Update autobuild scripts

Update autobuild scripts with reworked version that fixes building
outside of the source tree.

Bug-AGL: SPEC-2049, SPEC-3300

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I3c56d98d1a8279f468f3389ede9356a9faff1cdc

1 files changed, 88 insertions, 25 deletions

diff --git a/autobuild/agl/autobuild b/autobuild/agl/autobuild
index b306eb0..16181b8 100755
--- a/autobuild/agl/autobuild
+++ b/autobuild/agl/autobuild
@@ -1,5 +1,6 @@
 #!/usr/bin/make -f
 # Copyright (C) 2015 - 2018 "IoT.bzh"
+# Copyright (C) 2020 Konsulko Group
 # Author "Romain Forlot" <romain.forlot@iot.bzh>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -15,51 +16,113 @@
 # limitations under the License.
 
 THISFILE  := $(lastword $(MAKEFILE_LIST))
-BUILD_DIR := $(abspath $(dir $(THISFILE))/../../build)
-DEST      := ${BUILD_DIR}
+ROOT_DIR := $(abspath $(dir $(THISFILE))/../..)
 
-.PHONY: all clean distclean configure build package help update
+# Build directories
+# Note that the debug/test/coverage directories are defined in relation
+# to the release directory (BUILD_DIR), this needs to be kept in mind
+# if over-riding it and building those widget types, the specific widget
+# type variable (e.g. BUILD_DIR_DEBUG) may also need to be specified
+# to yield the desired output hierarchy.
+BUILD_DIR = $(ROOT_DIR)/build
+BUILD_DIR_DEBUG = $(abspath $(BUILD_DIR)/../build-debug)
+BUILD_DIR_TEST = $(abspath $(BUILD_DIR)/../build-test)
+BUILD_DIR_COVERAGE = $(abspath $(BUILD_DIR)/../build-coverage)
 
-all: help
+# Output directory variable for use in pattern rules.
+# This is intended for internal use only, hence the explicit override
+# definition.
+override OUTPUT_DIR = $(BUILD_DIR)
+
+# Final install directory for widgets
+DEST = $(OUTPUT_DIR)
+
+# Default build type for release/test builds
+BUILD_TYPE = RELEASE
+
+.PHONY: all help update install distclean
+.PHONY: clean clean-release clean-debug clean-test clean-coverage clean-all
+.PHONY: configure configure-release configure-debug configure-test configure-coverage
+.PHONY: build build-release build-debug build-test build-coverage build-all
+.PHONY: package package-release package-debug package-test package-coverage package-all
 
 help:
 	@echo "List of targets available:"
 	@echo ""
 	@echo "- all"
+	@echo "- help"
 	@echo "- clean"
 	@echo "- distclean"
 	@echo "- configure"
 	@echo "- build: compilation, link and prepare files for package into a widget"
 	@echo "- package: output a widget file '*.wgt'"
-	@echo "- install: install in your ${CMAKE_INSTALL_DIR} directory"
+	@echo "- install: install in your $(CMAKE_INSTALL_DIR) directory"
 	@echo ""
 	@echo "Usage: ./autobuild/agl/autobuild package DEST=${HOME}/opt"
 	@echo "Don't use your build dir as DEST as wgt file is generated at this location"
 
-clean:
-	@([ -d ${BUILD_DIR} ] && make -C ${BUILD_DIR} ${CLEAN_ARGS} clean) || echo Nothing to clean
+all: package-all
 
-distclean:
-	@rm -rf ${BUILD_DIR}
+# Target specific variable over-rides so static pattern rules can be
+# used for the various type-specific targets.
 
-configure:
-	@[ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}
-	@[ -f ${BUILD_DIR}/Makefile ] || (cd ${BUILD_DIR} && cmake ${CONFIGURE_ARGS} ..)
+configure-test build-test package-test clean-test: OUTPUT_DIR = $(BUILD_DIR_TEST)
 
-build: configure
-	@cmake --build ${BUILD_DIR} ${BUILD_ARGS} --target all
+configure-coverage build-coverage package-coverage clean-coverage: OUTPUT_DIR = $(BUILD_DIR_COVERAGE)
+configure-coverage build-coverage package-coverage: BUILD_TYPE = COVERAGE
 
-package: build
-	@mkdir -p ${BUILD_DIR}/$@/bin
-	@mkdir -p ${BUILD_DIR}/$@/etc
-	@mkdir -p ${BUILD_DIR}/$@/lib
-	@mkdir -p ${BUILD_DIR}/$@/htdocs
-	@mkdir -p ${BUILD_DIR}/$@/var
-	@cmake --build ${BUILD_DIR} ${PACKAGE_ARGS} --target widget
-	@if [ "${DEST}" != "${BUILD_DIR}" ]; then \
-		mkdir -p ${DEST} && cp ${BUILD_DIR}/*.wgt ${DEST}; \
+configure-debug build-debug package-debug clean-debug: OUTPUT_DIR = $(BUILD_DIR_DEBUG)
+configure-debug build-debug package-debug: BUILD_TYPE = DEBUG
+
+clean-release clean-test clean-debug clean-coverage:
+	@if [ -d $(OUTPUT_DIR) ]; then \
+		$(MAKE) -C $(OUTPUT_DIR) $(CLEAN_ARGS) clean; \
+	else \
+		echo Nothing to clean; \
 	fi
 
-install: build
-	@cmake --build ${BUILD_DIR} ${INSTALL_ARGS} --target install
+clean: clean-release
+
+clean-all: clean-release clean-test clean-debug clean-coverage
+
+distclean: clean-all
+
+configure-release configure-test configure-debug configure-coverage:
+	@mkdir -p $(OUTPUT_DIR)
+	@if [ ! -f $(OUTPUT_DIR)/Makefile ]; then \
+		(cd $(OUTPUT_DIR) && cmake -S $(ROOT_DIR) -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) $(CONFIGURE_ARGS)); \
+	fi
+
+configure: configure-release
+
+build-release build-debug build-coverage: build-%: configure-%
+	@cmake --build $(OUTPUT_DIR) $(BUILD_ARGS) --target all
 
+# Kept for consistency, empty to avoid building everything for test widget
+build-test: configure-test
+
+build: build-release
+
+build-all: build-release build-debug build-test build-coverage
+
+package-release package-debug package-coverage: package-%: build-%
+	@cmake --build $(OUTPUT_DIR) $(PACKAGE_ARGS) --target widget
+	@if [ "$(abspath $(DEST))" != "$(abspath $(OUTPUT_DIR))" ]; then \
+		mkdir -p $(DEST) && cp $(OUTPUT_DIR)/*.wgt $(DEST); \
+	fi
+
+package-test: build-test
+	@cmake --build $(OUTPUT_DIR) $(PACKAGE_ARGS) --target test_widget
+	@if [ "$(abspath $(DEST))" != "$(abspath $(OUTPUT_DIR))" ]; then \
+		mkdir -p $(DEST) && cp $(OUTPUT_DIR)/*.wgt $(DEST); \
+	fi
+
+package: package-release
+
+package-all: package-release package-test package-coverage package-debug
+
+update: configure
+	@cmake --build $(BUILD_DIR) --target autobuild
+
+install: build
+	@cmake --build $(BUILD_DIR) $(INSTALL_ARGS) --target install