base-files: add support for overlaying rootfs content
[openwrt/openwrt.git] / include / package-ipkg.mk
index 36f0303..e168eb3 100644 (file)
-# 
-# Copyright (C) 2006,2007 OpenWrt.org
+#
+# Copyright (C) 2006-2014 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
+ifndef DUMP
+  include $(INCLUDE_DIR)/feeds.mk
+endif
+
+# invoke ipkg-build with some default options
+IPKG_BUILD:= \
+  $(SCRIPT_DIR)/ipkg-build -c -o 0 -g 0
+
+IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/opkg
+
+# 1: package name
+# 2: variable name
+# 3: variable suffix
+# 4: file is a script
 define BuildIPKGVariable
+ifdef Package/$(1)/$(2)
+  $$(IPKG_$(1)) : VAR_$(2)$(3)=$$(Package/$(1)/$(2))
   $(call shexport,Package/$(1)/$(2))
-  $(1)_COMMANDS += var2file "$(call shvar,Package/$(1)/$(2))" $(2);
+  $(1)_COMMANDS += echo "$$$$$$$$$(call shvar,Package/$(1)/$(2))" > $(2)$(3); $(if $(4),chmod 0755 $(2)$(3);)
+endif
 endef
 
+PARENL :=(
+PARENR :=)
+
+dep_split=$(subst :,$(space),$(1))
+dep_rem=$(subst !,,$(subst $(strip $(PARENL)),,$(subst $(strip $(PARENR)),,$(word 1,$(call dep_split,$(1))))))
+dep_confvar=$(strip $(foreach cond,$(subst ||, ,$(call dep_rem,$(1))),$(CONFIG_$(cond))))
+dep_pos=$(if $(call dep_confvar,$(1)),$(call dep_val,$(1)))
+dep_neg=$(if $(call dep_confvar,$(1)),,$(call dep_val,$(1)))
+dep_if=$(if $(findstring !,$(1)),$(call dep_neg,$(1)),$(call dep_pos,$(1)))
+dep_val=$(word 2,$(call dep_split,$(1)))
+strip_deps=$(strip $(subst +,,$(filter-out @%,$(1))))
+filter_deps=$(foreach dep,$(call strip_deps,$(1)),$(if $(findstring :,$(dep)),$(call dep_if,$(dep)),$(dep)))
+
+define AddDependency
+  $$(if $(1),$$(if $(2),$$(foreach pkg,$(1),$$(IPKG_$$(pkg))): $$(foreach pkg,$(2),$$(IPKG_$$(pkg)))))
+endef
+
+define FixupReverseDependencies
+  DEPS := $$(filter %:$(1),$$(IDEPEND))
+  DEPS := $$(patsubst %:$(1),%,$$(DEPS))
+  DEPS := $$(filter $$(DEPS),$$(IPKGS))
+  $(call AddDependency,$$(DEPS),$(1))
+endef
+
+define FixupDependencies
+  DEPS := $$(filter $(1):%,$$(IDEPEND))
+  DEPS := $$(patsubst $(1):%,%,$$(DEPS))
+  DEPS := $$(filter $$(DEPS),$$(IPKGS))
+  $(call AddDependency,$(1),$$(DEPS))
+endef
+
+ifneq ($(PKG_NAME),toolchain)
+  define CheckDependencies
+       @( \
+               rm -f $(PKG_INFO_DIR)/$(1).missing; \
+               ( \
+                       export \
+                               READELF=$(TARGET_CROSS)readelf \
+                               OBJCOPY=$(TARGET_CROSS)objcopy \
+                               XARGS="$(XARGS)"; \
+                       $(SCRIPT_DIR)/gen-dependencies.sh "$$(IDIR_$(1))"; \
+               ) | while read FILE; do \
+                       grep -qxF "$$$$FILE" $(PKG_INFO_DIR)/$(1).provides || \
+                               echo "$$$$FILE" >> $(PKG_INFO_DIR)/$(1).missing; \
+               done; \
+               if [ -f "$(PKG_INFO_DIR)/$(1).missing" ]; then \
+                       echo "Package $(1) is missing dependencies for the following libraries:" >&2; \
+                       cat "$(PKG_INFO_DIR)/$(1).missing" >&2; \
+                       false; \
+               fi; \
+       )
+  endef
+endif
+
+_addsep=$(word 1,$(1))$(foreach w,$(wordlist 2,$(words $(1)),$(1)),$(strip $(2) $(w)))
+_cleansep=$(subst $(space)$(2)$(space),$(2)$(space),$(1))
+mergelist=$(call _cleansep,$(call _addsep,$(1),$(comma)),$(comma))
+addfield=$(if $(strip $(2)),$(1): $(2))
+_define=define
+_endef=endef
+
 ifeq ($(DUMP),)
-  define BuildIPKG
-    IPKG_$(1):=$(PACKAGE_DIR)/$(1)_$(VERSION)_$(PKGARCH).ipk
-    IDIR_$(1):=$(PKG_BUILD_DIR)/ipkg/$(1)
-    INFO_$(1):=$(IPKG_STATE_DIR)/info/$(1).list
+  define BuildTarget/ipkg
+    PDIR_$(1):=$(call FeedPackageDir,$(1))
+    IPKG_$(1):=$$(PDIR_$(1))/$(1)_$(VERSION)_$(PKGARCH).ipk
+    IDIR_$(1):=$(PKG_BUILD_DIR)/ipkg-$(PKGARCH)/$(1)
+    KEEP_$(1):=$(strip $(call Package/$(1)/conffiles))
 
