#!/bin/sh

############################################################
# Copyright (c) 2009-2010 by Aleksey Cheusov
#
# See LICENSE file in the distribution.
############################################################

set -e

LC_ALL=C
export LC_ALL

: ${TMPDIR:=/tmp}

tmpfile="$TMPDIR/mk-c.$$.c"
trap 'rm -f "$tmpfile"' 0

##################################################

pathpart=compiler_type
if test "$1" = -x; then
    pathpart=cxx_type
    CC="$CXX"
    export CC
fi

##################################################
checks='
       __clang__   clang
           __ICC   icc
__INTEL_COMPILER   icc
         __PCC__   pcc
        __GNUC__   gcc
        _MSC_VER   msc
        __HP_aCC   hpc
         __HP_cc   hpc
   __SUNPRO_C      sunpro
  __SUNPRO_CC      sunpro
     __IBMCPP__    ibmc
       __IBMC__    ibmc
    __BORLANDC__   bcc
  __WATCOMC__      watcom
       __COMO__    como
         __DECC    decc
       __DECCXX    decc
_COMPILER_VERSION  mipspro
'

check_itself (){
    awk '
BEGIN {
   printf "#"
   for (i=1; i < ARGC; ++i){
      printf "if defined(%s)\ncompiler %s\n#el", ARGV [i], ARGV [i+1]
   }
   printf "se\ncompiler unknown\n#endif\n"
}' $checks >"$tmpfile"
    $CC -E "$tmpfile" |
    awk 'BEGIN { ret="unknown"} $1 == "compiler" {ret=$2; exit} END {print ret}'
}

. mkc_check_common.sh

check_and_cache "checking for compiler type" "$cache"

printme '%s\n' "$ret" 1>&2

echo "$ret"