Devise a counterpart for libnix13.

From now on nix13 or nix20 will have to be provided explicitely to linker,
depending on which Kickstart your application should run on.

configure

@@ -1202,6 +1202,7 @@ trap 'rm -fr `echo "Makefile
           sources/misc/Makefile
           sources/nix/Makefile
           sources/nix13/Makefile
+          sources/nix20/Makefile
           sources/nixmain/Makefile
           sources/nix_main/Makefile
           sources/socket/Makefile
@@ -1297,6 +1298,7 @@ CONFIG_FILES=\${CONFIG_FILES-"Makefile
           sources/misc/Makefile
           sources/nix/Makefile
           sources/nix13/Makefile
+          sources/nix20/Makefile
           sources/nixmain/Makefile
           sources/nix_main/Makefile
           sources/socket/Makefile

configure.in

@@ -19,6 +19,7 @@ AC_OUTPUT(Makefile
           sources/misc/Makefile
           sources/nix/Makefile
           sources/nix13/Makefile
+          sources/nix20/Makefile
           sources/nixmain/Makefile
           sources/nix_main/Makefile
           sources/socket/Makefile

manifests/bin

@@ -4,6 +4,7 @@ lib/libb/libm020/libm881/libnix/detach.o
 lib/libb/libm020/libm881/libnix/libm.a
 lib/libb/libm020/libm881/libnix/libnix.a
 lib/libb/libm020/libm881/libnix/libnix13.a
+lib/libb/libm020/libm881/libnix/libnix20.a
 lib/libb/libm020/libm881/libnix/libnix_main.a
 lib/libb/libm020/libm881/libnix/libnixmain.a
 lib/libb/libm020/libm881/libnix/libstack.a
@@ -13,6 +14,7 @@ lib/libb/libm020/libnix/detach.o
 lib/libb/libm020/libnix/libm.a
 lib/libb/libm020/libnix/libnix.a
 lib/libb/libm020/libnix/libnix13.a
+lib/libb/libm020/libnix/libnix20.a
 lib/libb/libm020/libnix/libnix_main.a
 lib/libb/libm020/libnix/libnixmain.a
 lib/libb/libm020/libnix/libstack.a
@@ -22,6 +24,7 @@ lib/libb/libnix/detach.o
 lib/libb/libnix/libm.a
 lib/libb/libnix/libnix.a
 lib/libb/libnix/libnix13.a
+lib/libb/libnix/libnix20.a
 lib/libb/libnix/libnix_main.a
 lib/libb/libnix/libnixmain.a
 lib/libb/libnix/libstack.a
@@ -31,6 +34,7 @@ lib/libm020/libm881/libnix/detach.o
 lib/libm020/libm881/libnix/libm.a
 lib/libm020/libm881/libnix/libnix.a
 lib/libm020/libm881/libnix/libnix13.a
+lib/libm020/libm881/libnix/libnix20.a
 lib/libm020/libm881/libnix/libnix_main.a
 lib/libm020/libm881/libnix/libnixmain.a
 lib/libm020/libm881/libnix/libstack.a
@@ -40,6 +44,7 @@ lib/libm020/libnix/detach.o
 lib/libm020/libnix/libm.a
 lib/libm020/libnix/libnix.a
 lib/libm020/libnix/libnix13.a
+lib/libm020/libnix/libnix20.a
 lib/libm020/libnix/libnix_main.a
 lib/libm020/libnix/libnixmain.a
 lib/libm020/libnix/libstack.a
@@ -51,6 +56,7 @@ lib/libnix/libinitr.o
 lib/libnix/libm.a
 lib/libnix/libnix.a
 lib/libnix/libnix13.a
+lib/libnix/libnix20.a
 lib/libnix/libnix_main.a
 lib/libnix/libnixmain.a
 lib/libnix/libstack.a

manifests/src

@@ -131,9 +131,7 @@ sysdep/libnix/sources/nix/extra/snprintf.c
 sysdep/libnix/sources/nix/extra/stat.c
 sysdep/libnix/sources/nix/extra/stpcpy.c
 sysdep/libnix/sources/nix/extra/strdup.c
-sysdep/libnix/sources/nix/extra/stricmp.c
 sysdep/libnix/sources/nix/extra/strlower.c
-sysdep/libnix/sources/nix/extra/strnicmp.c
 sysdep/libnix/sources/nix/extra/strupper.c
 sysdep/libnix/sources/nix/extra/timer.c
 sysdep/libnix/sources/nix/extra/times.c
@@ -151,7 +149,6 @@ sysdep/libnix/sources/nix/math/__adddf3.c
 sysdep/libnix/sources/nix/math/__addsf3.c
 sysdep/libnix/sources/nix/math/__divdf3.c
 sysdep/libnix/sources/nix/math/__divsf3.c
-sysdep/libnix/sources/nix/math/__divsi3.c
 sysdep/libnix/sources/nix/math/__eqdf2.c
 sysdep/libnix/sources/nix/math/__eqsf2.c
 sysdep/libnix/sources/nix/math/__extendsfdf2.c
@@ -163,13 +160,11 @@ sysdep/libnix/sources/nix/math/__floatsidf.c
 sysdep/libnix/sources/nix/math/__floatsisf.c
 sysdep/libnix/sources/nix/math/__muldf3.c
 sysdep/libnix/sources/nix/math/__mulsf3.c
-sysdep/libnix/sources/nix/math/__mulsi3.c
 sysdep/libnix/sources/nix/math/__negdf2.c
 sysdep/libnix/sources/nix/math/__negsf2.c
 sysdep/libnix/sources/nix/math/__subdf3.c
 sysdep/libnix/sources/nix/math/__subsf3.c
 sysdep/libnix/sources/nix/math/__truncdfsf2.c
-sysdep/libnix/sources/nix/math/__udivsi3.c
 sysdep/libnix/sources/nix/misc/__request.c
 sysdep/libnix/sources/nix/misc/bcopy.c
 sysdep/libnix/sources/nix/misc/bzero.c
@@ -284,6 +279,12 @@ sysdep/libnix/sources/nix13/extra/strnicmp.c
 sysdep/libnix/sources/nix13/math/__divsi3.c
 sysdep/libnix/sources/nix13/math/__mulsi3.c
 sysdep/libnix/sources/nix13/math/__udivsi3.c
+sysdep/libnix/sources/nix20/Makefile.in
+sysdep/libnix/sources/nix20/extra/stricmp.c
+sysdep/libnix/sources/nix20/extra/strnicmp.c
+sysdep/libnix/sources/nix20/math/__divsi3.c
+sysdep/libnix/sources/nix20/math/__mulsi3.c
+sysdep/libnix/sources/nix20/math/__udivsi3.c
 sysdep/libnix/sources/nix_main/Makefile.in
 sysdep/libnix/sources/nix_main/__nocommandline.c
 sysdep/libnix/sources/nix_main/_main.c

