diff -uNr gzip-1.10/zgrep.in gzip-1.10.mod/zgrep.in
--- gzip-1.10/zgrep.in	2018-03-31 06:55:32.000000000 +0300
+++ gzip-1.10.mod/zgrep.in	2019-03-01 18:41:31.001645453 +0200
@@ -136,7 +136,7 @@
       case $TMPDIR in
         / | /*/) ;;
         /*) TMPDIR=$TMPDIR/;;
-        *) TMPDIR=/tmp/;;
+        *) TMPDIR=@TERMUX_PREFIX@/tmp/;;
       esac
       if type mktemp >/dev/null 2>&1; then
         pattmp=$(mktemp "${TMPDIR}zgrepXXXXXXXXX") || exit 2