enable build of cross target components.

Currently only enabled for arm64

1 files changed, 131 insertions, 0 deletions

diff --git a/compileoptions.cmake b/compileoptions.cmake
new file mode 100644
index 0000000000..4ec51d3ad2
--- /dev/null
+++ b/compileoptions.cmake
@@ -0,0 +1,131 @@
+if (CLR_CMAKE_PLATFORM_UNIX)
+  # Disable frame pointer optimizations so profilers can get better call stacks
+  add_compile_options(-fno-omit-frame-pointer)
+
+  # The -fms-extensions enable the stuff like __if_exists, __declspec(uuid()), etc.
+  add_compile_options(-fms-extensions )
+  #-fms-compatibility      Enable full Microsoft Visual C++ compatibility
+  #-fms-extensions         Accept some non-standard constructs supported by the Microsoft compiler
+
+  if(CLR_CMAKE_PLATFORM_DARWIN)
+    # We cannot enable "stack-protector-strong" on OS X due to a bug in clang compiler (current version 7.0.2)
+    add_compile_options(-fstack-protector)
+  else()
+    add_compile_options(-fstack-protector-strong)
+  endif(CLR_CMAKE_PLATFORM_DARWIN)
+
+  add_definitions(-DDISABLE_CONTRACTS)
+  # The -ferror-limit is helpful during the porting, it makes sure the compiler doesn't stop
+  # after hitting just about 20 errors.
+  add_compile_options(-ferror-limit=4096)
+
+  # All warnings that are not explicitly disabled are reported as errors
+  add_compile_options(-Werror)
+
+  # Disabled warnings
+  add_compile_options(-Wno-unused-private-field)
+  add_compile_options(-Wno-unused-variable)
+  # Explicit constructor calls are not supported by clang (this->ClassName::ClassName())
+  add_compile_options(-Wno-microsoft)
+  # This warning is caused by comparing 'this' to NULL
+  add_compile_options(-Wno-tautological-compare)
+  # There are constants of type BOOL used in a condition. But BOOL is defined as int
+  # and so the compiler thinks that there is a mistake.
+  add_compile_options(-Wno-constant-logical-operand)
+
+  add_compile_options(-Wno-unknown-warning-option)
+
+  #These seem to indicate real issues
+  add_compile_options(-Wno-invalid-offsetof)
+  # The following warning indicates that an attribute __attribute__((__ms_struct__)) was applied
+  # to a struct or a class that has virtual members or a base class. In that case, clang
+  # may not generate the same object layout as MSVC.
+  add_compile_options(-Wno-incompatible-ms-struct)
+
+endif(CLR_CMAKE_PLATFORM_UNIX)
+
+if(CLR_CMAKE_PLATFORM_UNIX_ARM)
+   # Because we don't use CMAKE_C_COMPILER/CMAKE_CXX_COMPILER to use clang
+   # we have to set the triple by adding a compiler argument
+   add_compile_options(-mthumb)
+   add_compile_options(-mfpu=vfpv3)
+   if(ARM_SOFTFP)
+     add_compile_options(-mfloat-abi=softfp)
+     add_compile_options(-target armv7-linux-gnueabi)
+   else()
+     add_compile_options(-target armv7-linux-gnueabihf)
+   endif(ARM_SOFTFP)
+endif(CLR_CMAKE_PLATFORM_UNIX_ARM)
+
+if (WIN32)
+  # Compile options for targeting windows
+
+  # The following options are set by the razzle build
+  add_compile_options(/TP) # compile all files as C++
+  add_compile_options(/d2Zi+) # make optimized builds debugging easier
+  add_compile_options(/nologo) # Suppress Startup Banner
+  add_compile_options(/W3) # set warning level to 3
+  add_compile_options(/WX) # treat warnings as errors
+  add_compile_options(/Oi) # enable intrinsics
+  add_compile_options(/Oy-) # disable suppressing of the creation of frame pointers on the call stack for quicker function calls
+  add_compile_options(/U_MT) # undefine the predefined _MT macro
