Merge branch 'bugfix/build_system_tilde' into 'master'

Build system: Allow IDF_PATH to contain ~ or C:/

See github issues
* https://github.com/espressif/esp-idf/issues/118
* https://github.com/espressif/esp-idf/issues/166

(This is easier to work around in the build system than to document.)

See merge request !315
This commit is contained in:
Angus Gratton 2016-12-22 12:14:16 +08:00
commit 578b627d9b

View file

@ -45,6 +45,27 @@ $(warning "esp-idf build system only supports GNU Make versions 3.81 or newer. Y
endif
endif
# make IDF_PATH a "real" absolute path
# * works around the case where a shell character is embedded in the environment variable value.
# * changes Windows-style C:/blah/ paths to MSYS/Cygwin style /c/blah
export IDF_PATH:=$(realpath $(wildcard $(IDF_PATH)))
ifndef IDF_PATH
$(error IDF_PATH variable is not set to a valid directory.)
endif
ifneq ("$(IDF_PATH)","$(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
# make IDF_PATH=~/blah not make IDF_PATH="~/blah"
$(error If IDF_PATH is overriden on command line, it must be an absolute path with no embedded shell special characters)
endif
ifneq ("$(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
@ -358,7 +379,7 @@ $(foreach component,$(TEST_COMPONENT_PATHS),$(eval $(call GenerateComponentTarge
app-clean: $(addsuffix -clean,$(notdir $(COMPONENT_PATHS_BUILDABLE)))
$(summary) RM $(APP_ELF)
rm -f $(APP_ELF) $(APP_BIN) $(APP_MAP)
size: $(APP_ELF)
$(SIZE) $(APP_ELF)