[Buildroot] [PATCH 1/1] fix failure during 'make linux-menuconfig' when PATH env var has spaces

[Dan Raymond]

On 3/3/2021 11:18 AM, Dan Raymond wrote:
> OK, I see why we can't just set an empty path (none of the build tools 
> will be found).  I got the following to work.  You can't quote 
> $(BR_PATH) because it is already quoted and you only need one $.
>
> $(2)_CONFIGURATOR_MAKE_ENV = \
>     $$($(2)_MAKE_ENV) \
>     PATH=$(BR_PATH) \
>     PKG_CONFIG= \
>     PKG_CONFIG_SYSROOT_DIR= \
>     PKG_CONFIG_ALLOW_SYSTEM_CFLAGS= \
>     PKG_CONFIG_ALLOW_SYSTEM_LIBS= \
>     PKG_CONFIG_LIBDIR= \
>     PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)"
>
> However the result is equivalent to leaving the PATH alone:
>
> $(2)_CONFIGURATOR_MAKE_ENV = \
>     $$($(2)_MAKE_ENV) \
>     PKG_CONFIG= \
>     PKG_CONFIG_SYSROOT_DIR= \
>     PKG_CONFIG_ALLOW_SYSTEM_CFLAGS= \
>     PKG_CONFIG_ALLOW_SYSTEM_LIBS= \
>     PKG_CONFIG_LIBDIR= \
>     PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)"

My testing would imply that we don't need to strip the PATH at all 
here.  Is there someone more familiar with this area that can clarify?