remove long unused code in the context of autogen.sh

autogen.sh

 #!/bin/sh
-# $Id$
+# $Id: autogen.sh 8435 2012-10-23 17:23:07Z sander $
 
 # barf on errors
 set -e
@@ -11,70 +11,6 @@ AMVERS=
 # (should be off for source distributions, this should happen automatically)
 DEFAULTCONFOPT="--enable-maintainer-mode"
 
-# default values
-DEBUG=1
-OPTIM=0
-
-usage () {
-    echo "Usage: ./autogen.sh [options]"
-    echo "  -i, --intel        use intel compiler"
-    echo "  -g, --gnu          use gnu compiler (default)"
-    echo "  --opts=FILE        use compiler-options from FILE"
-    echo "  -d, --debug        switch debug-opts on"
-    echo "  -n, --nodebug      switch debug-opts off"
-    echo "  -o, --optim        switch optimization on"
-    echo "  -h, --help         you already found this :)"
-}
-
-# no compiler set yet
-COMPSET=0
-for OPT in "$@"; do
-    set +e
-    # stolen from configure...
-    # when no option is set, this returns an error code
-    arg=`expr "x$OPT" : 'x[^=]*=\(.*\)'`
-    set -e
-
-    case "$OPT" in
-	-i|--intel)   . ./icc.opts ; COMPSET=1 ;;
-	-g|--gnu)     . ./gcc.opts ; COMPSET=1 ;;
-	--opts=*)
-	    if [ -r $arg ] ; then
-	      echo "reading options from $arg..."
-	      . ./$arg ;
-	      COMPSET=1;
-	    else
-	      echo "Cannot open compiler options file $arg!" ;
-	      exit 1;
-	    fi ;;
-	-d|--debug)   DEBUG=1 ;;
-	-n|--nodebug) DEBUG=0 ;;
-	-o|--optim)   OPTIM=1 ;;
-	-h|--help) usage ; exit 0 ;;
-	# pass unknown opts to ./configure
-	*) CONFOPT="$CONFOPT \"$OPT\"" ;;
-    esac
-done
-
-# use the free compiler as default
-if [ "$COMPSET" != "1" ] ; then
-    echo "No compiler set, using GNU compiler as default"
-    . ./gcc.opts
-fi
-
-# create flags
-COMPFLAGS="$FLAGS"
-
-# maybe add debug flag
-if [ "$DEBUG" = "1" ] ; then	
-    COMPFLAGS="$COMPFLAGS $DEBUGFLAGS"
-fi
-
-# maybe add optimization flag
-if [ "$OPTIM" = "1" ] ; then	
-    COMPFLAGS="$COMPFLAGS $OPTIMFLAGS"
-fi
-
 # check if automake-version was set
 if test "x$AMVERS" != x ; then
   echo Warning: explicitly using automake version $AMVERS
@@ -102,14 +38,3 @@ automake$AMVERS --add-missing
 
 echo "--> autoconf..."
 autoconf
-
-#### start configure with special environment
-
-export CC="$COMP"
-export CXX="$CXXCOMP"
-export CPP="$COMP -E"
-
-export CFLAGS="$COMPFLAGS"
-export CXXFLAGS="$COMPFLAGS"
-
-# eval ./configure $DEFAULTCONFOPT $CONFOPT

gcc.opts

-# $Id$
-
-# options for gcc/g++
-# remember to run ./autogen.sh after changing these values!
-
-# name of compiler binaries
-COMP="gcc"
-CXXCOMP="g++"
-
-# flags set in any case
-FLAGS="-Wall"
-
-# additional flags for debugging
-DEBUGFLAGS="-g"
-
-# additional flags for optimization
-OPTIMFLAGS="-O2"

icc.opts

-# $Id$
-
-# options for icc
-# remember to run ./autogen.sh after changing these values!
-
-# name of compiler binaries
-COMP="icc"
-CXXCOMP="icc"
-
-# flags set in any case
-FLAGS=""
-
-# additional flags for debugging
-DEBUGFLAGS="-O0 -g"
-
-# additional flags for optimization
-OPTIMFLAGS="-O3"