+ echo '***' \(At least ${srctrigger} is missing.\) 1>&2
+ exit 1
+fi
+
+# Some systems (e.g., one of the i386-aix systems the gas testers are
+# using) don't handle "\$" correctly, so don't use it here.
+tooldir='$(exec_prefix)'/${target_alias}
+
+if [ "${host_alias}" != "${target_alias}" ] ; then
+ if [ "${program_prefixoption}" = "" ] ; then
+ if [ "${program_suffixoption}" = "" ] ; then
+ if [ "${program_transform_nameoption}" = "" ] ; then
+ program_prefix=${target_alias}- ;
+ fi
+ fi
+ fi
+fi
+
+# Merge program_prefix and program_suffix onto program_transform_name.
+# (program_suffix used to use $, but it's hard to preserve $ through both
+# make and sh.)
+if [ "${program_suffix}" != "" ] ; then
+ program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
+fi
+
+if [ "${program_prefix}" != "" ] ; then
+ 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
+/\\$/ b loop
+s/\\\n//g
+/^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CC=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+if [ -z "${CXX}" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
+ CXX=`tail -1 Makefile.cc`
+ rm -f Makefile.cc
+fi
+
+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 HOST_PREFIX"
+ tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
+ tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
+
+ for var in ${tools}; do
+ if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+/\\$/ b loop
+s/\\\n//g
+/^'"${var}"'[ ]*=/ s/'"${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-${target_alias}-as}
+ CC=${CC-${host_alias}-gcc}
+ CXX=${CXX-${host_alias}-gcc}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+ CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
+ DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
+ DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
+ 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-${target_alias}-ranlib}
+
+ if [ -z "${BISON}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/byacc; then
+ BISON=byacc
+ break
+ fi
+ if test -f $dir/bison; then
+ BISON=bison
+ break
+ fi
+ if test -f $dir/yacc; then
+ BISON=yacc
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ BISON=${BISON-bison}
+ fi
+
+ if [ -z "${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=${LEX-flex}
+ fi
+
+ # Export variables which autoconf might try to set.
+ export AS
+ export AR
+ export CC_FOR_BUILD
+ export DLLTOOL
+ export LD
+ export NM
+ export RANLIB
+else
+ # If CC is still not set, try to get gcc.
+ if [ -z "${CC}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ CC="gcc -O2"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ CC=${CC-cc}
+ fi
+
+ CXX=${CXX-"gcc"}
+fi
+
+export CC
+export CXX
+
+case "$host" in
+ *go32*)
+ enable_gdbtk=no ;;
+esac
+
+# Determine whether gdb needs tk/tcl or not.
+if [ "$enable_gdbtk" != "no" ]; then
+ GDB_TK="all-tcl all-tk"
+else
+ GDB_TK=""