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Fix regression tests failure on the latest Xcode

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When using Xcode version 14.3 on Apple Silicon hardware a number of
regression tests fails. This change fixes this problem.

The root cause comes to the floating point contraction. It was already
disabled for GCC on Linux, but not for Clang on neither of Linux or
macOS.

Also corrected the comment about Clang default, as it as set to on
somewhere in 2021.

Pull Request: https://projects.blender.org/blender/blender/pulls/107136
This commit is contained in:
Sergey Sharybin
2023-04-20 08:56:55 +02:00
committed by Sergey Sharybin
parent b69f8de5b5
commit 88b125e75d
2 changed files with 3 additions and 4 deletions
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2
build_files/cmake/platform/platform_apple.cmake
View File

@@ -174,7 +174,7 @@ if(SYSTEMSTUBS_LIBRARY)
list(APPEND PLATFORM_LINKLIBS SystemStubs)
endif()
string(APPEND PLATFORM_CFLAGS " -pipe -funsigned-char -fno-strict-aliasing")
string(APPEND PLATFORM_CFLAGS " -pipe -funsigned-char -fno-strict-aliasing -ffp-contract=off")
set(PLATFORM_LINKFLAGS
"-fexceptions -framework CoreServices -framework Foundation -framework IOKit -framework AppKit -framework Cocoa -framework Carbon -framework AudioUnit -framework AudioToolbox -framework CoreAudio -framework Metal -framework QuartzCore"
)

5
build_files/cmake/platform/platform_unix.cmake
View File

@@ -803,8 +803,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
# Automatically turned on when building with "-march=native". This is
# explicitly turned off here as it will make floating point math give a bit
# different results. This will lead to automated test failures. So disable
# this until we support it. Seems to default to off in clang and the intel
# compiler.
# this until we support it.
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing -ffp-contract=off")
# `maybe-uninitialized` is unreliable in release builds, but fine in debug builds.
@@ -892,7 +891,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
# CLang is the same as GCC for now.
elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing")
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing -ffp-contract=off")
if(WITH_LINKER_MOLD AND _IS_LINKER_DEFAULT)
find_program(MOLD_BIN "mold")