sources/Makefile.in

@@ -26,7 +26,7 @@ CURDIR = $(shell pwd)
 
 MAKELIST=$(MAKE) -f $(CURDIR)/Makefile
 
-SUBDIRS=nixmain nix_main misc math nix nix13 socket stack stubs
+SUBDIRS=nixmain nix_main misc math nix nix13 nix20 socket stack stubs
 
 all: $(foreach f,$(SUBDIRS),$(CURDIR)/$(f))
 	for subdir in $(SUBDIRS); do \
@@ -45,6 +45,7 @@ filelists:
 	-cd $(srcdir)/math;	$(MAKELIST) SOURCEFILES="*/*.[cSCh]" FLDIR=$(CURDIR)/math $(CURDIR)/math/filelist
 	-cd $(srcdir)/nix;	$(MAKELIST) SOURCEFILES="*/*.[cSCh]" FLDIR=$(CURDIR)/nix $(CURDIR)/nix/filelist
 	-cd $(srcdir)/nix13;	$(MAKELIST) SOURCEFILES="*/*.[cSCh]" FLDIR=$(CURDIR)/nix13 $(CURDIR)/nix13/filelist
+	-cd $(srcdir)/nix20;	$(MAKELIST) SOURCEFILES="*/*.[cSCh]" FLDIR=$(CURDIR)/nix20 $(CURDIR)/nix20/filelist
 	-cd $(srcdir)/socket;	$(MAKELIST) SOURCEFILES="*/*.[cSCh]" FLDIR=$(CURDIR)/socket $(CURDIR)/socket/filelist
 	-cd $(srcdir)/stack;	$(MAKELIST) SOURCEFILES="*.c" FLDIR=$(CURDIR)/stack $(CURDIR)/stack/filelist
 	-cd $(srcdir)/stubs;	$(MAKE) -f $(CURDIR)/Makefile STUBDIR=$(CURDIR)/stubs libbases/dos.c; \

sources/nix20/Makefile.in

@@ -0,0 +1,56 @@
+#### Start of system configuration section. ####
+
+srcdir =	@srcdir@
+VPATH =		@srcdir@
+
+CC =		@CC@
+CPP =		@CPP@
+AS =		@AS@
+
+AR =		@AR@
+RANLIB =	@RANLIB@
+AWK =		@AWK@
+
+#### End system configuration section ####
+
+ifneq ($(TARGET),clean)
+include ../../sources/nix20/filelist
+endif
+
+CURDIR = $(shell pwd)
+
+OPTIONS=-I$(srcdir)/../headers $(CFLAGS) -msmall-code
+
+REDEF=-D_DOSBase=___DOSBase \
+      -D_UtilityBase=___UtilityBase \
+      -D_MathIeeeSingBasBase=___MathIeeeSingBasBase \
+      -D_MathIeeeSingTransBase=___MathIeeeSingTransBase \
+      -D_MathIeeeDoubBasBase=___MathIeeeDoubBasBase \
+      -D_MathIeeeDoubTransBase=___MathIeeeDoubTransBase \
+      -D_LocaleBase=___LocaleBase
+
+%.o: %.c
+	$(CC) $(OPTIONS) -S $^ -o $*.S 2>&1|tee $*.err
+	$(CPP) -traditional $(REDEF) $*.S -o $*2.S
+	$(CC) $(OPTIONS) $*2.S -c -o $*.o
+	-rm $*.S $*2.S
+	-if test ! -s $*.err; then rm $*.err; fi
+
+.PHONY: all clean veryclean
+
+all: libnix20.a
+
+clean:
+	-rm -rf $(SUBDIRS)
+
+veryclean:
+	-rm -rf *
+
+$(foreach f,$(SUBDIRS),$(CURDIR)/$(f)):
+	mkdir $@
+
+libnix20.a: $(foreach f,$(SUBDIRS),$(CURDIR)/$(f)) $(OBJECTS) ../../sources/nix20/Makefile ../../sources/nix20/filelist
+	-rm -f $@
+	$(AR) -q $@ $(OBJECTS)
+	$(RANLIB) $@
+	echo "\$$$(V)" >>$@