Hi Gaius,

I’m finding it hard to figure out how the configuration is supposed to work for 
cross compilers (and more so for Canadian/native crosses).

Apologies if this is already answered in other review (but maybe some notes 
would help in that case).

questions in-line, thanks
Iain
 
> On 26 Dec 2022, at 14:46, Gaius Mulley via Gcc-patches 
> <gcc-patches@gcc.gnu.org> wrote:
> 
> 
> Hello,
> 
> Bootstrapped on amd64 GNU/Linux.  Ok for trunk?
> 
> regards,
> Gaius
> 
> --- 8< ---
> 
> PR-108142 Remove empty directories created in the build directory.
> 
> This patch removes empty directories created in the build directory.
> Directories are only created if required and all modula-2 build output
> is created under m2.  Add m2.stageprofile and m2.stagefeedback rules.
> 
> gcc/m2/ChangeLog:
> 
>        * PR m2/108142
>       * Make-lang.in: Change build directory to m2.
>        Change all rules to dynamically create subdirectories
>        when required.
>       (m2.stageprofile): New.
>       (m2.stagefeedback): New.
>       * Make-maintainer.in: Change build directory to m2.
>        Change all rules to dynamically create subdirectories when
>        required.
>       * config-lang.in: Remove static creation of build directories.
> 
> diff --git a/gcc/m2/Make-lang.in b/gcc/m2/Make-lang.in
> index a8bd7fe4d19..828eaad6285 100644
> --- a/gcc/m2/Make-lang.in
> +++ b/gcc/m2/Make-lang.in
> @@ -27,7 +27,7 @@ GM2_CROSS_NAME = `echo gm2|sed 
> '$(program_transform_cross_name)'`
> 
> M2_MAINTAINER = no
> 
> -GM2_1 = ./gm2 -B./stage1/m2 -g -fm2-g
> +GM2_1 = ./gm2 -B./m2/stage1 -g -fm2-g

What does “stage1” mean in the case of a cross-compiler or a —disable-bootstrap 
configure?

> GM2_FOR_TARGET = $(STAGE_CC_WRAPPER) ./gm2 -B./ -B$(build_tooldir)/bin/ 
> -L$(objdir)/../ld $(TFLAGS)
> 
> @@ -61,7 +61,6 @@ m2.srcextra: m2/SYSTEM-pim.texi m2/SYSTEM-iso.texi 
> m2/gm2-libs.texi m2/gm2-ebnf.
>       -cp -p m2/SYSTEM-iso.texi $(srcdir)/m2
>       -cp -p m2/gm2-libs.texi $(srcdir)/m2
>       -cp -p m2/gm2-ebnf.texi $(srcdir)/m2
> -     find . -name '*.texi' -print
> else
> m2.srcextra:
> endif
> @@ -153,7 +152,7 @@ doc/m2.info: $(TEXISRC)
>       else true; fi
> 
> $(objdir)/m2/images/gnu.eps: $(srcdir)/m2/images/gnupng
> -     test -d m2/images || mkdir -p m2/images
> +     -test -d m2/images || $(mkinstalldirs) m2/images
>       cp $(srcdir)/m2/images/gnu.eps $@
> 
> # gm2-libs.texi
> @@ -163,6 +162,9 @@ m2/gm2-libs.texi: gm2-libs.texi-check; @true
> ifeq ($(HAVE_PYTHON),yes)
> gm2-libs.texi-check: m2/SYSTEM-pim.texi m2/SYSTEM-iso.texi m2/Builtins.texi \
>                      $(objdir)/m2/gm2-libs-coroutines/SYSTEM.def
> +     test -d m2/gm2-libs-pim || $(mkinstalldirs) m2/gm2-libs-pim
> +     test -d m2/gm2-libs-iso || $(mkinstalldirs) m2/gm2-libs-iso
> +     test -d m2/gm2-libs || $(mkinstalldirs) m2/gm2-libs
>       $(PYTHON) $(srcdir)/m2/tools-src/def2doc.py -t -uLibraries 
> -s$(srcdir)/m2 -b$(objdir)/m2 -o $(objdir)/m2/gm2-libs.texi
> else
> gm2-libs.texi-check:
> @@ -279,59 +281,21 @@ Builtins.rst-check:  m2/gm2-libs/Builtins.def
> endif
>       $(STAMP) Builtins.rst-check
> 
> -$(objdir)/m2/gm2-compiler-boot:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-boot:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libiberty:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-gcc:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-compiler:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-iso:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-min:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-compiler-paranoid:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-paranoid:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-compiler-verify:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/boot-bin:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-pim:
> -     test -d $@ || mkdir $@
> -
> -$(objdir)/m2/gm2-libs-coroutines:
> -     test -d $@ || mkdir $@
> -
> -stage1/m2:
> -     -test -d $@ || mkdir -p stage1/m2
> -
> -stage2/m2:
> -     -test -d $@ || mkdir -p stage2/m2
> -
> -stage3/m2:
> -     -test -d $@ || mkdir -p stage3/m2
> +# Stage hooks:
> +# The toplevel makefile has already created stage?/m2 at this point.
> 
> -stage4/m2:
> -     -test -d $@ || mkdir -p stage4/m2
> +m2.stage1: stage1-start
> +     -mv m2/*$(objext) stage1/m2
> +m2.stage2: stage2-start
> +     -mv m2/*$(objext) stage2/m2
> +m2.stage3: stage3-start
> +     -mv m2/*$(objext) stage3/m2
> +m2.stage4: stage4-start
> +     -mv m2/*$(objext) stage4/m2
> +m2.stageprofile: stageprofile-start
> +     -mv m2/*$(objext) stageprofile/m2
> +m2.stagefeedback: stageprofile-start
> +     -mv m2/*$(objext) stagefeedback/m2
> 
> # No gm2-specific selftests
> selftest-m2:
> @@ -408,7 +372,7 @@ m2.install-plugin: installdirs
> 
> plugin/m2rte$(exeext).so: $(srcdir)/m2/plugin/m2rte.cc 
> $(GCC_HEADER_DEPENDENCIES_FOR_M2) \
>         insn-attr-common.h insn-flags.h $(generated_files)
> -     test -d plugin || mkdir plugin
> +     -test -d plugin || $(mkinstalldirs) plugin
>       $(PLUGINCC) $(PLUGINCFLAGS) -fno-rtti -I. -I$(srcdir) -I$(srcdir)/m2 
> -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/../include -I$(srcdir)/../libcpp/include 
> -Wall $(GMPINC) -Wno-literal-suffix -fPIC -c -o plugin/m2rte.o 
> $(srcdir)/m2/plugin/m2rte.cc
>       $(PLUGINCC) $(PLUGINCFLAGS) $(PLUGINLIBS) -fno-rtti plugin/m2rte.o 
> -shared -o $@
> 
> @@ -428,20 +392,6 @@ m2.clean:
> m2.extraclean:
> m2.realclean:
> 
> -# Stage hooks:
> -
> -m2.stage1: stage1-start
> -     -mv m2/*$(objext) stage1/m2
> -
> -m2.stage2: stage2-start
> -     -mv m2/*$(objext) stage2/m2
> -
> -m2.stage3: stage3-start
> -     -mv m2/*$(objext) stage3/m2
> -
> -m2.stage4: stage4-start
> -     -mv m2/*$(objext) stage4/m2
> -
> quit: force
>       echo "calling exit"
>       exit 1
