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clarify rationale for env whitelist entries 

* add EDITOR, PS1, TERM for basic functionality of interactive shells
* separate mxe related variables
* identify source of ACLOCAL_PATH and LD_LIBRARY_PATH
This commit is contained in:
Tony Theodore 2016-04-11 21:06:46 +10:00
parent 632085f2f7
commit 580828183a
1 changed files with 9 additions and 2 deletions
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Makefile
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@ -155,8 +155,15 @@ endef
PRELOAD_VARS := LD_PRELOAD DYLD_FORCE_FLAT_NAMESPACE DYLD_INSERT_LIBRARIES
# use a minimal whitelist of safe environment variables
# HOME is needed for ~/.gitconfig for patch-tool-mxe
ENV_WHITELIST := PATH HOME LANG MAKE% MXE% %PROXY %proxy LD_LIBRARY_PATH $(PRELOAD_VARS) ACLOCAL_PATH
# basic working shell environment and mxe variables
# see http://www.linuxfromscratch.org/lfs/view/stable/chapter04/settingenvironment.html
ENV_WHITELIST := EDITOR HOME LANG PATH %PROXY %proxy PS1 TERM
ENV_WHITELIST += MAKE% MXE% $(PRELOAD_VARS)
# OS/Distro related issues - "unsafe" but practical
# 1. https://github.com/mxe/mxe/issues/697
ENV_WHITELIST += ACLOCAL_PATH LD_LIBRARY_PATH
unexport $(filter-out $(ENV_WHITELIST),$(shell env | cut -d '=' -f1))
# disable wine with readonly directory (created by mxe-conf)