mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 02:01:24 +01:00
Juergen Gross
ded08cdfa7
Library related make variables (CFLAGS_lib*, SHDEPS_lib*, LDLIBS_lib* and SHLIB_lib*) mostly have a common pattern for their values. Generate most of this content automatically by adding a new per-library variable defining on which other libraries a lib is depending. Those definitions are put into an own file in order to make it possible to include it from various Makefiles, especially for stubdom. This in turn makes it possible to drop the USELIB variable from each library Makefile. The LIBNAME variable can be dropped, too, as it can be derived from the directory name the library is residing in. Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Wei Liu <wl@xen.org>
236 lines
9.3 KiB
Makefile
236 lines
9.3 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/Tools.mk
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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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LDFLAGS += $(PREPEND_LDFLAGS_XEN_TOOLS)
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XEN_INCLUDE = $(XEN_ROOT)/tools/include
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include $(XEN_ROOT)/tools/libs/uselibs.mk
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XEN_libxenctrl = $(XEN_ROOT)/tools/libxc
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# Currently libxenguest lives in the same directory as libxenctrl
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XEN_libxenguest = $(XEN_libxenctrl)
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XEN_libxenlight = $(XEN_ROOT)/tools/libxl
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# Currently libxlutil lives in the same directory as libxenlight
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XEN_libxlutil = $(XEN_libxenlight)
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XEN_libxenstore = $(XEN_ROOT)/tools/xenstore
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XEN_libxenstat = $(XEN_ROOT)/tools/xenstat/libxenstat/src
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XEN_libxenvchan = $(XEN_ROOT)/tools/libvchan
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CFLAGS_xeninclude = -I$(XEN_INCLUDE)
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XENSTORE_XENSTORED ?= y
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# A debug build of tools?
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debug ?= y
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debug_symbols ?= $(debug)
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XEN_GOCODE_URL = golang.xenproject.org
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ifeq ($(debug_symbols),y)
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CFLAGS += -g3
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endif
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ifneq ($(nosharedlibs),y)
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INSTALL_SHLIB = $(INSTALL_PROG)
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SYMLINK_SHLIB = ln -sf
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libextension = .so
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else
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libextension = .a
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XENSTORE_STATIC_CLIENTS=y
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# If something tries to use these it is a mistake. Provide references
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# to nonexistent programs to produce a sane error message.
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INSTALL_SHLIB = : install-shlib-unsupported-fail
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SYMLINK_SHLIB = : symlink-shlib-unsupported-fail
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endif
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# Compiling and linking against in tree libraries.
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#
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# In order to compile and link against an in-tree library various
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# cpp/compiler/linker options are required.
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#
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# For example consider a library "libfoo" which itself uses two other
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# libraries:
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# libbar - whose use is entirely internal to libfoo and not exposed
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# to users of libfoo at all.
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# libbaz - whose use is entirely internal to libfoo but libfoo's
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# public headers include one or more of libbaz's
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# public headers. Users of libfoo are therefore transitively
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# using libbaz's header but not linking against libbaz.
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#
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# SHDEPS_libfoo: Flags for linking recursive dependencies of
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# libfoo. Must contain SHLIB for every library which
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# libfoo links against. So must contain both
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# $(SHLIB_libbar) and $(SHLIB_libbaz).
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#
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# SHLIB_libfoo: Flags for recursively linking against libfoo. Must
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# contains SHDEPS_libfoo and:
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# -Wl,-rpath-link=<directory containing libfoo.so>
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#
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# CFLAGS_libfoo: Flags for compiling against libfoo. Must add the
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# directories containing libfoo's headers to the
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# include path. Must recursively include
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# $(CFLAGS_libbaz), to satisfy the transitive inclusion
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# of the headers but not $(CFLAGS_libbar) since none of
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# libbar's headers are required to build against
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# libfoo.
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#
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# LDLIBS_libfoo: Flags for linking against libfoo. Must contain
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# $(SHDEPS_libfoo) and the path to libfoo.so
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#
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# Consumers of libfoo should include $(CFLAGS_libfoo) and
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# $(LDLIBS_libfoo) in their appropriate directories. They should not
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# include any CFLAGS or LDLIBS relating to libbar or libbaz unless
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# they use those libraries directly (not via libfoo) too.
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#
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# Consumers of libfoo should not directly use $(SHDEPS_libfoo) or
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# $(SHLIB_libfoo)
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define LIB_defs =
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XEN_libxen$(1) = $$(XEN_ROOT)/tools/libs/$(1)
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CFLAGS_libxen$(1) = -I$$(XEN_libxen$(1))/include $$(CFLAGS_xeninclude)
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SHDEPS_libxen$(1) = $$(foreach use,$$(USELIBS_$(1)),$$(SHLIB_libxen$$(use)))
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LDLIBS_libxen$(1) = $$(SHDEPS_libxen$(1)) $$(XEN_libxen$(1))/libxen$(1)$$(libextension)
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SHLIB_libxen$(1) = $$(SHDEPS_libxen$(1)) -Wl,-rpath-link=$$(XEN_libxen$(1))
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endef
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$(foreach lib,$(LIBS_LIBS),$(eval $(call LIB_defs,$(lib))))
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# code which compiles against libxenctrl get __XEN_TOOLS__ and
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# therefore sees the unstable hypercall interfaces.