> @@ -521,12 +471,13 @@ GM2_LIBS_BOOT     = m2/gm2-compiler-boot/gm2.a \
>                     m2/gm2-libs-boot/libgm2.a \
>                     $(GM2-BOOT-O)
> 
> -cc1gm2$(exeext): stage1/m2/cc1gm2$(exeext) $(m2.prev)
> +cc1gm2$(exeext): m2/stage1/cc1gm2$(exeext) $(m2.prev)
>       cp -p $< $@
> 
> -stage2/m2/cc1gm2$(exeext): stage1/m2/cc1gm2$(exeext) 
> m2/gm2-compiler/m2flex.o $(P) \
> +m2/stage2/cc1gm2$(exeext): m2/stage1/cc1gm2$(exeext) 
> m2/gm2-compiler/m2flex.o $(P) \
>                             $(GM2_C_OBJS) $(BACKEND) $(LIBDEPS) $(GM2_LIBS) \
>                             m2/gm2-gcc/rtegraph.o plugin/m2rte$(exeext).so 
> m2/gm2-libs-boot/M2LINK.o
> +     -test -d m2/stage2 || $(mkinstalldirs) m2/stage2
>       @$(call LINK_PROGRESS,$(INDEX.m2),start)
>       +$(LLINKER) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(GM2_C_OBJS) 
> m2/gm2-compiler/m2flex.o \
>                             attribs.o \
> @@ -535,12 +486,13 @@ stage2/m2/cc1gm2$(exeext): stage1/m2/cc1gm2$(exeext) 
> m2/gm2-compiler/m2flex.o $(
>                               $(BACKENDLIBS) $(LIBSTDCXX) -lm
>       @$(call LINK_PROGRESS,$(INDEX.m2),end)
> 
> -stage1/m2/cc1gm2$(exeext): gm2$(exeext) m2/gm2-compiler-boot/m2flex.o \
> +m2/stage1/cc1gm2$(exeext): gm2$(exeext) m2/gm2-compiler-boot/m2flex.o \
>                             $(P) $(GM2_C_OBJS) $(BACKEND) $(LIBDEPS) \
>                             $(GM2_LIBS_BOOT) $(MC_LIBS) \
>                             m2/gm2-gcc/rtegraph.o plugin/m2rte$(exeext).so \
>                             m2/gm2-libs-boot/M2LINK.o \
>                             $(m2.prev)
> +     -test -d m2/stage1 || $(mkinstalldirs) m2/stage1
>       @$(call LINK_PROGRESS,$(INDEX.m2),start)
>       +$(LLINKER) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(GM2_C_OBJS) 
> m2/gm2-compiler-boot/m2flex.o \
>                             attribs.o \
> @@ -558,6 +510,7 @@ GCC_HEADER_DEPENDENCIES_FOR_M2 = $(BUILD-BOOT-H) 
> $(TIMEVAR_H) m2/gm2config.h $(C
>         $(generated_files) insn-attr-common.h
> 
> m2/gm2-gcc/%.o: $(srcdir)/m2/gm2-gcc/%.cc $(GCC_HEADER_DEPENDENCIES_FOR_M2)
> +     -test -d m2/gm2-gcc || $(mkinstalldirs) m2/gm2-gcc
>       $(COMPILER) -c -g $(ALL_COMPILERFLAGS) \
>              $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
> 
> @@ -565,6 +518,7 @@ m2/gm2-gcc/m2configure.o: 
> $(srcdir)/m2/gm2-gcc/m2configure.cc \
>                $(SYSTEM_H) $(GCC_H) $(CONFIG_H) \
>                m2/gm2config.h $(TARGET_H) $(PLUGIN_HEADERS) \
>                $(generated_files) $(C_TREE_H) insn-attr-common.h
> +     -test -d m2/gm2-gcc || $(mkinstalldirs) m2/gm2-gcc
>       $(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
>          $(DRIVER_DEFINES) \
>               -DLIBSUBDIR=\"$(libsubdir)\" \
> @@ -585,6 +539,7 @@ m2/m2pp.o : $(srcdir)/m2/m2pp.cc 
> $(GCC_HEADER_DEPENDENCIES_FOR_M2)
> 
> m2/gm2-gcc/rtegraph.o: $(srcdir)/m2/gm2-gcc/rtegraph.cc 
> $(GCC_HEADER_DEPENDENCIES_FOR_M2) \
>                        gt-m2-rtegraph.h
> +     -test -d m2/gm2-gcc || $(mkinstalldirs) m2/gm2-gcc
>       $(COMPILER) -c -g -I$(GM2GCC) $(ALL_COMPILERFLAGS) \

GM2GCC = -I$(srcdir)/m2 -Im2 -I$(srcdir)/m2/gm2-gcc -Im2/gm2-gcc ?

(and in two other places).

>             $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
> 
> @@ -593,6 +548,7 @@ c-family/m2pp.o : $(srcdir)/m2/m2pp.cc 
> $(GCC_HEADER_DEPENDENCIES_FOR_M2)
>             $(ALL_CPPFLAGS) $(INCLUDES) $< $(OUTPUT_OPTION)
> 
> m2/gm2-gcc/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-gcc/%.def $(MCDEPS)
> +     -test -d m2/gm2-gcc || $(mkinstalldirs) m2/gm2-gcc
>       $(MC) -o=$@ $(srcdir)/m2/gm2-gcc/$*.def
> 
> # The following tables define the source files which are translated into C 
> using mc
> @@ -1345,15 +1301,19 @@ m2/boot-bin/mc$(exeext): $(BUILD-MC-BOOT-O) 
> $(BUILD-MC-INTERFACE-O) \
>          mcflex.o m2/gm2-libs-boot/RTcodummy.o -lm
> 
> m2/mc-boot/$(SRC_PREFIX)%.o: m2/mc-boot/$(SRC_PREFIX)%.c
> +     -test -d m2/mc-boot || $(mkinstalldirs) m2/mc-boot
>       $(CXX) -g -c -I. -I$(srcdir)/m2/mc-boot-ch -I$(srcdir)/m2/mc-boot 
> -I$(srcdir)/../include -I$(srcdir) $(INCLUDES) $< -o $@
> 
> m2/mc-boot-ch/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/mc-boot-ch || $(mkinstalldirs) m2/mc-boot-ch
>       $(CXX) -DHAVE_CONFIG_H -g -c -I. -Im2/gm2-libs -I$(srcdir)/../include 
> -I$(srcdir) $(INCLUDES) -Im2/gm2-libs $< -o $@
> 
> m2/mc-boot-ch/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/mc-boot-ch || $(mkinstalldirs) m2/mc-boot-ch
>       $(CXX) -DHAVE_CONFIG_H -g -c -I. -Im2/gm2-libs -I$(srcdir)/../include 
> -I$(srcdir) $(INCLUDES) -Im2/gm2-libs $< -o $@
> 
> m2/mc-boot/main.o: $(M2LINK) $(srcdir)/m2/init/mcinit
> +     -test -d m2/mc-boot || $(mkinstalldirs) m2/mc-boot
>       unset CC ; $(M2LINK) -s --langc++ --exit --name m2/mc-boot/main.c 
> $(srcdir)/m2/init/mcinit
>       $(CXX) -g -c -I. -I$(srcdir)/../include -I$(srcdir) $(INCLUDES) 
> m2/mc-boot/main.c -o $@
> 
> @@ -1364,57 +1324,73 @@ mcflex.c: $(srcdir)/m2/mc/mc.flex
>       flex -t $< > $@
> 
> m2/gm2-libs-boot/%.o: $(srcdir)/m2/gm2-libs-boot/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(MC) -o=m2/gm2-libs-boot/$*.c $(srcdir)/m2/gm2-libs-boot/$*.mod
>       $(COMPILER) -c -DIN_GCC $(CFLAGS) $(MCINCLUDES) m2/gm2-libs-boot/$*.c 
> -o $@
> 
> m2/gm2-libs-boot/%.o: $(srcdir)/m2/gm2-libs/%.mod $(MCDEPS) $(BUILD-BOOT-H)
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(MC) -o=m2/gm2-libs-boot/$*.c $(srcdir)/m2/gm2-libs/$*.mod
>       $(COMPILER) -c -DIN_GCC $(CFLAGS) -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(MCINCLUDES) $(INCLUDES) m2/gm2-libs-boot/$*.c -o $@
> 
> m2/gm2-libs-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs/%.def $(MCDEPS)
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(MC) -o=$@ $(srcdir)/m2/gm2-libs/$*.def
> 
