build: Add a haiku_source package.

This contains the contents of Haiku's sources, which is necessary
to include in "with source" builds for proper (L)GPL compliance,
mostly because we have GPL code in the tree.

build/jam/HaikuPackages

@@ -3,6 +3,7 @@
 local packages = [ FFilterByBuildFeatures
 	HaikuDevel
 	HaikuLoader
+	HaikuSource
 	HaikuUserguide
 	HaikuWelcome
 	MakefileEngine

build/jam/OptionalPackages

@@ -19,6 +19,17 @@ OptionalPackageDependencies DevelopmentPowerPC : DevelopmentMin ;
 OptionalPackageDependencies NetFS : UserlandFS ;
 
 
+# Haiku sources
+if $(HAIKU_INCLUDE_SOURCES) = 1 {
+	AddPackageFilesToHaikuImage system
+		:
+		haiku_source.hpkg
+		:
+		nameFromMetaInfo
+		;
+}
+
+
 # BeBook
 if [ IsOptionalHaikuImagePackageAdded BeBook ] {
 	AddHaikuImagePackages be_book ;

build/jam/packages/HaikuSource

@@ -0,0 +1,14 @@
+local haikuSourcePackage = haiku_source.hpkg ;
+HaikuPackage $(haikuSourcePackage) ;
+
+CopyDirectoryToPackage sources haiku : [ FDirName $(HAIKU_TOP) src ]
+	: src ;
+CopyDirectoryToPackage sources haiku : [ FDirName $(HAIKU_TOP) headers ]
+	: headers ;
+CopyDirectoryToPackage sources haiku : [ FDirName $(HAIKU_TOP) build ]
+	: build ;
+SEARCH on configure = [ FDirName $(HAIKU_TOP) ] ;
+SEARCH on Jamfile = [ FDirName $(HAIKU_TOP) ] ;
+AddFilesToPackage sources haiku : configure Jamfile Jamrules ;
+
+BuildHaikuPackage $(haikuSourcePackage) : haiku_source ;

build/jam/repositories/Haiku

@@ -19,6 +19,7 @@ local packages = [ FFilterByBuildFeatures
 
 if $(HAIKU_IS_BOOTSTRAP) != 1 {
 	packages += [ FFilterByBuildFeatures
+		haiku_source
 		haiku_userguide_ca
 		haiku_userguide_de
 		haiku_userguide_en