+    ifeq ($(BUILD_VARIANT),$$(if $$(VARIANT),$$(VARIANT),$(BUILD_VARIANT)))
+    do_install=
     ifdef Package/$(1)/install
-      ifneq ($(CONFIG_PACKAGE_$(1))$(SDK)$(DEVELOPER),)
-        compile: $$(IPKG_$(1))
-
-        ifeq ($(CONFIG_PACKAGE_$(1)),y)
-          install: $$(INFO_$(1))
+      do_install=yes
+    endif
+    ifdef Package/$(1)/install-overlay
+      do_install=yes
+    endif
+    ifdef do_install
+      ifneq ($(CONFIG_PACKAGE_$(1))$(DEVELOPER),)
+        IPKGS += $(1)
+        compile: $$(IPKG_$(1)) $(PKG_INFO_DIR)/$(1).provides $(STAGING_DIR_ROOT)/stamp/.$(1)_installed
+        ifneq ($(ABI_VERSION),)
+        compile: $(PKG_INFO_DIR)/$(1).version
         endif
       else
-        compile: $(1)-disabled
-        $(1)-disabled:
-               @echo "WARNING: skipping $(1) -- package not selected"
+        $(if $(CONFIG_PACKAGE_$(1)),$$(info WARNING: skipping $(1) -- package not selected))
+      endif
+
+      .PHONY: $(PKG_INSTALL_STAMP).$(1)
+      compile: $(PKG_INSTALL_STAMP).$(1)
+      $(PKG_INSTALL_STAMP).$(1):
+                       if [ -f $(PKG_INSTALL_STAMP).clean ]; then \
+                               rm -f \
+                                       $(PKG_INSTALL_STAMP) \
+                                       $(PKG_INSTALL_STAMP).clean; \
+                       fi
+      ifeq ($(CONFIG_PACKAGE_$(1)),y)
+                       echo "$(1)" >> $(PKG_INSTALL_STAMP)
       endif
     endif
+    endif
+
+    DEPENDS:=$(call PKG_FIXUP_DEPENDS,$(1),$(DEPENDS))
+    IDEPEND_$(1):=$$(call filter_deps,$$(DEPENDS))
+    IDEPEND += $$(patsubst %,$(1):%,$$(IDEPEND_$(1)))
+    $(FixupDependencies)
+    $(FixupReverseDependencies)
 
