Differential D16068 Diff 56119 CMakeLists.txt

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CMakeLists.txt

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project(Blender)		project(Blender)

blender_project_hack_post()		blender_project_hack_post()

enable_testing()		enable_testing()


# -----------------------------------------------------------------------------		# -----------------------------------------------------------------------------
		# Test Compiler Support
		#
		# Keep in sync with: https://wiki.blender.org/wiki/Building_Blender

		if(CMAKE_COMPILER_IS_GNUCC)
		if(CMAKE_COMPILER_IS_GNUCC AND ("${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "9.3.1"))
		message(FATAL_ERROR "The minimum supported version of GCC is 9.3.1")
		endif()
		elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
		if(CMAKE_COMPILER_IS_GNUCC AND ("${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "8.0"))
		message(FATAL_ERROR "The minimum supported version of CLANG is 8.0")
		endif()
		elseif(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
		if(MSVC_VERSION VERSION_LESS "1928")
		message(FATAL_ERROR "The minimum supported version of MSVC is 2019 (16.9.16)")
		endif()
		endif()

		# -----------------------------------------------------------------------------
# Test Compiler/Library Features		# Test Compiler/Library Features

include(build_files/cmake/have_features.cmake)		include(build_files/cmake/have_features.cmake)


# -----------------------------------------------------------------------------		# -----------------------------------------------------------------------------
# Redirect Output Files		# Redirect Output Files

▲ Show 20 Lines • Show All 1,300 Lines • ▼ Show 20 Lines	if(CMAKE_COMPILER_IS_GNUCC)
add_check_c_compiler_flag(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)		add_check_c_compiler_flag(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
add_check_c_compiler_flag(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)		add_check_c_compiler_flag(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)
add_check_c_compiler_flag(C_WARNINGS C_WARN_RESTRICT -Wrestrict)		add_check_c_compiler_flag(C_WARNINGS C_WARN_RESTRICT -Wrestrict)

# C-only.		# C-only.
add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_NULL -Wnonnull)		add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_NULL -Wnonnull)
add_check_c_compiler_flag(C_WARNINGS C_WARN_ABSOLUTE_VALUE -Wabsolute-value)		add_check_c_compiler_flag(C_WARNINGS C_WARN_ABSOLUTE_VALUE -Wabsolute-value)

# gcc 4.2 gives annoying warnings on every file with this
if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
add_check_c_compiler_flag(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)		add_check_c_compiler_flag(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
endif()

# versions before gcc4.6 give many BLI_math warnings
if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.6")
add_check_c_compiler_flag(C_WARNINGS C_WARN_REDUNDANT_DECLS -Wredundant-decls)		add_check_c_compiler_flag(C_WARNINGS C_WARN_REDUNDANT_DECLS -Wredundant-decls)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)
endif()

# versions before gcc4.8 include global name-space.
if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.8")
add_check_c_compiler_flag(C_WARNINGS C_WARN_SHADOW -Wshadow)		add_check_c_compiler_flag(C_WARNINGS C_WARN_SHADOW -Wshadow)
endif()

# disable because it gives warnings for printf() & friends.		# disable because it gives warnings for printf() & friends.
# add_check_c_compiler_flag(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)		# add_check_c_compiler_flag(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)

if(NOT APPLE)		if(NOT APPLE)
add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)		add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
endif()		endif()

Show All 10 Lines	if(CMAKE_COMPILER_IS_GNUCC)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_SUGGEST_OVERRIDE -Wno-suggest-override)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_SUGGEST_OVERRIDE -Wno-suggest-override)

# gcc 4.2 gives annoying warnings on every file with this
if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
endif()

# causes too many warnings		# causes too many warnings
if(NOT APPLE)		if(NOT APPLE)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)
endif()		endif()

# Use 'ATTR_FALLTHROUGH' macro to suppress.		# Use 'ATTR_FALLTHROUGH' macro to suppress.
if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
add_check_c_compiler_flag(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)		add_check_c_compiler_flag(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)		add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
endif()


# ---------------------		# ---------------------
# Suppress Strict Flags		# Suppress Strict Flags
#		#
# Exclude the following warnings from this list:		# Exclude the following warnings from this list:
# - `-Wno-address`:		# - `-Wno-address`:
# This can give useful hints that point to bugs/misleading logic.		# This can give useful hints that point to bugs/misleading logic.
# - `-Wno-strict-prototypes`:		# - `-Wno-strict-prototypes`:
Show All 13 Lines	if(CMAKE_COMPILER_IS_GNUCC)
add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_VARIABLE -Wno-uninitialized)		add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_VARIABLE -Wno-uninitialized)

add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_CLASS_MEMACCESS -Wno-class-memaccess)		add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_CLASS_MEMACCESS -Wno-class-memaccess)
add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_COMMENT -Wno-comment)		add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_COMMENT -Wno-comment)
add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_TYPEDEFS -Wno-unused-local-typedefs)		add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_TYPEDEFS -Wno-unused-local-typedefs)
add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_VARIABLE -Wno-unused-variable)		add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_VARIABLE -Wno-unused-variable)
add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_VARIABLE -Wno-uninitialized)		add_check_cxx_compiler_flag(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_VARIABLE -Wno-uninitialized)

if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH -Wno-implicit-fallthrough)		add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH -Wno-implicit-fallthrough)
endif()

if(NOT APPLE)		if(NOT APPLE)
add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)		add_check_c_compiler_flag(C_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
endif()		endif()

elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")		elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")

