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Globally disable PKG_CONFIG_PATH

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If PKG_CONFIG_PATH is set in the environment, it allows pkg-config to
look for libraries outside of the buildroot tree.  This is a problem
both for host and target builds.  To avoid it, globally set an empty
PKG_CONFIG_PATH in the environment.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Arnout Vandecappelle 2012-06-30 10:29:22 +00:00 committed by Peter Korsgaard
parent 96885ca7eb
commit 670cb30670
1 changed files with 3 additions and 0 deletions
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3
Makefile
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@ -165,6 +165,9 @@ HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
# Make sure pkg-config doesn't look outside the buildroot tree
unexport PKG_CONFIG_PATH
# bash prints the name of the directory on 'cd <dir>' if CDPATH is
# set, so unset it here to not cause problems. Notice that the export
# line doesn't affect the environment of $(shell ..) calls, so