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https://github.com/xen-project/xen.git
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iap10@labyrinth.cl.cam.ac.uk
7ebea330c9
Description: support PIC code generation Libraries have 2 methods of being compiled; a .so must contain non-pic objects, while the .a can contain standard objects. From: Adam Heath <doogie@brainfood.com> Signed-off-by: ian.pratt@cl.cam.ac.uk
100 lines
2.6 KiB
Makefile
100 lines
2.6 KiB
Makefile
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MAJOR := 2.0
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MINOR := 0
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LIB_NAME := libxc
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SONAME := $(LIB_NAME).so.$(MAJOR)
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CC = gcc
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XEN_ROOT = ../..
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include $(XEN_ROOT)/tools/Make.defs
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vpath %c $(XEN_LIBXUTIL)
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INCLUDES += -I $(XEN_LIBXUTIL)
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SRCS :=
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SRCS += xc_atropos.c
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SRCS += xc_bvtsched.c
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SRCS += xc_domain.c
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SRCS += xc_evtchn.c
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SRCS += xc_io.c
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SRCS += xc_linux_build.c
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SRCS += xc_plan9_build.c
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SRCS += xc_linux_restore.c
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SRCS += xc_linux_save.c
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SRCS += xc_misc.c
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SRCS += xc_physdev.c
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SRCS += xc_private.c
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SRCS += xc_rrobin.c
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CFLAGS += -Wall
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CFLAGS += -Werror
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CFLAGS += -O3
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CFLAGS += -fno-strict-aliasing
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CFLAGS += $(INCLUDES) -I.
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# Get gcc to generate the dependencies for us.
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CFLAGS += -Wp,-MD,.$(@F).d
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DEPS = .*.d
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OBJS := $(patsubst %.c,%.o,$(SRCS))
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PIC_OBJS := $(patsubst %.c,%.opic,$(SRCS))
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LIB := $(LIB_NAME).a $(LIB_NAME).so $(LIB_NAME).so.$(MAJOR) $(LIB_NAME).so.$(MAJOR).$(MINOR)
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all: check-for-zlib mk-symlinks
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$(MAKE) $(LIB)
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check-for-zlib:
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@if [ ! -e /usr/include/zlib.h ]; then \
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echo "***********************************************************"; \
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echo "ERROR: install zlib header files (http://www.gzip.org/zlib)"; \
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echo "***********************************************************"; \
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false; \
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fi
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LINUX_ROOT := $(wildcard $(XEN_ROOT)/linux-2.6.*-xen-sparse)
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mk-symlinks:
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[ -e xen/linux ] || mkdir -p xen/linux
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[ -e xen/io ] || mkdir -p xen/io
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( cd xen >/dev/null ; \
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ln -sf ../$(XEN_ROOT)/xen/include/public/*.h . )
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( cd xen/io >/dev/null ; \
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ln -sf ../../$(XEN_ROOT)/xen/include/public/io/*.h . )
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( cd xen/linux >/dev/null ; \
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ln -sf ../../$(LINUX_ROOT)/include/asm-xen/linux-public/*.h . )
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install: all
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mkdir -p $(prefix)/usr/lib
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mkdir -p $(prefix)/usr/include
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install -m0755 $(LIB) $(prefix)/usr/lib
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ln -sf $(LIB_NAME).so.$(MAJOR).$(MINOR) $(prefix)/usr/lib/$(LIB_NAME).so.$(MAJOR)
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ln -sf $(LIB_NAME).so.$(MAJOR) $(prefix)/usr/lib/$(LIB_NAME).so
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install -m0644 xc.h $(prefix)/usr/include
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clean:
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rm -rf *.a *.so *.o *.opic *.rpm $(LIB) *~ $(DEPS) xen
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rpm: all
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rm -rf staging
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mkdir staging
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mkdir staging/i386
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rpmbuild --define "staging$$PWD/staging" --define '_builddir.' \
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--define "_rpmdir$$PWD/staging" -bb rpm.spec
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mv staging/i386/*.rpm .
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rm -rf staging
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$(PIC_OBJS): %.opic: %.c
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$(CC) $(CPPFLAGS) -DPIC $(CFLAGS) -fPIC -c -o $@ $<
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$(LIB_NAME).a: $(OBJS)
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$(AR) rc $@ $^
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$(LIB_NAME).so: $(LIB_NAME).so.$(MAJOR)
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ln -sf $< $@
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$(LIB_NAME).so.$(MAJOR): $(LIB_NAME).so.$(MAJOR).$(MINOR)
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ln -sf $< $@
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$(LIB_NAME).so.$(MAJOR).$(MINOR): $(PIC_OBJS)
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$(CC) -Wl,-soname -Wl,$(SONAME) -shared -o $@ $^ -L../libxutil -lxutil -lz
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-include $(DEPS)
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