avoid functions in configure

configure.in

@@ -936,17 +936,15 @@ esac
 MAX_C_OPTIMIZE="-O3"
 MAX_CXX_OPTIMIZE="-O3"
 
-fix_for_forte_x86 ()
-{
-  case $MACHINE_TYPE-$ac_cv_prog_gcc in
-    i?86-no)
-      # workaround for Sun Forte/x86 see BUG#4681
+# workaround for Sun Forte/x86 see BUG#4681
+case $SYSTEM_TYPE-$MACHINE_TYPE-$ac_cv_prog_gcc in
+  *solaris*-i?86-no)
     CFLAGS="$CFLAGS -DBIG_FILES"
     CXXFLAGS="$CXXFLAGS -DBIG_FILES"
     ;;
   *) ;;
-  esac
-}
+esac
+
 
 case $SYSTEM_TYPE in
   *solaris2.7*)
@@ -962,7 +960,6 @@ case $SYSTEM_TYPE in
     sed -e "s|^#if[ 	]*!defined(lint) && !defined(__lint)|#if !defined\(lint\) \&\& !defined\(__lint\) \&\& !defined\(getwc\)|" < /usr/include/widec.h > include/widec.h
     CFLAGS="$CFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
     CXXFLAGS="$CXXFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
-    fix_for_forte_x86
     ;;
   *solaris2.8*)
     # Solaris 2.8 has a broken /usr/include/widec.h
@@ -977,23 +974,19 @@ case $SYSTEM_TYPE in
     sed -e "s|^#if[ 	]*!defined(__lint)|#if !defined\(__lint\) \&\& !defined\(getwc\)|" < /usr/include/widec.h > include/widec.h
     CFLAGS="$CFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
     CXXFLAGS="$CXXFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
-    fix_for_forte_x86
     ;;
   *solaris2.5.1*)
     echo "Enabling getpass() workaround for Solaris 2.5.1"
     CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS -DHAVE_RWLOCK_T";
     CXXFLAGS="$CXXFLAGS -DHAVE_RWLOCK_T -DSOLARIS"
-    fix_for_forte_x86
     ;;
   *solaris*)
     CFLAGS="$CFLAGS -DHAVE_RWLOCK_T"
     CXXFLAGS="$CXXFLAGS -DHAVE_RWLOCK_T"
-    fix_for_forte_x86
     ;;
   *SunOS*)
     echo "Enabling getpass() workaround for SunOS"
     CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS";
-    fix_for_forte_x86
     ;;
   *hpux10.20*)
     echo "Enabling workarounds for hpux 10.20"