softfloat: Specialize udiv_qrnnd for ppc64

[qemu.git] / rules.mak

diff --git a/rules.mak b/rules.mak
index d5c516caff9f6793e2f6561f6f82b24d0ca52ed1..bbb2667928eff107fba7fb96216311fd8ff49498 100644 (file)
--- a/rules.mak
+++ b/rules.mak
@@ -1,4 +1,7 @@
 
+# These are used when we want to do substitutions without confusing Make
+NULL  :=
+SPACE := $(NULL) #
 COMMA := ,
 
 # Don't use implicit rules or variables
@@ -20,14 +23,16 @@ MAKEFLAGS += -rR
 %.mak:
 clean-target:
 
-# Flags for C++ compilation
-QEMU_CXXFLAGS = -D__STDC_LIMIT_MACROS $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Wold-style-declaration -Wold-style-definition -Wredundant-decls, $(QEMU_CFLAGS))
-
 # Flags for dependency generation
 QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d
 
-# Same as -I$(SRC_PATH) -I., but for the nested source/object directories
-QEMU_INCLUDES += -I$(<D) -I$(@D)
+# Compiler searches the source file dir first, but in vpath builds
+# we need to make it search the build dir too, before any other
+# explicit search paths. There are two search locations in the build
+# dir, one absolute and the other relative to the compiler working
+# directory. These are the same for target-independent files, but
+# different for target-dependent ones.
+QEMU_LOCAL_INCLUDES = -iquote $(BUILD_DIR)/$(@D) -iquote $(@D)
 
 WL_U := -Wl,-u,
 find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2)))
@@ -61,7 +66,9 @@ expand-objs = $(strip $(sort $(filter %.o,$1)) \
                   $(filter-out %.o %.mo,$1))
 
 %.o: %.c
-       $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
+       $(call quiet-command,$(CC) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
+              $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
+              -c -o $@ $<,"CC","$(TARGET_DIR)$@")
 %.o: %.rc
        $(call quiet-command,$(WINDRES) -I. -o $@ $<,"RC","$(TARGET_DIR)$@")
 
@@ -69,21 +76,29 @@ expand-objs = $(strip $(sort $(filter %.o,$1)) \
 # must link with the C++ compiler, not the plain C compiler.
 LINKPROG = $(or $(CXX),$(CC))
 
-LINK = $(call quiet-command, $(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+LINK = $(call quiet-command, $(LINKPROG) $(QEMU_LDFLAGS) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
        $(call process-archive-undefs, $1) \
        $(version-obj-y) $(call extract-libs,$1) $(LIBS),"LINK","$(TARGET_DIR)$@")
 
 %.o: %.S
-       $(call quiet-command,$(CCAS) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
+       $(call quiet-command,$(CCAS) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
+              $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
+              -c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
 
 %.o: %.cc
-       $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
+       $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
+              $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
+              -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
 
 %.o: %.cpp
-       $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
+       $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
+              $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
+              -c -o $@ $<,"CXX","$(TARGET_DIR)$@")
 
 %.o: %.m
-       $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<,"OBJC","$(TARGET_DIR)$@")
+       $(call quiet-command,$(OBJCC) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
+              $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
+              -c -o $@ $<,"OBJC","$(TARGET_DIR)$@")
 
 %.o: %.dtrace
        $(call quiet-command,dtrace -o $@ -G -s $<,"GEN","$(TARGET_DIR)$@")
@@ -365,7 +380,7 @@ define unnest-vars
 endef
 
 TEXI2MAN = $(call quiet-command, \
-       perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< [email protected] && \
+       perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $(TEXI2PODFLAGS) $< [email protected] && \
        $(POD2MAN) --section=$(subst .,,$(suffix $@)) --center=" " --release=" " [email protected] > $@, \
        "GEN","$@")