> m2/gm2-libs-boot/RTcodummy.o: $(srcdir)/m2/gm2-libs-ch/RTcodummy.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c -DIN_GCC $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/RTintdummy.o: $(srcdir)/m2/gm2-libs-ch/RTintdummy.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c -DIN_GCC $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/wrapc.o: $(srcdir)/m2/gm2-libs-ch/wrapc.c 
> m2/gm2-libs-boot/$(SRC_PREFIX)wrapc.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c -DHAVE_CONFIG_H $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 
> -I. -Im2/gm2-libs-boot -Im2/gm2-libs $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/M2LINK.o: $(srcdir)/m2/gm2-libs-ch/M2LINK.c 
> m2/gm2-libs-boot/$(SRC_PREFIX)M2LINK.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c -DHAVE_CONFIG_H $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 
> -I. -Im2/gm2-libs-boot -Im2/gm2-libs $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/UnixArgs.o: $(srcdir)/m2/gm2-libs-ch/UnixArgs.cc 
> m2/gm2-libs-boot/$(SRC_PREFIX)UnixArgs.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c -DIN_GCC $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/choosetemp.o: m2/gm2-libs-ch/choosetemp.c 
> m2/gm2-libiberty/Gchoosetemp.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot -Im2/gm2-libiberty -I$(srcdir)/m2/gm2-libiberty/ 
> $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/errno.o: $(srcdir)/m2/gm2-libs-ch/errno.c 
> m2/gm2-libs-boot/$(SRC_PREFIX)errno.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/dtoa.o: $(srcdir)/m2/gm2-libs-ch/dtoa.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/ldtoa.o: $(srcdir)/m2/gm2-libs-ch/ldtoa.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/termios.o: $(srcdir)/m2/gm2-libs-ch/termios.c 
> $(BUILD-LIBS-BOOT-H) m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/SysExceptions.o: $(srcdir)/m2/gm2-libs-ch/SysExceptions.c \
>                                   
> m2/gm2-libs-boot/$(SRC_PREFIX)SysExceptions.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(CXX) -c $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-boot/SysStorage.o: $(srcdir)/m2/gm2-libs/SysStorage.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(MC) -o=m2/gm2-libs-boot/SysStorage.c 
> $(srcdir)/m2/gm2-libs/SysStorage.mod
>       $(COMPILER) -DIN_GCC -c $(CFLAGS) \
>           -I$(srcdir)/m2 -Im2 -I. -Im2/gm2-libs-boot $(MCINCLUDES) 
> $(INCLUDES) \
>           m2/gm2-libs-boot/SysStorage.c -o m2/gm2-libs-boot/SysStorage.o
> 
> m2/gm2-compiler-boot/M2GCCDeclare.o: 
> $(srcdir)/m2/gm2-compiler/M2GCCDeclare.mod $(MCDEPS) $(BUILD-BOOT-H)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) --extended-opaque -o=m2/gm2-compiler-boot/M2GCCDeclare.c $<
>       $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(GM2GCC) \
>             -I. -I$(srcdir)/../include -I$(srcdir) \
> @@ -1422,6 +1398,7 @@ m2/gm2-compiler-boot/M2GCCDeclare.o: 
> $(srcdir)/m2/gm2-compiler/M2GCCDeclare.mod
>             -I$(srcdir)/m2/gm2-libiberty $(MCINCLUDES) $(INCLUDES) 
> m2/gm2-compiler-boot/M2GCCDeclare.c -o $@
> 
> m2/gm2-compiler-boot/M2Error.o: $(srcdir)/m2/gm2-compiler/M2Error.mod 
> $(MCDEPS) $(BUILD-BOOT-H)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) --extended-opaque -o=m2/gm2-compiler-boot/M2Error.c $<
>       $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(GM2GCC) \
>             -I. -I$(srcdir)/../include -I$(srcdir) \
> @@ -1429,6 +1406,7 @@ m2/gm2-compiler-boot/M2Error.o: 
> $(srcdir)/m2/gm2-compiler/M2Error.mod $(MCDEPS)
>             -I$(srcdir)/m2/gm2-libiberty $(MCINCLUDES) $(INCLUDES) 
> m2/gm2-compiler-boot/M2Error.c -o $@
> 
> m2/gm2-compiler-boot/%.o: $(srcdir)/m2/gm2-compiler/%.mod $(BUILD-BOOT-H) 
> $(MCDEPS) $(BUILD-BOOT-H)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) -o=m2/gm2-compiler-boot/$*.c $(srcdir)/m2/gm2-compiler/$*.mod
>       $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(GM2GCC) \
>             -I. -I$(srcdir)/../include -I$(srcdir) \
> @@ -1436,6 +1414,7 @@ m2/gm2-compiler-boot/%.o: 
> $(srcdir)/m2/gm2-compiler/%.mod $(BUILD-BOOT-H) $(MCDE
>             -I$(srcdir)/m2/gm2-libiberty $(MCINCLUDES) $(INCLUDES) 
> m2/gm2-compiler-boot/$*.c -o $@
> 
> m2/gm2-compiler-boot/%.o: m2/gm2-compiler-boot/%.mod $(MCDEPS) $(BUILD-BOOT-H)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) -o=m2/gm2-compiler-boot/$*.c m2/gm2-compiler-boot/$*.mod
>       $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(GM2GCC) \
>             -I. -I$(srcdir)/../include -I$(srcdir) \
> @@ -1443,37 +1422,46 @@ m2/gm2-compiler-boot/%.o: m2/gm2-compiler-boot/%.mod 
> $(MCDEPS) $(BUILD-BOOT-H)
>             -I$(srcdir)/m2/gm2-libiberty $(MCINCLUDES) $(INCLUDES) 
> m2/gm2-compiler-boot/$*.c -o $@
> 
> m2/gm2-compiler-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-compiler/%.def 
> $(MCDEPS)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) -o=$@ $(srcdir)/m2/gm2-compiler/$*.def
> 
> m2/gm2-compiler-boot/m2flex.o: m2/gm2-compiler/m2flex.c $(BUILD-BOOT-H) 
> $(TIMEVAR_H) \
>         $(BUILD-LIBS-BOOT-H)  m2/gm2-compiler-boot/$(SRC_PREFIX)NameKey.h \
>         $(CONFIG_H) m2/gm2config.h $(TARGET_H) $(PLUGIN_HEADERS)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(COMPILER) -c -g $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
>           $(GM2GCC) $(INCLUDES) -I$(srcdir)/m2 \
>           -Im2 -Im2/gm2-compiler-boot -Im2/gm2-libs-boot $< -o $@
> 
> m2/gm2-compiler/m2flex.c: $(srcdir)/m2/m2.flex $(TIMEVAR_H) insn-attr-common.h
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       flex -t $< | sed -e 's/ malloc/ xmalloc/' | sed -e 's/ realloc/ 
> xrealloc/' > $@
> 
> m2/gm2-libiberty/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libiberty/%.def $(MCDEPS)
> +     -test -d m2/gm2-libiberty || $(mkinstalldirs) m2/gm2-libiberty
>       $(MC) -o=$@ $(srcdir)/m2/gm2-libiberty/$*.def
> 
> # The rules to build objects in gm2-compiler and gm2-libs directories.
