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To: gcc-patches@gcc.gnu.org
Subject: [PATCH modula2] PR-108142 Remove empty directories created in the
 build directory
CC: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 26 Dec 2022 14:46:52 +0000
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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
 
 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) \
             $(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