--- gforth/Makefile.in 2008/01/16 14:42:51 1.384 +++ gforth/Makefile.in 2008/05/07 08:57:10 1.400 @@ -11,7 +11,7 @@ #This program is distributed in the hope that it will be useful, #but WITHOUT ANY WARRANTY; without even the implied warranty of -#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the +#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #GNU General Public License for more details. #You should have received a copy of the GNU General Public License @@ -66,13 +66,13 @@ INSTALL_INFO = @INSTALL_INFO@ LN_S = @LN_S@ M4 = @M4@ GCC = @CC@ -BOOTFORTH = @GFORTH@ +PREFORTH = ./preforth -p ".$(PATHSEP)~+$(PATHSEP)$(srcdir)" CC = $(GCC) FORTHPATH = .$(PATHSEP)$(libdir)/gforth/site-forth$(PATHSEP)$(siteforthdir)$(PATHSEP)$(libdir)/gforth/$(VERSION)$(PATHSEP)$(datadir)/gforth/$(VERSION) FORTHSIZES = @FORTHSIZES@ FORTHS_ARGS = -p "$(FORTHPATH)$(PATHSEP)$(srcdir)" FORTH_ARGS = --die-on-signal $(FORTHS_ARGS) -ENGINE = ./gforth$(OPT) +ENGINE = ./gforth FORTH = $(ENGINE) $(FORTH_ARGS) FORTHS = $(ENGINE) $(FORTHS_ARGS) # the (existing) forth system to use for cross compiling and primitives tables @@ -83,7 +83,7 @@ BUILDFORTH = $(ENGINE) --die-on-signal - FORTHB = $(BUILDFORTH) exboot.fs -e 'fpath= .|~+|$(srcdir)' # the Forth system for running prims2x.fs FORTHP = $(FORTH) -ENGINE_FAST = ./gforth-fast$(OPT) +ENGINE_FAST = ./gforth-fast FORTH_FAST = $(ENGINE_FAST) $(FORTH_ARGS) FORTHKFLAGS= --die-on-signal -p ".$(PATHSEP)~+$(PATHSEP)$(srcdir)" -i $(kernel_fi) FORTHK = $(ENGINE) $(FORTHKFLAGS) @@ -107,6 +107,7 @@ SWITCHES = $(XCFLAGS) $(XDEFINES) $(OPTD ENGINE_FLAGS = @ENGINE_FLAGS@ -fno-defer-pop -fcaller-saves DEBUGFLAG = @DEBUGFLAG@ CFLAGS = $(DEBUGFLAG) -I$(srcdir)/engine -I$(srcdir)/arch/$(machine) -O3 -Wall $(SWITCHES) -DDEFAULTPATH='"$(FORTHPATH)"' +CPPFLAGS = @CPPFLAGS@ #John Wavrik should use -Xlinker -N to get a writable text (executable) XLDFLAGS = @LDFLAGS@ @@ -298,7 +299,6 @@ ALLSUBDIRS = engine ARCHS = \ arch/generic/machine.h \ - arch/generic/128bit.h \ arch/m68k/machine.h \ arch/mips/machine.h \ arch/386/machine.h \ @@ -310,8 +310,7 @@ ARCHS = \ arch/alpha/machine.h \ arch/arm/machine.h \ arch/arm/cacheflush0.c \ - arch/arm/cacheflush1.c \ - arch/arm/cacheflush2.c \ + arch/arm/cacheflush-linux.c \ arch/ia64/machine.h \ arch/ia64/flush_icache_block.c \ arch/amd64/machine.h \ @@ -385,7 +384,7 @@ VMGEN_EX2 = $(VMGEN_EX:vmgen-ex/%=vmgen- ENGINE_SOURCES = engine/Makefile.in engine/config.h.in \ engine/engine.c engine/main.c \ engine/io.c engine/support.c engine/signals.c engine/libcc.h.in \ - engine/profile.c \ + engine/profile.c engine/128bit.h \ engine/getopt.c engine/getopt1.c engine/getopt.h engine/select.c \ engine/ecvt.c engine/memcmp.c engine/rint.c \ engine/strtol.c engine/strtoul.c \ @@ -396,7 +395,7 @@ ENGINE_SOURCES = engine/Makefile.in engi engine/makefile.dos engine/makefile.os2 SOURCES = $(CVSDIRS) $(ENGINE_SOURCES) compat Makefile.in Makedist.in \ - gforthmi.in vmgen.in gfgen README.vmgen NEWS.vmgen \ + gforthmi.in vmgen.in preforth.in gfgen README.vmgen NEWS.vmgen \ configure.in configure config.sub config.guess elisp-comp missing \ stamp-h.in envos.fs.in \ iss.sh install-sh INSTALL INSTALL.BINDIST NEWS README ToDo BUGS \ @@ -414,11 +413,11 @@ SOURCES = $(CVSDIRS) $(ENGINE_SOURCES) c $(INCLUDES) $(FORTH_SRC) $(COMPAT) $(VMGEN_EX) $(VMGEN_EX2) \ timings.sc \ test/coretest.out test/checkans.out test/gforth.out \ - cache-fast*.vmg + cache*.vmg peeprules.vmg prim RCS_FILES = ToDo model high-level -ENGINES = gforth$(OPT)$(EC)$(EXE) gforth-ditc$(EC)$(EXE) gforth-itc$(EC)$(EXE) $(PROFEXES) +ENGINES = gforth$(EC)$(EXE) gforth-ditc$(EC)$(EXE) gforth-itc$(EC)$(EXE) $(PROFEXES) ENGINES_FAST = gforth-fast$(OPT)$(EC)$(EXE) #gforth-native$(OPT)$(EC)$(EXE) @@ -441,7 +440,7 @@ FORTH_GEN = $(FORTH_GEN0) @KERNEL@ gfor FORTH_GEN1 = $(FORTH_GEN0) @kernel_fi@ build-ec #kernel dependencies -KERN_DEPS = $(KERN_SRC) kernel/version.fs machpc.fs $(FORTH_GEN0) compat/strcomp.fs gforth$(OPT)$(EXE) +KERN_DEPS = $(KERN_SRC) kernel/version.fs machpc.fs $(FORTH_GEN0) compat/strcomp.fs #distributed documentation DOCDIST = doc/gforth.info doc/gforth.info-* doc/gforth.ps \ @@ -455,6 +454,7 @@ KERNLS = kernl16b$(EC).fi- kernl16l$(EC) kernl32b$(EC).fi- kernl32l$(EC).fi- \ kernl64b$(EC).fi- kernl64l$(EC).fi- +# ------------- Make forth images GEN_PRECIOUS = $(FORTH_GEN) $(KERNLS) \ doc/gforth.texi doc/gforth.dvi doc/gforth.ps \ doc/vmgen.dvi doc/vmgen.ps \ @@ -482,8 +482,7 @@ kernel/version.fs: version echo ": version-string s\" $(VERSION)\" ;" > kernel/version.fs more: $(ENGINES) $(FORTH_GEN) $(GEN) - @make check - @$(FORTH_FAST) --diag -e bye + @$(MAKE) check #from the gcc Makefile: #"Deletion of files made during compilation. @@ -526,18 +525,20 @@ distclean: clean -$(RM) -rf config.cache config.log config.status \ engine/config.h Makefile Makedist engine/Makefile \ stamp-h engine/stamp-h \ - doc/version.texi gforthmi vmgen \ + doc/version.texi gforthmi vmgen preforth \ prim-fast.b $(FORTH_GEN_ENGINE_FAST) #realclean is useless, but dangerous, so it's commented out realclean: distclean - -$(RM) $(GEN_PRECIOUS) + -$(RM) -rf $(GEN_PRECIOUS) `cat .cvsignore` #mostlyclean, but also remove some of the stuff that is distributed virtualclean: mostlyclean -$(RM) -rf gforth.fns gforth.texi gforth.ps gforth.info* \ gforth-$(VERSION).tar.gz config.cache *~ */*~ +maintainer-clean: realclean + #Some makes (Ultrix, SunOS, IRIX) are so broken, they cannot read the #Makefile if it contains our dist rules. Therefore we have put these #rules in Makedist (you