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CFLAGS_libxenctrl = -I$(XEN_libxenctrl)/include $(CFLAGS_libxentoollog) $(CFLAGS_libxenforeignmemory) $(CFLAGS_libxendevicemodel) $(CFLAGS_xeninclude) -D__XEN_TOOLS__
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SHDEPS_libxenctrl = $(SHLIB_libxentoollog) $(SHLIB_libxenevtchn) $(SHLIB_libxengnttab) $(SHLIB_libxencall) $(SHLIB_libxenforeignmemory) $(SHLIB_libxendevicemodel)
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LDLIBS_libxenctrl = $(SHDEPS_libxenctrl) $(XEN_libxenctrl)/libxenctrl$(libextension)
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SHLIB_libxenctrl = $(SHDEPS_libxenctrl) -Wl,-rpath-link=$(XEN_libxenctrl)
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CFLAGS_libxenguest = -I$(XEN_libxenguest)/include $(CFLAGS_libxenevtchn) $(CFLAGS_libxenforeignmemory) $(CFLAGS_xeninclude)
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SHDEPS_libxenguest = $(SHLIB_libxenevtchn)
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LDLIBS_libxenguest = $(SHDEPS_libxenguest) $(XEN_libxenguest)/libxenguest$(libextension)
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SHLIB_libxenguest = $(SHDEPS_libxenguest) -Wl,-rpath-link=$(XEN_libxenguest)
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CFLAGS_libxenstore = -I$(XEN_libxenstore)/include $(CFLAGS_xeninclude)
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SHDEPS_libxenstore = $(SHLIB_libxentoolcore)
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LDLIBS_libxenstore = $(SHDEPS_libxenstore) $(XEN_libxenstore)/libxenstore$(libextension)
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SHLIB_libxenstore = $(SHDEPS_libxenstore) -Wl,-rpath-link=$(XEN_libxenstore)
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ifeq ($(CONFIG_Linux),y)
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LDLIBS_libxenstore += -ldl
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endif
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CFLAGS_libxenstat = -I$(XEN_libxenstat)
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SHDEPS_libxenstat = $(SHLIB_libxenctrl) $(SHLIB_libxenstore)
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LDLIBS_libxenstat = $(SHDEPS_libxenstat) $(XEN_libxenstat)/libxenstat$(libextension)
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SHLIB_libxenstat = $(SHDEPS_libxenstat) -Wl,-rpath-link=$(XEN_libxenstat)
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CFLAGS_libxenvchan = -I$(XEN_libxenvchan) $(CFLAGS_libxengnttab) $(CFLAGS_libxenevtchn)
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SHDEPS_libxenvchan = $(SHLIB_libxentoollog) $(SHLIB_libxenstore) $(SHLIB_libxenevtchn) $(SHLIB_libxengnttab)
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LDLIBS_libxenvchan = $(SHDEPS_libxenvchan) $(XEN_libxenvchan)/libxenvchan$(libextension)
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SHLIB_libxenvchan = $(SHDEPS_libxenvchan) -Wl,-rpath-link=$(XEN_libxenvchan)
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ifeq ($(debug),y)
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# Disable optimizations
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CFLAGS += -O0 -fno-omit-frame-pointer
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# But allow an override to -O0 in case Python enforces -D_FORTIFY_SOURCE=<n>.
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PY_CFLAGS += $(PY_NOOPT_CFLAGS)
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else
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CFLAGS += -O2 -fomit-frame-pointer
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endif
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CFLAGS_libxenlight = -I$(XEN_libxenlight) $(CFLAGS_libxenctrl) $(CFLAGS_xeninclude)
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SHDEPS_libxenlight = $(SHLIB_libxenctrl) $(SHLIB_libxenstore) $(SHLIB_libxenhypfs)
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LDLIBS_libxenlight = $(SHDEPS_libxenlight) $(XEN_libxenlight)/libxenlight$(libextension)
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SHLIB_libxenlight = $(SHDEPS_libxenlight) -Wl,-rpath-link=$(XEN_libxenlight)
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CFLAGS_libxlutil = -I$(XEN_libxlutil)
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SHDEPS_libxlutil = $(SHLIB_libxenlight)
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LDLIBS_libxlutil = $(SHDEPS_libxlutil) $(XEN_libxlutil)/libxlutil$(libextension)
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SHLIB_libxlutil = $(SHDEPS_libxlutil) -Wl,-rpath-link=$(XEN_libxlutil)
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CFLAGS += -D__XEN_INTERFACE_VERSION__=__XEN_LATEST_INTERFACE_VERSION__
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# Get gcc to generate the dependencies for us.
