fix unnecessary rebuilds for library package directories with no selected packages
[openwrt.git] / include / package.mk
1
2 # Copyright (C) 2006 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7 ifneq ($(DUMP),)
8   all: dumpinfo
9 else
10   all: compile
11 endif
12
13 include $(INCLUDE_DIR)/prereq.mk
14
15 define Build/DefaultTargets
16   ifeq ($(DUMP),)
17     ifeq ($(CONFIG_AUTOREBUILD),y)
18       _INFO:=
19       ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p $(PKG_BUILD_DIR) .),$(PKG_BUILD_DIR))
20         _INFO+=$(subst $(TOPDIR)/,,$(PKG_BUILD_DIR))
21         $(PKG_BUILD_DIR)/.prepared: package-clean
22       endif
23
24     endif
25   endif
26
27   $(PKG_BUILD_DIR)/.prepared:
28         @-rm -rf $(PKG_BUILD_DIR)
29         @mkdir -p $(PKG_BUILD_DIR)
30         $(call Build/Prepare)
31         touch $$@
32
33   $(PKG_BUILD_DIR)/.configured: $(PKG_BUILD_DIR)/.prepared
34         $(call Build/Configure)
35         touch $$@
36
37   $(PKG_BUILD_DIR)/.built: $(PKG_BUILD_DIR)/.configured
38         $(call Build/Compile)
39         touch $$@
40
41   ifdef Build/InstallDev
42     $(STAGING_DIR)/stampfiles/.$(PKG_NAME)-installed: $(PKG_BUILD_DIR)/.built
43         mkdir -p $(STAGING_DIR)/stampfiles
44         $(call Build/InstallDev)
45         touch $$@
46         
47     compile-targets: $(STAGING_DIR)/stampfiles/.$(PKG_NAME)-installed
48   endif
49
50   package-clean: FORCE
51         $(call Build/Clean)
52         $(call Build/UninstallDev)
53         -rm -f $(STAGING_DIR)/stampfiles/.$(PKG_NAME)-installed
54
55   package-rebuild: FORCE
56         @-rm -f $(PKG_BUILD_DIR)/.built
57
58   define Build/DefaultTargets
59   endef
60 endef
61
62 define Package/Default
63   CONFIGFILE:=
64   SECTION:=opt
65   CATEGORY:=Extra packages
66   DEPENDS:=
67   EXTRA_DEPENDS:=
68   MAINTAINER:=OpenWrt Developers Team <openwrt-devel@openwrt.org>
69   SOURCE:=$(patsubst $(TOPDIR)/%,%,${shell pwd})
70   ifneq ($(PKG_VERSION),)
71     ifneq ($(PKG_RELEASE),)
72       VERSION:=$(PKG_VERSION)-$(PKG_RELEASE)
73     else
74       VERSION:=$(PKG_VERSION)
75     endif
76   else
77     VERSION:=$(PKG_RELEASE)
78   endif
79   PKGARCH:=$(ARCH)
80   PRIORITY:=optional
81   DEFAULT:=
82   MENU:=
83   SUBMENU:=
84   SUBMENUDEP:=
85   TITLE:=
86   DESCRIPTION:=
87 endef
88
89 define BuildIPKGVariable
90   pkg_$(subst .,_,$(subst -,_,$(1)))_$(2) = $$(Package/$(1)/$(2))
91   export pkg_$(subst .,_,$(subst -,_,$(1))_$(2))
92   $(1)_COMMANDS += if [ -n "$$$$$$$$pkg_$(subst .,_,$(subst -,_,$(1)))_$(2)" ]; then echo "$$$$$$$$pkg_$(subst .,_,$(subst -,_,$(1)))_$(2)" > $(2); fi;
93 endef
94
95 define BuildPackage
96   $(eval $(call Package/Default))
97   $(eval $(call Package/$(1)))
98
99   $(foreach FIELD, TITLE CATEGORY PRIORITY VERSION,
100     ifeq ($($(FIELD)),)
101       $$(error Package/$(1) is missing the $(FIELD) field)
102     endif
103   )
104
105   ifeq ($(PKGARCH),)
106     PKGARCH:=$(ARCH)
107   endif
108
109   ifeq ($(DESCRIPTION),)
110     $(eval DESCRIPTION:=$(TITLE))
111   endif
112
113   IPKG_$(1):=$(PACKAGE_DIR)/$(1)_$(VERSION)_$(PKGARCH).ipk
114   IDIR_$(1):=$(PKG_BUILD_DIR)/ipkg/$(1)
115   INFO_$(1):=$(IPKG_STATE_DIR)/info/$(1).list
116
117   ifdef Package/$(1)/install
118     ifeq ($(CONFIG_PACKAGE_$(1)),y)
119       install-targets: $$(INFO_$(1))
120     endif
121
122     ifneq ($(CONFIG_PACKAGE_$(1)),)
123       compile-targets: $$(IPKG_$(1))
124     else
125       compile-targets: $(1)-disabled
126       $(1)-disabled:
127         @echo "WARNING: skipping $(1) -- package not selected"
128     endif
129   endif
130
131   ifeq ($(FORCEREBUILD),y)
132     $$(IPKG_$(1)): FORCE
