macros/cflags.macro

   1 build
   2         # Export CFLAGS
   3         export CFLAGS = # empty
   4
   5         # Export CXXFLAGS
   6         export CXXFLAGS = %{CFLAGS}
   7
   8         # Export LDFLAGS
   9         export LDFLAGS  = -Wl,--as-needed -Wl,-z,relro -Wl,-z,now
  10
  11         # Enable optimisation and compile in debugging information
  12         CFLAGS = -O2 -g
  13
  14         # Enable all compiler warnings
  15         CFLAGS += -Wall -Werror=format-security
  16
  17         # Fortify Source
  18         CFLAGS += -Wp,-U_FORTIFY_SOURCE -Wp,-D_FORTIFY_SOURCE=3
  19
  20         # Build Position Independent Code
  21         CFLAGS += -fPIC
  22
  23         # Enable Stack Smashing Protection
  24         CFLAGS += -fstack-protector-strong
  25
  26         # Enable unwind tables
  27         CFLAGS += -funwind-tables -fasynchronous-unwind-tables
  28
  29         # Enable Stack Clash Protection
  30         CFLAGS += -fstack-clash-protection
  31
  32         # Tell the compiler where the source will be put
  33         CFLAGS += -fdebug-prefix-map=%{DIR_SRC}=%{debugsourcedir}
  34
  35         # Avoid creating temporary files
  36         CFLAGS += -pipe
  37
  38         # Arch: x86_64
  39         CFLAGS_x86_64 = -m64 -march=x86-64-v2 -mtune=generic
  40
  41         # Arch: aarch64
  42         CFLAGS_aarch64 = -mbranch-protection=standard
  43
  44         # Append architecture optimisations
  45         CFLAGS += %{CFLAGS_%{DISTRO_ARCH}}
  46
  47         # Enable LTO
  48         LTO_CFLAGS = -flto=auto -ffat-lto-objects
  49         CFLAGS += %{LTO_CFLAGS}
  50
  51         # Export default compilers
  52         export CC  = gcc
  53         export CXX = g++
  54
  55         # Show libtool where to find any libraries
  56         export LT_SYS_LIBRARY_PATH = %{libdir}:
  57 end