#!/bin/bash -x 

BUILD_ROOT="$(pwd)"
ROOT_LOG_FOLDER="$BUILD_ROOT/Logs"
VERIFY="true"
PLATFORM="AppleTVOS"
PLATFORM_LOWER="appletvos"
SDK_VERSION="$(xcrun --show-sdk-version --sdk $PLATFORM_LOWER)"
ROOT_PREFIX="fs/jb/usr"
SKEL_PREFIX="$BUILD_ROOT/skel"
ALREADY_BUILT="$BUILD_ROOT/tracked"
CLANG_PATH="$(xcrun -f clang)"
CLANGPLUS_PATH="$(xcrun -f clang++)"
MIN_VERSION="-mappletvos-version-min=13.0"
ARCH="arm64"
SDK_PATH="$(xcrun --sdk $PLATFORM_LOWER --show-sdk-path)"
SPEAK="true"
EXTRA_LD_FLAGS=""
HOST="aarch64"

if [[ ! -d $ALREADY_BUILT ]]; then
	mkdir -p $ALREADY_BUILT
fi

sayIfVerbal() {
	if [[ $SPEAK == "true" ]]; then
		say $1
	fi
}

spinner() {
	local pid=$!
	local delay=0.75
	local spinstr='|/-\'
	while [ "$(ps a | awk '{print $1}' | grep $pid)" ]; do
		local temp=${spinstr#?}
		printf "  [%c]" "$spinstr"
		local spinstr=$temp${spinstr%"$temp"}
		sleep $delay
		printf "\b\b\b\b\b"
	done

	wait $pid
	return $?
}

setBuilt() {
	DIRECTORY_NAME=$1
	FULL=$ALREADY_BUILT/$DIRECTORY_NAME
	touch "$FULL"
}

checkStatus() {
	PKG=$1
	STATUS=$2
	FINISHED=$3
	if [[ $STATUS != 0 ]]; then
		echo "configure or make $PKG returned with non zero: $STATUS check $LOG_FILE for errors!"
		open $LOG_FILE
		exit $STATUS
	else
		echo "make returned with zero"
		if [[ $FINISHED == "true" ]]; then
			setBuilt $PKG
		fi
	fi

}

checkBuilt() {
	DIRECTORY_NAME=$1
	FULL=$ALREADY_BUILT/$DIRECTORY_NAME
	if [[ ! -f $FULL ]]; then
		echo 0
		return 0
	fi
	echo 1
	return 1
}

notifyProgress() {
	echo "$1"
	sayIfVerbal "$1"
}

checkSHA256() {
	if [[ "$VERIFY" == "true" ]]; then
		FILE="$1"
		VALID_SHA="$2"
		VERIFY_TEST="`shasum -a 256 $FILE | cut -c 1-64`"
		if [[ "$VERIFY_TEST" != "$VALID_SHA" ]]; then
			echo "Failed to validate SHA256 signature for $FILE"
			trap - INT TERM EXIT
			exit 127
		fi
		echo "*** VALID SIGNATURE"
	fi
}

checkPGPSig() {
	if [[ "$VERIFY" == "true" ]]; then
		SIGFILE="$1"
		FILE="$2"
		local VERIFY_TEST="`gpg --verify $SIGFILE $FILE 2>&1 | grep 'Good signature'`"
		if [[ "$VERIFY_TEST" == "" ]]; then
			echo "Failed to validate PGP signature for $FILE"
			trap - INT TERM EXIT
			exit 127
		fi
		echo "*** VALID SIGNATURE"
	fi
}