133   endif
134
135   IDEPEND_$(1):=$$(strip $$(DEPENDS))
136
137   ifneq ($(DUMP),)
138     DUMPINFO += \
139         echo "Package: $(1)"; 
140
141     ifneq ($(MENU),)
142       DUMPINFO += \
143         echo "Menu: $(MENU)";
144     endif
145
146     ifneq ($(SUBMENU),)
147       DUMPINFO += \
148         echo "Submenu: $(SUBMENU)";
149       ifneq ($(SUBMENUDEP),)
150         DUMPINFO += \
151           echo "Submenu-Depends: $(SUBMENUDEP)";
152       endif
153     endif
154
155     ifneq ($(DEFAULT),)
156       DUMPINFO += \
157         echo "Default: $(DEFAULT)";
158     endif
159
160     DUMPINFO += \
161         echo "Version: $(VERSION)"; \
162         echo "Depends: $$(IDEPEND_$(1))"; \
163         echo "Build-Depends: $(PKG_BUILDDEP)"; \
164         echo "Category: $(CATEGORY)"; \
165         echo "Title: $(TITLE)"; \
166         echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n,g';
167
168     ifneq ($(URL),)
169       DUMPINFO += \
170         echo; \
171         echo "$(URL)";
172     endif
173
174     DUMPINFO += \
175         echo "@@";
176
177     ifneq ($(CONFIG),)
178       DUMPINFO += \
179         echo "Config: $(CONFIG)" | sed -e 's,\\,\n,g'; \
180         echo "@@";
181     endif
182   endif
183
184   $(eval $(call BuildIPKGVariable,$(1),conffiles))
185   $(eval $(call BuildIPKGVariable,$(1),preinst))
186   $(eval $(call BuildIPKGVariable,$(1),postinst))
187   $(eval $(call BuildIPKGVariable,$(1),prerm))
188   $(eval $(call BuildIPKGVariable,$(1),postrm))
189   $$(IDIR_$(1))/CONTROL/control: $(PKG_BUILD_DIR)/.version-$(1)_$(VERSION)_$(PKGARCH)
190         mkdir -p $$(IDIR_$(1))/CONTROL
191         echo "Package: $(1)" > $$(IDIR_$(1))/CONTROL/control
192         echo "Version: $(VERSION)" >> $$(IDIR_$(1))/CONTROL/control
193         ( \
194                 DEPENDS=; \
195                 for depend in $$(filter-out @%,$$(IDEPEND_$(1))); do \
196                         DEPENDS=$$$${DEPENDS:+$$$$DEPENDS, }$$$${depend##+}; \
197                 done; \
198                 echo "Depends: $(EXTRA_DEPENDS) $$$$DEPENDS" >> $$(IDIR_$(1))/CONTROL/control; \
199         )
200         echo "Source: $(SOURCE)" >> $$(IDIR_$(1))/CONTROL/control
201         echo "Section: $(SECTION)" >> $$(IDIR_$(1))/CONTROL/control
202         echo "Priority: $(PRIORITY)" >> $$(IDIR_$(1))/CONTROL/control
203         echo "Maintainer: $(MAINTAINER)" >> $$(IDIR_$(1))/CONTROL/control
204         echo "Architecture: $(PKGARCH)" >> $$(IDIR_$(1))/CONTROL/control
205         echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n ,g' >> $$(IDIR_$(1))/CONTROL/control
206         chmod 644 $$(IDIR_$(1))/CONTROL/control
207         (cd $$(IDIR_$(1))/CONTROL; \
208                 $($(1)_COMMANDS) \
209         )
210
211   $$(IPKG_$(1)): $(PKG_BUILD_DIR)/.built $$(IDIR_$(1))/CONTROL/control
212         $(call Package/$(1)/install,$$(IDIR_$(1)))
213         mkdir -p $(PACKAGE_DIR)
214         -find $$(IDIR_$(1)) -name CVS | xargs rm -rf
215         -find $$(IDIR_$(1)) -name .svn | xargs rm -rf
216         -find $$(IDIR_$(1)) -name '.#*' | xargs rm -f
217         $(RSTRIP) $$(IDIR_$(1))
218         $(IPKG_BUILD) $$(IDIR_$(1)) $(PACKAGE_DIR)
219         @[ -f $$(IPKG_$(1)) ] || false 
220
221   $$(INFO_$(1)): $$(IPKG_$(1))
222         $(IPKG) install $$(IPKG_$(1))
223
224   $(1)-clean:
225         rm -f $(PACKAGE_DIR)/$(1)_*
226
227   clean: $(1)-clean
228
229   $(PKG_BUILD_DIR)/.version-$(1)_$(VERSION)_$(PKGARCH): $(PKG_BUILD_DIR)/.prepared
230         -@rm $(PKG_BUILD_DIR)/.version-$(1)_* 2>/dev/null
231         @touch $$@
232
233   $$(eval $$(call Build/DefaultTargets,$(1)))