can use them with GNU make on these systems). @@ -640,13 +641,14 @@ uninstall: FORCE @echo -e "To remove Gforth completely, type\n$(RM) -rf $(DESTDIR)$(bindir)/gforth$(EC)$(EXE) $(DESTDIR)$(bindir)/gforth-fast$(EC)$(EXE) $(DESTDIR)$(bindir)/gforth-itc$(EC)$(EXE) $(DESTDIR)$(bindir)/gforthmi $(DESTDIR)$(bindir)/vmgen $(DESTDIR)$(man1dir)/gforth.1 $(DESTDIR)$(infodir)/gforth.info* $(DESTDIR)$(datadir)/gforth $(DESTDIR)$(libdir)/gforth" check: gforths gforth.fi - $(MAKE) checkone check-nofast ENGINE="./gforth$(OPT) --no-dynamic" >/dev/null 2>&1 + $(MAKE) checkone check-nofast ENGINE="./gforth --no-dynamic" >/dev/null 2>&1 $(MAKE) checkone check-nofast ENGINE="./gforth-itc" >/dev/null 2>&1 $(MAKE) checkone check-nofast ENGINE="./gforth-ditc" >/dev/null 2>&1 - $(MAKE) checkone ENGINE="./gforth-fast$(OPT) --no-dynamic" >/dev/null 2>&1 - $(MAKE) checkone check-nofast ENGINE="./gforth$(OPT)" >/dev/null 2>&1 - $(MAKE) checkone ENGINE="./gforth-fast$(OPT)" >/dev/null 2>&1 + $(MAKE) checkone ENGINE="./gforth-fast --no-dynamic" >/dev/null 2>&1 + $(MAKE) checkone check-nofast ENGINE="./gforth" >/dev/null 2>&1 + $(MAKE) checkone ENGINE="./gforth-fast" >/dev/null 2>&1 @echo "*** Check successful ***" + ./gforth-fast --diag -e bye checkone test: gforth.fi engine/prim-s.i $(FORTH) test/tester.fs test/coretest.fs test/postpone.fs test/dbltest.fs test/string.fs test/float.fs test/deferred.fs test/coreext.fs test/search.fs -e bye 2>&1 | tr -d '\015' | diff -c - $(srcdir)/test/coretest.out @@ -667,7 +669,7 @@ test/primtest.fi: test/primtest.fs mach3 primtest: gforth gforth-native test/primtest.fi FORCE (echo rs|ENVVAR=bla ./gforth -i test/primtest.fi) && (echo rs|ENVVAR=bla ./gforth-native -i test/primtest.fi); echo $$? -bench: gforth-fast$(OPT)$(EC)$(EXE) gforth.fi +bench: gforth-fast$(EC)$(EXE) gforth.fi @echo 'Each benchmark takes about 30s on a 486-66 (gcc-2.6.3 -DFORCE_REG)' time $(FORTH_FAST) siev.fs -e "main bye" time $(FORTH_FAST) bubble.fs -e "main bye" @@ -685,11 +687,6 @@ all-bench allbench: ./gforth-itc onebench.fs ./gforth-ditc onebench.fs -# ------------- Bootstrapping -bootstrap: - [ ! -z "${BOOTFORTH}" ] && \ - ${MAKE} BUILDFORTH="${BOOTFORTH}" FORTHP="${BOOTFORTH}" engine/prim.i ${BKERNLS} - # ------------- Make forth images # How to make new images: @@ -701,26 +698,26 @@ bootstrap: # these are the ones we want to use now kernl16l$(EC).fi-: $(KERN_DEPS) mach16l.fs - $(FORTHB) -e 's" mach16l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl16l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach16l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl16l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" kernl16b$(EC).fi-: $(KERN_DEPS) mach16b.fs - $(FORTHB) -e 