$NetBSD: patch-ab,v 1.1.1.1.4.1 2005/09/22 16:45:00 salo Exp $

--- configure.orig	2004-12-25 19:58:38.000000000 +0900
+++ configure
@@ -8993,6 +8993,9 @@ msdosdjgpp*)	LIBS="-lm $LIBS"
 		ac_cv_func_getpgrp_void=yes
 		ac_cv_func_setitimer=no
 		;;
+interix3*)	LIBS="-lm $LIBS"
+		ac_cv_func_getpgrp_void=yes
+		;;
 freebsd*)	LIBS="-lm $LIBS"
 		echo "$as_me:$LINENO: checking whether -lxpg4 has to be linked" >&5
 echo $ECHO_N "checking whether -lxpg4 has to be linked... $ECHO_C" >&6
@@ -14003,6 +14006,13 @@ echo $ECHO_N "checking whether OS depend
 			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
 			fi
 			rb_cv_dlopen=yes ;;
+	interix3*)	: ${LDSHARED='${CC} -shared'}
+			LDFLAGS="$LDFLAGS -Wl,-E"
+			# use special random-slot linkage in 0x[56]XXXXXXX
+			DLDFLAGS="$DLDFLAGS "'-Wl,-h,$(.TARGET) -Wl,--image-base,$$(($$RANDOM %4096/2*262144+1342177280))'
+			LIBPATHFLAG=' -L%1$-s'
+			RPATHFLAG=' -Wl,-R%1$-s'
+			rb_cv_dlopen=yes ;;
 	interix*) 	: ${LDSHARED="$CC -shared"}
 			XLDFLAGS="$XLDFLAGS -Wl,-E"
 			LIBPATHFLAG=" -L'%1\$-s'"
@@ -14776,6 +14786,14 @@ if test "$enable_shared" = 'yes'; then
 	LIBRUBY_DLDFLAGS='-install_name $(libdir)/lib$(RUBY_SO_NAME).dylib -current_version $(MAJOR).$(MINOR).$(TEENY) -compatibility_version $(MAJOR).$(MINOR)'
 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).$(MAJOR).$(MINOR).dylib lib$(RUBY_SO_NAME).dylib'
 	;;
+    interix3*)
+	SOLIBS='$(LIBS)'
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR).$(TEENY)'
+	# link explicitly to 0x48000000
+	LIBRUBY_DLDFLAGS='-Wl,-h,lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) -Wl,--image-base,1207959552'
+	LIBRUBYARG_SHARED='-Wl,-R -Wl,${libdir} -L${libdir} -L. -l$(RUBY_SO_NAME)'
+	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_SO_NAME).so'
+ 	;;
     interix*)
 	LIBRUBYARG_SHARED='-L${libdir} -L. -l$(RUBY_SO_NAME)'
 	;;