riscv/riscv.ac

   1 AC_ARG_ENABLE([fpu], AS_HELP_STRING([--disable-fpu], [Disable floating-point]))
   2 AS_IF([test "x$enable_fpu" != "xno"], [
   3   AC_DEFINE([RISCV_ENABLE_FPU],,[Define if floating-point instructions are supported])
   4 ])
   5
   6 AC_ARG_ENABLE([64bit], AS_HELP_STRING([--disable-64bit], [Disable 64-bit mode]))
   7 AS_IF([test "x$enable_64bit" != "xno"], [
   8   AC_DEFINE([RISCV_ENABLE_64BIT],,[Define if 64-bit mode is supported])
   9 ])
  10
  11 AC_ARG_ENABLE([rvc], AS_HELP_STRING([--enable-rvc], [Enable instruction compression]))
  12 AS_IF([test "x$enable_rvc" = "xyes"], [
  13   AC_DEFINE([RISCV_ENABLE_RVC],,[Define if instruction compression is supported])
  14 ])
  15
  16 AC_ARG_ENABLE([vec], AS_HELP_STRING([--disable-vec], [Disable vector processor]))
  17 AS_IF([test "x$enable_vec" != "xno"], [
  18   AC_DEFINE([RISCV_ENABLE_VEC],,[Define if vector processor is supported])
  19 ])
  20
  21 libopc=`dirname \`which riscv-gcc\``/../`$ac_config_guess`/riscv/lib/libopcodes.a
  22 AC_CHECK_FILES([$libopc],[have_libopcodes="yes"],[have_libopcodes="no"])
  23
  24 libbfd="/opt/local/lib/libbfd.dylib"
  25 AC_SEARCH_LIBS([bfd_init],[bfd],[],[
  26     AC_CHECK_FILES([$libbfd], [libopc="$libopc $libbfd" incopc="-I/opt/local/include"], [have_libopcodes="no"])
  27 ])
  28
  29 AS_IF([test "$have_libopcodes" = "no"],[
  30   AC_MSG_WARN([Could not find opcodes library])
  31   AC_MSG_WARN([Build will not include disassembly support])
  32 ],[
  33   LIBS="$libopc $LIBS"
  34   INCDIRS="$incopc"
  35   AC_DEFINE([RISCV_HAVE_LIBOPCODES],,[Define if libopcodes exists])
  36 ])
  37 AC_SUBST(INCDIRS)