source/libs/luajit/m4/lj-system.m4

   1 # Autoconf macros for luajit.
   2 # Copyright (C) 2014, 2015 Peter Breitenlohner <tex-live@tug.org>
   3 #
   4 # This file is free software; the copyright holder
   5 # gives unlimited permission to copy and/or distribute it,
   6 # with or without modifications, as long as this notice is preserved.
   7
   8 # _LJ_ARCH
   9 # --------
  10 # Internal subroutine.
  11 # Preprocess <lj_arch.h> and extract system characteristics.
  12 m4_define([_LJ_ARCH], [dnl
  13 rm -f dynasm_flags native_flags
  14 AC_MSG_CHECKING([for architecture])
  15 cp conftest.i system_flags
  16 AS_IF([grep 'LJ_TARGET_X64 ' conftest.i >/dev/null 2>&1],
  17         [LJARCH=x64],
  18       [grep 'LJ_TARGET_X86 ' conftest.i >/dev/null 2>&1],
  19         [LJARCH=x86
  20          LUAJIT_CFLAGS='-march=i686 -msse -msse2 -mfpmath=sse'],
  21       [grep 'LJ_TARGET_ARM ' conftest.i >/dev/null 2>&1],
  22         [LJARCH=arm],
  23       [grep 'LJ_TARGET_ARM64 ' conftest.i >/dev/null 2>&1],
  24         [LJARCH=arm64],
  25       [grep 'LJ_TARGET_PPC ' conftest.i >/dev/null 2>&1],
  26         [LJARCH=ppc
  27          AS_IF([grep 'LJ_LE 1' conftest.i >/dev/null 2>&1],
  28                  [echo '-DLJ_ARCH_ENDIAN=LUAJIT_LE' >>native_flags],
  29                  [echo '-DLJ_ARCH_ENDIAN=LUAJIT_BE' >>native_flags])],
  30       [grep 'LJ_TARGET_MIPS ' conftest.i >/dev/null 2>&1],
  31         [LJARCH=mips
  32          AS_IF([grep 'MIPSEL ' conftest.i >/dev/null 2>&1],
  33                  [echo '-D__MIPSEL__=1' >>native_flags])],
  34         [AC_MSG_ERROR([Sorry, unsupported architecture])])
  35 AS_IF([grep 'LJ_TARGET_PS3 1'conftest.i >/dev/null 2>&1],
  36         [LJHOST='PS3'
  37          echo '-D__CELLOS_LV2__' >>native_flags
  38          LUAJIT_DEFINES="$LUAJIT_DEFINES -DLUAJIT_USE_SYSMALLOC"])
  39 AS_IF([grep 'LJ_NO_UNWIND 1' conftest.i >/dev/null 2>&1],
  40         [echo '-D NO_UNWIND' >>dynasm_flags
  41          echo '-DLUAJIT_NO_UNWIND' >>native_flags])
  42 echo "-DLUAJIT_TARGET=LUAJIT_ARCH_$LJARCH" >>native_flags
  43 AS_IF([grep 'LJ_ARCH_BITS 64' conftest.i >/dev/null 2>&1],
  44         [echo '-D P64' >>dynasm_flags
  45          AS_IF([test "x$LJHOST" = xLinux],
  46                [LUAJIT_DEFINES="$LUAJIT_DEFINES -DMAP_32BIT=0x40"])])
  47 AS_IF([grep 'LJ_HASJIT 1' conftest.i >/dev/null 2>&1],
  48         [echo '-D JIT' >>dynasm_flags])
  49 AS_IF([grep 'LJ_HASFFI 1' conftest.i >/dev/null 2>&1],
  50         [echo '-D FFI' >>dynasm_flags])
  51 AS_IF([grep 'LJ_DUALNUM 1' conftest.i >/dev/null 2>&1],
  52         [echo '-D DUALNUM' >>dynasm_flags])
  53 AS_IF([grep 'LJ_ARCH_HASFPU 1' conftest.i >/dev/null 2>&1],
  54         [echo '-D FPU' >>dynasm_flags
  55          echo '-DLJ_ARCH_HASFPU=1' >>native_flags],
  56         [echo '-DLJ_ARCH_HASFPU=0' >>native_flags])
  57 AS_IF([grep 'LJ_ABI_SOFTFP 1' conftest.i >/dev/null 2>&1],
  58         [echo '-DDLJ_ABI_SOFTFP=1' >>native_flags],
  59         [echo '-D HFABI' >>dynasm_flags
  60          echo '-DLJ_ABI_SOFTFP=0' >>native_flags])
  61 echo '-D VER='`grep 'LJ_ARCH_VERSION ' conftest.i 2>&1 | \
  62                sed 's/^.*LJ_ARCH_VERSION //'` >>dynasm_flags
  63 AS_IF([test "x$LJHOST" = xWindows],
  64       [echo '-D WIN' >>dynasm_flags])
  65 DASM_ARCH=$LJARCH
  66 AS_CASE([$LJARCH],
  67         [x64], [AS_IF([grep 'LJ_FR2 1' conftest.i >/dev/null 2>&1],
  68                       [], [DASM_ARCH=x86])],
  69         [arm], [AS_IF([test "x$LJHOST" = xiOS],
  70                       [echo '-D IOS' >>dynasm_flags])],
  71         [ppc], [AS_IF([grep 'LJ_ARCH_SQRT 1' conftest.i >/dev/null 2>&1],
  72                       [echo '-D SQRT' >>dynasm_flags])
  73                 AS_IF([grep 'LJ_ARCH_ROUND 1' conftest.i >/dev/null 2>&1],
  74                       [echo '-D ROUND' >>dynasm_flags])
  75                 AS_IF([grep 'LJ_ARCH_PPC32ON64 1' conftest.i >/dev/null 2>&1],
  76                       [echo '-D GPR64' >>dynasm_flags])
  77                 AS_IF([grep 'LJ_ARCH_PPC64 ' conftest.i >/dev/null 2>&1],
  78                       [DASM_ARCH=ppc64])
  79                 AS_IF([test "x$LJHOST" = xPS3],
  80                       [echo '-D PPE -D TOC' >>dynasm_flags])])
  81 AS_CASE([$LJHOST],
  82         [Windows], [echo '-DLUAJIT_OS=LUAJIT_OS_WINDOWS' >>native_flags],
  83         [Darwin | iOS], [echo '-DLUAJIT_OS=LUAJIT_OS_OSX' >>native_flags],
  84         [Linux], [echo '-DLUAJIT_OS=LUAJIT_OS_LINUX' >>native_flags],
  85                  [echo '-DLUAJIT_OS=LUAJIT_OS_OTHER' >>native_flags])
  86 AC_MSG_RESULT([$LJHOST $LJARCH $DASM_ARCH])
  87 ]) # _LJ_ARCH
  88
  89 # LJ_ARCH
  90 # -------
  91 # Determine host and build system characteristics.
  92 AC_DEFUN([LJ_ARCH], [dnl
  93 lj_save_CPPFLAGS=$CPPFLAGS
  94 CPPFLAGS="$CPPFLAGS -I$srcdir/LuaJIT-luajit_version/src $LUAJIT_DEFINES -dM"
  95 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <lj_arch.h>]])],
  96                   [lj_cpp=ok; _LJ_ARCH])
  97 CPPFLAGS=$lj_save_CPPFLAGS
  98 AC_SUBST([LJARCH])
  99 AC_SUBST([DASM_ARCH])
 100 ]) # LJ_ARCH
 101