-    IDEPEND_$(1):=$$(strip $$(DEPENDS))
-  
     $(eval $(call BuildIPKGVariable,$(1),conffiles))
-    $(eval $(call BuildIPKGVariable,$(1),preinst))
-    $(eval $(call BuildIPKGVariable,$(1),postinst))
-    $(eval $(call BuildIPKGVariable,$(1),prerm))
-    $(eval $(call BuildIPKGVariable,$(1),postrm))
-    $$(IDIR_$(1))/CONTROL/control: $(PKG_BUILD_DIR)/.version-$(1)_$(VERSION)_$(PKGARCH)
-       @rm -f $(PACKAGE_DIR)/$(1)_*
-       mkdir -p $$(IDIR_$(1))/CONTROL
-       echo "Package: $(1)" > $$(IDIR_$(1))/CONTROL/control
-       echo "Version: $(VERSION)" >> $$(IDIR_$(1))/CONTROL/control
-       ( \
-               DEPENDS='$(EXTRA_DEPENDS)'; \
-               for depend in $$(filter-out @%,$$(IDEPEND_$(1))); do \
-                       DEPENDS=$$$${DEPENDS:+$$$$DEPENDS, }$$$${depend##+}; \
-               done; \
-               echo "Depends: $$$$DEPENDS"; \
-               echo "Source: $(SOURCE)"; \
-               echo "Section: $(SECTION)"; \
-               echo "Priority: $(PRIORITY)"; \
-               echo "Maintainer: $(MAINTAINER)"; \
-               echo "Architecture: $(PKGARCH)"; \
-               echo -n "Description: "; getvar $(call shvar,Package/$(1)/description) | sed -e 's,^[[:space:]]*, ,g'; \
-       ) >> $$(IDIR_$(1))/CONTROL/control
-       chmod 644 $$(IDIR_$(1))/CONTROL/control
+    $(eval $(call BuildIPKGVariable,$(1),preinst,,1))
+    $(eval $(call BuildIPKGVariable,$(1),postinst,-pkg,1))
+    $(eval $(call BuildIPKGVariable,$(1),prerm,-pkg,1))
+    $(eval $(call BuildIPKGVariable,$(1),postrm,,1))
+
+    $(STAGING_DIR_ROOT)/stamp/.$(1)_installed : export PATH=$$(TARGET_PATH_PKG)
+    $(STAGING_DIR_ROOT)/stamp/.$(1)_installed: $(STAMP_BUILT)
+       rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
+       mkdir -p $(STAGING_DIR_ROOT)/stamp $(STAGING_DIR_ROOT)/tmp-$(1)
+       $(call Package/$(1)/install,$(STAGING_DIR_ROOT)/tmp-$(1))
+       $(call Package/$(1)/install_lib,$(STAGING_DIR_ROOT)/tmp-$(1))
+       $(call locked,$(CP) $(STAGING_DIR_ROOT)/tmp-$(1)/. $(STAGING_DIR_ROOT)/,root-copy)
+       rm -rf $(STAGING_DIR_ROOT)/tmp-$(1)
+       touch $$@
+
+    $(PKG_INFO_DIR)/$(1).version: $$(IPKG_$(1))
+       echo '$(ABI_VERSION)' | cmp -s - $$@ || \
+               echo '$(ABI_VERSION)' > $$@
+
+    Package/$(1)/DEPENDS := $$(call mergelist,$$(filter-out @%,$$(IDEPEND_$(1))))
+    ifneq ($$(EXTRA_DEPENDS),)
+      Package/$(1)/DEPENDS := $$(EXTRA_DEPENDS)$$(if $$(Package/$(1)/DEPENDS),$$(comma) $$(Package/$(1)/DEPENDS))
+    endif
+
+$(_define) Package/$(1)/CONTROL
+Package: $(1)
+Version: $(VERSION)
+$$(call addfield,Depends,$$(Package/$(1)/DEPENDS)
+)$$(call addfield,Conflicts,$$(call mergelist,$(CONFLICTS))
+)$$(call addfield,Provides,$$(call mergelist,$(PROVIDES))
+)$$(call addfield,Source,$(SOURCE)
+)$$(call addfield,License,$$(PKG_LICENSE)
+)$$(call addfield,LicenseFiles,$$(PKG_LICENSE_FILES)
+)$$(call addfield,Section,$(SECTION)
+)$$(call addfield,Require-User,$(USERID)
+)$(if $(filter hold,$(PKG_FLAGS)),Status: unknown hold not-installed
+)$(if $(filter essential,$(PKG_FLAGS)),Essential: yes
+)$(if $(MAINTAINER),Maintainer: $(MAINTAINER)
+)Architecture: $(PKGARCH)
+Installed-Size: 0
+$(_endef)
+
+    $(PKG_INFO_DIR)/$(1).provides: $$(IPKG_$(1))
+    $$(IPKG_$(1)) : export CONTROL=$$(Package/$(1)/CONTROL)
+    $$(IPKG_$(1)) : export DESCRIPTION=$$(Package/$(1)/description)
+    $$(IPKG_$(1)) : export PATH=$$(TARGET_PATH_PKG)
+    $$(IPKG_$(1)): $(STAMP_BUILT) $(INCLUDE_DIR)/package-ipkg.mk
+       @rm -rf $$(IDIR_$(1)) $$(call opkg_package_files,$(1))
+       mkdir -p $(PACKAGE_DIR) $$(IDIR_$(1))/CONTROL $(PKG_INFO_DIR)
+       $(call Package/$(1)/install,$$(IDIR_$(1)))
+       $(if $(Package/$(1)/install-overlay),mkdir -p $(PACKAGE_DIR) $$(IDIR_$(1))/rootfs-overlay)
+       $(call Package/$(1)/install-overlay,$$(IDIR_$(1))/rootfs-overlay)
+       -find $$(IDIR_$(1)) -name 'CVS' -o -name '.svn' -o -name '.#*' -o -name '*~'| $(XARGS) rm -rf
+       @( \
+               find $$(IDIR_$(1)) -name lib\*.so\* -or -name \*.ko | awk -F/ '{ print $$$$NF }'; \
+               for file in $$(patsubst %,$(PKG_INFO_DIR)/%.provides,$$(IDEPEND_$(1))); do \
+                       if [ -f "$$$$file" ]; then \
+                               cat $$$$file; \
+                       fi; \
+               done; $(Package/$(1)/extra_provides) \
+       ) | sort -u > $(PKG_INFO_DIR)/$(1).provides
+       $(if $(PROVIDES),@for pkg in $(PROVIDES); do cp $(PKG_INFO_DIR)/$(1).provides $(PKG_INFO_DIR)/$$$$pkg.provides; done)
+       $(CheckDependencies)
+
+       $(RSTRIP) $$(IDIR_$(1))
        (cd $$(IDIR_$(1))/CONTROL; \
+               ( \
+                       echo "$$$$CONTROL"; \
+                       printf "Description: "; echo "$$$$DESCRIPTION" | sed -e 's,^[[:space:]]*, ,g'; \
+               ) > control; \
+               chmod 644 control; \
+               ( \
+                       echo "#!/bin/sh"; \
+                       echo "[ \"\$$$${IPKG_NO_SCRIPT}\" = \"1\" ] && exit 0"; \
+                       echo ". \$$$${IPKG_INSTROOT}/lib/functions.sh"; \
+                       echo "default_postinst \$$$$0 \$$$$@"; \
+               ) > postinst; \
+               ( \
+                       echo "#!/bin/sh"; \
+                       echo ". \$$$${IPKG_INSTROOT}/lib/functions.sh"; \
+                       echo "default_prerm \$$$$0 \$$$$@"; \
+               ) > prerm; \
+               chmod 0755 postinst prerm; \
                $($(1)_COMMANDS) \
        )
 
