usb/ehci: Abstract away PCI DMA API

[qemu.git] / Makefile

diff --git a/Makefile b/Makefile
index 1cebe3a9db20cae8607a60a21e5f9e82bfbeb024..b522b10195e37c8a8449f52b68b629f1799e84df 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -8,15 +8,28 @@ ifneq ($(wildcard config-host.mak),)
 # Put the all: rule here so that config-host.mak can contain dependencies.
 all:
 include config-host.mak
+
+# Check that we're not trying to do an out-of-tree build from
+# a tree that's been used for an in-tree build.
+ifneq ($(realpath $(SRC_PATH)),$(realpath .))
+ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
+$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
+seems to have been used for an in-tree build. You can fix this by running \
+"make distclean && rm -rf *-linux-user *-softmmu" in your source tree)
+endif
+endif
+
 include $(SRC_PATH)/rules.mak
 config-host.mak: $(SRC_PATH)/configure
        @echo $@ is out-of-date, running configure
        @sed -n "/.*Configured with/s/[^:]*: //p" $@ | sh
 else
 config-host.mak:
+ifneq ($(filter-out %clean,$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
        @echo "Please call configure before running make!"
        @exit 1
 endif
+endif
 
 GENERATED_HEADERS = config-host.h trace.h qemu-options.def
 ifeq ($(TRACE_BACKEND),dtrace)
@@ -159,11 +172,10 @@ qemu-img.o: qemu-img-cmds.h
 
 tools-obj-y = $(oslib-obj-y) $(trace-obj-y) qemu-tool.o qemu-timer.o \
        qemu-timer-common.o main-loop.o notify.o \
-       iohandler.o cutils.o iov.o async.o
+       iohandler.o cutils.o iov.o async.o error.o
 tools-obj-$(CONFIG_POSIX) += compatfd.o
 
-qemu-img$(EXESUF): qemu-img.o $(tools-obj-y) $(block-obj-y) $(qapi-obj-y) \
-                              qapi-visit.o qapi-types.o
+qemu-img$(EXESUF): qemu-img.o $(tools-obj-y) $(block-obj-y)
 qemu-nbd$(EXESUF): qemu-nbd.o $(tools-obj-y) $(block-obj-y)
 qemu-io$(EXESUF): qemu-io.o cmd.o $(tools-obj-y) $(block-obj-y)
 
@@ -214,7 +226,7 @@ $(qga-obj-y) qemu-ga.o: $(QGALIB_GEN)
 
 qemu-ga$(EXESUF): qemu-ga.o $(qga-obj-y) $(tools-obj-y) $(qapi-obj-y) $(qobject-obj-y) $(version-obj-y)
 
-QEMULIBS=libhw libuser libdis libdis-user
+QEMULIBS=libuser libdis libdis-user
 
 clean:
 # avoid old build problems by removing potentially incorrect old files
@@ -403,7 +415,9 @@ qemu-doc.dvi qemu-doc.html qemu-doc.info qemu-doc.pdf: \
 
 # Add a dependency on the generated files, so that they are always
 # rebuilt before other object files
+ifneq ($(filter-out %clean,$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 Makefile: $(GENERATED_HEADERS)
+endif
 
 # Include automatically generated dependency files
 # Dependencies in Makefile.objs files come from our recursive subdir rules