It help to avoid error on distros which has only python3 binary:
./autogen.sh: line 20: python: command not found
Using bash builtin 'command -v' to avoid requiring which as extra
dependency (usable on containers).
Keep the possibility to define PYTHON.
Signed-off-by: Petr Vorel <pvo...@suse.cz>
---
autogen.sh | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/autogen.sh b/autogen.sh
index 31b0ced7e..46f9e1a6d 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -7,8 +7,21 @@ if [ ! -e grub-core/lib/gnulib/stdlib.in.h ]; then
exit 1
fi
-# Set ${PYTHON} to plain 'python' if not set already
-: ${PYTHON:=python}
+# Detect python
+if [ -z "$PYTHON" ]; then
+ for i in python python3 python2; do
+ if command -v "$i" > /dev/null 2>&1; then
+ PYTHON="$i"
+ echo "Using $PYTHON" >&2
+ break
+ fi
+ done
+
+ if [ -z "$PYTHON" ]; then
+ echo "python not found" >&2
+ exit 1
+ fi
+fi
export LC_COLLATE=C
unset LC_ALL
--
2.32.0
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