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Diffstat (limited to 'pvr-source/eurasiacon/build/linux2/buildvars.mk')
| -rw-r--r-- | pvr-source/eurasiacon/build/linux2/buildvars.mk | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/pvr-source/eurasiacon/build/linux2/buildvars.mk b/pvr-source/eurasiacon/build/linux2/buildvars.mk new file mode 100644 index 0000000..24fa829 --- /dev/null +++ b/pvr-source/eurasiacon/build/linux2/buildvars.mk @@ -0,0 +1,217 @@ +########################################################################### ### +#@Title Define global variables +#@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +#@Description This file is read once at the start of the build, after reading +# in config.mk. It should define the non-MODULE_* variables used +# in commands, like ALL_CFLAGS +#@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. +### ########################################################################### + +ifeq ($(BUILD),debug) +COMMON_USER_FLAGS := -O0 +else +OPTIM ?= -O2 +COMMON_USER_FLAGS := $(OPTIM) +endif + +# FIXME: We should probably audit the driver for aliasing +# +COMMON_USER_FLAGS += -fno-strict-aliasing + +# We always enable debugging. Either the release binaries are stripped +# and the symbols put in the symbolpackage, or we're building debug. +# +COMMON_USER_FLAGS += -g + +# These flags are used for kernel, User C and User C++ +# +COMMON_FLAGS = -W -Wall + +# Some GCC warnings are C only, so we must mask them from C++ +# +COMMON_CFLAGS := $(COMMON_FLAGS) \ + -Wdeclaration-after-statement -Wno-format-zero-length \ + -Wmissing-prototypes -Wstrict-prototypes + +# Additional warnings, and optional warnings. +# +WARNING_CFLAGS := \ + -Wpointer-arith -Wunused-parameter \ + -Wmissing-format-attribute \ + $(call cc-option,-Wno-missing-field-initializers) \ + $(call cc-option,-fdiagnostics-show-option) + +ifeq ($(W),1) +WARNING_CFLAGS += \ + $(call cc-option,-Wbad-function-cast) \ + $(call cc-option,-Wcast-qual) \ + $(call cc-option,-Wcast-align) \ + $(call cc-option,-Wconversion) \ + $(call cc-option,-Wdisabled-optimization) \ + $(call cc-option,-Wlogical-op) \ + $(call cc-option,-Wmissing-declarations) \ + $(call cc-option,-Wmissing-include-dirs) \ + $(call cc-option,-Wnested-externs) \ + $(call cc-option,-Wold-style-definition) \ + $(call cc-option,-Woverlength-strings) \ + $(call cc-option,-Wpacked) \ + $(call cc-option,-Wpacked-bitfield-compat) \ + $(call cc-option,-Wpadded) \ + $(call cc-option,-Wredundant-decls) \ + $(call cc-option,-Wshadow) \ + $(call cc-option,-Wswitch-default) \ + $(call cc-option,-Wvla) \ + $(call cc-option,-Wwrite-strings) +endif + +WARNING_CFLAGS += \ + $(call cc-optional-warning,-Wunused-but-set-variable) + +HOST_WARNING_CFLAGS := \ + -Wpointer-arith -Wunused-parameter \ + -Wmissing-format-attribute \ + $(call host-cc-option,-Wno-missing-field-initializers) \ + $(call host-cc-option,-fdiagnostics-show-option) + +ifeq ($(W),1) +HOST_WARNING_CFLAGS += \ + $(call host-cc-option,-Wbad-function-cast) \ + $(call host-cc-option,-Wcast-qual) \ + $(call host-cc-option,-Wcast-align) \ + $(call host-cc-option,-Wconversion) \ + $(call host-cc-option,-Wdisabled-optimization) \ + $(call host-cc-option,-Wlogical-op) \ + $(call host-cc-option,-Wmissing-declarations) \ + $(call host-cc-option,-Wmissing-include-dirs) \ + $(call host-cc-option,-Wnested-externs) \ + $(call