> 
> m2/gm2-compiler/%.o: $(srcdir)/m2/gm2-compiler/%.mod
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(GM2_1) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler/m2flex.o: m2/gm2-compiler/m2flex.c 
> m2/gm2-libs/gm2-libs-host.h $(TIMEVAR_H)
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(COMPILER) -c -g $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
>           $(GM2GCC) -Im2/gm2-compiler-boot -Im2/gm2-libs-boot $< -o $@
> 
> m2/gm2-compiler/%.o: m2/gm2-compiler/%.mod
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(GM2_1) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-libs-iso/%.o: $(srcdir)/m2/gm2-libs-iso/%.c m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-iso || $(mkinstalldirs) m2/gm2-libs-iso
>       $(CXX) -DBUILD_GM2_LIBS_TARGET -DBUILD_GM2_LIBS -c $(CFLAGS) 
> -Im2/gm2-libs -I$(srcdir)/m2 -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-iso/%.o: $(srcdir)/m2/gm2-libs-iso/%.mod
> +     -test -d m2/gm2-libs-iso || $(mkinstalldirs) m2/gm2-libs-iso
>       $(GM2_1) $(GM2_ISO_FLAGS) -c -B./ 
> -Im2/gm2-libs-iso:$(srcdir)/m2/gm2-libs-iso -I$(srcdir)/m2/gm2-libs $< -o $@
> 
> 
> @@ -1481,6 +1469,7 @@ m2/gm2-libs-iso/%.o: $(srcdir)/m2/gm2-libs-iso/%.mod
> # again using itself.
> 
> m2/gm2-libs/gm2-libs-host.h:
> +     -test -d m2/gm2-libs || $(mkinstalldirs) m2/gm2-libs
>       echo "Configuring to build libraries using native compiler" ; \
>         NEW_SRCDIR=`${srcdir}/m2/tools-src/calcpath ../../ ${srcdir} 
> m2/gm2-libs` ; \
>         export NEW_SRCDIR ; \
> @@ -1512,6 +1501,7 @@ m2/gm2config.h:
>         fi
> 
> $(objdir)/m2/gm2-libs-min/SYSTEM.def: $(GM2_PROG_DEP)
> +     -test -d m2/gm2-libs-min || $(mkinstalldirs) m2/gm2-libs-min
>       $(SHELL) $(srcdir)/m2/tools-src/makeSystem -fpim \
>              $(srcdir)/m2/gm2-libs-min/SYSTEM.def \
>              $(srcdir)/m2/gm2-libs-min/SYSTEM.mod \
> @@ -1519,6 +1509,7 @@ $(objdir)/m2/gm2-libs-min/SYSTEM.def: $(GM2_PROG_DEP)
>              "$(GM2_FOR_TARGET)" $@
> 
> $(objdir)/m2/gm2-libs/SYSTEM.def: $(GM2_PROG_DEP)
> +     -test -d m2/gm2-libs || $(mkinstalldirs) m2/gm2-libs
>       echo "GM2_FOR_TARGET $(GM2_FOR_TARGET)"
>       echo "GCC_FOR_TARGET $(GCC_FOR_TARGET)"
>       $(SHELL) $(srcdir)/m2/tools-src/makeSystem -fpim \
> @@ -1528,6 +1519,7 @@ $(objdir)/m2/gm2-libs/SYSTEM.def: $(GM2_PROG_DEP)
>              "$(GM2_FOR_TARGET)" $@
> 
> $(objdir)/m2/gm2-libs-iso/SYSTEM.def: $(GM2_PROG_DEP)
> +     -test -d m2/gm2-libs-iso || $(mkinstalldirs) m2/gm2-libs-iso
>       $(SHELL) $(srcdir)/m2/tools-src/makeSystem -fiso \
>              $(srcdir)/m2/gm2-libs-iso/SYSTEM.def \
>              $(srcdir)/m2/gm2-libs-iso/SYSTEM.mod \
> @@ -1535,6 +1527,7 @@ $(objdir)/m2/gm2-libs-iso/SYSTEM.def: $(GM2_PROG_DEP)
>              "$(GM2_FOR_TARGET)" $@
> 
> $(objdir)/m2/gm2-libs-coroutines/SYSTEM.def: $(GM2_PROG_DEP)
> +     -test -d m2/gm2-libs-coroutines || $(mkinstalldirs) 
> m2/gm2-libs-coroutines
>       $(SHELL) $(srcdir)/m2/tools-src/makeSystem -fpim \
>              $(srcdir)/m2/gm2-libs-coroutines/SYSTEM.def \
>              $(srcdir)/m2/gm2-libs-coroutines/SYSTEM.mod \
> @@ -1546,11 +1539,13 @@ build-compiler: 
> $(GM2-COMP-MODS:%.mod=m2/gm2-compiler/%.o) \
>                 m2/gm2-compiler/m2flex.o
> 
> m2/gm2-compiler/gm2.a: build-compiler gm2$(exeext)
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(AR_FOR_TARGET) cr $@ $(GM2-COMP-MODS:%.mod=m2/gm2-compiler/%.o) \
>                     $(GM2-AUTO-MODS:%.mod=m2/gm2-compiler/%.o)
>       $(RANLIB) $@
> 
> m2/gm2-libs-boot/libgm2.a: m2/boot-bin/mc$(exeext) $(BUILD-LIBS-BOOT)
> +     -test -d m2/gm2-libs-boot || $(mkinstalldirs) m2/gm2-libs-boot
>       $(AR) cr $@ $(GM2-LIBS-BOOT-MODS:%.mod=m2/gm2-libs-boot/%.o) \
>                     $(GM2-LIBS-BOOT-CC:%.cc=m2/gm2-libs-boot/%.o) \
>                     $(GM2-LIBS-BOOT-C:%.c=m2/gm2-libs-boot/%.o)
> @@ -1558,6 +1553,7 @@ m2/gm2-libs-boot/libgm2.a: m2/boot-bin/mc$(exeext) 
> $(BUILD-LIBS-BOOT)
> 
> m2/gm2-compiler-boot/gm2.a: m2/boot-bin/mc$(exeext) 
> m2/boot-bin/mklink$(exeext) \
>                          $(BUILD-LIBS-BOOT) $(BUILD-COMPILER-BOOT)
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(AR) cr $@ $(GM2-COMP-BOOT-MODS:%.mod=m2/gm2-compiler-boot/%.o) \
>                     $(GM2-AUTO-MODS:%.mod=m2/gm2-compiler-boot/%.o)
>       $(RANLIB) $@
> @@ -1565,15 +1561,19 @@ m2/gm2-compiler-boot/gm2.a: m2/boot-bin/mc$(exeext) 
> m2/boot-bin/mklink$(exeext)
> m2/gm2-compiler-boot/gm2.a: m2/boot-bin/mc$(exeext)
> 
> m2/boot-bin/mklink$(exeext): $(srcdir)/m2/tools-src/mklink.c
> +     -test -d m2/boot-bin || $(mkinstalldirs) m2/boot-bin
>       $(CXX) $(CFLAGS) -I$(srcdir)/m2 -Im2/gm2-libs-boot 
> -Im2/gm2-compiler-boot -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) $< -o $@
> 
> m2/gm2-compiler-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-compiler-boot/%.def 
> $(MCDEPS)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(MC) --quiet -o=$@ $(srcdir)/m2/gm2-compiler-boot/$*.def
> 
> m2/gm2-compiler/%.mod: $(srcdir)/m2/gm2-compiler/%.bnf $(PGE)
> +     -test -d m2/gm2-compiler || $(mkinstalldirs) m2/gm2-compiler
>       $(PGE) -k -l $< -o $@
> 
> m2/gm2-compiler-boot/%.mod: $(srcdir)/m2/gm2-compiler/%.bnf $(PGE)
> +     -test -d m2/gm2-compiler-boot || $(mkinstalldirs) m2/gm2-compiler-boot
>       $(PGE) -k -l $< -o $@
> 
> check-m2: check-gm2
> @@ -1642,9 +1642,11 @@ ifeq ($(M2_MAINTAINER),yes)
> include m2/Make-maintainer
> else
> m2/pge-boot/%.o: m2/pge-boot/%.c m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/pge-boot ||$(mkinstalldirs) m2/pge-boot
>       $(CXX) $(INCLUDES) -I$(srcdir)/m2/pge-boot -Im2/gm2-libs -g -c $< -o $@
> 
> m2/pge-boot/%.o: m2/pge-boot/%.cc m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/pge-boot || $(mkinstalldirs) m2/pge-boot
>       $(CXX) $(INCLUDES) -I$(srcdir)/m2/pge-boot -Im2/gm2-libs -g -c $< -o $@
> 
> $(PGE): $(BUILD-PGE-O)
> diff --git a/gcc/m2/Make-maintainer.in b/gcc/m2/Make-maintainer.in
> index 2460b979207..79caba4649b 100644
> --- a/gcc/m2/Make-maintainer.in
> +++ b/gcc/m2/Make-maintainer.in
> @@ -96,21 +96,26 @@ BUILD-PPG-LIBS-H = 
> $(PPG-LIB-DEFS:%.def=m2/gm2-ppg-boot/$(SRC_PREFIX)%.h)
> BUILD-PPG-H = m2/boot-bin/mc$(exeext) $(BUILD-PPG-LIBS-H)
> 
> m2/gm2-ppg-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs/%.def $(MCDEPS)
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       $(MCC) -o=$@ $(srcdir)/m2/gm2-libs/$*.def
> 
> m2/gm2-ppg-boot/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-ppg-boot/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-ppg-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-libs/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       $(MCC) -o=m2/gm2-ppg-boot/$(SRC_PREFIX)$*.c $(srcdir)/m2/gm2-libs/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) \
>               -Im2/gm2-ppg-boot -I$(srcdir)/m2/mc-boot -Im2/gm2-libs-boot \
>               -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) -g -c 
> m2/gm2-ppg-boot/$(SRC_PREFIX)$*.c -o $@
> 
> m2/gm2-ppg-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-compiler/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       $(MCC) -o=m2/gm2-ppg-boot/$(SRC_PREFIX)$*.c 
> $(srcdir)/m2/gm2-compiler/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) \
>               -Im2/mc-boot -Im2/gm2-compiler-boot -Im2/gm2-libs-boot \
> @@ -124,12 +129,13 @@ m2/ppg$(exeext): m2/boot-bin/mc $(BUILD-PPG-O) 
> $(BUILD-MC-INTERFACE-O) m2/gm2-pp
>                  m2/gm2-libs-boot/M2LINK.o -lm
> 
> m2/gm2-ppg-boot/main.o: $(M2LINK) $(srcdir)/m2/init/mcinit
> +     -test -d m2/gm2-ppg-boot || $(mkinstalldirs) m2/gm2-ppg-boot
>       unset CC ; $(M2LINK) -s --langc++ --exit --name mainppginit.c 
> $(srcdir)/m2/init/ppginit
>       mv mainppginit.c m2/gm2-ppg-boot/main.c
>       $(CXX) $(INCLUDES) -g -c -o $@ m2/gm2-ppg-boot/main.c
> 
> m2/gm2-auto:
> -     test -d $@ || mkdir -p $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> # m2/pg$(exext) is the 2nd generation parser generator built from ebnf
> # without error recovery
> @@ -143,15 +149,19 @@ BUILD-PG-O = 
> $(PPG-INTERFACE-C:%.c=m2/gm2-pg-boot/$(SRC_PREFIX)%.o) \
>              $(PG-SRC:%.mod=m2/gm2-pg-boot/$(SRC_PREFIX)%.o)
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs/%.def $(MCDEPS)
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(MCC) -o=$@ $(srcdir)/m2/gm2-libs/$*.def
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)%.o: m2/mc-boot-ch/$(SRC_PREFIX)%.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-libs/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(MCC) -o=m2/gm2-pg-boot/$(SRC_PREFIX)$*.c $(srcdir)/m2/gm2-libs/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -Im2/gm2-pg-boot  
> -I$(srcdir)/m2/mc-boot \
>                -I$(srcdir)/m2/mc-boot-ch \
> @@ -159,11 +169,13 @@ m2/gm2-pg-boot/$(SRC_PREFIX)%.o: 
> $(srcdir)/m2/gm2-libs/%.mod $(MCDEPS) $(BUILD-B
>               -g -c m2/gm2-pg-boot/$(SRC_PREFIX)$*.c -o $@
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-compiler/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(MCC) -o=m2/gm2-pg-boot/$(SRC_PREFIX)$*.c 
> $(srcdir)/m2/gm2-compiler/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -Im2/mc-boot 
> -Im2/gm2-compiler-boot -Im2/gm2-libs-boot \
>               -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) -g -c 
> m2/gm2-pg-boot/$(SRC_PREFIX)$*.c -o $@
> 
> m2/gm2-pg-boot/$(SRC_PREFIX)pg.o:  m2/gm2-auto/pg.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       $(MCC) -o=m2/gm2-pg-boot/$(SRC_PREFIX)pg.c m2/gm2-auto/pg.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -Im2/mc-boot 
> -Im2/gm2-compiler-boot -Im2/gm2-libs-boot \
>               -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) -g -c 
> m2/gm2-pg-boot/$(SRC_PREFIX)pg.c -o $@
> @@ -181,6 +193,7 @@ m2/gm2-auto/pginit:
>       sed -e 's/ppg/pg/' < $(srcdir)/m2/init/ppginit > $@
> 
> m2/gm2-pg-boot/main.o: m2/gm2-auto/pginit $(M2LINK)
> +     -test -d m2/gm2-pg-boot || $(mkinstalldirs) m2/gm2-pg-boot
>       unset CC ; $(M2LINK) -s --langc++ --exit --name mainpginit.c 
> m2/gm2-auto/pginit
>       mv mainpginit.c m2/gm2-pg-boot/main.c
>       $(CXX) $(INCLUDES) -g -c -o $@ m2/gm2-pg-boot/main.c
> @@ -196,6 +209,7 @@ m2/pg-e$(exeext): m2/pg$(exeext)
>       $(RM) m2/gm2-auto/t.bnf m2/gm2-auto/t.mod
> 
> m2/gm2-auto/pg.mod: m2/ppg$(exeext)
> +     -test -d m2/gm2-auto || $(mkinstalldirs) m2/gm2-auto
>       $(SHELL) $(srcdir)/m2/tools-src/buildpg 
> $(srcdir)/m2/gm2-compiler/ppg.mod pg -e > m2/gm2-auto/pg.bnf
>       ./m2/ppg$(exeext) -e -l m2/gm2-auto/pg.bnf > m2/gm2-auto/pg.mod
> 
> @@ -210,58 +224,74 @@ BUILD-PGE-O = 
> $(PPG-INTERFACE-C:%.c=m2/gm2-pge-boot/$(SRC_PREFIX)%.o) \
