build: add required exports for dependency tracking
[openwrt.git] / include / package-ipkg.mk
1 #
2 # Copyright (C) 2006,2007 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 # invoke ipkg-build with some default options
9 IPKG_BUILD:= \
10   ipkg-build -c -o 0 -g 0
11
12 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/opkg
13
14 define BuildIPKGVariable
15 ifdef Package/$(1)/$(2)
16   $(call shexport,Package/$(1)/$(2))
17   $(1)_COMMANDS += var2file "$(call shvar,Package/$(1)/$(2))" $(2);
18 endif
19 endef
20
21 PARENL :=(
22 PARENR :=)
23
24 dep_split=$(subst :,$(space),$(1))
25 dep_rem=$(subst !,,$(subst $(strip $(PARENL)),,$(subst $(strip $(PARENR)),,$(word 1,$(call dep_split,$(1))))))
26 dep_confvar=$(strip $(foreach cond,$(subst ||, ,$(call dep_rem,$(1))),$(CONFIG_$(cond))))
27 dep_pos=$(if $(call dep_confvar,$(1)),$(call dep_val,$(1)))
28 dep_neg=$(if $(call dep_confvar,$(1)),,$(call dep_val,$(1)))
29 dep_if=$(if $(findstring !,$(1)),$(call dep_neg,$(1)),$(call dep_pos,$(1)))
30 dep_val=$(word 2,$(call dep_split,$(1)))
31 strip_deps=$(strip $(subst +,,$(filter-out @%,$(1))))
32 filter_deps=$(foreach dep,$(call strip_deps,$(1)),$(if $(findstring :,$(dep)),$(call dep_if,$(dep)),$(dep)))
33
34 define AddDependency
35   $$(if $(1),$$(if $(2),$$(foreach pkg,$(1),$$(IPKG_$$(pkg))): $$(foreach pkg,$(2),$$(IPKG_$$(pkg)))))
36 endef
37
38 define FixupReverseDependencies
39   DEPS := $$(filter %:$(1),$$(IDEPEND))
40   DEPS := $$(patsubst %:$(1),%,$$(DEPS))
41   DEPS := $$(filter $$(DEPS),$$(IPKGS))
42   $(call AddDependency,$$(DEPS),$(1))
43 endef
44
45 define FixupDependencies
46   DEPS := $$(filter $(1):%,$$(IDEPEND))
47   DEPS := $$(patsubst $(1):%,%,$$(DEPS))
48   DEPS := $$(filter $$(DEPS),$$(IPKGS))
49   $(call AddDependency,$(1),$$(DEPS))
50 endef
51
52 ifneq ($(PKG_NAME),toolchain)
53   define CheckDependencies
54         @( \
55                 rm -f $(PKG_INFO_DIR)/$(1).missing; \
56                 ( \
57                         export \
58                                 READELF=$(TARGET_CROSS)readelf \
59                                 OBJCOPY=$(TARGET_CROSS)objcopy \
60                                 XARGS="$(XARGS)"; \
61                         $(SCRIPT_DIR)/gen-dependencies.sh "$$(IDIR_$(1))"; \
62                 ) | while read FILE; do \
63                         grep -q "$$$$FILE" $(PKG_INFO_DIR)/$(1).provides || \
64                                 echo "$$$$FILE" >> $(PKG_INFO_DIR)/$(1).missing; \
65                 done; \
66                 if [ -f "$(PKG_INFO_DIR)/$(1).missing" ]; then \
67                         echo "Package $(1) is missing dependencies for the following libraries:"; \
68                         cat "$(PKG_INFO_DIR)/$(1).missing"; \
69                         false; \
70                 fi; \
71         )
72   endef
73 endif
74
75 ifeq ($(DUMP),)
76   define BuildTarget/ipkg
77     IPKG_$(1):=$(PACKAGE_DIR)/$(1)_$(VERSION)_$(PKGARCH).ipk
78     IDIR_$(1):=$(PKG_BUILD_DIR)/ipkg-$(PKGARCH)/$(1)
79     KEEP_$(1):=$(strip $(call Package/$(1)/conffiles))
80
81     ifeq ($(BUILD_VARIANT),$$(if $$(VARIANT),$$(VARIANT),$(BUILD_VARIANT)))
82     ifdef Package/$(1)/install
83       ifneq ($(CONFIG_PACKAGE_$(1))$(SDK)$(DEVELOPER),)
84         IPKGS += $(1)
85         compile: $$(IPKG_$(1)) $(PKG_INFO_DIR)/$(1).provides $(STAGING_DIR_ROOT)/stamp/.$(1)_installed
86
87         ifeq ($(CONFIG_PACKAGE_$(1)),y)
88           .PHONY: $(PKG_INSTALL_STAMP).$(1)
89           compile: $(PKG_INSTALL_STAMP).$(1)
90           $(PKG_INSTALL_STAMP).$(1):
91                         if [ -f $(PKG_INSTALL_STAMP).clean ]; then \
92                                 rm -f \
93                                         $(PKG_INSTALL_STAMP) \
94                                         $(PKG_INSTALL_STAMP).clean; \
95                         fi; \
96                         echo "$(1)" >> $(PKG_INSTALL_STAMP)
97         endif
98       else
99         compile: $(1)-disabled
100         $(1)-disabled:
101                 @echo "WARNING: skipping $(1) -- package not selected" >&2
102       endif
103     endif
104     endif
105
106     DEPENDS:=$(call PKG_FIXUP_DEPENDS,$(1),$(DEPENDS))
107     IDEPEND_$(1):=$$(call filter_deps,$$(DEPENDS))
108     IDEPEND += $$(patsubst %,$(1):%,$$(IDEPEND_$(1)))
109     $(FixupDependencies)
110     $(FixupReverseDependencies)
111