# strange, clang complains these are not supported, but then uses them.		# strange, clang complains these are not supported, but then uses them.
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elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")		elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
# most msvc warnings are C & C++		# most msvc warnings are C & C++
set(_WARNINGS		set(_WARNINGS
# warning level:		# warning level:
"/W3"		"/W3"
"/w34062" # switch statement contains 'default' but no 'case' labels		"/w34062" # switch statement contains 'default' but no 'case' labels
"/w34115" # 'type' : named type definition in parentheses		"/w34115" # 'type' : named type definition in parentheses
"/w34189" # local variable is initialized but not referenced		"/w34189" # local variable is initialized but not referenced
		# see https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/c5038?view=vs-2017
		"/w35038" # order of initialization in c++ constructors
# disable:		# disable:
"/wd4018" # signed/unsigned mismatch		"/wd4018" # signed/unsigned mismatch
"/wd4146" # unary minus operator applied to unsigned type, result still unsigned		"/wd4146" # unary minus operator applied to unsigned type, result still unsigned
"/wd4065" # switch statement contains 'default' but no 'case' labels		"/wd4065" # switch statement contains 'default' but no 'case' labels
"/wd4127" # conditional expression is constant		"/wd4127" # conditional expression is constant
"/wd4181" # qualifier applied to reference type; ignored		"/wd4181" # qualifier applied to reference type; ignored
"/wd4200" # zero-sized array in struct/union		"/wd4200" # zero-sized array in struct/union
"/wd4244" # conversion from 'type1' to 'type2', possible loss of data		"/wd4244" # conversion from 'type1' to 'type2', possible loss of data
"/wd4267" # conversion from 'size_t' to 'type', possible loss of data		"/wd4267" # conversion from 'size_t' to 'type', possible loss of data
"/wd4305" # truncation from 'type1' to 'type2'		"/wd4305" # truncation from 'type1' to 'type2'
"/wd4800" # forcing value to bool 'true' or 'false'		"/wd4800" # forcing value to bool 'true' or 'false'
"/wd4828" # The file contains a character that is illegal		"/wd4828" # The file contains a character that is illegal
"/wd4996" # identifier was declared deprecated		"/wd4996" # identifier was declared deprecated
"/wd4661" # no suitable definition provided for explicit template instantiation request		"/wd4661" # no suitable definition provided for explicit template instantiation request
"/wd4848" # 'no_unique_address' is a vendor extension in C++17		"/wd4848" # 'no_unique_address' is a vendor extension in C++17
# errors:		# errors:
"/we4013" # 'function' undefined; assuming extern returning int		"/we4013" # 'function' undefined; assuming extern returning int
"/we4133" # incompatible pointer types		"/we4133" # incompatible pointer types
"/we4431" # missing type specifier - int assumed		"/we4431" # missing type specifier - int assumed
)		)

if(MSVC_VERSION GREATER_EQUAL 1911)
# see https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/c5038?view=vs-2017
string(APPEND _WARNINGS " /w35038") # order of initialization in c++ constructors
endif()

string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")		string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")
set(C_WARNINGS "${_WARNINGS}")		set(C_WARNINGS "${_WARNINGS}")
set(CXX_WARNINGS "${_WARNINGS}")		set(CXX_WARNINGS "${_WARNINGS}")
unset(_WARNINGS)		unset(_WARNINGS)
endif()		endif()

# ensure python header is found since detection can fail, this could happen		# ensure python header is found since detection can fail, this could happen
# with _any_ library but since we used a fixed python version this tends to		# with _any_ library but since we used a fixed python version this tends to
Show All 35 Lines
# If C++17 is not available, downgrading to an earlier standard is NOT OK.		# If C++17 is not available, downgrading to an earlier standard is NOT OK.
set(CMAKE_CXX_STANDARD_REQUIRED ON)		set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Do not enable compiler specific language extensions.		# Do not enable compiler specific language extensions.
set(CMAKE_CXX_EXTENSIONS OFF)		set(CMAKE_CXX_EXTENSIONS OFF)

# Make MSVC properly report the value of the __cplusplus preprocessor macro		# Make MSVC properly report the value of the __cplusplus preprocessor macro
# Available MSVC 15.7 (1914) and up, without this it reports 199711L regardless		# Available MSVC 15.7 (1914) and up, without this it reports 199711L regardless
# of the C++ standard chosen above.		# of the C++ standard chosen above.
if(MSVC AND MSVC_VERSION GREATER 1913)		if(MSVC)
string(APPEND CMAKE_CXX_FLAGS " /Zc:__cplusplus")		string(APPEND CMAKE_CXX_FLAGS " /Zc:__cplusplus")
endif()		endif()

# Visual Studio has all standards it supports available by default		# Visual Studio has all standards it supports available by default
# Clang on windows copies this behavior and does not support these switches		# Clang on windows copies this behavior and does not support these switches
if(		if(
CMAKE_COMPILER_IS_GNUCC OR		CMAKE_COMPILER_IS_GNUCC OR
(CMAKE_C_COMPILER_ID MATCHES "Clang" AND (NOT MSVC)) OR		(CMAKE_C_COMPILER_ID MATCHES "Clang" AND (NOT MSVC)) OR
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