>               $(PGE-SRC:%.mod=m2/gm2-pge-boot/$(SRC_PREFIX)%.o)
> 
> m2/gm2-auto/pge.mod: m2/pg$(exeext)
> +     -test -d m2/gm2-auto || $(mkinstalldirs) m2/gm2-auto
>       $(SHELL) $(srcdir)/m2/tools-src/buildpg 
> $(srcdir)/m2/gm2-compiler/ppg.mod pge > m2/gm2-auto/pge.bnf
>       ./m2/pg$(exeext) -l m2/gm2-auto/pge.bnf -o m2/gm2-auto/pge.mod
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs/%.def $(MCDEPS)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(MCC) -o=$@ $(srcdir)/m2/gm2-libs/$*.def
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)libc.o: $(srcdir)/m2/mc-boot-ch/Glibc.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) $(INCLUDES) 
> -I$(srcdir)/m2/mc-boot-ch -Im2/gm2-libs -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)mcrts.o:  $(srcdir)/m2/mc-boot-ch/Gmcrts.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) $(INCLUDES) 
> -I$(srcdir)/m2/mc-boot-ch -Im2/gm2-libs -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)UnixArgs.o:  $(srcdir)/m2/mc-boot-ch/GUnixArgs.cc
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)Selective.o:  
> $(srcdir)/m2/mc-boot-ch/GSelective.c m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> $(INCLUDES) -Im2/gm2-libs -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)termios.o:  $(srcdir)/m2/mc-boot-ch/Gtermios.cc 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)SysExceptions.o:  
> $(srcdir)/m2/mc-boot-ch/GSysExceptions.c m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)ldtoa.o:  $(srcdir)/m2/mc-boot-ch/Gldtoa.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)dtoa.o:  $(srcdir)/m2/mc-boot-ch/Gdtoa.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)wrapc.o:  $(srcdir)/m2/mc-boot-ch/Gwrapc.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> -Im2/gm2-libs $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)SYSTEM.o:  $(srcdir)/m2/mc-boot-ch/GSYSTEM.c
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)errno.o:  $(srcdir)/m2/mc-boot-ch/Gerrno.c
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -I$(srcdir)/m2/mc-boot-ch 
> $(INCLUDES) -g -c $< -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-libs/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(MCC) -o=m2/gm2-pge-boot/$(SRC_PREFIX)$*.c $(srcdir)/m2/gm2-libs/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -Im2/gm2-pge-boot 
> -I$(srcdir)/m2/mc-boot \
>               -I$(srcdir)/m2/mc-boot-ch -Im2/gm2-libs-boot \
>               $(INCLUDES) -g -c m2/gm2-pge-boot/$(SRC_PREFIX)$*.c -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)%.o: $(srcdir)/m2/gm2-compiler/%.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(MCC) -o=m2/gm2-pge-boot/$(SRC_PREFIX)$*.c 
> $(srcdir)/m2/gm2-compiler/$*.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) -Im2/mc-boot 
> -Im2/gm2-compiler-boot \
>               -Im2/gm2-libs-boot \
>               -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) -g -c 
> m2/gm2-pge-boot/$(SRC_PREFIX)$*.c -o $@
> 
> m2/gm2-pge-boot/$(SRC_PREFIX)pge.o:  m2/gm2-auto/pge.mod $(MCDEPS) 
> $(BUILD-BOOT-H)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(MCC) -o=m2/gm2-pge-boot/$(SRC_PREFIX)pge.c m2/gm2-auto/pge.mod
>       $(CXX) -I. -I$(srcdir)/../include -I$(srcdir) \
>               -Im2/mc-boot -Im2/gm2-compiler-boot -Im2/gm2-libs-boot \
> @@ -285,27 +315,31 @@ m2/pge$(exeext): m2/boot-bin/mc \
>       $(RM) m2/gm2-auto/t.mod m2/gm2-auto/t1.mod m2/gm2-auto/t2.mod
> 
> m2/gm2-auto/pgeinit:
> +     -test -d m2/gm2-auto || $(mkinstalldirs) m2/gm2-auto
>       sed -e 's/ppg/pge/' < $(srcdir)/m2/init/ppginit > $@
> 
> m2/gm2-pge-boot/main.o: m2/gm2-auto/pgeinit $(M2LINK)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       unset CC ; $(M2LINK) -s --langc++ --exit --name mainpgeinit.c 
> m2/gm2-auto/pgeinit
>       mv mainpgeinit.c m2/gm2-pge-boot/main.c
>       $(CXX) $(INCLUDES) -g -c -o $@ m2/gm2-pge-boot/main.c
> 
> $(objdir)/m2/gm2-ppg-boot:
> -     test -d $@ || mkdir $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> $(objdir)/m2/gm2-pg-boot:
> -     test -d $@ || mkdir $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> $(objdir)/m2/gm2-pge-boot:
> -     test -d $@ || mkdir $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> m2/gm2-auto/pg.o: m2/gm2-auto/pg.mod $(MCDEPS)
> +     -test -d m2/gm2-pge-boot || $(mkinstalldirs) m2/gm2-pge-boot
>       $(MC) --quiet -o=m2/gm2-auto/pg.c m2/gm2-auto/pg.mod
>       $(COMPILER) -c $(CFLAGS) -I. -I$(srcdir)/../include -I$(srcdir) 
> -I$(srcdir)/m2 -Im2/gm2-libs-boot -Im2/gm2-compiler-boot 
> -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) m2/gm2-auto/pg.c -o $@
> 
> m2/gm2-auto/pge.o: m2/gm2-auto/pge.mod $(MCDEPS)
> +     -test -d m2/gm2-auto || $(mkinstalldirs) m2/gm2-auto
>       $(MC) --quiet -o=m2/gm2-auto/pge.c m2/gm2-auto/pge.mod
>       $(COMPILER) -c $(CFLAGS) -I. -I$(srcdir)/../include -I$(srcdir) 
> -I$(srcdir)/m2 -Im2/gm2-libs-boot -Im2/gm2-compiler-boot 
> -I$(srcdir)/m2/mc-boot-ch $(INCLUDES) m2/gm2-auto/pge.c -o $@
> 
> @@ -400,7 +434,7 @@ mc-help:  force
>       @echo "m2/pge          build the parser generator (needed by 
> mc-maintainer)"
> 
> m2/mc-obj:
> -     mkdir $@
> +     $(mkinstalldirs) $@
> 
> mc-verify:  mc-clean mc-bootstrap mc
>       mv mc m2/boot-bin/mc.m2
> @@ -442,7 +476,7 @@ m2/boot-bin/mc-devel$(exeext): m2/mc-obj/mcp1.mod \
