Makefile.hostTools

# --------------------------------------------------------------------------------------------------
# Makefile used to build the Legato framework development host tools.
#
# Tools build output is placed under $(LEGATO_ROOT)/build/tools
#
# The tools get installed in $(LEGATO_ROOT)/bin
#
# This Makefile is intended to run as part of a larger build system.
#
# Copyright (C) Sierra Wireless Inc.
# --------------------------------------------------------------------------------------------------

export LEGATO_ROOT ?= $(CURDIR)

BUILD_DIR := $(LEGATO_ROOT)/build/tools
NINJA_SCRIPT := $(BUILD_DIR)/build.ninja
NINJA_FLAGS =

# Add the framework's bin directory to the PATH environment variable.
export PATH := $(PATH):$(LEGATO_ROOT)/bin

# Do not use clang by default.
USE_CLANG ?= 0

# Do not be verbose by default.
VERBOSE ?= 0
ifeq ($(VERBOSE),1)
  NINJA_FLAGS += -v
endif

export HOST_ARCH := $(shell uname -m)
TOOLS_ARCH ?= $(HOST_ARCH)

# NOTE: Ninja is used to build the mk tools.
.PHONY: tools
tools: ninja $(NINJA_SCRIPT) symlinks mkPatch
	ninja $(NINJA_FLAGS) -f $(NINJA_SCRIPT)

.PHONY: tool-messages
tool-messages: ninja $(NINJA_SCRIPT)
	ninja $(NINJA_FLAGS) -f $(NINJA_SCRIPT) messages

# Generate the ninja build script.
$(NINJA_SCRIPT): framework/tools/mkTools/ninja-generator $(BUILD_DIR)
	export TOOLS_ARCH=$(TOOLS_ARCH) && \
	framework/tools/mkTools/ninja-generator

# ninja is called ninja-build on some distros (e.g., Fedora).  Make sure ninja appears in the
# path as "ninja" by adding a symlink to the framework's bin directory if necessary.
.PHONY: ninja
ninja: bin
	@echo -n "Using ninja installed at: " ;\
	if ! which ninja ;\
	then \
		if which ninja-build ;\
		then \
			ln -s `which ninja-build` $(LEGATO_ROOT)/bin/ninja ;\
		else \
			echo "***ERROR: Ninja build tool not found." 1>&2 ;\
			exit 1;\
		fi;\
	fi

SCRIPTS := $(wildcard framework/tools/scripts/*)

# Create a bunch of symlinks from the bin directory to the tools.
.PHONY: symlinks
symlinks: bin
	ln -sf ../build/tools/mk bin/mk
	ln -sf mk bin/mkcomp
	ln -sf mk bin/mkexe
	ln -sf mk bin/mkapp
	ln -sf mk bin/mksys
	ln -sf $(foreach script,$(SCRIPTS),../$(script)) bin/
	ln -sf $(LEGATO_ROOT)/framework/tools/ifgen/ifgen bin/
	ln -sf $(LEGATO_ROOT)/3rdParty/ima-support-tools/ima-sign.sh bin/
	ln -sf $(LEGATO_ROOT)/3rdParty/ima-support-tools/ima-gen-keys.sh bin/

# Rule for creating directories.
$(BUILD_DIR) bin:
	mkdir -p $@

.PHONY: mkPatch
mkPatch:
	$(MAKE) -C framework/tools/mkPatch mkPatch