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build system: Fix Windows case when IDF_PATH contains colons (ie C:/)

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Closes github #166 https://github.com/espressif/esp-idf/issues/166
This commit is contained in:
Angus Gratton 2016-12-22 10:31:20 +11:00
parent 9d8e110202
commit de8ecdd3c1
1 changed files with 9 additions and 4 deletions
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13
make/project.mk
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@ -44,15 +44,16 @@ $(warning "esp-idf build system only supports GNU Make versions 3.81 or newer. Y
endif
endif
# make IDF_PATH an absolute path
# (works around the case where a shell character is embedded in the environment variable value.)
export IDF_PATH:=$(wildcard $(IDF_PATH))
# make IDF_PATH a "real" absolute path
# * works around the case where a shell character is embedded in the environment variable value.
# * changes Windows-style C:/blah/ paths to MSYS/Cygwin style /c/blah
export IDF_PATH:=$(realpath $(wildcard $(IDF_PATH)))
ifndef IDF_PATH
$(error IDF_PATH variable is not set to a valid directory.)
endif
ifneq ("$(IDF_PATH)","$(wildcard $(IDF_PATH))")
ifneq ("$(IDF_PATH)","$(realpath $(wildcard $(IDF_PATH)))")
# due to the way make manages variables, this is hard to account for
#
# if you see this error, do the shell expansion in the shell ie
@ -60,6 +61,10 @@ ifneq ("$(IDF_PATH)","$(wildcard $(IDF_PATH))")
$(error If IDF_PATH is overriden on command line, it must be an absolute path with no embedded shell special characters)
endif
ifneq ("$(IDF_PATH)","$(subst :,,$(IDF_PATH))")
$(error IDF_PATH cannot contain colons. If overriding IDF_PATH on Windows, use Cygwin-style /c/dir instead of C:/dir)
endif
# disable built-in make rules, makes debugging saner
MAKEFLAGS_OLD := $(MAKEFLAGS)
MAKEFLAGS +=-rR