>                                mcflex.c \
>                                m2/mc-boot-ch/Gabort.o
>       $(RM) -rf mc-obj
> -     mkdir mc-obj
> +     $(mkinstalldirs) mc-obj
>       $(CC) -I$(srcdir)/m2/mc -c -g mcflex.c -o mc-obj/mcflex.o
>       $(BOOTGM2) $(MCOPTIONS) -I$(GM2PATH) $(srcdir)/m2/mc/decl.mod -o 
> mc-obj/decl.o
>       $(BOOTGM2) $(MCOPTIONS) -I$(GM2PATH) $(srcdir)/m2/mc/mcStream.mod -o 
> mc-obj/mcStream.o
> @@ -484,13 +518,16 @@ m2/boot-bin/mc-opt$(exeext): m2/mc-obj/mcp1.mod \
>                              m2/mc-obj/mcp4.mod \
>                              m2/mc-obj/mcp5.mod \
>                              mcflex.c
> +     -test -d m2/boot-bin || $(mkinstalldirs) m2/boot-bin
>       g++ -I$(srcdir)/m2/mc -c -g mcflex.c
>       $(BOOTGM2) -fsources -fm2-whole-program -g 
> -I$(srcdir)/m2/mc:$(objdir)/m2/mc-obj:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/mc 
> $(srcdir)/m2/mc/top.mod
> 
> m2/mc/decl.o:  $(srcdir)/m2/mc/decl.mod
> +     -test -d m2/mc || $(mkinstalldirs) m2/mc
>       $(BOOTGM2) $(MCOPTIONS) -I$(GM2PATH) -o $@ $(srcdir)/m2/mc/decl.mod
> 
> m2/mc-obj/%.mod: $(srcdir)/m2/mc/%.bnf $(PGE)
> +     -test -d m2/mc-obj || $(mkinstalldirs) m2/mc-obj
>       $(PGE) -l $< -o $@
> 
> gm2-bootstrap: mc-devel
> @@ -500,16 +537,16 @@ gm2-bootstrap: mc-devel
> 
> 
> $(objdir)/plugin:
> -     test -d $@ || mkdir -p $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> $(objdir)/m2/mc-boot:
> -     test -d $@ || mkdir -p $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> $(objdir)/m2/mc-boot-ch:
> -     test -d $@ || mkdir -p $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> $(objdir)/m2/mc-boot-gen:
> -     test -d $@ || mkdir -p $@
> +     -test -d $@ || $(mkinstalldirs) $@
> 
> mc-autogen: mc-clean mc-devel \
>             $(BUILD-MC-BOOT-H) $(BUILD-MC-BOOT-C) \
> @@ -528,24 +565,31 @@ EXTENDED_OPAQUE =
> MC_OPTIONS = $(MC_COPYRIGHT) --gcc-config-system --olang=c++
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.h: $(srcdir)/m2/mc/%.def
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs/%.def
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)decl.c: $(srcdir)/m2/mc/decl.mod
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) --extended-opaque 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.c: $(srcdir)/m2/mc/%.mod
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.c: $(srcdir)/m2/gm2-libs/%.mod
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.h: $(srcdir)/m2/gm2-libs-iso/%.def
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> m2/mc-boot-gen/$(SRC_PREFIX)%.c: m2/mc-obj/%.mod
> +     -test -d m2/mc-boot-gen || $(mkinstalldirs) m2/mc-boot-gen
>       ./mc $(MC_OPTIONS) 
> -I$(srcdir)/m2/mc:$(srcdir)/m2/gm2-libs:$(srcdir)/m2/gm2-libs-iso 
> $(EXTENDED_OPAQUE) --h-file-prefix=$(SRC_PREFIX) -o=$@ $<
> 
> # mc-bootstrap compiles mc using the C version previously generated by 
> mc-autogen.
> @@ -608,11 +652,12 @@ GM2-VERIFY-AUTO    = P1Build.mod       P2Build.mod     
> PCBuild.mod     P3Build.m
> GM2_LIBS_PARANOID = m2/gm2-compiler-paranoid/gm2.a \
>                     m2/gm2-libs-paranoid/libgm2.a                       # 
> build it again using GM2_LIBS
> 
> -gm2.paranoid: stage3/m2/cc1gm2$(exeext) gm2.verifyparanoid
> +gm2.paranoid: m2/stage3/cc1gm2$(exeext) gm2.verifyparanoid
> 
> -stage3/m2/cc1gm2$(exeext): stage2/m2/cc1gm2$(exeext) 
> m2/gm2-compiler-paranoid/m2flex.o \
> +m2/stage3/cc1gm2$(exeext): m2/stage2/cc1gm2$(exeext) 
> m2/gm2-compiler-paranoid/m2flex.o \
>                             $(P) $(GM2_C_OBJS) $(BACKEND) $(LIBDEPS) 
> $(GM2_LIBS_PARANOID) \
>                             m2/gm2-gcc/rtegraph.o plugin/m2rte$(exeext).so 
> m2/gm2-libs-boot/M2LINK.o
> +     -test -d m2/stage3 || $(mkinstalldirs) m2/stage3
>       @$(call LINK_PROGRESS,$(INDEX.m2),start)
>       +$(LLINKER) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(GM2_C_OBJS) 
> m2/gm2-compiler-paranoid/m2flex.o \
>                             attribs.o \
> @@ -624,7 +669,7 @@ stage3/m2/cc1gm2$(exeext): stage2/m2/cc1gm2$(exeext) 
> m2/gm2-compiler-paranoid/m2
> 
> # gm2.verifyparanoid diffs the output of all three compilers with the 
> compiler source code
> 
> -gm2.verifyparanoid: stage1/m2/cc1gm2$(exeext) stage2/m2/cc1gm2$(exeext) 
> stage3/m2/cc1gm2$(exeext) force
> +gm2.verifyparanoid: m2/stage1/cc1gm2$(exeext) m2/stage2/cc1gm2$(exeext) 
> m2/stage3/cc1gm2$(exeext) force
>       @echo "verifying the three generations of GNU Modula-2 compilers - it 
> may take some time.."
>       $(QUIAT)for i in $(GM2-VERIFY-MODS) ; do \
>            echo -n "$$i " ; \
> @@ -678,7 +723,7 @@ gm2.verifyparanoid: stage1/m2/cc1gm2$(exeext) 
> stage2/m2/cc1gm2$(exeext) stage3/m
> 
> # gm2.verifystage12 diffs the output of the stage1 and stage2 compilers with 
> the compiler source code
> 
> -gm2.verifystage12: force stage1/m2/cc1gm2$(exeext) stage2/m2/cc1gm2$(exeext)
> +gm2.verifystage12: force m2/stage1/cc1gm2$(exeext) m2/stage2/cc1gm2$(exeext)
>       @echo "verifying stage1 and stage2 generations of GNU Modula-2 
> compilers - it may take some time.."
>       $(QUIAT)for i in $(GM2-VERIFY-MODS) ; do \
>            echo -n "$$i " ; \
> @@ -717,78 +762,99 @@ gm2.verifystage12: force stage1/m2/cc1gm2$(exeext) 
> stage2/m2/cc1gm2$(exeext)
> # The rules which build objects in the gm2-compiler-paranoid 
> gm2-libs-paranoid directories.
