$NetBSD: patch-aa,v 1.15 2012/07/25 20:25:50 bsiegert Exp $

* Adding Interix and MirBSD support.

--- configure.in.orig	Fri Feb 18 10:37:23 2011
+++ configure.in
@@ -456,6 +456,9 @@ bsdi*)          LIBS="-lm $LIBS"
 		AC_DEFINE(BROKEN_SETREUID, 1)
 		AC_DEFINE(BROKEN_SETREGID, 1)
                 ac_cv_sizeof_rlim_t=8;;
+interix3*)	LIBS="-lm $LIBS"
+		ac_cv_func_getpgrp_void=yes
+		;;
 freebsd*)	LIBS="-lm $LIBS"
 		AC_CACHE_CHECK([whether -lxpg4 has to be linked],
 		  rb_cv_lib_xpg4_needed,
@@ -1232,6 +1235,13 @@ if test "$with_dln_a_out" != yes; then
 			    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="$XLDFLAGS -Wl,-E"
 			LIBPATHFLAG=" -L%1\$-s"
@@ -1244,7 +1254,7 @@ if test "$with_dln_a_out" != yes; then
 			  test "$GCC" = yes && test "$rb_cv_prog_gnu_ld" = yes || LDSHARED="ld -Bshareable"
 			fi
 			rb_cv_dlopen=yes ;;
-	openbsd*) 	: ${LDSHARED="\$(CC) -shared ${CCDLFLAGS}"}
+	openbsd*|mirbsd*) 	: ${LDSHARED="\$(CC) -shared ${CCDLFLAGS}"}
 			if test "$rb_cv_binary_elf" = yes; then
 			    LDFLAGS="$LDFLAGS -Wl,-E"
 			fi
@@ -1545,7 +1555,7 @@ if test "$enable_shared" = 'yes'; then
 	   LIBRUBY_ALIASES=""
 	fi
  	;;
-    openbsd*)
+    openbsd*|mirbsd*)
 	SOLIBS='$(LIBS)'
 	LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
 	;;
@@ -1581,6 +1591,14 @@ if test "$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$(RUBY_SO_NAME).so'
+ 	;;
     interix*)
 	LIBRUBYARG_SHARED='-L. -L${libdir} -l$(RUBY_SO_NAME)'
 	;;
@@ -1590,6 +1608,7 @@ if test "$enable_shared" = 'yes'; then
 fi
 if test "$enable_rpath" = yes; then
     LIBRUBYARG_SHARED="${linker_flag}-R ${linker_flag}\$(libdir) -L\$(libdir) $LIBRUBYARG_SHARED"
+    LIBRUBY_DLDFLAGS="${linker_flag}-R ${linker_flag}\$(libdir) -L\$(libdir) $LIBRUBY_DLDFLAGS"
 fi
 
 LDFLAGS="-L. $LDFLAGS"