1# Common Makefile for building a lib.
2#
3# Variables taken as input:
4#   PKG_CONFIG_FILE: name of pkg-config file (xen$(LIBNAME).pc if empty)
5#   MAJOR:   major version of lib (Xen version if empty)
6#   MINOR:   minor version of lib (0 if empty)
7#   version-script: Specify the name of a version script to the linker.
8#     (If empty, a temporary one for unstable library is created)
9
10LIBNAME := $(notdir $(CURDIR))
11
12ifeq ($(origin MAJOR), undefined)
13MAJOR := $(shell $(XEN_ROOT)/version.sh $(XEN_ROOT)/xen/Makefile)
14endif
15MINOR ?= 0
16
17CFLAGS   += -Wmissing-prototypes
18CFLAGS   += $(CFLAGS_xeninclude)
19CFLAGS   += $(foreach lib, $(USELIBS_$(LIBNAME)), $(CFLAGS_libxen$(lib)))
20
21LDLIBS += $(call xenlibs-ldlibs,$(USELIBS_$(LIBNAME)))
22
23PIC_OBJS := $(OBJS-y:.o=.opic)
24
25LIB_FILE_NAME = $(FILENAME_$(LIBNAME))
26TARGETS := lib$(LIB_FILE_NAME).a
27ifneq ($(nosharedlibs),y)
28TARGETS += lib$(LIB_FILE_NAME).so
29endif
30
31version-script ?= lib$(LIB_FILE_NAME).map.tmp
32
33PKG_CONFIG_FILE ?= $(LIB_FILE_NAME).pc
34PKG_CONFIG_NAME ?= Xen$(LIBNAME)
35PKG_CONFIG_DESC ?= The $(PKG_CONFIG_NAME) library for Xen hypervisor
36PKG_CONFIG_VERSION := $(MAJOR).$(MINOR)
37PKG_CONFIG_USELIBS := $(SHLIB_libxen$(LIBNAME))
38PKG_CONFIG_LIB := $(LIB_FILE_NAME)
39PKG_CONFIG_REQPRIV := $(subst $(space),$(comma),$(strip $(foreach lib,$(patsubst ctrl,control,$(USELIBS_$(LIBNAME))),xen$(lib))))
40
41ifneq ($(CONFIG_LIBXC_MINIOS),y)
42TARGETS += $(PKG_CONFIG_FILE)
43$(PKG_CONFIG_FILE): PKG_CONFIG_PREFIX = $(prefix)
44$(PKG_CONFIG_FILE): PKG_CONFIG_INCDIR = $(includedir)
45$(PKG_CONFIG_FILE): PKG_CONFIG_LIBDIR = $(libdir)
46endif
47
48PKG_CONFIG_LOCAL := $(PKG_CONFIG_DIR)/$(PKG_CONFIG_FILE)
49
50LIBHEADER ?= $(LIB_FILE_NAME).h
51LIBHEADERS = $(foreach h, $(LIBHEADER), $(XEN_INCLUDE)/$(h))
52
53PKG_ABI := lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR)-$(XEN_TARGET_ARCH)-abi.dump
54
55$(PKG_CONFIG_LOCAL): PKG_CONFIG_PREFIX = $(XEN_ROOT)
56$(PKG_CONFIG_LOCAL): PKG_CONFIG_INCDIR = $(XEN_INCLUDE)
57$(PKG_CONFIG_LOCAL): PKG_CONFIG_LIBDIR = $(CURDIR)
58
59.PHONY: all
60all: $(TARGETS) $(PKG_CONFIG_LOCAL) $(LIBHEADERS)
61
62ifneq ($(NO_HEADERS_CHK),y)
63all: headers.chk
64
65headers.chk: $(LIBHEADERS) $(AUTOINCS)
66	for i in $(filter %.h,$^); do \
67	    $(CC) -x c -ansi -Wall -Werror $(CFLAGS_xeninclude) \
68	          -S -o /dev/null $$i || exit 1; \
69	    echo $$i; \
70	done >$@.new
71	mv $@.new $@
72endif
73
74headers.lst: FORCE
75	@{ set -e; $(foreach h,$(LIBHEADERS),echo $(h);) } > $@.tmp
76	@$(call move-if-changed,$@.tmp,$@)
77
78lib$(LIB_FILE_NAME).map.tmp: FORCE
79	echo 'lib$(LIB_FILE_NAME)_$(MAJOR).$(MINOR) { global: *; };' >$(@D)/.$(@F)
80	$(call move-if-changed,$(@D)/.$(@F),$@)
81
82lib$(LIB_FILE_NAME).a: $(OBJS-y)
83	$(AR) rc $@ $^
84
85lib$(LIB_FILE_NAME).so: lib$(LIB_FILE_NAME).so.$(MAJOR)
86	$(SYMLINK_SHLIB) $< $@
87lib$(LIB_FILE_NAME).so.$(MAJOR): lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR)
88	$(SYMLINK_SHLIB) $< $@
89
90lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR): $(PIC_OBJS) $(version-script)
91	$(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) -Wl,lib$(LIB_FILE_NAME).so.$(MAJOR) -Wl,--version-script=$(version-script) $(SHLIB_LDFLAGS) -o $@ $(PIC_OBJS) $(LDLIBS) $(APPEND_LDFLAGS)
92
93# If abi-dumper is available, write out the ABI analysis
94ifneq ($(ABI_DUMPER),)
95ifneq ($(nosharedlibs),y)
96all: $(PKG_ABI)
97$(PKG_ABI): lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) headers.lst
98	$(ABI_DUMPER) $< -o $@ -public-headers headers.lst -lver $(MAJOR).$(MINOR)
99endif
100endif
101
102.PHONY: install
103install:: all
104	$(INSTALL_DIR) $(DESTDIR)$(libdir)
105	$(INSTALL_DIR) $(DESTDIR)$(includedir)
106	$(INSTALL_SHLIB) lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)
107	$(INSTALL_DATA) lib$(LIB_FILE_NAME).a $(DESTDIR)$(libdir)
108	$(SYMLINK_SHLIB) lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so.$(MAJOR)
109	$(SYMLINK_SHLIB) lib$(LIB_FILE_NAME).so.$(MAJOR) $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so
110	for i in $(LIBHEADERS); do $(INSTALL_DATA) $$i $(DESTDIR)$(includedir); done
111	$(INSTALL_DATA) $(PKG_CONFIG_FILE) $(DESTDIR)$(PKG_INSTALLDIR)
112
113.PHONY: uninstall
114uninstall::
115	rm -f $(DESTDIR)$(PKG_INSTALLDIR)/$(LIB_FILE_NAME).pc
116	for i in $(LIBHEADER); do rm -f $(DESTDIR)$(includedir)/$$i; done
117	rm -f $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so
118	rm -f $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so.$(MAJOR)
119	rm -f $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR)
120	rm -f $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).a
121
122.PHONY: TAGS
123TAGS:
124	etags -t *.c *.h
125
126.PHONY: clean
127clean::
128	rm -rf $(TARGETS) *~ $(DEPS_RM) $(OBJS-y) $(PIC_OBJS)
129	rm -f lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) lib$(LIB_FILE_NAME).so.$(MAJOR)
130	rm -f headers.chk headers.lst lib*.map.tmp .*.tmp
131
132.PHONY: distclean
133distclean: clean
134
135ifeq ($(filter clean distclean,$(MAKECMDGOALS)),)
136-include $(DEPS_INCLUDE)
137endif
138