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build system: Remove make 3.81 "component_project_vars.mk: No such file or directory" messages

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Also add an explicit make version check & warning.
This commit is contained in:
Angus Gratton 2016-11-14 10:51:53 +11:00
parent 341593f7d2
commit cc510c1d95
1 changed files with 9 additions and 1 deletions
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10
make/project.mk
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@ -36,6 +36,13 @@ help:
@echo "See also 'make bootloader', 'make bootloader-flash', 'make bootloader-clean', "
@echo "'make partition_table', etc, etc."
# dependency checks
ifndef MAKE_RESTARTS
ifeq ("$(filter 4.% 3.81 3.82,$(MAKE_VERSION))","")
$(warning "esp-idf build system only supports GNU Make versions 3.81 or newer. You may see unexpected results with other Makes.")
endif
endif
# disable built-in make rules, makes debugging saner
MAKEFLAGS_OLD := $(MAKEFLAGS)
MAKEFLAGS +=-rR
@ -105,7 +112,8 @@ COMPONENT_LDFLAGS :=
# See the component_project_vars.mk target in component_wrapper.mk
COMPONENT_PROJECT_VARS := $(addsuffix /component_project_vars.mk,$(notdir $(COMPONENT_PATHS_BUILDABLE)))
COMPONENT_PROJECT_VARS := $(addprefix $(BUILD_DIR_BASE)/,$(COMPONENT_PROJECT_VARS))
include $(COMPONENT_PROJECT_VARS)
# this line is -include instead of include to prevent a spurious error message on make 3.81
-include $(COMPONENT_PROJECT_VARS)
# Also add top-level project include path, for top-level includes
COMPONENT_INCLUDES += $(abspath $(BUILD_DIR_BASE)/include/)