--- configure.orig	2023-07-19 17:58:46 UTC
+++ configure
@@ -258,7 +258,7 @@ searchbin ocamlfind
 if test $? -eq 1 && test $ocamlfind != "no"; then 
     instmeth='findlib'
     if test "$installdir" = "auto"
-    then installdir=`ocamlfind printconf destdir`; fi
+    then installdir=`ocamlfind printconf destdir | sed 's/:.*//'`; fi
 else
     searchbin install
     if test $? -eq 1; then instmeth='install'
@@ -354,7 +354,7 @@ OCAMLINC=$mlinc
 CFLAGS=$ccinc $ccdef $ccopt
 LIBS=$cclib
 LDFLAGS=$ldflags
-INSTALLDIR=$installdir
+INSTALLDIR=${DESTDIR}$installdir
 INSTALL=install
 OCAMLFIND=ocamlfind
 INSTMETH=$instmeth