Cache $CCSHARED to make it available in subconfigure scripts.

Rev: src/configure.in:1.279

src/configure.in

-AC_REVISION("$Id: configure.in,v 1.278 1999/04/25 21:06:39 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.279 1999/04/29 10:48:28 mast Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -2781,6 +2781,7 @@ AC_MSG_RESULT($LDSHARED)
 # CCSHARED are the C *flags* used to create objects to go into a shared
 # library -- this is only needed for a few systems
 AC_MSG_CHECKING(CCSHARED)
+AC_CACHE_VAL(pike_cv_sys_ccshared,[
   if test -z "$CCSHARED" ; then
     if test "$GCC" = yes ; then
       case $pike_cv_sys_os in
@@ -2808,6 +2809,13 @@ if test -z "$CCSHARED" ; then
       esac
     fi
   fi
+  OLD_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS $CCSHARED"
+  AC_TRY_COMPILE([], [int main() { exit(0); }],
+    pike_cv_sys_ccshared="$CCSHARED", pike_cv_sys_ccshared='')
+  CFLAGS="$OLD_CFLAGS"
+])
+CCSHARED="$pike_cv_sys_ccshared"
 AC_MSG_RESULT($CCSHARED)
 
 AC_MSG_CHECKING(LINKFORSHARED)