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samples: tensorflow: add no-threadsafe-statics to compiler flags

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Adds no-threadsafe-statics to compiler flags for gcc and arcmwdt.

The flag is required to compile the samples - the module can compile
without it.

Signed-off-by: Lauren Murphy <lauren.murphy@intel.com>
This commit is contained in:
Lauren Murphy 2021-05-18 15:41:45 -05:00 • committed by Anas Nashif
commit e6b8c50599
5 changed files with 19 additions and 4 deletions
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3
cmake/compiler/arcmwdt/compiler_flags.cmake
View file

@ -173,6 +173,9 @@ set_compiler_property(PROPERTY security_fortify "")
# Required C++ flags when using mwdt
set_property(TARGET compiler-cpp PROPERTY required "")
# Compiler flag for turning off thread-safe initialization of local statics
set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics "-fno-threadsafe-statics")
#################################
# This section covers asm flags #
#################################

3
cmake/compiler/compiler_flags_template.cmake
View file

@ -98,5 +98,8 @@ set_compiler_property(PROPERTY sanitize_address)
set_compiler_property(PROPERTY sanitize_undefined)
# Compiler flag for turning off thread-safe initialization of local statics
set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics)
# Required ASM flags when compiling
set_property(TARGET asm PROPERTY required)

3
cmake/compiler/gcc/compiler_flags.cmake
View file

@ -177,6 +177,9 @@ set_compiler_property(PROPERTY sanitize_address -fsanitize=address)
set_compiler_property(PROPERTY sanitize_undefined -fsanitize=undefined)
# GCC compiler flag for turning off thread-safe initialization of local statics
set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics "-fno-threadsafe-statics")
# Required ASM flags when using gcc
set_property(TARGET asm PROPERTY required "-xassembler-with-cpp")

7
samples/modules/tensorflow/hello_world/CMakeLists.txt
View file

@ -3,8 +3,11 @@ cmake_minimum_required(VERSION 3.13.1)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(tensorflow_hello_world)
# Required for TensorFlow to compile properly
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-threadsafe-statics")
# These samples use local static initialization. Since Zephyr doesn't support the
# C++ ABI for thread-safe initialization of local statics and the constructors don't
# appear to require thread safety, we turn it off in the C++ compiler.
set(NO_THREADSAFE_STATICS $<TARGET_PROPERTY:compiler-cpp,no_threadsafe_statics>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:${NO_THREADSAFE_STATICS}>)
target_sources(app PRIVATE
src/assert.cc

7
samples/modules/tensorflow/magic_wand/CMakeLists.txt
View file

@ -3,8 +3,11 @@ cmake_minimum_required(VERSION 3.13.1)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(tensorflow_magic_wand)
# Required for TensorFlow to compile properly
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-threadsafe-statics")
# These samples use local static initialization. Since Zephyr doesn't support the
# C++ ABI for thread-safe initialization of local statics and the constructors don't
# appear to require thread safety, we turn it off in the C++ compiler.
set(NO_THREADSAFE_STATICS $<TARGET_PROPERTY:compiler-cpp,no_threadsafe_statics>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:${NO_THREADSAFE_STATICS}>)
target_sources(app PRIVATE
src/main_functions.h