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Add explicit blank checks in the build system for user-set but blank variables that must not be blank.

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Dean Camera
2012-06-03 12:39:53 +00:00
parent 88425d7dab
commit 5af18ba288
5 changed files with 45 additions and 14 deletions
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LUFA/Build/lufa.sources.in
+6 -2
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@@ -36,8 +36,12 @@ LUFA_BUILD_OPTIONAL_VARS +=
# -----------------------------------------------------------------------------
# Sanity-check values of mandatory user-supplied variables
ARCH ?= $(error Makefile ARCH value not set.)
LUFA_PATH ?= $(error Makefile LUFA_PATH value not set.)
ARCH ?= $(error Makefile ARCH value not set)
LUFA_PATH ?= $(error Makefile LUFA_PATH value not set)
ifeq ($(ARCH),)
$(error Makefile ARCH option cannot be blank)
endif
# Allow LUFA_ROOT_PATH to be overridden elsewhere to support legacy LUFA makefiles
LUFA_ROOT_PATH ?= $(patsubst %/,%,$(LUFA_PATH))