+ program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
+fi
+
+# If CC and CXX are not set in the environment, and the Makefile
+# exists, try to extract them from it. This is to handle running
+# ./config.status by hand.
+if [ -z "${CC}" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CC=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+if [ -z "${CFLAGS}" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^CFLAGS[ ]*=/ s/CFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CFLAGS=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+if [ -z "${CXX}" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CXX=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^CXXFLAGS[ ]*=/ s/CXXFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CXXFLAGS=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+# Generate a default definition for YACC. This is used if the makefile can't
+# locate bison or byacc in objdir.
+
+for prog in 'bison -y' byacc yacc
+do
+ set dummy $prog; tmp=$2
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/$tmp; then
+ DEFAULT_YACC="$prog"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+
+ test -n "$DEFAULT_YACC" && break
+done
+
+# Generate a default definition for LEX. This is used if the makefile can't
+# locate flex in objdir.
+
+for prog in flex lex
+do
+ set dummy $prog; tmp=$2
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/$tmp; then
+ DEFAULT_LEX="$prog"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+
+ test -n "$DEFAULT_LEX" && break
+done
+
+if [ "${build}" != "${host}" ]; then
+ # If we are doing a Canadian Cross, in which the host and build systems
+ # are not the same, we set reasonable default values for the tools.
+
+ tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
+ tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
+ tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
+ tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
+ tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
+ tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
+
+ for var in ${tools}; do
+ if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
+ < Makefile > Makefile.v
+ t=`tail -1 Makefile.v`
+ if [ -n "${t}" ]; then
+ eval "${var}='${t}'"
+ fi
+ rm -f Makefile.v
+ fi
+ done
+
+ AR=${AR-${host_alias}-ar}
+ AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
+ AS=${AS-${host_alias}-as}
+ AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
+ BISON=${BISON-bison}
+ CC=${CC-${host_alias}-gcc}
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXX=${CXX-${host_alias}-c++}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+ CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
+ DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
+ DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
+ GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
+ HOST_PREFIX=${build_alias}-
+ HOST_PREFIX_1=${build_alias}-
+ LD=${LD-${host_alias}-ld}
+ LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
+ MAKEINFO=${MAKEINFO-makeinfo}
+ NM=${NM-${host_alias}-nm}
+ NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
+ RANLIB=${RANLIB-${host_alias}-ranlib}
+ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
+ WINDRES=${WINDRES-${host_alias}-windres}
+ WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
+
+ if [ -z "${YACC}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/bison; then
+ YACC="bison -y"
+ break
+ fi
+ if test -f $dir/byacc; then
+ YACC=byacc
+ break
+ fi
+ if test -f $dir/yacc; then
+ YACC=yacc
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if [ -z "${YACC}" ]; then
+ YACC="bison -y"
+ fi
+ fi
+
+ if [ -z "${LEX}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/flex; then
+ LEX=flex
+ break
+ fi
+ if test -f $dir/lex; then
+ LEX=lex
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ LEX=${LEX-flex}
+ fi
+
+ # Export variables which autoconf might try to set.
+ export AS
+ export AR
+ export CC_FOR_BUILD
+ export DLLTOOL
+ export LD
+ export NM
+ export RANLIB
+ export WINDRES
+else
+ # If CC is still not set, try to get gcc.
+ if [ -z "${CC}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ CC="gcc"
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ CC=${CC-cc}
+ fi
+
+ CXX=${CXX-"c++"}
+ CFLAGS=${CFLAGS-"-g"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+export CC
+export CXX
+export CFLAGS
+export CXXFLAGS
+
+# FIXME: This should be in configure.in, not configure
+case "$host" in
+ *go32*)
+ enable_gdbtk=no ;;
+ *msdosdjgpp*)
+ enable_gdbtk=no ;;
+ *cygwin32*)
+ enable_gdbtk=no ;;
+esac
+
+# FIXME: This should be in configure.in, not configure
+# Determine whether gdb needs tk/tcl or not.
+if [ "$enable_gdbtk" != "no" ]; then
+ GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
+ # start-sanitize-ide
+ if [ "$enable_ide" != "no" ]; then
+ GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui all-libide"
+ fi
+ # end-sanitize-ide
+else
+ GDB_TK=""