#!/bin/sh
#=============================================================================
#
#  Program:   GCC-XML
#  Module:    $RCSfile: find_flags,v $
#  Language:  C++
#  Date:      $Date: 2005-08-01 22:11:33 $
#  Version:   $Revision: 1.5 $
#
#  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
#  See Copyright.txt for details.
#
#     This software is distributed WITHOUT ANY WARRANTY; without even 
#     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
#     PURPOSE.  See the above copyright notices for more information.
#
#=============================================================================

# Find the MIPSPro executable name.
if test "x$1" = "x" ; then
  if test "x${CXX}" = "x" ; then
    CXX=CC
  fi
else 
  CXX="$1"
  shift
  CXXFLAGS="$@"
fi

GCCXML_PID="$$"
TESTFILE="find_flags_temp$GCCXML_PID"

# Construct a test input file that checks for some builtin definitions
# in the compiler that are not displayed by the -v option.  This list
# was obtained by running "strings /usr/lib32/cmplrs/fecc" and testing
# for definitions with a giant version of the string below.
echo "
#ifdef _BOOL
D_BOOL _BOOL
#endif
#ifdef _EXPLICIT_IS_KEYWORD
D_EXPLICIT_IS_KEYWORD _EXPLICIT_IS_KEYWORD
#endif
#ifdef _LIBC_IN_NAMESPACE_STD_
D_LIBC_IN_NAMESPACE_STD_ _LIBC_IN_NAMESPACE_STD_
#endif
#ifdef _MEMBER_TEMPLATES
D_MEMBER_TEMPLATES _MEMBER_TEMPLATES
#endif
#ifdef _MUTABLE_IS_KEYWORD
D_MUTABLE_IS_KEYWORD _MUTABLE_IS_KEYWORD
#endif
#ifdef _NAMESPACES
D_NAMESPACES _NAMESPACES
#endif
#ifdef _PARTIAL_SPECIALIZATION_OF_CLASS_TEMPLATES
D_PARTIAL_SPECIALIZATION_OF_CLASS_TEMPLATES _PARTIAL_SPECIALIZATION_OF_CLASS_TEMPLATES
#endif
#ifdef _STANDARD_C_PLUS_PLUS
D_STANDARD_C_PLUS_PLUS _STANDARD_C_PLUS_PLUS
#endif
#ifdef _TYPENAME_IS_KEYWORD
D_TYPENAME_IS_KEYWORD _TYPENAME_IS_KEYWORD
#endif
#ifdef _WCHAR_T
D_WCHAR_T _WCHAR_T
#endif
#ifdef _WCHAR_T_IS_KEYWORD
D_WCHAR_T_IS_KEYWORD _WCHAR_T_IS_KEYWORD
#endif
#ifdef __ANSI_CPP__
D__ANSI_CPP__ __ANSI_CPP__
#endif
#ifdef __ARRAY_OPERATORS
D__ARRAY_OPERATORS __ARRAY_OPERATORS
#endif
#ifdef __EDG_ABI_COMPATIBILITY_VERSION
D__EDG_ABI_COMPATIBILITY_VERSION __EDG_ABI_COMPATIBILITY_VERSION
#endif
#ifdef __EDG_RUNTIME_USES_NAMESPACES
D__EDG_RUNTIME_USES_NAMESPACES __EDG_RUNTIME_USES_NAMESPACES
#endif
#ifdef __EDG_VERSION__
D__EDG_VERSION__ __EDG_VERSION__
#endif
#ifdef __EDG__
D__EDG__ __EDG__
#endif
#ifdef __EXCEPTIONS
D__EXCEPTIONS __EXCEPTIONS
#endif
#ifdef __LIBC_MATH_OVERLOAD__
D__LIBC_MATH_OVERLOAD__ __LIBC_MATH_OVERLOAD__
#endif
#ifdef __RTTI
D__RTTI __RTTI
#endif
#ifdef __STDC__
D__STDC__ __STDC__
#endif
" > /tmp/$TESTFILE.cxx

# Find the macro definition options.
MACROS=`
${CXX} ${CXXFLAGS} -E -v /tmp/$TESTFILE.cxx 2>&1 |
sed -n '/_COMPILER_VERSION/{s/ \/tmp\/'$TESTFILE'.cxx.*$//
s/ -/\\
-/g;p;}' |
sed -n '/^-D.*$/{s/-D\([^=]*\)=\([^ ]\{1,\} .*\)/-D\1='\''\2'\''/;p;}' |
sed -n 'H;${g;s/\n/ /g;p;}'`

# Find the internally defined macros.
LANGSTD=`
${CXX} ${CXXFLAGS} -E -v /tmp/$TESTFILE.cxx 2>&1 |
sed -n '/^D/ {s/^D/-D/;s/ /=/;p;}' |
sed -n 'H;${g;s/\n/ /g;p;}'`

# Find the include path options.
INCLUDES=`
${CXX} ${CXXFLAGS} -E -v /tmp/$TESTFILE.cxx 2>&1 |
sed -n '/_COMPILER_VERSION/{s/ \/tmp\/'$TESTFILE'.cxx.*$//
s/ -/\\
-/g;p;}' |
sed -n '/^-I.*$/{p;}' |
sed -n 'H;${g;s/\n/ /g;p;}'`

# The support headers are located where this script is.
SELFPATH=`echo $0 | sed -n '/\//{s/\/find_flags//;p;}'`
if test "x$SELFPATH" = "x" ; then SELFPATH="." ; fi
SELFPATH=`cd "$SELFPATH" ; pwd`
INCLUDES="-iwrapper\"$SELFPATH/7.3\" $INCLUDES"

rm -f /tmp/$TESTFILE.cxx

# Format and print out the options.
OPTIONS="$MACROS $LANGSTD $INCLUDES"
echo $OPTIONS
