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gnu: ocaml-cairo2: Patch test phase.

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* gnu/local.mk (ocaml-cairo2-caml_ba_array_fix.patch): Add ref.
* gnu/packages/ocaml.scm (ocaml-cairo2): Utilize patch.
* gnu/packages/patches/ocaml-cairo2-caml_ba_array-fix.patch: Add file.
This commit is contained in:
Brett Gilio 2020-11-22 21:02:59 -06:00
parent 12ed211b75
commit 0ada181aa1
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3 changed files with 76 additions and 5 deletions
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68
gnu/packages/patches/ocaml-cairo2-caml_ba_array-fix.patch Normal file
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@ -0,0 +1,68 @@
From 3c70f2ff18650c4794556049cd4ea22a58cc719e Mon Sep 17 00:00:00 2001
From: Christophe Troestler <Christophe.Troestler@umons.ac.be>
Date: Sun, 27 Sep 2020 23:20:52 +0200
Subject: [PATCH] Do not store the Caml_ba_array_val pointer during surface
creation
Extracted from Cairo git-tree on November 22, 2020 by
Brett Gilio <brettg@gnu.org>
---
src/cairo_stubs.c | 3 ++-
tests/image_create.ml | 5 +++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/cairo_stubs.c b/src/cairo_stubs.c
index 641ee2c..200abf3 100644
--- a/src/cairo_stubs.c
+++ b/src/cairo_stubs.c
@@ -1580,6 +1580,7 @@ static cairo_status_t caml_cairo_image_bigarray_attach_proxy
caml_cairo_image_bigarray_finalize);
}
+#define b (Caml_ba_array_val(vb))
#define SURFACE_CREATE_DATA(name) \
CAMLexport value caml_cairo_image_surface_create_for_##name \
(value vb, value vformat, value vwidth, value vheight, value vstride) \
@@ -1588,7 +1589,6 @@ static cairo_status_t caml_cairo_image_bigarray_attach_proxy
CAMLlocal1(vsurf); \
cairo_surface_t* surf; \
const int width = Int_val(vwidth); \
- struct caml_ba_array *b = Caml_ba_array_val(vb); \
cairo_status_t status; \
\
if ((b->flags & CAML_BA_MANAGED_MASK) == CAML_BA_MAPPED_FILE) \
@@ -1610,6 +1610,7 @@ static cairo_status_t caml_cairo_image_bigarray_attach_proxy
SURFACE_CREATE_DATA(data8)
SURFACE_CREATE_DATA(data32)
+#undef b
#define SURFACE_GET_DATA(type, num_dims, dims ...) \
CAMLexport value caml_cairo_image_surface_get_##type(value vsurf) \
diff --git a/tests/image_create.ml b/tests/image_create.ml
index eec98d6..b13c206 100644
--- a/tests/image_create.ml
+++ b/tests/image_create.ml
@@ -10,6 +10,7 @@ let create() =
let () =
let cr = create() in
+ printf "With Cairo handle:\n%!";
set_source_rgb cr 1. 1. 1.;
rectangle cr 0. 0. ~w:300. ~h:300.;
fill cr;
@@ -21,9 +22,9 @@ let () =
show_text cr "Hello";
Gc.compact(); Gc.compact();
- eprintf "Write image\n%!";
+ eprintf "- Write image\n%!";
PNG.write (get_target cr) "test_image.png";
- eprintf "Finish surface\n%!";
+ eprintf "- Finish surface\n%!";
Surface.finish (get_target cr);
Gc.compact()
--
2.29.2