Ports: Update emu2

This allows us to drop a patch and doesn't force us to explicitely
specify CC anymore.

Ports/AvailablePorts.md

@@ -70,7 +70,7 @@ This list is also available at [ports.serenityos.net](https://ports.serenityos.n
 | [`ed`](ed/)                                   | GNU ed                                                        | 1.22                      | https://www.gnu.org/software/ed/                                     |
 | [`edid-decode`](edid-decode/)                 | edid-decode                                                   | 20220315.cb74358c2896     | https://git.linuxtv.org/edid-decode                                  |
 | [`editline`](editline/)                       | editline                                                      | 1.17.1                    | https://github.com/troglobit/editline                                |
-| [`emu2`](emu2/)                               | emu2 DOS emulator                                             | 2021.01                   | https://github.com/dmsc/emu2                                         |
+| [`emu2`](emu2/)                               | emu2 DOS emulator                                             | 4948d1e                   | https://github.com/dmsc/emu2                                         |
 | [`epsilon`](epsilon/)                         | graphical calculator simulator                                | 15.5.0                    | https://github.com/numworks/epsilon                                  |
 | [`expat`](expat/)                             | Expat XML parser                                              | 2.5.0                     | https://libexpat.github.io/                                          |
 | [`FAudio`](FAudio/)                           | FAudio                                                        | 26.01                     | https://fna-xna.github.io/                                           |

Ports/emu2/package.sh

@@ -1,11 +1,10 @@
 #!/usr/bin/env -S bash ../.port_include.sh
 port=emu2
-version="2021.01"
+version="4948d1e12b952f0a30c7e4aa8fa380b51c0c84a7"
 files=(
-    "https://github.com/dmsc/emu2/archive/refs/tags/v${version}.tar.gz#32ea656ad9b034d2c91a20f1a9ac1779cb6905a019c5bdeda9338cfd673bbd72"
+    "https://github.com/dmsc/emu2/archive/${version}.zip#407b0a1bbd4ea561ef8b547a74d811fb705d7e0f5c72b6d7d5db5900708c5f19"
 )
 
 build() {
-    export CC="${SERENITY_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/bin/${SERENITY_ARCH}-pc-serenity-gcc"
-    run make DESTDIR="${SERENITY_INSTALL_ROOT}" CC="${CC}" "${installopts[@]}"
+    run make "${installopts[@]}"
 }

Ports/emu2/patches/0001-Include-strings.h.patch

@@ -8,7 +8,7 @@ Subject: [PATCH] Include <strings.h>
  1 file changed, 1 insertion(+)
 
 diff --git a/src/codepage.c b/src/codepage.c
-index 3916b61..9df0bd8 100644
+index a67e230dde65783a88a2ef26c493e2352f43ba5b..26fdb1ae591d9dc58e2c34a60bd04cfa2621bcc3 100644
 --- a/src/codepage.c
 +++ b/src/codepage.c
 @@ -3,6 +3,7 @@

Ports/emu2/patches/0002-Install-into-usr-local.patch

@@ -0,0 +1,22 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Gunnar Beutner <[email protected]>
+Date: Thu, 26 Feb 2026 20:36:30 +0100
+Subject: [PATCH] Install into /usr/local
+
+---
+ GNUmakefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/GNUmakefile b/GNUmakefile
+index 290e5b074c9b59123aee50e7bdbb526b0130d5fd..27ee92fdebe94da589288a763da73146162456a0 100644
+--- a/GNUmakefile
++++ b/GNUmakefile
+@@ -2,7 +2,7 @@ SHELL=/bin/sh
+ CFLAGS?=-O3
+ LDLIBS?=-lm
+ INSTALL?=install
+-PREFIX?=/usr
++PREFIX?=/usr/local
+ 
+ include platform.mk
+ 

Ports/emu2/patches/0002-Replace-a-use-of-rindex-with-strrchr.patch

@@ -1,31 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Brendan Coles <[email protected]>
-Date: Thu, 23 Dec 2021 10:26:29 +0100
-Subject: [PATCH] Replace a use of rindex() with strrchr()
-
-Co-Authored-By: Daniel Bertalan <[email protected]>
----
- src/dosnames.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/src/dosnames.c b/src/dosnames.c
-index b6122a9..582a0e2 100644
---- a/src/dosnames.c
-+++ b/src/dosnames.c
-@@ -9,6 +9,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <strings.h>
- #include <sys/stat.h>
- 
- // DOS directory entries.
-@@ -589,7 +590,7 @@ char *dos_unix_path_fcb(int addr, int force)
- static struct dos_file_list *find_first_file(char *fspec)
- {
-     // Now, separate the path to the spec
--    char *glob, *unixpath, *p = rindex(fspec, '/');
-+    char *glob, *unixpath, *p = strrchr(fspec, '/');
-     if(!p)
-     {
-         glob = fspec;

Ports/emu2/patches/0003-Don-t-use-setitimer.patch

@@ -5,25 +5,17 @@ Subject: [PATCH] Don't use setitimer()
 
 Co-Authored-By: Tim Schumacher <[email protected]>
 ---
- src/main.c | 7 +------
- 1 file changed, 1 insertion(+), 6 deletions(-)
+ src/main.c | 6 ------
+ 1 file changed, 6 deletions(-)
 
 diff --git a/src/main.c b/src/main.c
-index d0c0d2f..7e313a0 100644
+index 7d9c9f59d915cbb09c8b973417b053e2ab277602..baa4fde91fdfee4bc97dc4b2ba3ff1d59c6bc246 100644
 --- a/src/main.c
 +++ b/src/main.c
-@@ -12,6 +12,7 @@
- #include <errno.h>
- #include <fcntl.h>
- #include <math.h>
-+#include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-@@ -304,12 +305,6 @@ int main(int argc, char **argv)
-     signal(SIGQUIT, exit_handler);
-     signal(SIGPIPE, exit_handler);
-     signal(SIGTERM, exit_handler);
+@@ -336,12 +336,6 @@ int main(int argc, char **argv)
+     sigaction(SIGQUIT, &exit_action, NULL);
+     sigaction(SIGPIPE, &exit_action, NULL);
+     sigaction(SIGTERM, &exit_action, NULL);
 -    struct itimerval itv;
 -    itv.it_interval.tv_sec = 0;
 -    itv.it_interval.tv_usec = 54925;
@@ -31,5 +23,5 @@ index d0c0d2f..7e313a0 100644
 -    itv.it_value.tv_usec = 54925;
 -    setitimer(ITIMER_REAL, &itv, 0);
      init_bios_mem();
+     video_init_mem();
      while(1)
-     {

Ports/emu2/patches/0003-Install-into-usr-local.patch

@@ -1,22 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Gunnar Beutner <[email protected]>
-Date: Thu, 15 Apr 2021 15:43:18 +0200
-Subject: [PATCH] Install into /usr/local
-
----
- Makefile | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/Makefile b/Makefile
-index 80dd6ec..7026600 100644
---- a/Makefile
-+++ b/Makefile
-@@ -2,7 +2,7 @@ CC=gcc
- CFLAGS=-O3 -flto -Wall -g -Werror=implicit-function-declaration -Werror=int-conversion
- LDLIBS=-lm
- INSTALL=install
--PREFIX=/usr
-+PREFIX=/usr/local
- 
- OBJS=\
-  cpu.o\

Ports/emu2/patches/ReadMe.md

@@ -5,17 +5,12 @@
 Include <strings.h>
 
 
-## `0002-Replace-a-use-of-rindex-with-strrchr.patch`
-
-Replace a use of rindex() with strrchr()
-
-
-## `0003-Install-into-usr-local.patch`
+## `0002-Install-into-usr-local.patch`
 
 Install into /usr/local
 
 
-## `0004-Don-t-use-setitimer.patch`
+## `0003-Don-t-use-setitimer.patch`
 
 Don't use setitimer()