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CFLAGS += -MMD -MP -MF .$(if $(filter-out .,$(@D)),$(subst /,@,$(@D))@)$(@F).d
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DEPS = .*.d
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ifneq ($(FILE_OFFSET_BITS),)
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CFLAGS += -D_FILE_OFFSET_BITS=$(FILE_OFFSET_BITS)
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endif
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ifneq ($(XEN_OS),NetBSD)
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# Enable implicit LFS support *and* explicit LFS names.
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CFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
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endif
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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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CFLAGS += $(EXTRA_CFLAGS_XEN_TOOLS)
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INSTALL_PYTHON_PROG = \
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$(XEN_ROOT)/tools/python/install-wrap "$(PYTHON_PATH)" $(INSTALL_PROG)
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%.opic: %.c
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$(CC) $(CPPFLAGS) -DPIC $(CFLAGS) $(CFLAGS_$*.opic) -fPIC -c -o $@ $< $(APPEND_CFLAGS)
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%.o: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_$*.o) -c -o $@ $< $(APPEND_CFLAGS)
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%.o: %.cc
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$(CC) $(CPPFLAGS) $(CXXFLAGS) $(CXXFLAGS_$*.o) -c -o $@ $< $(APPEND_CFLAGS)
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%.o: %.S
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$(CC) $(CFLAGS) $(CFLAGS_$*.o) -c $< -o $@ $(APPEND_CFLAGS)
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%.opic: %.S
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$(CC) $(CPPFLAGS) -DPIC $(CFLAGS) $(CFLAGS.opic) -fPIC -c -o $@ $< $(APPEND_CFLAGS)
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subdirs-all subdirs-clean subdirs-install subdirs-distclean subdirs-uninstall: .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-% subdir-uninstall-%: .phony
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$(MAKE) -C $* $(patsubst subdir-%-$*,%,$@)
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subdir-distclean-%: .phony
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$(MAKE) -C $* distclean
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no-configure-targets := distclean subdir-distclean% clean subdir-clean% subtree-force-update-all %-dir-force-update
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ifeq (,$(filter $(no-configure-targets),$(MAKECMDGOALS)))
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$(XEN_ROOT)/config/Tools.mk:
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$(error You have to run ./configure before building or installing the tools)
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endif
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PKG_CONFIG_DIR ?= $(XEN_ROOT)/tools/pkg-config
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PKG_CONFIG_FILTER = $(foreach l,$(PKG_CONFIG_REMOVE),-e 's!\([ ,]\)$(l),!\1!g' -e 's![ ,]$(l)$$!!g')
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$(PKG_CONFIG_DIR)/%.pc: %.pc.in Makefile $(XEN_ROOT)/tools/Rules.mk
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mkdir -p $(PKG_CONFIG_DIR)
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@sed -e 's!@@version@@!$(PKG_CONFIG_VERSION)!g' \
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-e 's!@@prefix@@!$(PKG_CONFIG_PREFIX)!g' \
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-e 's!@@incdir@@!$(PKG_CONFIG_INCDIR)!g' \
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-e 's!@@libdir@@!$(PKG_CONFIG_LIBDIR)!g' \
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-e 's!@@firmwaredir@@!$(XENFIRMWAREDIR)!g' \
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-e 's!@@libexecbin@@!$(LIBEXEC_BIN)!g' \
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-e 's!@@cflagslocal@@!$(PKG_CONFIG_CFLAGS_LOCAL)!g' \
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-e 's!@@libsflag@@\([^ ]*\)!-L\1 -Wl,-rpath-link=\1!g' \
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$(PKG_CONFIG_FILTER) < $< > $@
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%.pc: %.pc.in Makefile $(XEN_ROOT)/tools/Rules.mk
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@sed -e 's!@@version@@!$(PKG_CONFIG_VERSION)!g' \
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-e 's!@@prefix@@!$(PKG_CONFIG_PREFIX)!g' \
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-e 's!@@incdir@@!$(PKG_CONFIG_INCDIR)!g' \
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-e 's!@@libdir@@!$(PKG_CONFIG_LIBDIR)!g' \
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-e 's!@@firmwaredir@@!$(XENFIRMWAREDIR)!g' \
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-e 's!@@libexecbin@@!$(LIBEXEC_BIN)!g' \
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-e 's!@@cflagslocal@@!!g' \
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-e 's!@@libsflag@@!-L!g' \
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$(PKG_CONFIG_FILTER) < $< > $@
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