buildProduct() {
	PKG_NAME=$1
	EXTRA_CFG=$2
	LOG_FILE="$ROOT_LOG_FOLDER/$PKG_NAME.log"
	touch $LOG_FILE
	echo $PKG_NAME
	echo "build output going to: " $LOG_FILE
	echo $EXTRA_CFG
	export SDKROOT=$(xcrun --sdk $PLATFORM_LOWER --show-sdk-path)
	export VER_MIN=13.0
	export CC=$(xcrun --sdk $PLATFORM_LOWER --find clang)
	export CXX=$(xcrun --sdk $PLATFORM_LOWER --find clang++)
	export LD=$(xcrun --sdk $PLATFORM_LOWER --find ld)
	export AR=$(xcrun --sdk $PLATFORM_LOWER --find ar)
	export CPP="$(xcrun --sdk $PLATFORM_LOWER -f clang) -E -D__arm__ -D__arm64__"
	export CXXCPP="$(xcrun --sdk $PLATFORM_LOWER -f clang++) -E -D__arm__ -D__arm64__"
	export RANLIB=$(xcrun --sdk $PLATFORM_LOWER --find ranlib)
	export LIBTOOL=$(xcrun --sdk $PLATFORM_LOWER --find libtool)
	export STRIP=$(xcrun --sdk $PLATFORM_LOWER --find strip)
	export CFLAGS="-arch arm64 -isysroot $SDKROOT -m$PLATFORM_LOWER-version-min=$VER_MIN -I$SKEL_PREFIX/$ROOT_PREFIX/include/ -DARM -DARM64 -D__arm64__ -Wno-unused-command-line-argument"
	export CXXFLAGS=$CFLAGS
	export LDFLAGS="-arch arm64 -isysroot $SDKROOT -L$SKEL_PREFIX/$ROOT_PREFIX/lib/ $EXTRA_LD_FLAGS"
	sayIfVerbal "configuring $PKG_NAME"
	./configure --prefix=/$ROOT_PREFIX --host=$HOST-apple-darwin --target=$HOST-apple-darwin --disable-dependency-tracking --without-manpages --disable-tests $EXTRA_CFG
	#(./configure --prefix=/$ROOT_PREFIX --host=$HOST-apple-darwin --target=$HOST-apple-darwin --disable-dependency-tracking --without-manpages --disable-tests $EXTRA_CFG > "${LOG_FILE}" 2>&1) #& spinner
	checkStatus $PKG_NAME $? "false"
	sayIfVerbal "making $PKG_NAME"
	echo "\n\nPOST CONFIGURE\n\n" >> "$LOG_FILE"
	make -j8 DESTDIR="$SKEL_PREFIX" install
	#(make -j8 DESTDIR="$SKEL_PREFIX" install >> "${LOG_FILE}" 2>&1) #& spinner
	checkStatus $PKG_NAME $? "true"
	#if [[ $? != 0 ]]; then
	#    echo "make returned with non zero: $?"
	#    exit $?
	#else
	#    echo "make returned with zero"
	#    setBuilt $PKG_NAME
	#fi
	cd "$BUILD_ROOT"
}

downloadProduct() {
	DOWNLOAD_LINK=$1
	FILENAME=$(basename $DOWNLOAD_LINK)
	SIG_DOWNLOAD=$2
	RAW_NAME=$3
	VERSION=$4
	FILE_EXTENSION="${FILENAME##*.}"
	DIRECTORY_NAME="$RAW_NAME-$VERSION"
	SIG_FILE=$(basename $SIG_DOWNLOAD)

	if [[ ! -e $FILENAME ]]; then
		echo "Downloading $FILENAME"
		curl -LO $DOWNLOAD_LINK
		if [[ ! $SIG_FILE == "-" ]]; then
			curl -LO $SIG_DOWNLOAD
			checkPGPSig $SIG_FILE $FILENAME
		fi
	else
		echo "Using existing $FILENAME"
	fi
	rm -rf $DIRECTORY_NAME
	if [[ $FILE_EXTENSION == "gz" ]]; then
		echo "is gz file!"
		tar xzvf $FILENAME
	fi
	if [[ $FILE_EXTENSION == "xz" ]]; then
		echo "is lzma file!"
		tar xJvf $FILENAME
	fi
	if [[ $FILE_EXTENSION == "bz2" ]]; then
		echo "is bzip2 file!"
		tar xjvf $FILENAME
	fi
	WORKING_DIR=$DIRECTORY_NAME
	PKG_VERSION=$VERSION-1
	cd "$WORKING_DIR"

