[PATCH 15/45] Add TFLAGS to gcc's GCC_FOR_TARGET

[Arsen Arsenović]

From: Alexandre Oliva <oliva@adacore.com>

When the GCC build runs GCC_FOR_TARGET, e.g. for selftests or for
dumping specs, it doesn't use TFLAGS in non-bootstrap scenarios.  This
patch arranges for TFLAGS to be passed from the top level down to gcc
in GCC_FOR_TARGET in this case.

Another issue related with TFLAGS fixed herein is that there's no easy
way to add a TFLAGS to GCC_FOR_TARGET when running "make gnatlib"
within the gcc directory.  Overriding all of GCC_FOR_TARGET is
somewhat cumbersome, so I'm adding TFLAGS support to gcc/Makefile.in,
getting it added to GCC_FOR_TARGET, as it would when passed down from
the top level.

for  ChangeLog

	* Makefile.tpl (HOST_EXPORTS): Add TFLAGS to GCC_FOR_TARGET.
	(EXTRA_GCC_FLAGS): Likewise.
	* Makefile.in: Rebuilt.
---
 Makefile.in  | 4 ++--
 Makefile.tpl | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 7453d4ea0c2..c4e679d386e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -223,7 +223,7 @@ HOST_EXPORTS = \
 	AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
 	AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
 	DSYMUTIL_FOR_TARGET="$(DSYMUTIL_FOR_TARGET)"; export DSYMUTIL_FOR_TARGET; \
-	GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
+	GCC_FOR_TARGET="$(GCC_FOR_TARGET) $$TFLAGS"; export GCC_FOR_TARGET; \
 	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
 	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
 	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
@@ -1038,7 +1038,7 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 # The BUILD_* variables are a special case, which are used for the gcc
 # cross-building scheme.
 EXTRA_GCC_FLAGS = \
-	"GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
+	"GCC_FOR_TARGET=$(GCC_FOR_TARGET) $$TFLAGS" \
 	"`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
 	"`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
diff --git a/Makefile.tpl b/Makefile.tpl
index 88db8f44d53..54faca6fbac 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -226,7 +226,7 @@ HOST_EXPORTS = \
 	AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
 	AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
 	DSYMUTIL_FOR_TARGET="$(DSYMUTIL_FOR_TARGET)"; export DSYMUTIL_FOR_TARGET; \
-	GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
+	GCC_FOR_TARGET="$(GCC_FOR_TARGET) $$TFLAGS"; export GCC_FOR_TARGET; \
 	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
 	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
 	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
@@ -796,7 +796,7 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 # The BUILD_* variables are a special case, which are used for the gcc
 # cross-building scheme.
 EXTRA_GCC_FLAGS = \
-	"GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
+	"GCC_FOR_TARGET=$(GCC_FOR_TARGET) $$TFLAGS" \
 	"`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
 	"`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
-- 
2.41.0