diff options
Diffstat (limited to 'pvr-source/eurasiacon/build/linux2/toplevel.mk')
| -rw-r--r-- | pvr-source/eurasiacon/build/linux2/toplevel.mk | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/pvr-source/eurasiacon/build/linux2/toplevel.mk b/pvr-source/eurasiacon/build/linux2/toplevel.mk new file mode 100644 index 0000000..26b1198 --- /dev/null +++ b/pvr-source/eurasiacon/build/linux2/toplevel.mk @@ -0,0 +1,226 @@ +########################################################################### ### +#@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +#@License Dual MIT/GPLv2 +# +# The contents of this file are subject to the MIT license as set out below. +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# Alternatively, the contents of this file may be used under the terms of +# the GNU General Public License Version 2 ("GPL") in which case the provisions +# of GPL are applicable instead of those above. +# +# If you wish to allow use of your version of this file only under the terms of +# GPL, and not to allow others to use your version of this file under the terms +# of the MIT license, indicate your decision by deleting the provisions above +# and replace them with the notice and other provisions required by GPL as set +# out in the file called "GPL-COPYING" included in this distribution. If you do +# not delete the provisions above, a recipient may use your version of this file +# under the terms of either the MIT license or GPL. +# +# This License is also included in this distribution in the file called +# "MIT-COPYING". +# +# EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS +# PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +# PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR +# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +### ########################################################################### + +# Define the default goal. This masks a previous definition of the default +# goal in Makefile.config, which must match this one +.PHONY: build +build: components kbuild + +ifeq ($(OUT),) +$(error "Must specify output directory with OUT=") +endif + +ifeq ($(TOP),) +$(error "Must specify root of source tree with TOP=") +endif +$(call directory-must-exist,$(TOP)) + +# Output directory for configuration, object code, +# final programs/libraries, and install/rc scripts. +# + +# RELATIVE_OUT is relative only if it's under $(TOP) +RELATIVE_OUT := $(patsubst $(TOP)/%,%,$(OUT)) +HOST_OUT := $(RELATIVE_OUT)/host +TARGET_OUT := $(RELATIVE_OUT)/target +CONFIG_MK := $(RELATIVE_OUT)/config.mk +CONFIG_H := $(RELATIVE_OUT)/config.h +CONFIG_KERNEL_MK := $(RELATIVE_OUT)/config_kernel.mk +CONFIG_KERNEL_H := $(RELATIVE_OUT)/config_kernel.h +MAKE_TOP := eurasiacon/build/linux2 +THIS_MAKEFILE := (top-level makefiles) + +# Convert commas to spaces in $(D). This is so you can say "make +# D=config-changes,freeze-config" and have $(filter config-changes,$(D)) +# still work. +comma := , +empty := +space := $(empty) $(empty) +override D := $(subst $(comma),$(space),$(D)) + +include $(MAKE_TOP)/defs.mk + +ifneq ($(INTERNAL_CLOBBER_ONLY),true) +# Create the out directory +# +$(shell mkdir -p $(OUT)) + +# Provide rules to create $(HOST_OUT) and $(TARGET_OUT) +.SECONDARY: $(HOST_OUT) $(TARGET_OUT) +$(HOST_OUT) $(TARGET_OUT): + $(make-directory) + +# If these generated files differ from any pre-existing ones, +# replace them, causing affected parts of the driver to rebuild. +# +_want_config_diff := $(filter config-changes,$(D)) +_freeze_config := $(strip $(filter freeze-config,$(D))) +_updated_config_files := $(shell \ + $(if $(_want_config_diff),rm -f $(OUT)/config.diff;,) \ + for file in $(CONFIG_MK) $(CONFIG_H) \ + $(CONFIG_KERNEL_MK) $(CONFIG_KERNEL_H); do \ + diff -U 0 $$file $$file.new \ + >>$(if $(_want_config_diff),$(OUT)/config.diff,/dev/null) 2>/dev/null \ + && rm -f $$file.new \ + || echo $$file; \ + done) + +ifneq ($(_want_config_diff),) +# We send the diff to stderr so it isn't captured by $(shell) +$(shell [ -s $(OUT)/config.diff ] && echo >&2 "Configuration changed in $(RELATIVE_OUT):" && cat >&2 $(OUT)/config.diff) +endif + +ifneq ($(_freeze_config),) +$(if $(_updated_config_files),$(error Configuration change in $(RELATIVE_OUT) prevented by D=freeze-config),) +endif + +# Update the config, if changed +$(foreach _f,$(_updated_config_files), \ + $(shell mv -f $(_f).new $(_f) >/dev/null 2>/dev/null)) + +endif # INTERNAL_CLOBBER_ONLY + +MAKEFLAGS := -Rr --no-print-directory + +ifneq ($(INTERNAL_CLOBBER_ONLY),true) + +# This is so you can say "find $(TOP) -name Linux.mk > /tmp/something; export +# ALL_MAKEFILES=/tmp/something; make" and avoid having to run find. This is +# handy if your source tree is mounted over NFS or something +override ALL_MAKEFILES := $(call relative-to-top,$(if $(strip $(ALL_MAKEFILES)),$(shell cat $(ALL_MAKEFILES)),$(shell find $(TOP) -type f -name Linux.mk -print -o -type d -name '.*' -prune))) +ifeq ($(strip $(ALL_MAKEFILES)),) +$(info ** Unable to find any Linux.mk files under $$(TOP). This could mean that) +$(info ** there are no makefiles, or that ALL_MAKEFILES is set in the environment) +$(info ** and points to a nonexistent or empty file.) +$(error No makefiles) +endif + +else # clobber-only +ALL_MAKEFILES := +endif + +unexport ALL_MAKEFILES + +REMAINING_MAKEFILES := $(ALL_MAKEFILES) +ALL_MODULES := +INTERNAL_INCLUDED_ALL_MAKEFILES := + +ifneq ($(INTERNAL_CLOBBER_ONLY),true) +# Please do not change the format of the following lines +-include $(CONFIG_KERNEL_MK) +# These files may not exist in GPL km source packages +-include $(MAKE_TOP)/xorgconf.mk +-include $(MAKE_TOP)/llvm.mk +endif + +include $(MAKE_TOP)/commands.mk +include $(MAKE_TOP)/buildvars.mk + +HOST_INTERMEDIATES := $(HOST_OUT)/intermediates +TARGET_INTERMEDIATES := $(TARGET_OUT)/intermediates + +# Include each Linux.mk, then include modules.mk to save some information +# about each module +include $(foreach _Linux.mk,$(ALL_MAKEFILES),$(MAKE_TOP)/this_makefile.mk $(_Linux.mk) $(MAKE_TOP)/modules.mk) + +ifeq ($(strip $(REMAINING_MAKEFILES)),) +INTERNAL_INCLUDED_ALL_MAKEFILES := true +else +$(error Impossible: $(words $(REMAINING_MAKEFILES)) makefiles were mysteriously ignored when reading $$(ALL_MAKEFILES)) +endif + +# At this point, all Linux.mks have been included. Now generate rules to build +# each module: for each module in $(ALL_MODULES), set per-makefile variables +$(foreach _m,$(ALL_MODULES),$(eval $(call process-module,$(_m)))) + +.PHONY: kbuild install +kbuild install: + +ifneq ($(INTERNAL_CLOBBER_ONLY),true) +-include $(MAKE_TOP)/scripts.mk +-include $(MAKE_TOP)/kbuild/kbuild.mk +else +# We won't depend on 'build' here so that people can build subsets of +# components and still have the install script attempt to install the +# subset. +install: + @if [ ! -d "$(DISCIMAGE)" ]; then \ + echo; \ + echo "** DISCIMAGE was not set or does not point to a valid directory."; \ + echo "** Cannot continue with install."; \ + echo; \ + exit 1; \ + fi + @if [ ! -f $(TARGET_OUT)/install.sh ]; then \ + echo; \ + echo "** install.sh not found in $(TARGET_OUT)."; \ + echo "** Cannot continue with install."; \ + echo; \ + exit 1; \ + fi + @cd $(TARGET_OUT) && ./install.sh +endif + +# You can say 'make all_modules' to attempt to make everything, or 'make +# components' to only make the things which are listed (in the per-build +# makefiles) as components of the build. +.PHONY: all_modules components +all_modules: $(ALL_MODULES) +components: $(COMPONENTS) + +# Cleaning +.PHONY: clean clobber +clean: MODULE_DIRS_TO_REMOVE := $(OUT)/host/intermediates $(OUT)/target/intermediates $(OUT)/target/kbuild +clean: + $(clean-dirs) +clobber: MODULE_DIRS_TO_REMOVE := $(OUT) +clobber: + $(clean-dirs) + +# Saying 'make clean-MODULE' removes the intermediates for MODULE. +# clobber-MODULE deletes the output files as well +clean-%: + $(if $(V),,@echo " RM " $(call relative-to-top,$(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$*)) + $(RM) -rf $(OUT)/host/intermediates/$*/* $(OUT)/target/intermediates/$*/* +clobber-%: + $(if $(V),,@echo " RM " $(call relative-to-top,$(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$* $(INTERNAL_TARGETS_FOR_$*))) + $(RM) -rf $(OUT)/host/intermediates/$* $(OUT)/target/intermediates/$* $(INTERNAL_TARGETS_FOR_$*) + +include $(MAKE_TOP)/bits.mk |