+  add_compile_options(/GF) # enable read-only string pooling
+  add_compile_options(/Gm-) # disable minimal rebuild
+  add_compile_options(/EHa) # enable C++ EH (w/ SEH exceptions)
+  add_compile_options(/Zp8) # pack structs on 8-byte boundary
+  add_compile_options(/Gy) # separate functions for linker
+  add_compile_options(/Zc:wchar_t-) # C++ language conformance: wchar_t is NOT the native type, but a typedef
+  add_compile_options(/Zc:forScope) # C++ language conformance: enforce Standard C++ for scoping rules
+  add_compile_options(/GR-) # disable C++ RTTI
+  add_compile_options(/FC) # use full pathnames in diagnostics
+  add_compile_options(/MP) # Build with Multiple Processes (number of processes equal to the number of processors)
+  add_compile_options(/GS) # Buffer Security Check
+  add_compile_options(/Zm200) # Specify Precompiled Header Memory Allocation Limit of 150MB
+  add_compile_options(/wd4960 /wd4961 /wd4603 /wd4627 /wd4838 /wd4456 /wd4457 /wd4458 /wd4459 /wd4091 /we4640)
+  add_compile_options(/Zi) # enable debugging information
+
+  if (CLR_CMAKE_PLATFORM_ARCH_I386)
+    add_compile_options(/Gz)
+  endif (CLR_CMAKE_PLATFORM_ARCH_I386)
+
+  add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/GL>)
+  add_compile_options($<$<OR:$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>,$<CONFIG:Checked>>:/O1>)
+
+  if (CLR_CMAKE_PLATFORM_ARCH_AMD64)
+  # The generator expression in the following command means that the /homeparams option is added only for debug builds
+  add_compile_options($<$<CONFIG:Debug>:/homeparams>) # Force parameters passed in registers to be written to the stack
+  endif (CLR_CMAKE_PLATFORM_ARCH_AMD64)
+
+  if(NOT CLR_CMAKE_PLATFORM_ARCH_ARM64)
+    # enable control-flow-guard support for native components for non-Arm64 builds
+    add_compile_options(/guard:cf) 
+
+    # Statically linked CRT (libcmt[d].lib, libvcruntime[d].lib and libucrt[d].lib) by default. This is done to avoid  
+    # linking in VCRUNTIME140.DLL for a simplified xcopy experience by reducing the dependency on VC REDIST.  
+    #  
+    # For Release builds, we shall dynamically link into uCRT [ucrtbase.dll] (which is pushed down as a Windows Update on downlevel OS) but  
+    # wont do the same for debug/checked builds since ucrtbased.dll is not redistributable and Debug/Checked builds are not  
+    # production-time scenarios.  
+    add_compile_options($<$<OR:$<CONFIG:Release>,$<CONFIG:Relwithdebinfo>>:/MT>)  
+    add_compile_options($<$<OR:$<CONFIG:Debug>,$<CONFIG:Checked>>:/MTd>)  
+  endif (NOT CLR_CMAKE_PLATFORM_ARCH_ARM64)
+endif (WIN32)
+
+if(CMAKE_ENABLE_CODE_COVERAGE)
+
+  if(CLR_CMAKE_PLATFORM_UNIX)
+    string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_CMAKE_BUILD_TYPE)
+    if(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
+      message( WARNING "Code coverage results with an optimised (non-Debug) build may be misleading" )
+    endif(NOT UPPERCASE_CMAKE_BUILD_TYPE STREQUAL DEBUG)
+
+    add_compile_options(-fprofile-arcs)
+    add_compile_options(-ftest-coverage)
+    set(CLANG_COVERAGE_LINK_FLAGS  "--coverage")
+    set(CMAKE_SHARED_LINKER_FLAGS  "${CMAKE_SHARED_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
+    set(CMAKE_EXE_LINKER_FLAGS     "${CMAKE_EXE_LINKER_FLAGS} ${CLANG_COVERAGE_LINK_FLAGS}")
+  else()
+    message(FATAL_ERROR "Code coverage builds not supported on current platform")
+  endif(CLR_CMAKE_PLATFORM_UNIX)
+
+endif(CMAKE_ENABLE_CODE_COVERAGE)