gnu: Add zig-0.10.0-747.

* gnu/packages/patches/zig-0.10.0-747-CallOptions.patch: New file.
* gnu/local.mk (dist_patch_DATA): Regisiter it.
* gnu/packages/zig.scm (zig-0.10.0-747): New variable.

Change-Id: I06e3255cbb3a4ddea28a7d663c8f72040ce993af

3 files changed, 63 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 2aea9ffe0b..eed2bc766e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -2421,6 +2421,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/zig-0.10-use-system-paths.patch		\
   %D%/packages/patches/zig-0.10.0-610-bootstrap-resolve-conflicts.patch	\
   %D%/packages/patches/zig-0.10.0-675-TypeOf-hack.patch		\
+  %D%/packages/patches/zig-0.10.0-747-CallOptions.patch		\
   %D%/packages/patches/zsh-egrep-failing-test.patch		\
   %D%/packages/patches/zuo-bin-sh.patch
 
diff --git a/gnu/packages/patches/zig-0.10.0-747-CallOptions.patch b/gnu/packages/patches/zig-0.10.0-747-CallOptions.patch
new file mode 100644
index 0000000000..78c2244603
--- /dev/null
+++ b/gnu/packages/patches/zig-0.10.0-747-CallOptions.patch
@@ -0,0 +1,28 @@
+From 27f2553c1c53ec417181dfe30104df993dffdab1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
+Date: Tue, 5 Nov 2024 06:20:19 +0200
+Subject: [PATCH] 0.10.0-747-g7b2a936173 CallOptions + zig2-only
+
+---
+ CMakeLists.txt      | 19 -------------------
+ lib/std/builtin.zig |  5 +++++
+ 2 files changed, 5 insertions(+), 19 deletions(-)
+
+diff --git a/lib/std/builtin.zig b/lib/std/builtin.zig
+index eb1212607d..5278906d43 100644
+--- a/lib/std/builtin.zig
++++ b/lib/std/builtin.zig
+@@ -1,5 +1,10 @@
+ const builtin = @import("builtin");
+ 
++pub const CallOptions = struct {
++    modifier: CallModifier = .auto,
++    stack: ?[]align(std.Target.stack_align) u8 = null,
++};
++
+ /// `explicit_subsystem` is missing when the subsystem is automatically detected,
+ /// so Zig standard library has the subsystem detection logic here. This should generally be
+ /// used rather than `explicit_subsystem`.
+-- 
+2.44.1
+
diff --git a/gnu/packages/zig.scm b/gnu/packages/zig.scm
index b54e3c4622..ec01109ce6 100644
--- a/gnu/packages/zig.scm
+++ b/gnu/packages/zig.scm
@@ -440,4 +440,38 @@ toolchain.  Among other features it provides
          (prepend zstd)
          (replace "zig" `(,base "zig1")))))))
 
+;; Supply zig2, build zig1.wasm, install zig1.wasm.
+(define zig-0.10.0-747
+  (let ((commit "7b2a936173165002105ba5e76bed69654e132fea")
+        (revision "747")
+        (base zig-0.10.0-722))
+    (package
+      (inherit base)
+      (name "zig")
+      (version (git-version "0.10.0" revision commit))
+      (source
+       (origin
+         (inherit (zig-source
+                   version commit
+                   "1z5ndywk4d1dcv2k3bw3n2zgjr3ysf3bi2ac4jhwqgnmzsw498wd"))
+         (patches (search-patches "zig-0.10.0-747-CallOptions.patch"))))
+      (arguments
+       (substitute-keyword-arguments (package-arguments zig-0.10.0-722)
+         ;; zig1.wasm is architecture-independent.
+         ((#:target _ #f) #f)
+         ((#:phases phases '%standard-phases)
+          #~(modify-phases #$phases
+              (replace 'build-zig1
+                (lambda _
+                  (invoke "zig2" "build" "--zig-lib-dir" "lib"
+                          "update-zig1" "--verbose")))
+              (delete 'prepare-source)
+              (delete 'configure)
+              (delete 'build)
+              (delete 'install)))))
+      (native-inputs
+       (modify-inputs (package-native-inputs base)
+         (replace "zig" `(,base "out"))
+         (delete "zstd"))))))
+
 (define-public zig zig-0.10)