112     $(eval $(call BuildIPKGVariable,$(1),conffiles))
113     $(eval $(call BuildIPKGVariable,$(1),preinst))
114     $(eval $(call BuildIPKGVariable,$(1),postinst))
115     $(eval $(call BuildIPKGVariable,$(1),prerm))
116     $(eval $(call BuildIPKGVariable,$(1),postrm))
117
118     $(STAGING_DIR_ROOT)/stamp/.$(1)_installed: $(STAMP_BUILT)
119         rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
120         mkdir -p $(STAGING_DIR_ROOT)/stamp $(STAGING_DIR_ROOT)/tmp-$(1)
121         $(call Package/$(1)/install,$(STAGING_DIR_ROOT)/tmp-$(1))
122         $(call Package/$(1)/install_lib,$(STAGING_DIR_ROOT)/tmp-$(1))
123         $(call locked,$(CP) $(STAGING_DIR_ROOT)/tmp-$(1)/. $(STAGING_DIR_ROOT)/,root-copy)
124         rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
125         touch $$@
126
127     $(PKG_INFO_DIR)/$(1).provides: $$(IPKG_$(1))
128     $$(IPKG_$(1)): $(STAMP_BUILT) $(INCLUDE_DIR)/package-ipkg.mk
129         @rm -rf $(PACKAGE_DIR)/$(1)_* $$(IDIR_$(1))
130         mkdir -p $(PACKAGE_DIR) $$(IDIR_$(1))/CONTROL $(PKG_INFO_DIR)
131         $(call Package/$(1)/install,$$(IDIR_$(1)))
132         -find $$(IDIR_$(1)) -name 'CVS' -o -name '.svn' -o -name '.#*' -o -name '*~'| $(XARGS) rm -rf
133         @( \
134                 find $$(IDIR_$(1)) -name lib\*.so\* -or -name \*.ko | awk -F/ '{ print $$$$NF }'; \
135                 for file in $$(patsubst %,$(PKG_INFO_DIR)/%.provides,$$(IDEPEND_$(1))); do \
136                         if [ -f "$$$$file" ]; then \
137                                 cat $$$$file; \
138                         fi; \
139                 done; $(Package/$(1)/extra_provides) \
140         ) | sort -u > $(PKG_INFO_DIR)/$(1).provides
141         $(if $(PROVIDES),@for pkg in $(PROVIDES); do cp $(PKG_INFO_DIR)/$(1).provides $(PKG_INFO_DIR)/$$$$pkg.provides; done)
142         $(CheckDependencies)
143
144         $(RSTRIP) $$(IDIR_$(1))
145         ( \
146                 echo "Package: $(1)"; \
147                 echo "Version: $(VERSION)"; \
148                 DEPENDS='$(EXTRA_DEPENDS)'; \
149                 for depend in $$(filter-out @%,$$(IDEPEND_$(1))); do \
150                         DEPENDS=$$$${DEPENDS:+$$$$DEPENDS, }$$$${depend##+}; \
151                 done; \
152                 [ -z "$$$$DEPENDS" ] || echo "Depends: $$$$DEPENDS"; \
153                 $(if $(PROVIDES), echo "Provides: $(PROVIDES)"; ) \
154                 echo "Source: $(SOURCE)"; \
155                 $(if $(PKG_SOURCE), echo "SourceFile: $(PKG_SOURCE)"; ) \
156                 $(if $(PKG_SOURCE_URL), echo "SourceURL: $(PKG_SOURCE_URL)"; ) \
157                 $(if $(PKG_LICENSE), echo "License: $(PKG_LICENSE)"; ) \
158                 $(if $(PKG_LICENSE_FILES), echo "LicenseFiles: $(PKG_LICENSE_FILES)"; ) \
159                 echo "Section: $(SECTION)"; \
160                 $(if $(filter hold,$(PKG_FLAGS)),echo "Status: unknown hold not-installed"; ) \
161                 $(if $(filter essential,$(PKG_FLAGS)), echo "Essential: yes"; ) \
162                 $(if $(MAINTAINER),echo "Maintainer: $(MAINTAINER)"; ) \
163                 echo "Architecture: $(PKGARCH)"; \
164                 echo "Installed-Size: 0"; \
165                 echo -n "Description: "; $(SH_FUNC) getvar $(call shvar,Package/$(1)/description) | sed -e 's,^[[:space:]]*, ,g'; \
166         ) > $$(IDIR_$(1))/CONTROL/control
167         chmod 644 $$(IDIR_$(1))/CONTROL/control
168         $(SH_FUNC) (cd $$(IDIR_$(1))/CONTROL; \
169                 $($(1)_COMMANDS) \
170         )
171
172     ifneq ($$(KEEP_$(1)),)
173                 @( \
174                         keepfiles=""; \
175                         for x in $$(KEEP_$(1)); do \
176                                 [ -f "$$(IDIR_$(1))/$$$$x" ] || keepfiles="$$$${keepfiles:+$$$$keepfiles }$$$$x"; \
177                         done; \
178                         [ -z "$$$$keepfiles" ] || { \
179                                 mkdir -p $$(IDIR_$(1))/lib/upgrade/keep.d; \
180                                 for x in $$$$keepfiles; do echo $$$$x >> $$(IDIR_$(1))/lib/upgrade/keep.d/$(1); done; \
181                         }; \
182                 )
183     endif
184
185         $(IPKG_BUILD) $$(IDIR_$(1)) $(PACKAGE_DIR)
186         @[ -f $$(IPKG_$(1)) ]
187
188     $(1)-clean:
189         rm -f $(PACKAGE_DIR)/$(1)_*
190
191     clean: $(1)-clean
192
193   endef
194 endif