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https://github.com/xemu-project/xemu.git
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44dc0ca3d2
No flag to configure is required. Instead, added a libcacard.la target that is not built by default, only when requested explicitly via: mkdir build cd build ../configure make libcacard.la make install-libcacard Uses libtool to do actual linking of object files and shared library, and installing. Tested only under linux, but supposed to work on other systems as well. If libtool isn't found you get a message complaining about that, only at build time (since it is not a default target I did not add a message at configure time). New build artifacts: .libs subdirectories (at <buildroot> and <buildroot>/libcacard) *.lo files (at same locations as the respective o files) Added %.lo : %.c rule that uses libtool. Updated clean rule to clean up those artifacts. Added specific rule to call dtrace with libtool wrapper (note that because of a current upstream dtrace bug fixed by systemtap b1568fd85 commit the -fPIC flag isn't actually passed on. still current dtrace+libtool produced object links fine). If libtool is missing any of the following targets will complain and exit 1: any subdir: *.lo root and libcacard: libcacard.la, libcacard-instsall Tested to link and load with all tracing backends.
73 lines
2.3 KiB
Makefile
73 lines
2.3 KiB
Makefile
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# Don't use implicit rules or variables
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# we have explicit rules for everything
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MAKEFLAGS += -rR
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# Files with this suffixes are final, don't try to generate them
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# using implicit rules
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%.d:
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%.h:
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%.c:
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%.m:
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%.mak:
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# Flags for dependency generation
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QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
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ifeq ($(LIBTOOL),)
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%.lo: %.c
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@echo "missing libtool. please install and rerun configure"; exit 1
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else
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%.lo: %.c
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$(call quiet-command,libtool --mode=compile --quiet --tag=CC $(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@")
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endif
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%.o: %.S
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
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%.o: %.m
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
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LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS)," LINK $(TARGET_DIR)$@")
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%$(EXESUF): %.o
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$(call LINK,$^)
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%.a:
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$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
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quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
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# cc-option
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# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
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cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
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>/dev/null 2>&1 && echo OK), $2, $3)
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VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
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set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
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# find-in-path
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# Usage: $(call find-in-path, prog)
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# Looks in the PATH if the argument contains no slash, else only considers one
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# specific directory. Returns an # empty string if the program doesn't exist
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# there.
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find-in-path = $(if $(find-string /, $1), \
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$(wildcard $1), \
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$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
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# Generate timestamp files for .h include files
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%.h: %.h-timestamp
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@test -f $@ || cp $< $@
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%.h-timestamp: %.mak
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$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $*.h")
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@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
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# will delete the target of a rule if commands exit with a nonzero exit status
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.DELETE_ON_ERROR:
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