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https://github.com/xen-project/xen.git
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Keir Fraser
9f8501582f
If you use -MMD -MF then the correct .o filename is written to the .*.d file as the compiler driver arranges everything. This was done in 19010:275abe1c5d24 for the hypervisor. In this patch we do the same elsewhere in the xen-unstable tree, particularly tools/. Specifically: * Change tools/Rules.mk to add -MMD -MF ... to CFLAGS and set DEPS. * Remove -Wp,-MD... from every other Makefile * Remove setting of DEPS from every other Makefile * Ensure that every Makefile says -include $(DEPS) * Ensure that every Makefile's clean target removes $(DEPS) Some Makefiles were already halfway there, but often for a different variable name eg PROG_DEP. The variable name is now standardised in Rules.mk as DEPS. I have done a test build with this change, on Debian etch. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
66 lines
1.9 KiB
Makefile
66 lines
1.9 KiB
Makefile
# -*- mode: Makefile; -*-
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# `all' is the default target
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all:
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include $(XEN_ROOT)/Config.mk
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export _INSTALL := $(INSTALL)
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INSTALL = $(XEN_ROOT)/tools/cross-install
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XEN_INCLUDE = $(XEN_ROOT)/tools/include
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XEN_XC = $(XEN_ROOT)/tools/python/xen/lowlevel/xc
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XEN_LIBXC = $(XEN_ROOT)/tools/libxc
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XEN_XENSTORE = $(XEN_ROOT)/tools/xenstore
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XEN_LIBXENSTAT = $(XEN_ROOT)/tools/xenstat/libxenstat/src
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CFLAGS_include = -I$(XEN_INCLUDE)
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CFLAGS_libxenctrl = -I$(XEN_LIBXC) $(CFLAGS_include)
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LDFLAGS_libxenctrl = -L$(XEN_LIBXC) -lxenctrl
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CFLAGS_libxenguest = -I$(XEN_LIBXC) $(CFLAGS_include)
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LDFLAGS_libxenguest = -L$(XEN_LIBXC) -lxenguest
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CFLAGS_libxenstore = -I$(XEN_XENSTORE) $(CFLAGS_include)
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LDFLAGS_libxenstore = -L$(XEN_XENSTORE) -lxenstore
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X11_LDPATH = -L/usr/X11R6/$(LIBLEAFDIR)
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CFLAGS += -D__XEN_TOOLS__
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# Get gcc to generate the dependencies for us.
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CFLAGS += -MMD -MF .$(@F).d
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DEPS = .*.d
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# Enable implicit LFS support *and* explicit LFS names.
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CFLAGS += $(shell getconf LFS_CFLAGS)
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CFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
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LDFLAGS += $(shell getconf LFS_LDFLAGS)
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# 32-bit x86 does not perform well with -ve segment accesses on Xen.
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CFLAGS-$(CONFIG_X86_32) += $(call cc-option,$(CC),-mno-tls-direct-seg-refs)
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CFLAGS += $(CFLAGS-y)
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# Require GCC v3.4+ (to avoid issues with alignment constraints in Xen headers)
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check-$(CONFIG_X86) = $(call cc-ver-check,CC,0x030400,\
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"Xen requires at least gcc-3.4")
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$(eval $(check-y))
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%.opic: %.c
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$(CC) $(CPPFLAGS) -DPIC $(CFLAGS) -fPIC -c -o $@ $<
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%.o: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
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%.o: %.cc
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$(CC) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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subdirs-all subdirs-clean subdirs-install: .phony
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@set -e; for subdir in $(SUBDIRS) $(SUBDIRS-y); do \
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$(MAKE) subdir-$(patsubst subdirs-%,%,$@)-$$subdir; \
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done
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subdir-all-% subdir-clean-% subdir-install-%: .phony
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$(MAKE) -C $* $(patsubst subdir-%-$*,%,$@)
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