unison-snapshot: Add pending upstream patch for BSD make supporting $^

[Greg Troxel (via pkgsrc-wip) <commit-notify%pkgsrc.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Greg Troxel <gdt%lexort.com@localhost>
Pushed By:	gdt
Date:		Tue Jul 29 06:45:17 2025 -0400
Changeset:	baab340e97df53fc0b8edf9f401b743cd91743fb

Modified Files:
	unison-snapshot/Makefile
	unison-snapshot/distinfo
Added Files:
	unison-snapshot/patches/patch-src_Makefile
	unison-snapshot/patches/patch-src_make__tools.ml

Log Message:
unison-snapshot: Add pending upstream patch for BSD make supporting $^

(This is not baked and in wip to ease testing.)

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=baab340e97df53fc0b8edf9f401b743cd91743fb

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 unison-snapshot/Makefile                         |  2 +-
 unison-snapshot/distinfo                         |  2 ++
 unison-snapshot/patches/patch-src_Makefile       | 22 ++++++++++++++++++++++
 unison-snapshot/patches/patch-src_make__tools.ml | 20 ++++++++++++++++++++
 4 files changed, 45 insertions(+), 1 deletion(-)

diffs:
diff --git a/unison-snapshot/Makefile b/unison-snapshot/Makefile
index dc295dfddc..d14763909f 100644
--- a/unison-snapshot/Makefile
+++ b/unison-snapshot/Makefile
@@ -3,7 +3,7 @@
 # master after 2.53.7.
 # 2025-07-27
 DISTNAME=	unison-2.53.7.53
-#PKGREVISION=	0
+PKGREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	${MASTER_SITE_GITHUB:=bcpierce00/}
 GITHUB_TAG=	aa11d8794640888cb96ac8213a7aa9ad6eae20fe
diff --git a/unison-snapshot/distinfo b/unison-snapshot/distinfo
index 1c18dea357..5807311a85 100644
--- a/unison-snapshot/distinfo
+++ b/unison-snapshot/distinfo
@@ -3,3 +3,5 @@ $NetBSD: distinfo,v 1.40 2024/05/07 23:52:11 gdt Exp $
 BLAKE2s (unison-2.53.7.53-aa11d8794640888cb96ac8213a7aa9ad6eae20fe.tar.gz) = 6e5b89b855f4a92de99a1951d6a0804bf5ea749c2169d6cc7491b405a4638501
 SHA512 (unison-2.53.7.53-aa11d8794640888cb96ac8213a7aa9ad6eae20fe.tar.gz) = 85aef87ed31392403d526c1dca752891823195e1839fd448f8f78f0a7db7335ce1c9694b35418bb13ae2f134c26aa8a8bc5dc7e71184b6a6c6135a548fa07dac
 Size (unison-2.53.7.53-aa11d8794640888cb96ac8213a7aa9ad6eae20fe.tar.gz) = 1432049 bytes
+SHA1 (patch-src_Makefile) = 44d3b09b222bcc27faf4950e455b7c81d6177f60
+SHA1 (patch-src_make__tools.ml) = 1edfbe787d81c378143bf7f2263ab89d1d594274
diff --git a/unison-snapshot/patches/patch-src_Makefile b/unison-snapshot/patches/patch-src_Makefile
new file mode 100644
index 0000000000..8e64da37ef
--- /dev/null
+++ b/unison-snapshot/patches/patch-src_Makefile
@@ -0,0 +1,22 @@
+$NetBSD$
+
+Determine if $^ is supported.
+
+Taken from a pending upstream patch.
+
+--- src/Makefile.orig	2025-07-26 12:17:25.000000000 +0000
++++ src/Makefile
+@@ -16,10 +16,11 @@ default: all
+ .PHONY: default
+
+ # Executed only by BSD make
+-.BEGIN:
++.BEGIN: FRC
+	@touch _mk.cfg
+-	@ocaml make_tools.ml conf > Makefile.cfg
++	@ocaml make_tools.ml conf BSD_HAS_CF="$^" BSD_HAS_GT="$>" > Makefile.cfg
+	@ocaml make_tools.ml conf2 > Makefile2.cfg
++FRC: ;
+
+ # Executed only by Solaris dmake
+ .INIT:
diff --git a/unison-snapshot/patches/patch-src_make__tools.ml b/unison-snapshot/patches/patch-src_make__tools.ml
new file mode 100644
index 0000000000..ac55302cca
--- /dev/null
+++ b/unison-snapshot/patches/patch-src_make__tools.ml
@@ -0,0 +1,20 @@
+$NetBSD$
+
+Use $^ if supported.
+
+Taken from a pending upstream patch.
+
+--- src/make_tools.ml.orig	2025-07-26 12:17:25.000000000 +0000
++++ src/make_tools.ml
+@@ -255,8 +255,10 @@ let () = "WINDRES" <--
+   end) ^ "windres"
+
+ let () =
+-  if is_empty inputs.$("_NMAKE_VER") then
+-    "ALL__SRC" <-- "$^$>"  (* First one is for GNU and POSIX make, the other for BSD make *)
++  if is_empty inputs.$("BSD_HAS_CF") && not_empty inputs.$("BSD_HAS_GT") then
++    "ALL__SRC" <-- "$>"    (* Older versions of BSD make *)
++  else if is_empty inputs.$("_NMAKE_VER") then
++    "ALL__SRC" <-- "$^"    (* GNU and POSIX make, new versions of BSD make *)
+   else
+     "ALL__SRC" <-- "$(**)" (* NMAKE; enclose in brackets for safety if not run by NMAKE *)