initial buildroot for linux 5.15

package/pkg-download.mk

@@ -0,0 +1,125 @@
+################################################################################
+#
+# This file contains the download helpers for the various package
+# infrastructures. It is used to handle downloads from HTTP servers,
+# FTP servers, Git repositories, Subversion repositories, Mercurial
+# repositories, Bazaar repositories, and SCP servers.
+#
+################################################################################
+
+# Download method commands
+export WGET := $(call qstrip,$(BR2_WGET))
+export SVN := $(call qstrip,$(BR2_SVN))
+export CVS := $(call qstrip,$(BR2_CVS))
+export BZR := $(call qstrip,$(BR2_BZR))
+export GIT := $(call qstrip,$(BR2_GIT))
+export HG := $(call qstrip,$(BR2_HG))
+export SCP := $(call qstrip,$(BR2_SCP))
+export LOCALFILES := $(call qstrip,$(BR2_LOCALFILES))
+
+# Version of the format of the archives we generate in the corresponding
+# download backend:
+BR_FMT_VERSION_git = -br1
+BR_FMT_VERSION_svn = -br2
+
+DL_WRAPPER = support/download/dl-wrapper
+
+# DL_DIR may have been set already from the environment
+ifeq ($(origin DL_DIR),undefined)
+DL_DIR ?= $(call qstrip,$(BR2_DL_DIR))
+ifeq ($(DL_DIR),)
+DL_DIR := $(TOPDIR)/dl
+endif
+else
+# Restore the BR2_DL_DIR that was overridden by the .config file
+BR2_DL_DIR = $(DL_DIR)
+endif
+
+# ensure it exists and a absolute path, derefrecing symlinks
+DL_DIR := $(shell mkdir -p $(DL_DIR) && cd $(DL_DIR) >/dev/null && pwd -P)
+
+#
+# URI scheme helper functions
+# Example URIs:
+# * http://www.example.com/dir/file
+# * scp://www.example.com:dir/file (with domainseparator :)
+#
+# geturischeme: http
+geturischeme = $(firstword $(subst ://, ,$(call qstrip,$(1))))
+# getschemeplusuri: git|parameter+http://example.com
+getschemeplusuri = $(call geturischeme,$(1))$(if $(2),\|$(2))+$(1)
+# stripurischeme: www.example.com/dir/file
+stripurischeme = $(lastword $(subst ://, ,$(call qstrip,$(1))))
+# domain: www.example.com
+domain = $(firstword $(subst $(call domainseparator,$(2)), ,$(call stripurischeme,$(1))))
+# notdomain: dir/file
+notdomain = $(patsubst $(call domain,$(1),$(2))$(call domainseparator,$(2))%,%,$(call stripurischeme,$(1)))
+#
+# default domainseparator is /, specify alternative value as first argument
+domainseparator = $(if $(1),$(1),/)
+
+# github(user,package,version): returns site of GitHub repository
+github = https://github.com/$(1)/$(2)/archive/$(3)
+
+# gitlab(user,package,version): returns site of Gitlab-generated tarball
+gitlab = https://gitlab.com/$(1)/$(2)/-/archive/$(3)
+
+# Expressly do not check hashes for those files
+# Exported variables default to immediately expanded in some versions of
+# make, but we need it to be recursively-epxanded, so explicitly assign it.
+export BR_NO_CHECK_HASH_FOR =
+
+################################################################################
+# DOWNLOAD_URIS - List the candidates URIs where to get the package from:
+# 1) BR2_PRIMARY_SITE if enabled
+# 2) Download site, unless BR2_PRIMARY_SITE_ONLY is set
+# 3) BR2_BACKUP_SITE if enabled, unless BR2_PRIMARY_SITE_ONLY is set
+#
+# Argument 1 is the source location
+# Argument 2 is the upper-case package name
+#
+################################################################################
+
+ifneq ($(call qstrip,$(BR2_PRIMARY_SITE)),)
+DOWNLOAD_URIS += \
+	$(call getschemeplusuri,$(call qstrip,$(BR2_PRIMARY_SITE)/$($(2)_DL_SUBDIR)),urlencode) \
+	$(call getschemeplusuri,$(call qstrip,$(BR2_PRIMARY_SITE)),urlencode)
+endif
+
+ifeq ($(BR2_PRIMARY_SITE_ONLY),)
+DOWNLOAD_URIS += \
+	$(patsubst %/,%,$(dir $(call qstrip,$(1))))
+ifneq ($(call qstrip,$(BR2_BACKUP_SITE)),)
+DOWNLOAD_URIS += \
+	$(call getschemeplusuri,$(call qstrip,$(BR2_BACKUP_SITE)/$($(2)_DL_SUBDIR)),urlencode) \
+	$(call getschemeplusuri,$(call qstrip,$(BR2_BACKUP_SITE)),urlencode)
+endif
+endif
+
+################################################################################
+# DOWNLOAD -- Download helper. Will call DL_WRAPPER which will try to download
+# source from the list returned by DOWNLOAD_URIS.
+#
+# Argument 1 is the source location
+# Argument 2 is the upper-case package name
+#
+################################################################################
+
+define DOWNLOAD
+	$(Q)mkdir -p $($(2)_DL_DIR)
+	$(Q)$(EXTRA_ENV) $($(2)_DL_ENV) \
+		flock $($(2)_DL_DIR)/.lock $(DL_WRAPPER) \
+		-c '$($(2)_DL_VERSION)' \
+		-d '$($(2)_DL_DIR)' \
+		-D '$(DL_DIR)' \
+		-f '$(notdir $(1))' \
+		-H '$($(2)_HASH_FILE)' \
+		-n '$($(2)_BASENAME_RAW)' \
+		-N '$($(2)_RAWNAME)' \
+		-o '$($(2)_DL_DIR)/$(notdir $(1))' \
+		$(if $($(2)_GIT_SUBMODULES),-r) \
+		$(foreach uri,$(call DOWNLOAD_URIS,$(1),$(2)),-u $(uri)) \
+		$(QUIET) \
+		-- \
+		$($(2)_DL_OPTS)
+endef