Fixes for OCaml 4.12.

0001-builder-Don-t-redefine-Val_none-OCaml-4.12.patch

@@ -0,0 +1,35 @@
+From 5f499208cf53ebd3f05525918c213a36c3ca13b5 Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Tue, 2 Mar 2021 10:42:49 +0000
+Subject: [PATCH] builder: Don't redefine Val_none (OCaml 4.12).
+
+  CC       virt_builder-setlocale-c.o
+setlocale-c.c:38: error: "Val_none" redefined [-Werror]
+   38 | #define Val_none (Val_int (0))
+      |
+In file included from /usr/lib64/ocaml/caml/alloc.h:24,
+                 from setlocale-c.c:23:
+/usr/lib64/ocaml/caml/mlvalues.h:395: note: this is the location of the previous definition
+  395 | #define Val_none Val_int(0)
+      |
+---
+ builder/setlocale-c.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/builder/setlocale-c.c b/builder/setlocale-c.c
+index 6d877e7ac..1834c11df 100644
+--- a/builder/setlocale-c.c
++++ b/builder/setlocale-c.c
+@@ -35,7 +35,9 @@ static const int lc_string_table[7] = {
+   LC_MESSAGES
+ };
+ 
++#ifndef Val_none
+ #define Val_none (Val_int (0))
++#endif
+ 
+ extern value virt_builder_setlocale (value val_category, value val_name);
+ 
+-- 
+2.29.0.rc2
+

0001-mlstdutils-std_utils.ml-Fix-for-OCaml-4.12.patch

@@ -0,0 +1,35 @@
+From cc4ecbe236914f9b391ecf3815008547472632f8 Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Tue, 2 Mar 2021 10:39:15 +0000
+Subject: [PATCH] mlstdutils/std_utils.ml: Fix for OCaml 4.12.
+
+We were using a default function from somewhere called "compare"
+instead of the actual function (Pervasives.compare / Stdlib.compare).
+Since the wrong default function was used it had a different type from
+what we expected:
+
+File "std_utils.ml", line 312, characters 36-37:
+312 |       | (y, y') :: _ when cmp x y = 0 -> y'
+                                          ^
+Error: This expression has type int but an expression was expected of type
+         'weak1 list -> int
+---
+ common/mlstdutils/std_utils.ml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/common/mlstdutils/std_utils.ml b/common/mlstdutils/std_utils.ml
+index 4237ea519..88477179a 100644
+--- a/common/mlstdutils/std_utils.ml
++++ b/common/mlstdutils/std_utils.ml
+@@ -307,7 +307,7 @@ module List = struct
+       | x::xs, y::ys, z::zs -> (x, y, z) :: combine3 xs ys zs
+       | _ -> invalid_arg "combine3"
+ 
+-    let rec assoc_lbl ?(cmp = compare) ~default x = function
++    let rec assoc_lbl ?(cmp = Pervasives.compare) ~default x = function
+       | [] -> default
+       | (y, y') :: _ when cmp x y = 0 -> y'
+       | _ :: ys -> assoc_lbl ~cmp ~default x ys
+-- 
+2.29.0.rc2
+

libguestfs.spec

@@ -56,7 +56,7 @@ Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
 Version:       1.44.0
-Release:       7%{?dist}
+Release:       8%{?dist}
 License:       LGPLv2+
 
 # Build only for architectures that have a kernel
@@ -89,6 +89,10 @@ Source8:       copy-patches.sh
 # Upstream patch to use -cpu max.
 Patch1:        0001-appliance-Use-cpu-max.patch
 
+# Upstream patches for OCaml 4.12.
+Patch2:        0001-builder-Don-t-redefine-Val_none-OCaml-4.12.patch
+Patch3:        0001-mlstdutils-std_utils.ml-Fix-for-OCaml-4.12.patch
+
 %if 0%{patches_touch_autotools}
 BuildRequires: autoconf, automake, libtool, gettext-devel
 %endif
@@ -1309,8 +1313,9 @@ rm ocaml/html/.gitignore
 
 
 %changelog
-* Tue Mar  2 10:06:30 GMT 2021 Richard W.M. Jones <rjones@redhat.com> - 1:1.44.0-7
+* Tue Mar  2 10:06:30 GMT 2021 Richard W.M. Jones <rjones@redhat.com> - 1:1.44.0-8
 - OCaml 4.12.0 build
+- Fixes for OCaml 4.12.
 
 * Wed Feb 17 2021 Richard W.M. Jones <rjones@redhat.com> - 1:1.44.0-6
 - Remove jfsutils (dead upstream since 2011).