Defining KICAD_FOOTPRINT_DIR as a system variable means it can't be edited in KiCad's Configure Paths dialog.

Description

When try change folder path in "Configure Path" gives the warning message show in the image.

When restart kicad the path is the default in /usr/.....

My OS is Linux Mint 21

kicad_mensage

Steps to reproduce

  1. Go to "Configure Path"
  2. Change path folder example footprint
  3. Restart Kicad
  4. path is again the default

KiCad Version

Application: KiCad

Version: 5.99.0-unknown-73ecc61c38~117~ubuntu20.04.1, release build

Libraries:
	wxWidgets 3.0.4
	libcurl/7.68.0 OpenSSL/1.1.1f zlib/1.2.11 brotli/1.0.7 libidn2/2.2.0 libpsl/0.21.0 (+libidn2/2.2.0) libssh/0.9.3/openssl/zlib nghttp2/1.40.0 librtmp/2.3

Platform: Linux 5.4.0-66-generic x86_64, 64 bit, Little endian, wxGTK, cinnamon, x11

Build Info:
	Date: Mar  4 2021 08:04:39
	wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8) GTK+ 3.24
	Boost: 1.71.0
	OCC: 7.3.0
	Curl: 7.68.0
	ngspice: 31
	Compiler: GCC 9.3.0 with C++ ABI 1013

Build settings:
	KICAD_SCRIPTING=ON
	KICAD_SCRIPTING_MODULES=ON
	KICAD_SCRIPTING_PYTHON3=ON
	KICAD_SCRIPTING_WXPYTHON=ON
	KICAD_SCRIPTING_WXPYTHON_PHOENIX=ON
	KICAD_SCRIPTING_ACTION_MENU=ON
	KICAD_USE_OCC=ON
	KICAD_SPICE=ON
Edited by Jeff Young