xref: /third_party/musl/porting/liteos_m/kernel/BUILD.gn

# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
#
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# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
#    conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
#    of conditions and the following disclaimer in the documentation and/or other materials
#    provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
#    to endorse or promote products derived from this software without specific prior written
#    permission.
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import("//kernel/liteos_m/liteos.gni")
import("//third_party/optimized-routines/optimized-routines.gni")
import("musl.gni")

libc = "musl-c"
libm = "musl-m"

LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")

config("include") {
  include_dirs = [ "include" ]
}

static_library(libc) {
  sources = MUSL_LIBC_SRC

  include_dirs = [
    "src/include",
    "src/internal",
  ]

  include_dirs += [
    "//kernel/liteos_m/kernel/arch/include",
    "//kernel/liteos_m/kernel/include",
    "//kernel/liteos_m/utils",
  ]

  cflags = [
    "-imacros",
    "$LITEOS_MENUCONFIG_H",
  ]

  if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
    sources += MUSL_LIBC_OPT_SRC_FOR_ARM
    if (LOSCFG_ARCH_ARM_VER == "armv7-m" || LOSCFG_ARCH_ARM_VER == "armv8-m") {
      sources -= [
        "$MUSLPORTINGDIR/src/string/strcpy.c",
        "$MUSLPORTINGDIR/src/string/strlen.c",
      ]
      sources += OPTRT_STRING_ARM_SRC_FILES_FOR_ARMV7_M
      asmflags = [ "-D__strlen_armv6t2=strlen" ]
      if (defined(LOSCFG_KERNEL_LMS)) {
        asmflags += [ "-D__strcpy_arm=__strcpy" ]
      } else {
        asmflags += [ "-D__strcpy_arm=strcpy" ]
      }

      if (LOSCFG_ARCH_ARM_VER == "armv8-m") {
        sources -= [
          "$MUSLPORTINGDIR/src/string/memcmp.c",
          "$MUSLPORTINGDIR/src/string/memset.c",
        ]
        sources += MUSL_LIBC_OPT_SRC_FOR_ARMV8_M
      }

      cflags += asmflags
    }
  }

  public_configs = [ ":include" ]
}

static_library(libm) {
  sources = MUSL_LIBM_SRC

  include_dirs = [
    "src/include",
    "src/internal",
  ]

  public_configs = [ ":include" ]
}

group("kernel") {
  public_deps = [
    ":$libc",
    ":$libm",
  ]
}