$NetBSD: patch-af,v 1.2 2003/08/04 15:34:21 jtb Exp $

--- stage0/configure.in.orig	2003-08-04 11:22:05.000000000 +0100
+++ stage0/configure.in	2003-08-04 11:22:10.000000000 +0100
@@ -56,7 +56,7 @@
 
 
 GC=""
-LDX_FLAGS="-lm"
+LDX_FLAGS="$LDFLAGS -lm"
 
 AC_CANONICAL_HOST
 AC_C_BIGENDIAN
@@ -179,32 +179,12 @@
 #  if using readline library, add appropriate LDX flags
 # should this a --with option?  Better defaults?
 
-case "$enable_readline" in
-  gnu | yes )
-     rdln_dir=""
-     for i in /lib /usr/lib /usr/local/lib $HOME/lib
-     do if test -r $i/libreadline.a
-        then rdln_dir=$i
-	fi
-     done
-     if test -z "$rdln_dir"
-     then echo "WARNING: could not find GNU readline library" >&2
-          echo "         may need to patch rshell/Makefile" >&2
-          LDX_FLAGS="-lreadline $LDX_FLAGS"
-     else LDX_FLAGS="-L$rdln_dir -lreadline $LDX_FLAGS"
-     fi
-     if test -r /usr/lib/libcur.a
-     then LDX_FLAGS="$LDX_FLAGS -lcur"
-     else if test -r /usr/lib/libtermcap.a
-	  then LDX_FLAGS="$LDX_FLAGS -ltermcap"
-	  fi
-     fi
-     RDLN="gnu" ;;
-  "std" | "no" | "" )
-     RDLN="std" ;;
-  *)
-     RDLN="$enable_readline" ;;
-esac
+AC_CHECK_LIB(readline, readline, RDLN="gnu", RDLN="std", -ltermcap)
+[
+if test "$RDLN" = "gnu"; then
+   ] LDX_FLAGS="$LDX_FLAGS -lreadline -ltermcap" [
+fi
+]
 
 if test "$enable_dynamic_linking" = "" -a "$dl_default" = "yes"
 then enable_dynamic_linking=yes
@@ -564,8 +544,10 @@
 $(SO_PRODUCT): $(SOFILES)
 	$(CC) -shared $(SOFILES) -o $(SO_PRODUCT) $(XLFLAGS)
 
-%.so: %.c
-	$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $^
+.SUFFIXES: .so
+
+.c.so:
+	$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o ${.TARGET} ${.IMPSRC}
 
 install.so: $(SO_PRODUCT)
 	cp $(SO_PRODUCT) $(INSTALL_DIR)/resource/modules