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defaultenv: fix empty CONFIG_DEFAULT_ENVIRONMENT_PATH 

if CONFIG_DEFAULT_ENVIRONMENT_PATH="" then
$(DEFAULT_ENVIRONMENT_PATH) expands to 'defaultenv "" '
The "" would cause every single file found in $(srctree) to be included in
$(ENV_FILES). This would then cause scripts/mod/sumversions.c to get
recompiled using $(CC) and fail compilation if $(CC) points to a newlib
cross compiler

Signed-off-by: Jon Ringle <jon@ringle.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jon Ringle 2011-03-22 02:57:08 -04:00 committed by Sascha Hauer
parent 79c78016c1
commit e9831a6817
1 changed files with 3 additions and 1 deletions
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4
common/Makefile
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@ -31,9 +31,11 @@ ifeq ($(CONFIG_DEFAULT_ENVIRONMENT_GENERIC),y)
DEFAULT_ENVIRONMENT_PATH = "defaultenv"
endif
ifneq ($(CONFIG_DEFAULT_ENVIRONMENT_PATH),"")
DEFAULT_ENVIRONMENT_PATH += $(CONFIG_DEFAULT_ENVIRONMENT_PATH)
endif
ENV_FILES := $(shell cd $(srctree); for i in $(DEFAULT_ENVIRONMENT_PATH); do find $${i} -type f -exec readlink -f {} \;; done)
ENV_FILES := $(shell cd $(srctree); for i in $(DEFAULT_ENVIRONMENT_PATH); do find $${i} -type f -exec readlink -f '{}' \;; done)
endif # ifdef CONFIG_DEFAULT_ENVIRONMENT