+# Make sure that the compiler is able to generate an executable. If it
+# can't, we are probably in trouble. We don't care whether we can run the
+# executable--we might be using a cross compiler--we only care whether it
+# can be created. At this point the main configure script has set CC.
+echo "int main () { return 0; }" > conftest.c
+${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
+if [ $? = 0 ] && [ -s conftest ]; then
+ :
+else
+ echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
+ echo 1>&2 "*** You must set the environment variable CC to a working compiler."
+ rm -f conftest*
+ exit 1
+fi
+rm -f conftest*
+
+# The Solaris /usr/ucb/cc compiler does not appear to work.
+case "${host}" in
+ sparc-sun-solaris2*)
+ CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
+ if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
+ could_use=
+ [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
+ if [ -d /opt/cygnus/bin ] ; then
+ if [ "$could_use" = "" ] ; then
+ could_use="/opt/cygnus/bin"
+ else
+ could_use="$could_use or /opt/cygnus/bin"
+ fi
+ fi
+ if [ "$could_use" = "" ] ; then
+ echo "Warning: compilation may fail because you're using"
+ echo "/usr/ucb/cc. You should change your PATH or CC "
+ echo "variable and rerun configure."
+ else
+ echo "Warning: compilation may fail because you're using"
+ echo "/usr/ucb/cc, when you should use the C compiler from"
+ echo "$could_use. You should change your"
+ echo "PATH or CC variable and rerun configure."
+ fi
+ fi
+ ;;
+esac
+
+# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
+# binutils tools will find libbfd.so.
+if [ "${shared}" = "yes" ]; then
+ sed -e 's/^SET_LIB_PATH[ ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
+ Makefile > Makefile.tem
+ rm -f Makefile
+ mv -f Makefile.tem Makefile
+
+ case "${host}" in
+ *-*-hpux*)
+ sed -e 's/RPATH_ENVVAR[ ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
+ Makefile > Makefile.tem
+ rm -f Makefile
+ mv -f Makefile.tem Makefile
+ ;;
+ esac
+fi
+