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Check if the required GCC version is used

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Fixes #1531
This commit is contained in:
Christian Prochaska 2015-05-19 18:32:41 +02:00 committed by Christian Helmuth
parent db5e4f70f1
commit 197be2602f
1 changed files with 27 additions and 8 deletions
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35
tool/builddir/build.mk
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@ -32,6 +32,8 @@
#
# CONTRIB_DIR - location of ported 3rd-party source codes
#
# REQUIRED_GCC_VERSION - GCC version required for building Genode
#
##
## Define global configuration variables
@ -71,6 +73,12 @@ export SHELL := $(shell which bash)
select_from_repositories = $(firstword $(foreach REP,$(REPOSITORIES),$(wildcard $(REP)/$(1))))
-include $(call select_from_repositories,etc/specs.conf)
-include $(BUILD_BASE_DIR)/etc/specs.conf
export SPEC_FILES := $(foreach SPEC,$(SPECS),$(call select_from_repositories,mk/spec-$(SPEC).mk))
include $(SPEC_FILES)
export SPECS
include $(BASE_DIR)/mk/global.mk
export LIBGCC_INC_DIR = $(shell dirname `$(CUSTOM_CXX_LIB) -print-libgcc-file-name`)/include
@ -78,24 +86,35 @@ export LIBGCC_INC_DIR = $(shell dirname `$(CUSTOM_CXX_LIB) -print-libgcc-file-na
#
# Find out about the target directories to build
#
DST_DIRS := $(filter-out all clean bin cleanall again run/%,$(MAKECMDGOALS))
DST_DIRS := $(filter-out clean cleanall again run/%,$(MAKECMDGOALS))
ifeq ($(MAKECMDGOALS),)
DST_DIRS := *
endif
#
# Tool chain version check
#
# If SPECS contains 'always_hybrid' we skip the check as the host tool chain is
# used. Also, empty DST_DIRS is interpreted as a tool-chain agnostic target,
# e.g., clean.
#
ifeq ($(filter always_hybrid,$(SPECS)),)
ifneq ($(DST_DIRS),)
REQUIRED_GCC_VERSION ?= 4.9.2
GCC_VERSION := $(filter $(REQUIRED_GCC_VERSION) ,$(shell $(CUSTOM_CXX) --version))
ifneq ($(GCC_VERSION), $(REQUIRED_GCC_VERSION))
$(error "GCC version $(REQUIRED_GCC_VERSION) is required")
endif
endif
endif
#
# Default rule: build all directories specified as make arguments
#
all $(DST_DIRS): gen_deps_and_build_targets
_all $(DST_DIRS): gen_deps_and_build_targets
@true
-include $(call select_from_repositories,etc/specs.conf)
-include $(BUILD_BASE_DIR)/etc/specs.conf
export SPEC_FILES := $(foreach SPEC,$(SPECS),$(call select_from_repositories,mk/spec-$(SPEC).mk))
include $(SPEC_FILES)
export SPECS
##
## First stage: generate library dependencies
##