Ports: Add libtheora

Author: https://github.com/gmta
Commit: https://github.com/SerenityOS/serenity/commit/c1c6002e281
Pull-request: https://github.com/SerenityOS/serenity/pull/6693

Ports/AvailablePorts.md

@@ -57,6 +57,7 @@ Please make sure to keep this list up to date when adding and updating ports. :^
 | [`libogg`](libogg/)                    | libogg                                                     | 1.3.4                    | https://github.com/xiph/ogg                                                    |
 | [`libpng`](libpng/)                    | libpng                                                     | 1.6.37                   | https://libpng.org/                                                            |
 | [`libpuffy`](libpuffy/)                | libpuffy                                                   | 1.0                      | https://github.com/ibara/libpuffy                                              |
+| [`libtheora`](libtheora/)              | libtheora                                                  | 1.1.1                    | https://www.theora.org/                                                        |
 | [`libtiff`](libtiff/)                  | libtiff                                                    | 4.2.0                    | http://www.libtiff.org/                                                        |
 | [`libtool`](libtool/)                  | libtool                                                    | 2.4                      | https://www.gnu.org/software/libtool/                                          |
 | [`libvorbis`](libvorbis/)              | libvorbis                                                  | 1.3.7                    | https://github.com/xiph/vorbis                                                 |

Ports/libtheora/package.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env -S bash ../.port_include.sh
+port=libtheora
+version=1.1.1
+useconfigure=true
+files="https://downloads.xiph.org/releases/theora/libtheora-${version}.tar.bz2 libtheora-${version}.tar.bz2 b6ae1ee2fa3d42ac489287d3ec34c5885730b1296f0801ae577a35193d3affbc"
+auth_type="sha256"
+depends="libvorbis"
+configopts="--disable-examples"
+
+build_shared() {
+    local name=$1
+    ${CC} -shared -o ${SERENITY_INSTALL_ROOT}/usr/local/lib/${name}.so -Wl,-soname,${name}.so -Wl,--whole-archive ${SERENITY_INSTALL_ROOT}/usr/local/lib/${name}.a -Wl,--no-whole-archive
+    rm -f ${SERENITY_INSTALL_ROOT}/usr/local/lib/${name}.la
+}
+
+install() {
+    run make DESTDIR=${SERENITY_INSTALL_ROOT} $installopts install
+    build_shared libtheora
+    build_shared libtheoradec
+    build_shared libtheoraenc
+}

Ports/libtheora/patches/config.sub.patch

@@ -0,0 +1,11 @@
+--- libtheora-1.1.1/config.sub	2009-02-24 04:50:50.000000000 +0100
++++ libtheora-1.1.1-patched/config.sub	2021-04-27 21:07:46.414544609 +0200
+@@ -1093,7 +1093,7 @@
+ 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+ 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+ 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+-	      | -aos* \
++	      | -aos* | -serenity* \
+ 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ 	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \