--- ../gac.in.orig	2020-03-23 13:34:46.413961009 +0100
+++ ./cnf/gac.in	2020-03-23 15:22:16.104160530 +0100
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!@TERMUX_PREFIX@/bin/sh
 #############################################################################
 ##
 ##  This file is part of GAP, a system for computational discrete algebra.
@@ -53,13 +53,13 @@
 ##   -k|--gap-compiler
 ##
 
-SHELL="@SHELL@"
+SHELL="@TERMUX_PREFIX@/bin/sh"
 
 # absolute path of the directory in which GAP was compiled
-abs_top_builddir="@abs_top_builddir@"
+abs_top_builddir="@TERMUX_PREFIX@/share/gap"
 
 # path of the directory the GAP sources contained in
-abs_top_srcdir="@abs_top_srcdir@"
+abs_top_srcdir="@TERMUX_PREFIX@/share/gap"
 
 #
 libdir="@libdir@"
@@ -67,7 +67,7 @@
 # path to the GAP executable
 gap_compiler="${abs_top_builddir}/gap"
 
-libtool="$SHELL $abs_top_builddir/libtool"
+libtool="$SHELL @TERMUX_PREFIX@/bin/libtool"
 CC="@CC@"
 
 # These three should be filled in by the standard autoconf procedures 
@@ -81,7 +81,7 @@
 c_dyn_linker="$libtool --mode=link $CC -module -avoid-version -rpath $libdir"
 c_addlibs=""
 
-GAPARCH=@GAPARCH@
+GAPARCH=
 SYS_IS_CYGWIN32=@SYS_IS_CYGWIN32@
 if [ X"$SYS_IS_CYGWIN32" = X"yes" ] ; then
     c_dyn_linker="$c_dyn_linker -no-undefined -version-info 0:0:0"