS}")
262 set(CMAKE_STATIC_LINKER_FLAGS_CHECKED "${CMAKE_STATIC_LINKER_FLAGS_CHECKED}")
263 set(CMAKE_EXE_LINKER_FLAGS_CHECKED "${CMAKE_EXE_LINKER_FLAGS_CHECKED} /OPT:REF /OPT:NOICF ${NO_INCREMENTAL_LINKER_FLAGS}")
265 # Release build specific flags
266 set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
267 set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${CMAKE_STATIC_LINKER_FLAGS_RELEASE} /LTCG")
268 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
270 # ReleaseWithDebugInfo build specific flags
271 set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
272 set(CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO} /LTCG")
273 set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /LTCG /OPT:REF /OPT:ICF ${NO_INCREMENTAL_LINKER_FLAGS}")
275 # Force uCRT to be dynamically linked for Release build
276 set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")
277 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")
278 set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")
279 set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")
281 elseif (CLR_CMAKE_PLATFORM_UNIX)
282 # Set the values to display when interactively configuring CMAKE_BUILD_TYPE
283 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "DEBUG;CHECKED;RELEASE;RELWITHDEBINFO")
285 # Use uppercase CMAKE_BUILD_TYPE for the string comparisons below
286 string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_CMAKE_BUILD_TYPE)
288 # For single-configuration toolset
289 # set the different configuration defines.
290 if (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
292 set_property(DIRECTORY PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_DEBUG_INIT})
293 elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
295 set_property(DIRECTORY PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_CHECKED_INIT})
296 elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE)
298 set_property(DIRECTORY PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_RELEASE_INIT})
299 elseif (UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
300 # And then RELWITHDEBINFO
301 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS ${CLR_DEFINES_RELWITHDEBINFO_INIT})
303 message(FATAL_ERROR "Unknown build type! Set CMAKE_BUILD_TYPE to DEBUG, CHECKED, RELEASE, or RELWITHDEBINFO!")
306 if(DEFINED ENV{TIZEN_ASAN_ENVIRONMENT})
307 if (CLR_CMAKE_PLATFORM_UNIX_ARM OR CLR_CMAKE_PLATFORM_UNIX_AMD64)
308 message(STATUS "TIZEN_ASAN_ENVIRONMENT is enabled.")
309 # add definitions to enable ASan support for only external libraries (supported only Tizen)
310 add_definitions(-DTIZEN_ASAN_ENVIRONMENT -DHAS_ADDRESS_SANITIZER)
311 set(TIZEN_ASAN_ENVIRONMENT 1)
313 message(STATUS "TIZEN_ASAN_ENVIRONMENT cannot be enabled. Current arch is not supported.")
317 # set the CLANG sanitizer flags for debug build
318 if(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
319 # obtain settings from running enablesanitizers.sh
320 string(FIND "$ENV{DEBUG_SANITIZERS}" "asan" __ASAN_POS)
321 string(FIND "$ENV{DEBUG_SANITIZERS}" "ubsan" __UBSAN_POS)
322 if ((${__ASAN_POS} GREATER -1) OR (${__UBSAN_POS} GREATER -1))
323 set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS} -fsanitize-blacklist=${CMAKE_CURRENT_SOURCE_DIR}/sanitizerblacklist.txt -fsanitize=")
324 set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS} -fsanitize=")
325 if (${__ASAN_POS} GREATER -1)
326 set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS}address,")
327 set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS}address,")
328 add_definitions(-DHAS_ASAN)
329 message("Address Sanitizer (asan) enabled")
331 if (${__UBSAN_POS} GREATER -1)
332 # all sanitizier flags are enabled except alignment (due to heavy use of __unaligned modifier)
