diff -ruN libuv-v1.51.0/autogen.sh libuv/autogen.sh
--- libuv-v1.51.0/autogen.sh    2025-04-25 05:50:27.000000000 -0400
+++ libuv/autogen.sh    2025-09-24 02:32:02.167774380 -0400
@@ -32,14 +32,14 @@
 AUTOMAKE=${AUTOMAKE:-automake}
 LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}

-aclocal_version=`"$ACLOCAL" --version | head -n 1 | sed 's/[^.0-9]//g'`
+aclocal_version=`$ACLOCAL --version | head -n 1 | sed 's/[^.0-9]//g'`
 autoconf_version=`"$AUTOCONF" --version | head -n 1 | sed 's/[^.0-9]//g'`
 automake_version=`"$AUTOMAKE" --version | head -n 1 | sed 's/[^.0-9]//g'`
 automake_version_major=`echo "$automake_version" | cut -d. -f1`
 automake_version_minor=`echo "$automake_version" | cut -d. -f2`
 libtoolize_version=`"$LIBTOOLIZE" --version | head -n 1 | sed 's/[^.0-9]//g'`

-if [ $aclocal_version != $automake_version ]; then
+if [[ $aclocal_version != $automake_version ]]; then
     echo "FATAL: aclocal version appears not to be from the same as automake"
     exit 1
 fi
@@ -56,7 +56,7 @@

 (set -x
 "$LIBTOOLIZE" --copy --force
-"$ACLOCAL" -I m4
+$ACLOCAL -I m4
 )
 if $LIBUV_RELEASE; then
   "$AUTOCONF" -o /dev/null m4/libuv-check-versions.m4