ports: Add libjpeg port

ports/libjpeg/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash ../install.sh
+
+NAME='libjpeg'
+VERSION='9f'
+DOWNLOAD_URL="https://www.ijg.org/files/jpegsrc.v9f.tar.gz#04705c110cb2469caa79fb71fba3d7bf834914706e9641a4589485c1f832565b"
+TAR_CONTENT="jpeg-$VERSION"
+
+install() {
+	make install DESTDIR="$BANAN_SYSROOT" || exit 1
+
+	# remove libtool files
+	rm -f $BANAN_SYSROOT/usr/lib/libjpeg.la
+}

ports/libjpeg/patches/0001-add-banan_os-target.patch

@@ -0,0 +1,13 @@
+diff -ruN jpeg-9f/config.sub jpeg-9f-banan_os/config.sub
+--- jpeg-9f/config.sub	2024-01-08 19:38:48.000000000 +0200
++++ jpeg-9f-banan_os/config.sub	2025-06-11 10:57:34.463953673 +0300
+@@ -1748,7 +1748,8 @@
+ 	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+ 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+-	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr*)
++	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
++	     | banan_os* )
+ 		;;
+ 	# This one is extra strict with allowed versions
+ 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

ports/libjpeg/patches/0002-build-shared-libraries.patch

@@ -0,0 +1,20 @@
+diff -ruN jpeg-9f/configure jpeg-9f-banan_os/configure
+--- jpeg-9f/configure	2024-01-08 19:38:44.000000000 +0200
++++ jpeg-9f-banan_os/configure	2025-06-11 11:03:15.719030091 +0300
+@@ -12944,6 +12944,16 @@
+   esac
+   ;;
+ 
++banan_os*)
++  version_type=linux # correct to gnu/linux during the next big refactor
++  need_lib_prefix=no
++  need_version=no
++  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
++  soname_spec='$libname$release$shared_ext$major'
++  dynamic_linker="$host_os DynamicLoader.so"
++  shlibpath_var=LD_LIBRARY_PATH
++  ;;
++
+ beos*)
+   library_names_spec='$libname$shared_ext'
+   dynamic_linker="$host_os ld.so"