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[PATCH 1/4] configure: cleanup invocation of submodule Make


From: Paolo Bonzini
Subject: [PATCH 1/4] configure: cleanup invocation of submodule Make
Date: Sun, 20 Sep 2020 05:30:13 -0400

Move common command line options to SUBDIR_MAKEFLAGS, thus simplifying
the rules themselves.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 Makefile | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index 897246d77c..57fb63832f 100644
--- a/Makefile
+++ b/Makefile
@@ -137,7 +137,12 @@ configure: ;
 .PHONY: all clean distclean install \
        recurse-all dist msi FORCE
 
-SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
+SUBMODULE_CFLAGS = $(QEMU_CFLAGS) $(CFLAGS)
+SUBDIR_MAKEFLAGS = $(if $(V),,--no-print-directory --quiet)            \
+       PKG_CONFIG="$(PKG_CONFIG)"                                      \
+       CC="$(CC)" AR="$(AR)" LD="$(LD)" RANLIB="$(RANLIB)"             \
+       CFLAGS="$(SUBMODULE_CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)"          \
+       ARFLAGS="$(ARFLAGS)"
 
 include $(SRC_PATH)/tests/Makefile.include
 
@@ -146,12 +151,12 @@ Makefile: $(addsuffix /all, $(SUBDIRS))
 
 # LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
 DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" 
LIBFDT_lib=""
-DTC_CFLAGS=$(CFLAGS) $(QEMU_CFLAGS)
 DTC_CPPFLAGS=-I$(SRC_PATH)/dtc/libfdt
 
 .PHONY: dtc/all
 dtc/all: .git-submodule-status dtc/libfdt
-       $(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS) 
CPPFLAGS="$(DTC_CPPFLAGS)" CFLAGS="$(DTC_CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)" 
ARFLAGS="$(ARFLAGS)" CC="$(CC)" AR="$(AR)" LD="$(LD)" $(SUBDIR_MAKEFLAGS) 
libfdt,)
+       $(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS)                   \
+            CPPFLAGS="$(DTC_CPPFLAGS)" $(SUBDIR_MAKEFLAGS) libfdt,)
 
 dtc/%: .git-submodule-status
        @mkdir -p $@
@@ -161,7 +166,7 @@ dtc/%: .git-submodule-status
 # Therefore we replicate some of the logic in the sub-makefile.
 # Remove all the extra -Warning flags that QEMU uses that Capstone doesn't;
 # no need to annoy QEMU developers with such things.
-CAP_CFLAGS = $(patsubst -W%,,$(CFLAGS) $(QEMU_CFLAGS)) $(CAPSTONE_CFLAGS)
+CAP_CFLAGS := $(patsubst -W%,,$(SUBMODULE_CFLAGS)) $(CAPSTONE_CFLAGS)
 CAP_CFLAGS += -DCAPSTONE_USE_SYS_DYN_MEM
 CAP_CFLAGS += -DCAPSTONE_HAS_ARM
 CAP_CFLAGS += -DCAPSTONE_HAS_ARM64
@@ -169,16 +174,17 @@ CAP_CFLAGS += -DCAPSTONE_HAS_POWERPC
 CAP_CFLAGS += -DCAPSTONE_HAS_X86
 
 .PHONY: capstone/all
+capstone/all: SUBMODULE_CFLAGS = $(CAP_CFLAGS)
 capstone/all: .git-submodule-status
-       $(call quiet-command,$(MAKE) -C $(SRC_PATH)/capstone CAPSTONE_SHARED=no 
BUILDDIR="$(BUILD_DIR)/capstone" CC="$(CC)" AR="$(AR)" LD="$(LD)" 
RANLIB="$(RANLIB)" CFLAGS="$(CAP_CFLAGS)" $(SUBDIR_MAKEFLAGS) 
$(BUILD_DIR)/capstone/$(LIBCAPSTONE))
+       $(call quiet-command,$(MAKE) -C $(SRC_PATH)/capstone            \
+            CAPSTONE_SHARED=no BUILDDIR="$(BUILD_DIR)/capstone"        \
+            $(SUBDIR_MAKEFLAGS) $(BUILD_DIR)/capstone/$(LIBCAPSTONE))
 
 .PHONY: slirp/all
 slirp/all: .git-submodule-status
        $(call quiet-command,$(MAKE) -C $(SRC_PATH)/slirp               \
-               BUILD_DIR="$(BUILD_DIR)/slirp"                  \
-               PKG_CONFIG="$(PKG_CONFIG)"                              \
-               CC="$(CC)" AR="$(AR)"   LD="$(LD)" RANLIB="$(RANLIB)"   \
-               CFLAGS="$(QEMU_CFLAGS) $(CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)")
+               BUILD_DIR="$(BUILD_DIR)/slirp"                          \
+               $(SUBDIR_MAKEFLAGS))
 
 ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
 ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
-- 
2.26.2





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