333 set(CLR_SANITIZE_CXX_FLAGS "${CLR_SANITIZE_CXX_FLAGS}bool,bounds,enum,float-cast-overflow,float-divide-by-zero,function,integer,nonnull-attribute,null,object-size,return,returns-nonnull-attribute,shift,unreachable,vla-bound,vptr")
334 set(CLR_SANITIZE_LINK_FLAGS "${CLR_SANITIZE_LINK_FLAGS}undefined")
335 message("Undefined Behavior Sanitizer (ubsan) enabled")
338 # -fdata-sections -ffunction-sections: each function has own section instead of one per .o file (needed for --gc-sections)
339 # -O1: optimization level used instead of -O0 to avoid compile error "invalid operand for inline asm constraint"
340 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${CLR_SANITIZE_CXX_FLAGS} -fdata-sections -ffunction-sections -O1")
341 set(CMAKE_CXX_FLAGS_CHECKED "${CMAKE_CXX_FLAGS_CHECKED} ${CLR_SANITIZE_CXX_FLAGS} -fdata-sections -ffunction-sections -O1")
343 set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${CLR_SANITIZE_LINK_FLAGS}")
344 set(CMAKE_EXE_LINKER_FLAGS_CHECKED "${CMAKE_EXE_LINKER_FLAGS_CHECKED} ${CLR_SANITIZE_LINK_FLAGS}")
346 # -Wl and --gc-sections: drop unused sections\functions (similar to Windows /Gy function-level-linking)
347 set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${CLR_SANITIZE_LINK_FLAGS} -Wl,--gc-sections")
348 set(CMAKE_SHARED_LINKER_FLAGS_CHECKED "${CMAKE_SHARED_LINKER_FLAGS_CHECKED} ${CLR_SANITIZE_LINK_FLAGS} -Wl,--gc-sections")
350 endif(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL CHECKED)
352 # This linker option causes executables we build to be marked as containing position independent code.
353 # It is necessary to make ASLR work for executables.
354 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pie" )
358 # CLR_ADDITIONAL_LINKER_FLAGS - used for passing additional arguments to linker
359 # CLR_ADDITIONAL_COMPILER_OPTIONS - used for passing additional arguments to compiler
362 # ./build-native.sh cmakeargs "-DCLR_ADDITIONAL_COMPILER_OPTIONS=<...>" cmakeargs "-DCLR_ADDITIONAL_LINKER_FLAGS=<...>"
364 if(CLR_CMAKE_PLATFORM_UNIX)
365 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CLR_ADDITIONAL_LINKER_FLAGS}")
366 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CLR_ADDITIONAL_LINKER_FLAGS}" )
367 endif(CLR_CMAKE_PLATFORM_UNIX)
369 if(CLR_CMAKE_PLATFORM_LINUX)
370 set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,--noexecstack")
371 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--build-id=sha1")
372 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id=sha1")
373 endif(CLR_CMAKE_PLATFORM_LINUX)
374 if(CLR_CMAKE_PLATFORM_FREEBSD)
375 set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,--noexecstack")
376 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=lld -Xlinker --build-id=sha1")
377 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld -Xlinker --build-id=sha1")
378 endif(CLR_CMAKE_PLATFORM_FREEBSD)
380 #------------------------------------
381 # Definitions (for platform)
382 #-----------------------------------
383 if (CLR_CMAKE_PLATFORM_ARCH_AMD64)
384 add_definitions(-D_AMD64_)
385 add_definitions(-D_WIN64)
386 add_definitions(-DAMD64)
387 add_definitions(-DBIT64)
388 elseif (CLR_CMAKE_PLATFORM_ARCH_I386)
389 add_definitions(-D_X86_)
390 elseif (CLR_CMAKE_PLATFORM_ARCH_ARM)
391 add_definitions(-D_ARM_)
392 add_definitions(-DARM)
393 elseif (CLR_CMAKE_PLATFORM_ARCH_ARM64)
394 add_definitions(-D_ARM64_)
395 add_definitions(-DARM64)
396 add_definitions(-D_WIN64)
397 add_definitions(-DBIT64)
402 if (CLR_CMAKE_PLATFORM_UNIX)
403 if(CLR_CMAKE_PLATFORM_LINUX)
404 if(CLR_CMAKE_PLATFORM_UNIX_AMD64)
405 message("Detected Linux x86_64")
406 add_definitions(-DLINUX64)
407 elseif(CLR_CMAKE_PLATFORM_UNIX_ARM)
408 message("Detected Linux ARM")
409 add_definitions(-DLINUX32)
410 elseif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
411 message("Detected Linux ARM64")
412 add_definitions(-DLINUX64)
413 elseif(CLR_CMAKE_PLATFORM_UNIX_X86)
414 message("Detected Linux i686")
415 add_definitions(-DLINUX32)
419 endif(CLR_CMAKE_PLATFORM_LINUX)
420 endif(CLR_CMAKE_PLATFORM_UNIX)
422 if (CLR_CMAKE_PLATFORM_UNIX)
423 add_definitions(-DPLATFORM_UNIX)
425 if(CLR_CMAKE_PLATFORM_DARWIN)
426 message("Detected OSX x86_64")
427 endif(CLR_CMAKE_PLATFORM_DARWIN)
429 if(CLR_CMAKE_PLATFORM_FREEBSD)
430 message("Detected FreeBSD amd64")
431 endif(CLR_CMAKE_PLATFORM_FREEBSD)
433 if(CLR_CMAKE_PLATFORM_NETBSD)
434 message("Detected NetBSD amd64")
435 endif(CLR_CMAKE_PLATFORM_NETBSD)
436 endif(CLR_CMAKE_PLATFORM_UNIX)
439 add_definitions(-DPLATFORM_WINDOWS)
441 # Define the CRT lib references that link into Desktop imports
442 set(STATIC_MT_CRT_LIB "libcmt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
443 set(STATIC_MT_VCRT_LIB "libvcruntime$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
444 set(STATIC_MT_CPP_LIB "libcpmt$<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:d>.lib")
447 # Architecture specific files folder name
448 if (CLR_CMAKE_TARGET_ARCH_AMD64)
449 set(ARCH_SOURCES_DIR amd64)
450 elseif (CLR_CMAKE_TARGET_ARCH_ARM64)
451 set(ARCH_SOURCES_DIR arm64)
452 elseif (CLR_CMAKE_TARGET_ARCH_ARM)
453 set(ARCH_SOURCES_DIR arm)
454 elseif (CLR_CMAKE_TARGET_ARCH_I386)
455 set(ARCH_SOURCES_DIR i386)
460 #--------------------------------------
462 #--------------------------------------
463 if (CLR_CMAKE_PLATFORM_UNIX)
464 # Disable frame pointer optimizations so profilers can get better call stacks
465 add_compile_options(-fno-omit-frame-pointer)
467 # The -fms-extensions enable the stuff like __if_exists, __declspec(uuid()), etc.
468 add_compile_options(-fms-extensions )
469 #-fms-compatibility Enable full Microsoft Visual C++ compatibility
470 #-fms-extensions Accept some non-standard constructs supported by the Microsoft compiler
472 # Make signed arithmetic overflow of addition, subtraction, and multiplication wrap around
473 # using twos-complement representation (this is normally undefined according to the C++ spec).
474 add_compile_options(-fwrapv)
476 if(CLR_CMAKE_PLATFORM_DARWIN)
477 # We cannot enable "stack-protector-strong" on OS X due to a bug in clang compiler (current version 7.0.2)
478 add_compile_options(-fstack-protector)
480 add_compile_options(-fstack-protector-strong)
481 endif(CLR_CMAKE_PLATFORM_DARWIN)
483 # Contracts are disabled on UNIX.
484 add_definitions(-DDISABLE_CONTRACTS)
486 if (CLR_CMAKE_WARNINGS_ARE_ERRORS)
487 # All warnings that are not explicitly disabled are reported as errors
488 add_compile_options(-Werror)
489 endif(CLR_CMAKE_WARNINGS_ARE_ERRORS)
491 # Disabled common warnings
492 add_compile_options(-Wno-unused-variable)
493 add_compile_options(-Wno-unused-value)
494 add_compile_options(-Wno-unused-function)
496 #These seem to indicate real issues
497 add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Wno-invalid-offsetof>)
499 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
500 # The -ferror-limit is helpful during the porting, it makes sure the compiler doesn't stop
501 # after hitting just about 20 errors.
502 add_compile_options(-ferror-limit=4096)
505 add_compile_options(-Wno-unused-private-field)
506 # Explicit constructor calls are not supported by clang (this->ClassName::ClassName())
507 add_compile_options(-Wno-microsoft)
508 # This warning is caused by comparing 'this' to NULL
509 add_compile_options(-Wno-tautological-compare)
510 # There are constants of type BOOL used in a condition. But BOOL is defined as int
511 # and so the compiler thinks that there is a mistake.
512 add_compile_options(-Wno-constant-logical-operand)
513 # We use pshpack1/2/4/8.h and poppack.h headers to set and restore packing. However
514 # clang 6.0 complains when the packing change lifetime is not contained within
516 add_compile_options(-Wno-pragma-pack)
518 add_compile_options(-Wno-unknown-warning-option)
520 # The following warning indicates that an attribute __attribute__((__ms_struct__)) was applied
521 # to a struct or a class that has virtual members or a base class. In that case, clang
522 # may not generate the same object layout as MSVC.
523 add_compile_options(-Wno-incompatible-ms-struct)
524 # Do not convert a #warning into an #error
525 add_compile_options("-Wno-error=#warnings")
527 add_compile_options(-Wno-unused-variable)
528 add_compile_options(-Wno-unused-but-set-variable)
529 add_compile_options(-fms-extensions)
530 add_compile_options(-Wno-unknown-pragmas)
531 # Do not convert a #warning into an #error
532 add_compile_options(-Wno-error=cpp)
533 if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
534 add_compile_options(-Wno-nonnull-compare)
536 if (COMPILER_SUPPORTS_F_ALIGNED_NEW)
537 add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-faligned-new>)
541 # Some architectures (e.g., ARM) assume char type is unsigned while CoreCLR assumes char is signed
542 # as x64 does. It has been causing issues in ARM (https://github.com/dotnet/coreclr/issues/4746)
543 add_compile_options(-fsigned-char)
545 # We mark the function which needs exporting with DLLEXPORT
546 add_compile_options(-fvisibility=hidden)
548 # Specify the minimum supported version of macOS
549 if(CLR_CMAKE_PLATFORM_DARWIN)
550 set(MACOS_VERSION_MIN_FLAGS "-mmacosx-version-min=10.12")
551 add_compile_options("${MACOS_VERSION_MIN_FLAGS}")
552 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MACOS_VERSION_MIN_FLAGS}")
553 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${MACOS_VERSION_MIN_FLAGS}")
554 endif(CLR_CMAKE_PLATFORM_DARWIN)
555 endif(CLR_CMAKE_PLATFORM_UNIX)
557 if(CLR_CMAKE_PLATFORM_UNIX_ARM)
558 # Because we don't use CMAKE_C_COMPILER/CMAKE_CXX_COMPILER to use clang
559 # we have to set the triple by adding a compiler argument
560 add_compile_options(-mthumb)
561 add_compile_options(-mfpu=vfpv3)
563 add_definitions(-DARM_SOFTFP)
564 add_compile_options(-mfloat-abi=softfp)
565 if("$ENV{__DistroRid}" MATCHES "tizen.*")
566 add_compile_options(-target armv7l-tizen-linux-gnueabi)
568 add_compile_options(-march=armv7-a)
571 add_compile_options(-march=armv7-a)
573 endif(CLR_CMAKE_PLATFORM_UNIX_ARM)
575 if(CLR_CMAKE_PLATFORM_UNIX_X86)
576 add_compile_options(-msse2)
579 if(CLR_CMAKE_PLATFORM_UNIX_ARM64)
580 if("$ENV{__DistroRid}" MATCHES "tizen.*")
581 add_compile_options(-target aarch64-tizen-linux-gnu)
583 endif(CLR_CMAKE_PLATFORM_UNIX_ARM64)
585 if(CLR_CMAKE_PLATFORM_UNIX)
586 add_compile_options(${CLR_ADDITIONAL_COMPILER_OPTIONS})
587 endif(CLR_CMAKE_PLATFORM_UNIX)
590 # Compile options for targeting windows
592 # The following options are set by the razzle build
593 add_compile_options(/TP) # compile all files as C++
594 add_compile_options(/d2Zi+) # make optimized builds debugging easier
595 add_compile_options(/nologo) # Suppress Startup Banner
596 add_compile_options(/W3) # set warning level to 3
597 add_compile_options(/WX) # treat warnings as errors
598 add_compile_options(/Oi) # enable intrinsics
599 add_compile_options(/Oy-) # disable suppressing of the creation of frame pointers on the call stack for quicker function calls
600 add_compile_options(/U_MT) # undefine the predefined _MT macro
601 add_compile_options(/GF) # enable read-only string pooling
602 add_compile_options(/Gm-) # disable minimal rebuild
603 add_compile_options(/EHa) # enable C++ EH (w/ SEH exceptions)