-    $$(IPKG_$(1)): $(PKG_BUILD_DIR)/.built $$(IDIR_$(1))/CONTROL/control
-       $(call Package/$(1)/install,$$(IDIR_$(1)))
-       mkdir -p $(PACKAGE_DIR)
-       -find $$(IDIR_$(1)) -name 'CVS' -o -name '.svn' -o -name '.#*' | $(XARGS) rm -rf
-       $(RSTRIP) $$(IDIR_$(1))
-       $(IPKG_BUILD) $$(IDIR_$(1)) $(PACKAGE_DIR)
-       @[ -f $$(IPKG_$(1)) ] || false 
+    ifneq ($$(KEEP_$(1)),)
+               @( \
+                       keepfiles=""; \
+                       for x in $$(KEEP_$(1)); do \
+                               [ -f "$$(IDIR_$(1))/$$$$x" ] || keepfiles="$$$${keepfiles:+$$$$keepfiles }$$$$x"; \
+                       done; \
+                       [ -z "$$$$keepfiles" ] || { \
+                               mkdir -p $$(IDIR_$(1))/lib/upgrade/keep.d; \
+                               for x in $$$$keepfiles; do echo $$$$x >> $$(IDIR_$(1))/lib/upgrade/keep.d/$(1); done; \
+                       }; \
+               )
+    endif
 
-    $$(INFO_$(1)): $$(IPKG_$(1))
-       $(IPKG) install $$(IPKG_$(1))
+       $(INSTALL_DIR) $$(PDIR_$(1))
+       $(IPKG_BUILD) $$(IDIR_$(1)) $$(PDIR_$(1))
+       @[ -f $$(IPKG_$(1)) ]
 
     $(1)-clean:
-       rm -f $(PACKAGE_DIR)/$(1)_*
+       $$(if $$(call opkg_package_files,$(1)),rm -f $$(call opkg_package_files,$(1)))
 
     clean: $(1)-clean
 
-    $(PKG_BUILD_DIR)/.version-$(1)_$(VERSION)_$(PKGARCH): $(STAMP_PREPARED)
-       -@rm -f $(PKG_BUILD_DIR)/.version-$(1)_* 2>/dev/null
-       @touch $$@
-
-    $$(eval $$(call Build/DefaultTargets,$(1)))
-
   endef
 endif