234
235   ifneq ($$(CONFIG_PACKAGE_$(1)),)
236     ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p -x ipkg -x ipkg-install $$(IPKG_$(1)) $(PKG_BUILD_DIR)),$$(IPKG_$(1)))
237       _INFO+=$(subst $(TOPDIR)/,,$$(IPKG_$(1)))
238       $(PKG_BUILD_DIR)/.built: package-rebuild
239     endif
240
241     ifneq ($(MAKECMDGOALS),prereq)
242       ifneq ($$(_INFO),)
243         $$(info Rebuilding $$(_INFO))
244       endif
245     endif
246   endif
247 endef
248
249 ifneq ($(strip $(PKG_CAT)),)
250   ifeq ($(PKG_CAT),unzip)
251     UNPACK=unzip -d $(PKG_BUILD_DIR) $(DL_DIR)/$(PKG_SOURCE)
252   else
253     UNPACK=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | tar -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS) -
254   endif
255   define Build/Prepare/Default
256         $(UNPACK)
257         @if [ -d ./patches ]; then \
258                 $(PATCH) $(PKG_BUILD_DIR) ./patches; \
259         fi
260   endef
261 endif
262
263 define Build/Prepare
264   $(call Build/Prepare/Default)
265 endef
266
267 define Build/Configure/Default
268         @(cd $(PKG_BUILD_DIR)/$(3); \
269         if [ -x configure ]; then \
270                 $(TARGET_CONFIGURE_OPTS) \
271                 CFLAGS="$(TARGET_CFLAGS)" \
272                 CPPFLAGS="-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include" \
273                 LDFLAGS="-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib" \
274                 $(2) \
275                 ./configure \
276                 --target=$(GNU_TARGET_NAME) \
277                 --host=$(GNU_TARGET_NAME) \
278                 --build=$(GNU_HOST_NAME) \
279                 --program-prefix="" \
280                 --program-suffix="" \
281                 --prefix=/usr \
282                 --exec-prefix=/usr \
283                 --bindir=/usr/bin \
284                 --sbindir=/usr/sbin \
285                 --libexecdir=/usr/lib \
286                 --sysconfdir=/etc \
287                 --datadir=/usr/share \
288                 --localstatedir=/var \
289                 --mandir=/usr/man \
290                 --infodir=/usr/info \
291                 $(DISABLE_NLS) \
292                 $(1); \
293         fi; \
294         )
295 endef
296
297 define Build/Configure
298   $(call Build/Configure/Default,)
299 endef
300
301 define Build/Compile/Default
302         $(MAKE) -C $(PKG_BUILD_DIR) \
303                 $(TARGET_CONFIGURE_OPTS) \
304                 CROSS="$(TARGET_CROSS)" \
305                 EXTRA_CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/include -I$(STAGING_DIR)/usr/include" \
306                 ARCH="$(ARCH)" \
307                 $(1);
308 endef
309
310 define Build/Compile
311   $(call Build/Compile/Default,)
312 endef
313
314 ifneq ($(DUMP),)
315   dumpinfo: FORCE
316         @$(DUMPINFO)
317 else
318   $(PACKAGE_DIR):
319         mkdir -p $@
320                 
321   ifneq ($(strip $(PKG_SOURCE)),)
322     download: $(DL_DIR)/$(PKG_SOURCE)
323
324     $(DL_DIR)/$(PKG_SOURCE):
325                 mkdir -p $(DL_DIR)
326                 $(SCRIPT_DIR)/download.pl "$(DL_DIR)" "$(PKG_SOURCE)" "$(PKG_MD5SUM)" $(PKG_SOURCE_URL)
327
328     $(PKG_BUILD_DIR)/.prepared: $(DL_DIR)/$(PKG_SOURCE)
329   endif
330
331   download:
332   prepare: $(PKG_BUILD_DIR)/.prepared
333   configure: $(PKG_BUILD_DIR)/.configured
334
335   compile-targets:
336   compile: compile-targets
337
338   install-targets:
339   install: install-targets
340
341   clean-targets:
342   clean: FORCE
343         @$(MAKE) clean-targets
344         $(call Build/Clean)
345         rm -rf $(PKG_BUILD_DIR)
346 endif