604 add_compile_options(/Zp8) # pack structs on 8-byte boundary
605 add_compile_options(/Gy) # separate functions for linker
606 add_compile_options(/Zc:wchar_t-) # C++ language conformance: wchar_t is NOT the native type, but a typedef
607 add_compile_options(/Zc:forScope) # C++ language conformance: enforce Standard C++ for scoping rules
608 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-") # disable C++ RTTI
609 add_compile_options(/FC) # use full pathnames in diagnostics
610 add_compile_options(/MP) # Build with Multiple Processes (number of processes equal to the number of processors)
611 add_compile_options(/GS) # Buffer Security Check
612 add_compile_options(/Zm200) # Specify Precompiled Header Memory Allocation Limit of 150MB
613 add_compile_options(/wd4960 /wd4961 /wd4603 /wd4627 /wd4838 /wd4456 /wd4457 /wd4458 /wd4459 /wd4091 /we4640)
614 add_compile_options(/Zi) # enable debugging information
615 add_compile_options(/ZH:SHA_256) # use SHA256 for generating hashes of compiler processed source files.
616 add_compile_options(/source-charset:utf-8) # Force MSVC to compile source as UTF-8.
618 if (CLR_CMAKE_PLATFORM_ARCH_I386)
619 add_compile_options(/Gz)
620 endif (CLR_CMAKE_PLATFORM_ARCH_I386)
622 add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/GL>)
623 add_compile_options($<$<OR:$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>,$<CONFIG:Checked>>:/O1>)
625 if (CLR_CMAKE_PLATFORM_ARCH_AMD64)
626 # The generator expression in the following command means that the /homeparams option is added only for debug builds
627 add_compile_options($<$<CONFIG:Debug>:/homeparams>) # Force parameters passed in registers to be written to the stack
628 endif (CLR_CMAKE_PLATFORM_ARCH_AMD64)
630 # enable control-flow-guard support for native components for non-Arm64 builds
631 # Added using variables instead of add_compile_options to let individual projects override it
632 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /guard:cf")
633 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /guard:cf")
635 # Statically linked CRT (libcmt[d].lib, libvcruntime[d].lib and libucrt[d].lib) by default. This is done to avoid
636 # linking in VCRUNTIME140.DLL for a simplified xcopy experience by reducing the dependency on VC REDIST.
638 # For Release builds, we shall dynamically link into uCRT [ucrtbase.dll] (which is pushed down as a Windows Update on downlevel OS) but
639 # wont do the same for debug/checked builds since ucrtbased.dll is not redistributable and Debug/Checked builds are not
640 # production-time scenarios.
641 add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/MT>)
642 add_compile_options($<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:/MTd>)
644 set(CMAKE_ASM_MASM_FLAGS "${CMAKE_ASM_MASM_FLAGS} /ZH:SHA_256")
646 if (CLR_CMAKE_TARGET_ARCH_ARM OR CLR_CMAKE_TARGET_ARCH_ARM64)
647 # Contracts work too slow on ARM/ARM64 DEBUG/CHECKED.
648 add_definitions(-DDISABLE_CONTRACTS)
649 endif (CLR_CMAKE_TARGET_ARCH_ARM OR CLR_CMAKE_TARGET_ARCH_ARM64)
653 if(CLR_CMAKE_ENABLE_CODE_COVERAGE)
655 if(CLR_CMAKE_PLATFORM_UNIX)
656 string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_CMAKE_BUILD_TYPE)
657 if(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
658 message( WARNING "Code coverage results with an optimised (non-Debug) build may be misleading" )
659 endif(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
661 add_compile_options(-fprofile-arcs)
662 add_compile_options(-ftest-coverage)
663 set(CLANG_COVERAGE_LINK_FLAGS "--coverage")
664 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
665 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
667 message(FATAL_ERROR "Code coverage builds not supported on current platform")
668 endif(CLR_CMAKE_PLATFORM_UNIX)
670 endif(CLR_CMAKE_ENABLE_CODE_COVERAGE)