suggestion from https://notabug.org/guile-sqlite3/guile-sqlite3/issues/6

Index: scheme-bytestructures/configure.ac
===================================================================
--- scheme-bytestructures.orig/configure.ac
+++ scheme-bytestructures/configure.ac
@@ -7,6 +7,11 @@ dnl Enable silent rules by default.
 AM_SILENT_RULES([yes])
 
 GUILE_PKG([2.2 2.0])
+AC_ARG_VAR([GUILD], [guild (Guile compiler) command])
+AS_IF([test "x$GUILD" = "x"],
+  [PKG_CHECK_VAR([GUILD], [guile-$GUILE_EFFECTIVE_VERSION], [guild], [],
+    [AC_MSG_ERROR(m4_normalize([
+      'guild' binary not found; please check your Guile installation.]))])])
 GUILE_PROGS
 
 AC_CONFIG_FILES([Makefile])
