linux.mk raw

   1  linux_CFLAGS=
   2  linux_CXXFLAGS=
   3  
   4  ifneq ($(LTO),)
   5  linux_AR = $(host_toolchain)gcc-ar
   6  linux_NM = $(host_toolchain)gcc-nm
   7  linux_RANLIB = $(host_toolchain)gcc-ranlib
   8  endif
   9  
  10  linux_release_CFLAGS=-O2
  11  linux_release_CXXFLAGS=$(linux_release_CFLAGS)
  12  
  13  linux_debug_CFLAGS=-O1 -g
  14  linux_debug_CXXFLAGS=$(linux_debug_CFLAGS)
  15  
  16  # https://gcc.gnu.org/onlinedocs/libstdc++/manual/debug_mode.html
  17  linux_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
  18  
  19  # https://libcxx.llvm.org/Hardening.html
  20  linux_debug_CPPFLAGS+=-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG
  21  
  22  ifeq (86,$(findstring 86,$(build_arch)))
  23  i686_linux_CC=gcc -m32
  24  i686_linux_CXX=g++ -m32
  25  i686_linux_AR=ar
  26  i686_linux_RANLIB=ranlib
  27  i686_linux_NM=nm
  28  i686_linux_STRIP=strip
  29  
  30  x86_64_linux_CC=gcc -m64
  31  x86_64_linux_CXX=g++ -m64
  32  x86_64_linux_AR=ar
  33  x86_64_linux_RANLIB=ranlib
  34  x86_64_linux_NM=nm
  35  x86_64_linux_STRIP=strip
  36  else
  37  i686_linux_CC=$(default_host_CC) -m32
  38  i686_linux_CXX=$(default_host_CXX) -m32
  39  x86_64_linux_CC=$(default_host_CC) -m64
  40  x86_64_linux_CXX=$(default_host_CXX) -m64
  41  endif
  42  
  43  linux_cmake_system_name=Linux
  44  # Refer to doc/dependencies.md for the minimum required kernel.
  45  linux_cmake_system_version=3.17.0
  46