's" mach16b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl16b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach16b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl16b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" kernl32l$(EC).fi-: $(KERN_DEPS) mach32l.fs - $(FORTHB) -e 's" mach32l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl32l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach32l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl32l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" kernl32b$(EC).fi-: $(KERN_DEPS) mach32b.fs - $(FORTHB) -e 's" mach32b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl32b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach32b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl32b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" kernl64l$(EC).fi-: $(KERN_DEPS) mach64l.fs - $(FORTHB) -e 's" mach64l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl64l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach64l.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl64l$(EC).fi- $(bindir)/gforth-$(VERSION) bye" kernl64b$(EC).fi-: $(KERN_DEPS) mach64b.fs - $(FORTHB) -e 's" mach64b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl64b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" + $(PREFORTH) -e 's" mach64b.fs"' $(srcdir)/kernel/main.fs -e "save-cross kernl64b$(EC).fi- $(bindir)/gforth-$(VERSION) bye" #Solaris make does not like that: @GNUMAKE@kernl-%.fi: arch/%/mach.fs arch/%/prim.fs arch/%/asm.fs $(KERN_SRC) kernel/version.fs $(FORTH_GEN0) -@GNUMAKE@ $(FORTHB) -e 's" $<"' $(srcdir)/kernel/main.fs -e "save-cross $@- $(bindir)/gforth-$(VERSION) bye" +@GNUMAKE@ $(PREFORTH) -e 's" $<"' $(srcdir)/kernel/main.fs -e "save-cross $@- $(bindir)/gforth-$(VERSION) bye" @GNUMAKE@ if [ -f `echo $< | sed s/fs/sh/` ]; \ @GNUMAKE@ then sh `echo $< | sed s/fs/sh/` $@; \ @GNUMAKE@ else $(CP) $@- $@; \ @@ -771,23 +768,23 @@ prim-fast.b: prim cache-fast$(STACK_CACH sleep 1 #should make hpux-workaround unnecessary $(FORTH_GEN_ENGINE_FAST): prim-fast.b prims2x.fs - GFORTH="$(FORTHP)" $(srcdir)/gfgen -fast + GFORTH="$(PREFORTH)" $(srcdir)/gfgen -fast $(FORTH_GEN_ENGINE): prim.b prims2x.fs - GFORTH="$(FORTHP)" $(srcdir)/gfgen + GFORTH="$(PREFORTH)" $(srcdir)/gfgen engine/prim-s.i: engine/prim.i grep -v '^#line ' $(srcdir)/engine/prim.i >$@ kernel/aliases.fs: prim.b prims2x.fs kernel/aliases0.fs $(CP) kernel/aliases0.fs $@- - $(FORTHP) prims2x.fs -e "forth-flag on s\" prim.b\" ' output-alias ' noop process-file bye" >>$@- + $(PREFORTH) prims2x.fs -e "forth-flag on s\" prim.b\" ' output-alias ' noop process-file bye" >>$@- $(CP) $@- $@ $(RM) $@- kernel/prim.fs: prim.b prims2x.fs kernel/prim0.fs $(CP) kernel/prim0.fs kernel/prim.fs- - $(FORTHP) prims2x.fs -e "forth-flag on s\" prim.b\" ' output-forth ' output-forth-combined process-file bye" >>$@- + $(PREFORTH) prims2x.fs -e "forth-flag on s\" prim.b\" ' output-forth ' output-forth-combined process-file bye" >>$@- $(CP) $@- $@ $(RM) $@- @@ -799,34 +796,34 @@ MAKELINE-noll-reg = OPT=-noll-reg OPTDEF MAKELINE-ll = OPT=-ll OPTDEFINES=-DFORCE_LL OPTOBJECTS= MAKELINE-noll = OPT=-noll OPTDEFINES= OPTOBJECTS=dblsub.o -gforth$(OPT)$(EC)$(EXE): $(ENGINE_SOURCES) $(FORTH_GEN_ENGINE) engine/config.h +gforth$(OPT)$(EC)$(EXE): $(ENGINE_SOURCES) $(FORTH_GEN_ENGINE) engine/config.h $(kernel_fi) if test -z "$(OPT)"; then \ - for i in $(OPTS); do make optgforth OPT=$$i && $(CP) gforth$${i}$(EC)$(EXE) $@ && break; done; \ + for i in $(OPTS); do $(MAKE) optgforth OPT=$$i && $(CP) gforth$${i}$(EC)$(EXE) $@ && break; done; \ else \ ( cd engine && $(MAKE) $@ ) && \ $(CP) gforth$(OPT)$(EC)$(EXE) gforth~; \ $(CP) engine/$@ $@ && \ $(MASSAGE_EXE) $@; \ @GFORTH_EXE@; \ - make checkone check-nofast ENGINE=./engine/$@; \ + $(MAKE) checkone check-nofast ENGINE=./engine/$@; \ fi optgforth: - make gforth$(OPT)$(EC)$(EXE) $(MAKELINE$(OPT)) + $(MAKE) gforth$(OPT)$(EC)$(EXE) $(MAKELINE$(OPT)) gforth-fast$(OPT)$(EC)$(EXE): $(ENGINE_SOURCES) $(FORTH_GEN_ENGINE_FAST) engine/config.h if test -z "$(OPT)"; then \ - for i in $(OPTS); do make optgforth-fast OPT=$$i && $(CP) gforth-fast$${i}$(EC)$(EXE) $@ && break; done; \ + for i in $(OPTS); do $(MAKE) optgforth-fast OPT=$$i && $(CP) gforth-fast$${i}$(EC)$(EXE) $@ && break; done; \ else \ ( cd engine && $(MAKE) $@ ) && \ $(CP) engine/$@ $@ && \ $(MASSAGE_EXE) $@; \ @GFORTHFAST_EXE@; \ - make checkone ENGINE=./engine/$@; \ + $(MAKE) checkone ENGINE=./engine/$@; \ fi optgforth-fast: - make gforth-fast$(OPT)$(EC)$(EXE) $(MAKELINE$(OPT)) + $(MAKE) gforth-fast$(OPT)$(EC)$(EXE) $(MAKELINE$(OPT)) gforth-native$(OPT)$(EC)$(EXE): engines-fast $(CP) engine/$@ $@ @@ -855,7 +852,7 @@ gforths: $(ENGINES) $(ENGINES_FAST) $(FORTHK) prim2cl.fs -e "file $< altogether bye" >$@ %.so: %.c - $(GCC) -shared $(CFLAGS) $< -o $@ + $(GCC) -shared $(CFLAGS) $(CPPFLAGS) $< -o $@ # ------------- Make Documentation @@ -869,26 +866,26 @@ tags: gforth.tags install.TAGS: TAGS sed 's;^\$(srcdir)/;;' TAGS|awk 'BEGIN {RS="\014\n"; ORS=RS} {if (NR==1) print $0; else print "$(datadir)/gforth/$(VERSION)/"$$0;}' >install.TAGS -gforth.TAGS: @kernel_fi@ gforth$(OPT)$(EC)$(EXE) $(GFORTH_FI_SRC) prim.TAGS kernel.TAGS +gforth.TAGS: @kernel_fi@ gforth$(EC)$(EXE) $(GFORTH_FI_SRC) prim.TAGS kernel.TAGS $(FORTHK) etags.fs except.fs startup.fs -e bye cat TAGS prim.TAGS kernel.TAGS >gforth.TAGS rm TAGS -gforth.tags: @kernel_fi@ gforth$(OPT)$(EC)$(EXE) $(GFORTH_FI_SRC) prim.tags kernel.tags +gforth.tags: @kernel_fi@ gforth$(EC)$(EXE) $(GFORTH_FI_SRC) prim.tags kernel.tags $(FORTHK) tags.fs except.fs