target-xtensa: fix MMUv3 initialization

[qemu.git] / rules.mak

diff --git a/rules.mak b/rules.mak
index c0315acaf8addd7c59391aa7451453abd191e545..04a91983ec26e6d398f01a2780663c7e2cac729f 100644 (file)
--- a/rules.mak
+++ b/rules.mak
@@ -1,14 +1,37 @@
 
+# Don't use implicit rules or variables
+# we have explicit rules for everything
+MAKEFLAGS += -rR
+
+# Files with this suffixes are final, don't try to generate them
+# using implicit rules
+%.d:
+%.h:
+%.c:
+%.m:
+%.mak:
+
+# Flags for dependency generation
+QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
+
 %.o: %.c
-       $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
+       $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
+
+ifeq ($(LIBTOOL),)
+%.lo: %.c
+       @echo "missing libtool. please install and rerun configure"; exit 1
+else
+%.lo: %.c
+       $(call quiet-command,$(LIBTOOL) --mode=compile --quiet --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
+endif
 
 %.o: %.S
-       $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
+       $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
 
 %.o: %.m
-       $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
+       $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
 
-LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(LIBS),"  LINK  $(TARGET_DIR)$@")
+LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(sort $(1)) $(LIBS),"  LINK  $(TARGET_DIR)$@")
 
 %$(EXESUF): %.o
        $(call LINK,$^)
@@ -19,7 +42,31 @@ LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS
 quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
 
 # cc-option
-# Usage: CFLAGS+=$(call cc-option, $(CFLAGS), -falign-functions=0, -malign-functions=0)
+# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
+
+cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
+              >/dev/null 2>&1 && echo OK), $2, $3)
+
+VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
+set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
+
+# find-in-path
+# Usage: $(call find-in-path, prog)
+# Looks in the PATH if the argument contains no slash, else only considers one
+# specific directory.  Returns an # empty string if the program doesn't exist
+# there.
+find-in-path = $(if $(find-string /, $1), \
+        $(wildcard $1), \
+        $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
+
+# Generate timestamp files for .h include files
+
+%.h: %.h-timestamp
+       @test -f $@ || cp $< $@
+
+%.h-timestamp: %.mak
+       $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $*.h")
+       @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
 
-cc-option = $(shell if $(CC) $(1) $(2) -S -o /dev/null -xc /dev/null \
-              > /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi ;)
+# will delete the target of a rule if commands exit with a nonzero exit status
+.DELETE_ON_ERROR: