autogen.sh: use 'command -v' instead of 'which'

which is not standardized and can even be considered problematic [1]

[1] https://lwn.net/Articles/874049/

1 files changed, 1 insertions, 1 deletions

diff --git a/autogen.sh b/autogen.sh
index 4b7251f..7d3c674 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -12,7 +12,7 @@ if test ! -f .version; then
 fi
 set -e
 printf  "libtoolize... "
-LIBTOOLIZE=${LIBTOOLIZE:-`which libtoolize || which glibtoolize`}
+: "${LIBTOOLIZE:="$(command -v libtoolize || command -v glibtoolize)"}"
 if ${LIBTOOLIZE} --help | grep -- --install > /dev/null; then
    ${LIBTOOLIZE} --copy --force --install >/dev/null;
 else