1 files changed, 150 insertions, 0 deletions
diff --git a/build/external/packages.mk b/build/external/packages.mk
new file mode 100644
index 00000000000..4056b2f63b5
--- /dev/null
+++ b/build/external/packages.mk
@@ -0,0 +1,150 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+define h1
+	@echo "--- $(1)"
+endef
+
+define package
+$1_tarball_strip_dirs ?= 0
+$1_src_dir ?= $(B)/src-$1
+$1_patch_dir ?= $(CURDIR)/patches/$1_$($1_version)
+$1_build_dir ?= $(B)/build-$1
+$1_install_dir ?= $(I)
+$1_config_log ?= $(B)/$1.config.log
+$1_build_log ?= $(B)/$1.build.log
+$1_install_log ?= $(B)/$1.install.log
+
+##############################################################################
+# Download
+##############################################################################
+downloads/$($1_tarball):
+	mkdir -p downloads
+	@if [ -e $(DL_CACHE_DIR)/$($1_tarball) ] ; \
+		then cp $(DL_CACHE_DIR)/$($1_tarball) downloads/ ; \
+	else \
+		echo "Downloading $($1_url)" ; \
+		curl -o downloads/$($1_tarball) -LO $($1_url) ; \
+	fi
+	@rm -f $(B)/.download.ok
+
+$(B)/.$1.download.ok: downloads/$($1_tarball)
+	@mkdir -p $(B)
+	$$(call h1,"validating $1 $($1_version) checksum")
+	@SUM=$$(shell openssl md5 $$< | cut -f 2 -d " " -) ; \
+	([ "$$$${SUM}" = "$($1_tarball_md5sum)" ] || \
+	( echo "==========================================================" && \
+	  echo "Bad Checksum!" && \
+	  echo "Expected:   $($1_tarball_md5sum)" && \
+	  echo "Calculated: $$$${SUM}" && \
+	  echo "Please remove $$< and retry" && \
+	  echo "==========================================================" && \
+	  false ))
+	@touch $$@
+
+.PHONY: $1-download
+$1-download: $(B)/.$1.download.ok
+
+##############################################################################
+# Extract
+##############################################################################
+$(B)/.$1.extract.ok: $(B)/.$1.download.ok
+	$$(call h1,"extracting $1 $($1_version)")
+	@mkdir -p $$($1_src_dir)
+	@tar \
+	  --directory $$($1_src_dir) \
+	  --extract \
+	  --strip-components=$$($1_tarball_strip_dirs) \
+	  --file downloads/$($1_tarball)
+	@touch $$@
+
+.PHONY: $1-extract
+$1-extract: $(B)/.$1.extract.ok
+
+##############################################################################
+# Patch
+##############################################################################
+$(B)/.$1.patch.ok: $(B)/.$1.extract.ok
+	$$(call h1,"patching $1 $($1_version)")
+ifneq ($$(wildcard $$($1_patch_dir)/*.patch),)
+	@for f in $$($1_patch_dir)/*.patch ; do \
+		echo "Applying patch: $$$$(basename $$$$f)" ; \
+		patch -p1 -d $$($1_src_dir) < $$$$f ; \
+	done
+endif
+	@touch $$@
+
+.PHONY: $1-patch
+$1-patch: $(B)/.$1.patch.ok
+
+##############################################################################
+# Config
+##############################################################################
+
+ifeq ($$(call $1_config_cmds),)
+define $1_config_cmds
+	@cd $$($1_build_dir) && \
+	  CFLAGS="$$($1_cflags)" \
+	  $$($1_src_dir)/configure \
+	    --prefix=$$($1_install_dir) \
+	    $$($1_configure_args) > $$($1_config_log)
+endef
+endif
+
+$(B)/.$1.config.ok: $(B)/.$1.patch.ok $(addsuffix -install,$($1_depends))
+	$$(call h1,"configuring $1 $($1_version) - log: $$($1_config_log)")
+	@mkdir -p $$($1_build_dir)
+	$$(call $1_config_cmds)
+	@touch $$@
+
+.PHONY: $1-config
+$1-config: $(B)/.$1.config.ok
+
+##############################################################################
+# Build
+##############################################################################
+
+ifeq ($$(call $1_build_cmds),)
+define $1_build_cmds
+	@$(MAKE) $(MAKE_ARGS) -C $$($1_build_dir) > $$($1_build_log)
+endef
+endif
+
+$(B)/.$1.build.ok: $(B)/.$1.config.ok
+	$$(call h1,"building $1 $($1_version) - log: $$($1_build_log)")
+	$$(call $1_build_cmds)
+	@touch $$@
+
+.PHONY: $1-build
+$1-build: $(B)/.$1.build.ok
+
+##############################################################################
+# Install
+##############################################################################
+
+ifeq ($$(call $1_install_cmds),)
+define $1_install_cmds
+	@$(MAKE) $(MAKE_ARGS) -C $$($1_build_dir) install > $$($1_install_log)
+endef
+endif
+
+$(B)/.$1.install.ok: $(B)/.$1.build.ok
+	$$(call h1,"installing $1 $($1_version) - log: $$($1_install_log)")
+	$$(call $1_install_cmds)
+	@touch $$@
+
+.PHONY: $1-install
+$1-install: $(B)/.$1.install.ok
+
+ALL_TARGETS += $1-install
+endef