[libvirt] [PATCHv2] build: fix shell detection bug

A missing shell was noisy, and the use of command to decipher a shell's absolute path requires "" rather than ''. * configure.ac (lv_cv_wrapper_shell): Fix logic errors if candidate shell is not available. Reported by Matthias Bolte. --- configure.ac | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index 86a864b..26c030a 100644 --- a/configure.ac +++ b/configure.ac @@ -616,13 +616,13 @@ if test "$with_qemu" = yes; then test $lv_cv_wrapper_shell = none && AC_MSG_ERROR([could not find decent shell]) echo a > conftest.a - $lv_cv_wrapper_shell -c ': 1<>conftest.a' + ($lv_cv_wrapper_shell -c ': 1<>conftest.a') 2>/dev/null && case `cat conftest.a`.$lv_cv_wrapper_shell in a./*) break;; dnl /bin/sh is good enough a.*) dnl bash, ksh, and zsh all understand 'command', use that dnl to determine the absolute path of the shell lv_cv_wrapper_shell=`$lv_cv_wrapper_shell -c \ - 'command -v $lv_cv_wrapper_shell'` + "command -v $lv_cv_wrapper_shell"` case $lv_cv_wrapper_shell in /*) break;; esac -- 1.7.2.3