host-cc-option,-Wold-style-definition) \ + $(call host-cc-option,-Woverlength-strings) \ + $(call host-cc-option,-Wpacked) \ + $(call host-cc-option,-Wpacked-bitfield-compat) \ + $(call host-cc-option,-Wpadded) \ + $(call host-cc-option,-Wredundant-decls) \ + $(call host-cc-option,-Wshadow) \ + $(call host-cc-option,-Wswitch-default) \ + $(call host-cc-option,-Wvla) \ + $(call host-cc-option,-Wwrite-strings) +endif + +HOST_WARNING_CFLAGS += \ + $(call host-cc-optional-warning,-Wunused-but-set-variable) + +KBUILD_WARNING_CFLAGS := \ + -Wno-unused-parameter -Wno-sign-compare +KBUILD_WARNING_CFLAGS += \ + $(call kernel-cc-optional-warning,-Wbad-function-cast) \ + $(call kernel-cc-optional-warning,-Wcast-qual) \ + $(call kernel-cc-optional-warning,-Wcast-align) \ + $(call kernel-cc-optional-warning,-Wconversion) \ + $(call kernel-cc-optional-warning,-Wdisabled-optimization) \ + $(call kernel-cc-optional-warning,-Wlogical-op) \ + $(call kernel-cc-optional-warning,-Wmissing-declarations) \ + $(call kernel-cc-optional-warning,-Wmissing-include-dirs) \ + $(call kernel-cc-optional-warning,-Wnested-externs) \ + $(call kernel-cc-optional-warning,-Wno-missing-field-initializers) \ + $(call kernel-cc-optional-warning,-Wold-style-definition) \ + $(call kernel-cc-optional-warning,-Woverlength-strings) \ + $(call kernel-cc-optional-warning,-Wpacked) \ + $(call kernel-cc-optional-warning,-Wpacked-bitfield-compat) \ + $(call kernel-cc-optional-warning,-Wpadded) \ + $(call kernel-cc-optional-warning,-Wredundant-decls) \ + $(call kernel-cc-optional-warning,-Wshadow) \ + $(call kernel-cc-optional-warning,-Wswitch-default) \ + $(call kernel-cc-optional-warning,-Wvla) \ + $(call kernel-cc-optional-warning,-Wwrite-strings) + +# User C only +# +ALL_CFLAGS := \ + $(COMMON_USER_FLAGS) $(COMMON_CFLAGS) $(WARNING_CFLAGS) \ + $(SYS_CFLAGS) + +ALL_HOST_CFLAGS := \ + $(COMMON_USER_FLAGS) $(COMMON_CFLAGS) $(HOST_WARNING_CFLAGS) + +# User C++ only +# +ALL_CXXFLAGS := \ + $(COMMON_USER_FLAGS) $(COMMON_FLAGS) \ + -fno-rtti -fno-exceptions \ + -Wpointer-arith -Wunused-parameter \ + $(SYS_CXXFLAGS) + +ALL_HOST_CXXFLAGS := \ + $(COMMON_USER_FLAGS) $(COMMON_CFLAGS) -Wall + +# User C and C++ +# +# NOTE: ALL_HOST_LDFLAGS should probably be using -rpath-link too, and if we +# ever need to support building host shared libraries, it's required. +# +# We can't use it right now because we want to support non-GNU-compatible +# linkers like the Darwin 'ld' which doesn't support -rpath-link. +# +ALL_HOST_LDFLAGS := -L$(HOST_OUT) +ALL_LDFLAGS := -L$(TARGET_OUT) -Xlinker -rpath-link=$(TARGET_OUT) + +ifneq ($(strip $(TOOLCHAIN)),) +ALL_LDFLAGS += -L$(TOOLCHAIN)/lib -Xlinker -rpath-link=$(TOOLCHAIN)/lib +endif + +ifneq ($(strip $(LINKER_RPATH)),) +ALL_LDFLAGS += $(addprefix -Xlinker -rpath=,$(LINKER_RPATH)) +endif + +ALL_LDFLAGS += $(SYS_LDFLAGS) + +# Kernel C only +# +ALL_KBUILD_CFLAGS := $(COMMON_CFLAGS) $(KBUILD_WARNING_CFLAGS) \ + $(call kernel-cc-option,-Wno-type-limits) \ + $(call kernel-cc-option,-Wno-pointer-arith) \ + $(call kernel-cc-option,-Wno-aggregate-return) \ + $(call kernel-cc-option,-Wno-unused-but-set-variable) + +# This variable contains a list of all modules built by kbuild +ALL_KBUILD_MODULES := + +# This variable contains a list of all modules which contain C++ source files +ALL_CXX_MODULES := + +# Toolchain triple for cross environment +CROSS_TRIPLE := $(patsubst %-,%,$(CROSS_COMPILE)) |