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More paranoia about which

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This commit is contained in:
Kenneth Heafield 2011-12-13 09:36:23 -05:00
parent 3e7e101d98
commit 4dbc848363
1 changed files with 8 additions and 6 deletions
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14
bjam
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@ -1,13 +1,15 @@
#!/bin/bash
set -e
if
which bjam >/dev/null 2>/dev/null && #Have a bjam in path
! grep UFIHGUFIHBDJKNCFZXAEVA "$(which bjam)" </dev/null >/dev/null && #bjam in path isn't this script
bjam --help >/dev/null 2>/dev/null && #bjam in path isn't broken (i.e. has boost-build)
bjam --version |grep "Boost.Build 201" >/dev/null 2>/dev/null #It's recent enough.
set -x
if
bjam="$(which bjam 2>/dev/null)" && #exists
[ ${#bjam} != 0 ] && #paranoia about which printing nothing then returning true
! grep UFIHGUFIHBDJKNCFZXAEVA "${bjam}" </dev/null >/dev/null && #bjam in path isn't this script
"${bjam}" --help >/dev/null 2>/dev/null && #bjam in path isn't broken (i.e. has boost-build)
"${bjam}" --version |grep "Boost.Build 201" >/dev/null 2>/dev/null #It's recent enough.
then
#Delegate to system bjam
exec bjam "$@"
exec "${bjam}" "$@"
fi
top="$(dirname "$0")"