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build system: introduce a new feature called build variants.

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it allows building a package multiple times in one pass with different build dirs,
based on the same build settings.
replaces templating hacks like the one used in the hostapd package

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18357 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-11-10 22:00:54 +00:00
parent 3b3a36db38
commit bc624321e8
5 changed files with 10 additions and 2 deletions
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1
include/package-defaults.mk
View File

@ -37,6 +37,7 @@ define Package/Default
KCONFIG:=
BUILDONLY:=
URL:=
VARIANT:=
endef
Build/Patch:=$(Build/Patch/Default)

3
include/package-dumpinfo.mk
View File

@ -32,7 +32,8 @@ $(if $(MENU),Menu: $(MENU)
)Version: $(VERSION)
Depends: $(DEPENDS)
Provides: $(PROVIDES)
$(if $(PKG_BUILD_DEPENDS),Build-Depends: $(PKG_BUILD_DEPENDS)
$(if $(VARIANT),Build-Variant: $(VARIANT)
)$(if $(PKG_BUILD_DEPENDS),Build-Depends: $(PKG_BUILD_DEPENDS)
)$(if $(HOST_BUILD_DEPENDS),Build-Depends/host: $(HOST_BUILD_DEPENDS)
)$(if $(BUILD_TYPES),Build-Types: $(BUILD_TYPES)
)Section: $(SECTION)

4
include/subdir.mk
View File

@ -35,7 +35,9 @@ define subdir
)
$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
$(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd))
+$(if $(BUILD_LOG),set -o pipefail;) $$(SUBMAKE) -C $(1)/$(bd) $(target) $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)/$(bd)/$(target).txt) $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call MESSAGE, ERROR: $(1)/$(bd) failed to build.))
$(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $($(1)/$(bd)/variants),$($(1)/$(bd)/variants),__default)),
+$(if $(BUILD_LOG),set -o pipefail;) $$(SUBMAKE) -C $(1)/$(bd) $(target) BUILD_VARIANT="$(filter-out __default,$(variant))" $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)/$(bd)/$(target).txt) $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call MESSAGE, ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).))
)
$$(if $(call debug,$(1)/$(bd),v),,.SILENT: $(1)/$(bd)/$(target))
# legacy targets

3
scripts/metadata.pl
View File

@ -620,6 +620,9 @@ sub gen_package_mk() {
if ($config) {
$pkg->{buildonly} and $config = "";
print "package-$config += $pkg->{subdir}$pkg->{src}\n";
if ($pkg->{variant}) {
print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
}
$pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
}

1
scripts/metadata.pm
View File

@ -112,6 +112,7 @@ sub parse_package_metadata($) {
}
};
/^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
/^Build-Variant: \s*(\w+)\s*/ and $pkg->{variant} = $1;
/^Build-Only: \s*(.+)\s*$/ and $pkg->{buildonly} = 1;
/^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
/^Build-Depends\/(\w+): \s*(.+)\s*$/ and $pkg->{"builddepends/$1"} = [ split /\s+/, $2 ];