From 231c14702cd42400a9dcbda20e8173e1ce9d75bd Mon Sep 17 00:00:00 2001 From: Evan Lloyd Date: Wed, 2 Dec 2015 18:17:37 +0000 Subject: Make:Remove calls to shell from makefiles. As an initial stage of making Trusted Firmware build environment more portable, we remove most uses of the $(shell ) function and replace them with more portable make function based solutions. Note that the setting of BUILD_STRING still uses $(shell ) since it's not possible to reimplement this as a make function. Avoiding invocation of this on incompatible host platforms will be implemented separately. Change-Id: I768e2f9a265c78814a4adf2edee4cc46cda0f5b8 --- make_helpers/plat_helpers.mk | 62 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 make_helpers/plat_helpers.mk (limited to 'make_helpers/plat_helpers.mk') diff --git a/make_helpers/plat_helpers.mk b/make_helpers/plat_helpers.mk new file mode 100644 index 00000000..85ba84fe --- /dev/null +++ b/make_helpers/plat_helpers.mk @@ -0,0 +1,62 @@ +# +# Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# Redistributions of source code must retain the above copyright notice, this +# list of conditions and the following disclaimer. +# +# Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# Neither the name of ARM nor the names of its contributors may be used +# to endorse or promote products derived from this software without specific +# prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# + +################################################################################ +# Helpers for finding and referencing platform directories +################################################################################ + +ifndef PLAT_HELPERS_MK + PLAT_HELPERS_MK := $(lastword $(MAKEFILE_LIST)) + + ifeq (${PLAT},) + $(error "Error: Unknown platform. Please use PLAT= to specify the platform") + endif + + # PLATFORM_ROOT can be overridden for when building tools directly + PLATFORM_ROOT ?= plat/ + PLAT_MAKEFILE := platform.mk + + # Generate the platforms list by recursively searching for all directories + # under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` + # char and strip out the final '|'. + ALL_PLATFORM_MK_FILES := $(call rwildcard,${PLATFORM_ROOT},${PLAT_MAKEFILE}) + ALL_PLATFORM_DIRS := $(patsubst %/,%,$(dir ${ALL_PLATFORM_MK_FILES})) + ALL_PLATFORMS := $(sort $(notdir ${ALL_PLATFORM_DIRS})) + + PLAT_MAKEFILE_FULL := $(filter %/${PLAT}/${PLAT_MAKEFILE},${ALL_PLATFORM_MK_FILES}) + PLATFORM_LIST := $(subst ${space},|,${ALL_PLATFORMS}) + ifeq ($(PLAT_MAKEFILE_FULL),) + $(error "Error: Invalid platform. The following platforms are available: ${PLATFORM_LIST}") + endif + + # Record the directory where the platform make file was found. + PLAT_DIR := $(dir ${PLAT_MAKEFILE_FULL}) + +endif -- cgit v1.2.3