startup.fs -e bye cat tags prim.tags kernel.tags >gforth.tags rm tags prim.TAGS: prim.b prims2x.fs - $(FORTHP) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-tag dup process-file bye"|sed 's#^./prim#prim#' >$@- + $(PREFORTH) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-tag dup process-file bye"|sed 's#^./prim#prim#' >$@- $(CP) $@- $@ $(RM) $@- prim.tags: prim.b prims2x.fs #echo '2c\' >prim.TAGS.sed #echo $(srcdir)/prim >>prim.TAGS.sed - #$(FORTHP) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-tag dup process-file bye" | sed -f prim.TAGS.sed >$@- - $(FORTHP) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-vi-tag dup process-file bye" >$@- + #$(PREFORTH) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-tag dup process-file bye" | sed -f prim.TAGS.sed >$@- + $(PREFORTH) prims2x.fs -e "s\" $(srcdir)/prim.b\" ' output-vi-tag dup process-file bye" >$@- $(CP) $@- $@ $(RM) $@- @@ -910,9 +907,9 @@ doc/doc.fd: doc/makedoc.fs $(GFORTH_FI_S doc/crossdoc.fd: $(KERN_SRC) kernel/version.fs $(FORTH_GEN0) $(FORTHK) -e 's" mach32l.fs"' kernel/main.fs -e bye -doc/gforth.texi: doc/gforth.ds prim.b ds2texi.fs prims2x.fs \ +doc/gforth.texi: doc/gforth.ds prim.b ds2texi.fs prims2x.fs \ doc/doc.fd doc/crossdoc.fd - $(FORTHP) ds2texi.fs prims2x.fs -e "s\" $(srcdir)/prim.b\" ' register-doc ' noop process-file" doc/crossdoc.fd doc/doc.fd -e "s\" $(srcdir)/doc/gforth.ds\" r/o open-file throw ds2texi bye" >$@- + $(PREFORTH) ds2texi.fs prims2x.fs -e "s\" $(srcdir)/prim.b\" ' register-doc ' noop process-file" doc/crossdoc.fd doc/doc.fd -e "s\" $(srcdir)/doc/gforth.ds\" r/o open-file throw ds2texi bye" >$@- $(CP) $@- $@ $(RM) $@- @@ -988,7 +985,7 @@ engine/config.h: stamp-h stamp-h: engine/config.h.in config.status stamp-h.in ./config.status -Makefile Makedist engine/Makefile gforthmi vmgen machpc.fs doc/version.texi envos.fs build-ec: Makefile.in Makedist.in engine/Makefile.in gforthmi.in vmgen.in machpc.fs.in doc/version.texi.in config.status configure.in envos.fs.in build-ec.in +Makefile Makedist engine/Makefile gforthmi vmgen preforth machpc.fs doc/version.texi envos.fs build-ec: Makefile.in Makedist.in engine/Makefile.in gforthmi.in vmgen.in preforth.in machpc.fs.in doc/version.texi.in config.status configure.in envos.fs.in build-ec.in ./config.status config.status: configure @@ -1003,6 +1000,6 @@ makefile.os2 engine/makefile.os2: mkos2m sed -f mkos2mf.sed makefile.os2 sed -f mkos2mf.sed engine/makefile.os2 echo '%.o: %.c' >>makefile.os2 - echo ' $$(GCC) $$(CFLAGS) -c $$<' >>makefile.os2 + echo ' $$(GCC) $$(CFLAGS) $$(CPPFLAGS) -c $$<' >>makefile.os2 echo '%.o: %.c' >>engine/makefile.os2 - echo ' $$(GCC) $$(CFLAGS) -c $$<' >>engine/makefile.os2 + echo ' $$(GCC) $$(CFLAGS) $$(CPPFLAGS) -c $$<' >>engine/makefile.os2