> 
> m2/gm2-libs-paranoid/%.o: m2/gm2-libs-ch/%.c
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(XGCC) -c -g $(GM2_O_S3) $(GM2_O) -I./ -Im2/gm2-libs -Wall $(INCLUDES) 
> $< -o $@
> 
> m2/gm2-libs-paranoid/%.o: $(srcdir)/m2/gm2-libs/%.mod
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-libs-iso 
> -I$(srcdir)/m2/gm2-libiberty $< -o $@
> 
> m2/gm2-compiler-paranoid/%.o: $(srcdir)/m2/gm2-compiler/%.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/%.o: m2/gm2-compiler-paranoid/%.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/P0SyntaxCheck.o: 
> m2/gm2-compiler-paranoid/P0SyntaxCheck.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/P1Build.o: m2/gm2-compiler-paranoid/P1Build.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/P2Build.o: m2/gm2-compiler-paranoid/P2Build.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/P3Build.o: m2/gm2-compiler-paranoid/P3Build.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/PHBuild.o: m2/gm2-compiler-paranoid/PHBuild.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-compiler-paranoid/PCBuild.o: m2/gm2-compiler-paranoid/PCBuild.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_O_S3) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc -I$(srcdir)/m2/gm2-libiberty 
> $< -o $@
> 
> m2/gm2-libs-paranoid/host.o: $(srcdir)/m2/gm2-libs-ch/host.c 
> m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 -Im2 -I. 
> -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/wrapc.o: $(srcdir)/m2/gm2-libs-ch/wrapc.c 
> m2/gm2-libs-boot/$(SRC_PREFIX)wrapc.h m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 
> -Im2 -I. -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/UnixArgs.o: $(srcdir)/m2/gm2-libs-ch/UnixArgs.cc \
>                                   m2/gm2-libs-boot/$(SRC_PREFIX)UnixArgs.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 
> -Im2 -I. -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/errno.o: $(srcdir)/m2/gm2-libs-ch/errno.c \
>                                    m2/gm2-libs-boot/$(SRC_PREFIX)errno.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 
> -Im2 -I. -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/Selective.o: $(srcdir)/m2/gm2-libs-ch/Selective.c \
>                                    m2/gm2-libs-boot/$(SRC_PREFIX)Selective.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(COMPILER) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs 
> -I$(srcdir)/m2 -Im2 -I. -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/choosetemp.o: $(srcdir)/m2/gm2-libs-ch/choosetemp.c \
>                                     m2/gm2-libiberty/$(SRC_PREFIX)choosetemp.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 
> -Im2 -I. -Im2/gm2-libs-boot -Im2/gm2-libiberty $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/SysExceptions.o: 
> $(srcdir)/m2/gm2-libs-ch/SysExceptions.c \
>                                   
> m2/gm2-libs-boot/$(SRC_PREFIX)SysExceptions.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c -DIN_GCC $(GM2_O_S3) $(CFLAGS) -Im2/gm2-libs -I$(srcdir)/m2 
> -Im2 -I. -Im2/gm2-libs-boot $(INCLUDES) $< -o $@
> 
> m2/gm2-compiler-paranoid/m2flex.o: m2/gm2-compiler/m2flex.c $(TIMEVAR_H)
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(COMPILER) -c $(GM2_O_S3) -g $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) 
> $(INCLUDES) \
>           $(GM2GCC) -Im2/gm2-compiler-boot -Im2/gm2-libs-boot $< -o $@
> 
> m2/gm2-libs-paranoid/dtoa.o: $(srcdir)/m2/gm2-libs-ch/dtoa.cc \
>                               m2/gm2-libs-boot/$(SRC_PREFIX)dtoa.h \
>                               m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c $(GM2_O_S3) $(CFLAGS) -I$(srcdir)/m2 -Im2/gm2-libs-boot 
> -Im2/gm2-libs $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/ldtoa.o: $(srcdir)/m2/gm2-libs-ch/ldtoa.cc \
>                                m2/gm2-libs-boot/$(SRC_PREFIX)ldtoa.h \
>                                m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c $(GM2_O_S3) $(CFLAGS) -I$(srcdir)/m2 -Im2/gm2-libs-boot 
> -Im2/gm2-libs $(INCLUDES) $< -o $@
> 
> m2/gm2-libs-paranoid/termios.o: $(srcdir)/m2/gm2-libs-ch/termios.c \
>                                m2/gm2-libs-boot/$(SRC_PREFIX)termios.h \
>                                m2/gm2-libs/gm2-libs-host.h
> +     -test -d m2/gm2-libs-paranoid || $(mkinstalldirs) m2/gm2-libs-paranoid
>       $(CXX) -c $(GM2_O_S3) $(CFLAGS) -I$(srcdir)/m2 -Im2/gm2-libs-boot 
> -Im2/gm2-libs $(INCLUDES) $< -o $@
> 
> 
> @@ -818,12 +884,15 @@ m2/gm2-compiler-paranoid/gm2.a: \
>       $(RANLIB) $@
> 
> m2/gm2-compiler-paranoid/M2Version.mod:
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(SHELL) $(srcdir)/m2/tools-src/makeversion -m $(srcdir) 
> m2/gm2-compiler-paranoid
> 
> m2/gm2-compiler-paranoid/M2Version.o: m2/gm2-compiler-paranoid/M2Version.mod
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(GM2_2) $(GM2_FLAGS) -c -I$(srcdir)/m2/gm2-compiler 
> -I$(srcdir)/m2/gm2-libs -I$(srcdir)/m2/gm2-gcc $< -o $@
> 
> m2/gm2-compiler-paranoid/%.mod: $(srcdir)/m2/gm2-compiler/%.bnf $(PGE)
> +     -test -d m2/gm2-compiler-paranoid || $(mkinstalldirs) 
> m2/gm2-compiler-paranoid
>       $(PGE) -k -l $< -o $@
> 
> # Recreate the target independent copies of the documentation which is
> diff --git a/gcc/m2/config-lang.in b/gcc/m2/config-lang.in
> index 68bb525355a..d2afff2f23f 100644
> --- a/gcc/m2/config-lang.in
> +++ b/gcc/m2/config-lang.in
> @@ -52,32 +52,3 @@ gtfiles="\$(srcdir)/m2/gm2-lang.cc \
> outputs="m2/config-make \
>          m2/Make-maintainer \
>         "
> -
> -mkdir -p m2/gm2-compiler-boot
> -mkdir -p m2/gm2-libs-boot
> -mkdir -p m2/gm2-ici-boot
> -mkdir -p m2/gm2-libiberty
> -mkdir -p m2/gm2-gcc
> -mkdir -p m2/gm2-compiler
> -mkdir -p m2/gm2-libs
> -mkdir -p m2/gm2-libs-iso
> -mkdir -p m2/gm2-compiler-paranoid
> -mkdir -p m2/gm2-libs-paranoid
> -mkdir -p m2/gm2-compiler-verify
> -mkdir -p m2/boot-bin
> -mkdir -p m2/gm2-libs-pim
> -mkdir -p m2/gm2-libs-coroutines
> -mkdir -p m2/gm2-libs-min
> -mkdir -p m2/pge-boot
> -mkdir -p plugin
> -mkdir -p stage1/m2 stage2/m2 stage3/m2 stage4/m2
> -
> -# directories used by Make-maintainer
> -
> -mkdir -p m2/gm2-auto
> -mkdir -p m2/gm2-pg-boot
> -mkdir -p m2/gm2-pge-boot
> -mkdir -p m2/gm2-ppg-boot
> -mkdir -p m2/mc-boot
> -mkdir -p m2/mc-boot-ch
> -mkdir -p m2/mc-boot-gen

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