diff --git a/pkgs/applications/misc/llpp/default.nix b/pkgs/applications/misc/llpp/default.nix
index e2ec64932ff2..d7752258df98 100644
--- a/pkgs/applications/misc/llpp/default.nix
+++ b/pkgs/applications/misc/llpp/default.nix
@@ -5,12 +5,12 @@ assert lib.versionAtLeast (lib.getVersion ocaml) "4.07";
 
 stdenv.mkDerivation rec {
   pname = "llpp";
-  version = "31";
+  version = "32";
 
   src = fetchgit {
     url = "git://repo.or.cz/llpp.git";
     rev = "v${version}";
-    sha256 = "14ibsm1zzxfidjajcj30b5m9in10q3817izahsjvkmryrvvn6qsg";
+    sha256 = "1h1zysm5cz8laq8li49djl6929cnrjlflag9hw0c1dcr4zaxk32y";
     fetchSubmodules = false;
   };
 
diff --git a/pkgs/applications/misc/llpp/fix-build-bash.patch b/pkgs/applications/misc/llpp/fix-build-bash.patch
index 13dbdb926c8f..fbc341c8af78 100644
--- a/pkgs/applications/misc/llpp/fix-build-bash.patch
+++ b/pkgs/applications/misc/llpp/fix-build-bash.patch
@@ -17,48 +17,48 @@ index 7c278b6..41494c5 100755
 -keycmd="(cd $mudir && make -q build=$mbt libs && echo); digest $mulibs"
 -isfresh "$mulibs" "$(eval $keycmd)" || (
 -    make -C "$mudir" build=$mbt -j $mjobs libs
--    echo "k='$(eval $keycmd)'" >$mudir/build/$mbt/libmupdf.a.past
+-    eval $keycmd >$mudir/build/$mbt/libmupdf.a.past
 -) && vecho "fresh mupdf"
 -
  oincs() {
      local i=
      local incs1=
-@@ -90,34 +83,6 @@ mflags() {
+@@ -89,34 +82,6 @@ mflags() {
  }
  
  overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
--test "$overs" = "4.08" || {
--    url=https://caml.inria.fr/pub/distrib/ocaml-4.08/ocaml-4.08.0.tar.xz
+-test "$overs" = "4.10.0" || {
+-    url=https://caml.inria.fr/pub/distrib/ocaml-4.10/ocaml-4.10.0.tar.xz
 -    txz=$outd/$(basename $url)
--    isfresh $txz $url || {
+-    keycmd="printf $url; digest $txz;"
+-    isfresh $txz "$(eval $keycmd)" || {
 -        executable_p() { command -v "$1" >/dev/null 2>&1; }
 -        if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
 -        elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
 -        else die "no program to fetch remote urls found"
 -        fi
 -        dl $url $txz
--        echo "k=$url" >$txz.past
+-        eval $keycmd >$txz.past
 -    } && vecho "fresh $txz"
 -    absprefix=$(cd $outd &>/dev/null; pwd -P)
 -    export PATH=$absprefix/bin:$PATH
--    isfresh $absprefix/bin/ocamlc "$url" || (
+-    ocamlc=$absprefix/bin/ocamlc
+-    keycmd="printf $url; digest $ocamlc;"
+-    isfresh $ocamlc "$(eval $keycmd)" || (
 -        tar xf $txz -C $outd
 -        bn=$(basename $url)
 -        cd $outd/${bn%.tar.xz}
--        ./configure --disable-vmthreads --disable-graph-lib \
--                    --disable-ocamldoc --enable-debugger=no \
--                    --disable-flat-float-array              \
--                    --prefix=$absprefix
+-        ./configure --disable-ocamldoc --enable-debugger=no --prefix=$absprefix
 -        make -j $mjobs world
 -        make install
--        echo "k='$url'" >$absprefix/bin/ocamlc.past
+-        eval $keycmd >$absprefix/bin/ocamlc.past
 -    ) && vecho "fresh ocamlc"
 -    overs=$(ocamlc -vnum 2>/dev/null)
 -}
  
- bocaml1() {
-     grep -q "$3" $outd/ordered || {
-@@ -227,7 +192,7 @@ bobjc() {
+ ccomp=${LLPP_CC-$(ocamlc -config | grep "^c_compiler: " | \
+                       { read _ c; echo $c; })}
+@@ -230,7 +195,7 @@ bobjc() {
      } && vecho "fresh $o"
  }
  
@@ -67,7 +67,7 @@ index 7c278b6..41494c5 100755
  
  cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
  keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
-@@ -281,7 +246,7 @@ for m in ml_gl ml_glarray ml_raw; do
+@@ -284,7 +249,7 @@ for m in ml_gl ml_glarray ml_raw; do
  done
  
  libs="str.cma unix.cma"