Makefile.tpl: Implement per-stage GDCFLAGS [PR116975]

Allows the GDCFLAGS for each bootstrap stage of building gdc to be
overriden, as is the case with CXXFLAGS for other front-ends.

	PR d/116975

ChangeLog:

	* Makefile.in: Regenerate.
	* Makefile.tpl (STAGE[+id+]_GDCFLAGS): New.
	(STAGE2_GDCFLAGS): Add -fno-checking.
	(STAGE3_GDCFLAGS): Add -fchecking=1.
	(BASE_FLAGS_TO_PASS): Pass STAGE[+id+]_GDCFLAGS down.
	(configure-stage[+id+]-[+prefix+][+module+]): Set GDCFLAGS for all gcc
	module stages.
	(all-stage[+id+]-[+prefix+][+module+]): Likewise.

diff --git a/Makefile.in b/Makefile.in
index e0e8a872f40a7ebb47e29b7c2b44424d35d51482..110fa63c10ccde884c97ed5bc00155e2154a503e 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -640,6 +640,26 @@ STAGEprofile_CONFIGURE_FLAGS += --disable-libstdcxx-pch
 @endif target-libstdc++-v3-bootstrap
 
 @if target-libphobos-bootstrap
+# Defaults for each stage if we're bootstrapping D.
+
+STAGE1_GDCFLAGS = $(GDCFLAGS)
+
+STAGE2_GDCFLAGS = $(GDCFLAGS)
+
+STAGE3_GDCFLAGS = $(GDCFLAGS)
+
+STAGE4_GDCFLAGS = $(GDCFLAGS)
+
+STAGEprofile_GDCFLAGS = $(GDCFLAGS)
+
+STAGEtrain_GDCFLAGS = $(GDCFLAGS)
+
+STAGEfeedback_GDCFLAGS = $(GDCFLAGS)
+
+STAGEautoprofile_GDCFLAGS = $(GDCFLAGS)
+
+STAGEautofeedback_GDCFLAGS = $(GDCFLAGS)
+
 STAGE1_CONFIGURE_FLAGS += --with-libphobos-druntime-only
 STAGE2_CONFIGURE_FLAGS += --with-libphobos-druntime-only
 @endif target-libphobos-bootstrap
@@ -653,6 +673,10 @@ STAGE2_CFLAGS += -fno-checking
 STAGE2_TFLAGS += -fno-checking
 STAGE3_CFLAGS += -fchecking=1
 STAGE3_TFLAGS += -fchecking=1
+@if target-libphobos-bootstrap
+STAGE2_GDCFLAGS += -fno-checking
+STAGE3_GDCFLAGS += -fchecking=1
+@endif target-libphobos-bootstrap
 
 STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
 STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)
@@ -951,38 +975,47 @@ BASE_FLAGS_TO_PASS = \
        "LEAN=$(LEAN)" \
        "STAGE1_CFLAGS=$(STAGE1_CFLAGS)" \
        "STAGE1_CXXFLAGS=$(STAGE1_CXXFLAGS)" \
+       "STAGE1_GDCFLAGS=$(STAGE1_GDCFLAGS)" \
        "STAGE1_GENERATOR_CFLAGS=$(STAGE1_GENERATOR_CFLAGS)" \
        "STAGE1_TFLAGS=$(STAGE1_TFLAGS)" \
        "STAGE2_CFLAGS=$(STAGE2_CFLAGS)" \
        "STAGE2_CXXFLAGS=$(STAGE2_CXXFLAGS)" \
+       "STAGE2_GDCFLAGS=$(STAGE2_GDCFLAGS)" \
        "STAGE2_GENERATOR_CFLAGS=$(STAGE2_GENERATOR_CFLAGS)" \
        "STAGE2_TFLAGS=$(STAGE2_TFLAGS)" \
        "STAGE3_CFLAGS=$(STAGE3_CFLAGS)" \
        "STAGE3_CXXFLAGS=$(STAGE3_CXXFLAGS)" \
+       "STAGE3_GDCFLAGS=$(STAGE3_GDCFLAGS)" \
        "STAGE3_GENERATOR_CFLAGS=$(STAGE3_GENERATOR_CFLAGS)" \
        "STAGE3_TFLAGS=$(STAGE3_TFLAGS)" \
        "STAGE4_CFLAGS=$(STAGE4_CFLAGS)" \
        "STAGE4_CXXFLAGS=$(STAGE4_CXXFLAGS)" \
+       "STAGE4_GDCFLAGS=$(STAGE4_GDCFLAGS)" \
        "STAGE4_GENERATOR_CFLAGS=$(STAGE4_GENERATOR_CFLAGS)" \
        "STAGE4_TFLAGS=$(STAGE4_TFLAGS)" \
        "STAGEprofile_CFLAGS=$(STAGEprofile_CFLAGS)" \
        "STAGEprofile_CXXFLAGS=$(STAGEprofile_CXXFLAGS)" \
+       "STAGEprofile_GDCFLAGS=$(STAGEprofile_GDCFLAGS)" \
        "STAGEprofile_GENERATOR_CFLAGS=$(STAGEprofile_GENERATOR_CFLAGS)" \
        "STAGEprofile_TFLAGS=$(STAGEprofile_TFLAGS)" \
        "STAGEtrain_CFLAGS=$(STAGEtrain_CFLAGS)" \
        "STAGEtrain_CXXFLAGS=$(STAGEtrain_CXXFLAGS)" \
+       "STAGEtrain_GDCFLAGS=$(STAGEtrain_GDCFLAGS)" \
        "STAGEtrain_GENERATOR_CFLAGS=$(STAGEtrain_GENERATOR_CFLAGS)" \
        "STAGEtrain_TFLAGS=$(STAGEtrain_TFLAGS)" \
        "STAGEfeedback_CFLAGS=$(STAGEfeedback_CFLAGS)" \
        "STAGEfeedback_CXXFLAGS=$(STAGEfeedback_CXXFLAGS)" \
+       "STAGEfeedback_GDCFLAGS=$(STAGEfeedback_GDCFLAGS)" \
        "STAGEfeedback_GENERATOR_CFLAGS=$(STAGEfeedback_GENERATOR_CFLAGS)" \
        "STAGEfeedback_TFLAGS=$(STAGEfeedback_TFLAGS)" \
        "STAGEautoprofile_CFLAGS=$(STAGEautoprofile_CFLAGS)" \
        "STAGEautoprofile_CXXFLAGS=$(STAGEautoprofile_CXXFLAGS)" \
+       "STAGEautoprofile_GDCFLAGS=$(STAGEautoprofile_GDCFLAGS)" \
        "STAGEautoprofile_GENERATOR_CFLAGS=$(STAGEautoprofile_GENERATOR_CFLAGS)" \
        "STAGEautoprofile_TFLAGS=$(STAGEautoprofile_TFLAGS)" \
        "STAGEautofeedback_CFLAGS=$(STAGEautofeedback_CFLAGS)" \
        "STAGEautofeedback_CXXFLAGS=$(STAGEautofeedback_CXXFLAGS)" \
+       "STAGEautofeedback_GDCFLAGS=$(STAGEautofeedback_GDCFLAGS)" \
        "STAGEautofeedback_GENERATOR_CFLAGS=$(STAGEautofeedback_GENERATOR_CFLAGS)" \
        "STAGEautofeedback_TFLAGS=$(STAGEautofeedback_TFLAGS)" \
        $(CXX_FOR_TARGET_FLAG_TO_PASS) \
@@ -12186,6 +12219,7 @@ configure-stage1-gcc:
        $(HOST_EXPORTS) \
        CFLAGS="$(STAGE1_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGE1_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGE1_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(LIBCFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage 1 in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12220,6 +12254,7 @@ configure-stage2-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGE2_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGE2_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGE2_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGE2_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage 2 in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12254,6 +12289,7 @@ configure-stage3-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGE3_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGE3_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGE3_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGE3_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage 3 in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12288,6 +12324,7 @@ configure-stage4-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGE4_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGE4_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGE4_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGE4_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage 4 in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12322,6 +12359,7 @@ configure-stageprofile-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGEprofile_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGEprofile_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGEprofile_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGEprofile_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage profile in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12356,6 +12394,7 @@ configure-stagetrain-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGEtrain_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGEtrain_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGEtrain_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGEtrain_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage train in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12390,6 +12429,7 @@ configure-stagefeedback-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGEfeedback_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGEfeedback_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGEfeedback_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGEfeedback_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage feedback in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12424,6 +12464,7 @@ configure-stageautoprofile-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGEautoprofile_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGEautoprofile_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGEautoprofile_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGEautoprofile_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage autoprofile in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12458,6 +12499,7 @@ configure-stageautofeedback-gcc:
        $(POSTSTAGE1_HOST_EXPORTS) \
        CFLAGS="$(STAGEautofeedback_CFLAGS)"; export CFLAGS; \
        CXXFLAGS="$(STAGEautofeedback_CXXFLAGS)"; export CXXFLAGS; \
+       GDCFLAGS="$(STAGEautofeedback_GDCFLAGS)"; export GDCFLAGS; \
        LIBCFLAGS="$(STAGEautofeedback_CFLAGS)"; export LIBCFLAGS;  \
        echo Configuring stage autofeedback in $(HOST_SUBDIR)/gcc; \
        $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/gcc; \
@@ -12520,6 +12562,7 @@ all-stage1-gcc: configure-stage1-gcc
                CFLAGS="$(STAGE1_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGE1_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGE1_CXXFLAGS)" \
+               GDCFLAGS="$(STAGE1_GDCFLAGS)" \
                LIBCFLAGS="$(LIBCFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12565,6 +12608,7 @@ all-stage2-gcc: configure-stage2-gcc
                CFLAGS="$(STAGE2_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGE2_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGE2_CXXFLAGS)" \
+               GDCFLAGS="$(STAGE2_GDCFLAGS)" \
                LIBCFLAGS="$(STAGE2_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12608,6 +12652,7 @@ all-stage3-gcc: configure-stage3-gcc
                CFLAGS="$(STAGE3_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGE3_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGE3_CXXFLAGS)" \
+               GDCFLAGS="$(STAGE3_GDCFLAGS)" \
                LIBCFLAGS="$(STAGE3_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12651,6 +12696,7 @@ all-stage4-gcc: configure-stage4-gcc
                CFLAGS="$(STAGE4_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGE4_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGE4_CXXFLAGS)" \
+               GDCFLAGS="$(STAGE4_GDCFLAGS)" \
                LIBCFLAGS="$(STAGE4_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12694,6 +12740,7 @@ all-stageprofile-gcc: configure-stageprofile-gcc
                CFLAGS="$(STAGEprofile_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGEprofile_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGEprofile_CXXFLAGS)" \
+               GDCFLAGS="$(STAGEprofile_GDCFLAGS)" \
                LIBCFLAGS="$(STAGEprofile_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12737,6 +12784,7 @@ all-stagetrain-gcc: configure-stagetrain-gcc
                CFLAGS="$(STAGEtrain_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGEtrain_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGEtrain_CXXFLAGS)" \
+               GDCFLAGS="$(STAGEtrain_GDCFLAGS)" \
                LIBCFLAGS="$(STAGEtrain_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12780,6 +12828,7 @@ all-stagefeedback-gcc: configure-stagefeedback-gcc
                CFLAGS="$(STAGEfeedback_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGEfeedback_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGEfeedback_CXXFLAGS)" \
+               GDCFLAGS="$(STAGEfeedback_GDCFLAGS)" \
                LIBCFLAGS="$(STAGEfeedback_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12823,6 +12872,7 @@ all-stageautoprofile-gcc: configure-stageautoprofile-gcc
                CFLAGS="$(STAGEautoprofile_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGEautoprofile_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGEautoprofile_CXXFLAGS)" \
+               GDCFLAGS="$(STAGEautoprofile_GDCFLAGS)" \
                LIBCFLAGS="$(STAGEautoprofile_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
@@ -12866,6 +12916,7 @@ all-stageautofeedback-gcc: configure-stageautofeedback-gcc
                CFLAGS="$(STAGEautofeedback_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGEautofeedback_GENERATOR_CFLAGS)" \
                CXXFLAGS="$(STAGEautofeedback_CXXFLAGS)" \
+               GDCFLAGS="$(STAGEautofeedback_GDCFLAGS)" \
                LIBCFLAGS="$(STAGEautofeedback_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
                CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \

diff --git a/Makefile.tpl b/Makefile.tpl
index e634d17aa578fafe4cf656bd087a6722bc955d90..a5ff44e3dbcaa2edb07b706933bcf73ccae16f64 100644 (file)
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -563,6 +563,10 @@ STAGEprofile_CONFIGURE_FLAGS += --disable-libstdcxx-pch
 @endif target-libstdc++-v3-bootstrap
 
 @if target-libphobos-bootstrap
+# Defaults for each stage if we're bootstrapping D.
+[+ FOR bootstrap-stage +]
+STAGE[+id+]_GDCFLAGS = $(GDCFLAGS)
+[+ ENDFOR bootstrap-stage +]
 STAGE1_CONFIGURE_FLAGS += --with-libphobos-druntime-only
 STAGE2_CONFIGURE_FLAGS += --with-libphobos-druntime-only
 @endif target-libphobos-bootstrap
@@ -576,6 +580,10 @@ STAGE2_CFLAGS += -fno-checking
 STAGE2_TFLAGS += -fno-checking
 STAGE3_CFLAGS += -fchecking=1
 STAGE3_TFLAGS += -fchecking=1
+@if target-libphobos-bootstrap
+STAGE2_GDCFLAGS += -fno-checking
+STAGE3_GDCFLAGS += -fchecking=1
+@endif target-libphobos-bootstrap
 
 STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
 STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)
@@ -732,6 +740,7 @@ BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
        "[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +][+ FOR bootstrap-stage +] \
        "STAGE[+id+]_CFLAGS=$(STAGE[+id+]_CFLAGS)" \
        "STAGE[+id+]_CXXFLAGS=$(STAGE[+id+]_CXXFLAGS)" \
+       "STAGE[+id+]_GDCFLAGS=$(STAGE[+id+]_GDCFLAGS)" \
        "STAGE[+id+]_GENERATOR_CFLAGS=$(STAGE[+id+]_GENERATOR_CFLAGS)" \
        "STAGE[+id+]_TFLAGS=$(STAGE[+id+]_TFLAGS)"[+ ENDFOR bootstrap-stage +] \
        $(CXX_FOR_TARGET_FLAG_TO_PASS) \
@@ -1263,7 +1272,8 @@ configure-stage[+id+]-[+prefix+][+module+]:
        CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
        LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"; export LIBCFLAGS;[+ ELSE prefix +] \
        CFLAGS="$(STAGE[+id+]_CFLAGS)"; export CFLAGS; \
-       CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"; export CXXFLAGS;[+ IF prev +] \
+       CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"; export CXXFLAGS;[+ IF (= (get "module") "gcc") +] \
+       GDCFLAGS="$(STAGE[+id+]_GDCFLAGS)"; export GDCFLAGS;[+ ENDIF +][+ IF prev +] \
        LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
        LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +]; export LIBCFLAGS;[+
   ENDIF prefix +] [+extra_exports+] \
@@ -1333,7 +1343,8 @@ all-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
                LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"[+ ELSE prefix +] \
                CFLAGS="$(STAGE[+id+]_CFLAGS)" \
                GENERATOR_CFLAGS="$(STAGE[+id+]_GENERATOR_CFLAGS)" \
-               CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"[+ IF prev +] \
+               CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"[+ IF (= (get "module") "gcc") +] \
+               GDCFLAGS="$(STAGE[+id+]_GDCFLAGS)"[+ ENDIF +][+ IF prev +] \
                LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
                LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +][+ ENDIF prefix +] \
                CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \