# SPDX-License-Identifier: Apache-2.0

if(CONFIG_X86_64)
  string(PREPEND CMAKE_ASM_FLAGS "-m64 ")
  string(PREPEND CMAKE_C_FLAGS   "-m64 ")
  string(PREPEND CMAKE_CXX_FLAGS "-m64 ")
else()
  string(PREPEND CMAKE_ASM_FLAGS "-m32 ")
  string(PREPEND CMAKE_C_FLAGS   "-m32 ")
  string(PREPEND CMAKE_CXX_FLAGS "-m32 ")

  if(CONFIG_X86_FP_USE_SOFT_FLOAT)
    list(APPEND TOOLCHAIN_C_FLAGS  -msoft-float)
    list(APPEND TOOLCHAIN_LD_FLAGS -msoft-float)
  endif()
endif()

# Flags not supported by llext linker
# (regexps are supported and match whole word)
set(LLEXT_REMOVE_FLAGS
  -fno-pic
  -fno-pie
  -ffunction-sections
  -fdata-sections
  -g.*
  -Os
)

# Force compiler and linker match
if(CONFIG_X86_64)
  set(LLEXT_APPEND_FLAGS
    -m64
  )
else()
  set(LLEXT_APPEND_FLAGS
    -m32
  )
endif()

# GNU Assembler, by default on non-Linux targets, treats slashes as
# start of comments on i386.
# (https://sourceware.org/binutils/docs-2.33.1/as/i386_002dChars.html#i386_002dChars)
# In order to use division, `--divide` needs to be passed to
# the assembler.
list(APPEND TOOLCHAIN_C_FLAGS -Wa,--divide)