    #buildProduct
}

patchBash() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|^#undef HAVE_SYS_SIGLIST$|#define HAVE_SYS_SIGLIST 1|' config.h.in
	fi
}

patchDpkg() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- "s|#define ARCHITECTURE \"darwin-arm\"|#define ARCHITECTURE \"$PLATFORM_LOWER-$ARCH\"|" config.h
			sed -i -- 's|gtar|tar|' config.h
	fi
}


# DONT USE UNLESS YOU ARE ON 11+; OVERWRITE BASH (or any other apple-signed file, for that matter), LEAD TO BRICK
# 10.2 and up
buildBashAndFriends() {
	notifyProgress "Building readline"
	buildReadline
	notifyProgress "Building ncurses"
	buildNcurses
	#notifyProgress "Building bash"
	#buildBash
}

buildReadline() {
	PKG_NAME="readline-7.0"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"

	else
		echo "building $PKG_NAME..."
		downloadProduct http://gnu.askapache.com/readline/readline-7.0.tar.gz http://gnu.askapache.com/readline/readline-7.0.tar.gz.sig readline 7.0
		buildProduct $PKG_NAME
	fi

}

fixSystem() {
	FILE="$1"
	echo '#define PROC_PIDPATHINFO_MAXSIZE  (1024)' >> "$FILE"
	echo 'static int file_exist(const char *filename) {' >> "$FILE"
	echo '    struct stat buffer;' >> "$FILE"
	echo '    int r = stat(filename, &buffer);' >> "$FILE"
	echo '    return (r == 0);' >> "$FILE"
	echo '}' >> "$FILE"
	echo '' >> "$FILE"
	echo 'static char *searchpath(const char *binaryname){' >> "$FILE"
	echo '    if (strstr(binaryname, "/") != NULL){' >> "$FILE"
	echo '        if (file_exist(binaryname)){' >> "$FILE"
	echo '            char *foundpath = malloc((strlen(binaryname) + 1) * (sizeof(char)));' >> "$FILE"
	echo '            strcpy(foundpath, binaryname);' >> "$FILE"
	echo '            return foundpath;' >> "$FILE"
	echo '        } else {' >> "$FILE"
	echo '        return NULL;' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *pathvar = getenv("PATH");' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *dir = strtok(pathvar,":");' >> "$FILE"
	echo '    while (dir != NULL){' >> "$FILE"
	echo '        char searchpth[PROC_PIDPATHINFO_MAXSIZE];' >> "$FILE"
	echo '        strcpy(searchpth, dir);' >> "$FILE"
	echo '        strcat(searchpth, "/");' >> "$FILE"
	echo '        strcat(searchpth, binaryname);' >> "$FILE"
	echo '        ' >> "$FILE"
	echo '        if (file_exist(searchpth)){' >> "$FILE"
	echo '            char *foundpath = malloc((strlen(searchpth) + 1) * (sizeof(char)));' >> "$FILE"
	echo '            strcpy(foundpath, searchpth);' >> "$FILE"
	echo '            return foundpath;' >> "$FILE"
	echo '        }' >> "$FILE"
	echo '        ' >> "$FILE"
	echo '        dir = strtok(NULL, ":");' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    return NULL;' >> "$FILE"
	echo '}' >> "$FILE"
	echo '' >> "$FILE"
	echo 'static int isShellScript(const char *path){' >> "$FILE"
	echo '    FILE *file = fopen(path, "r");' >> "$FILE"
	echo '    uint8_t header[2];' >> "$FILE"
	echo '    if (fread(header, sizeof(uint8_t), 2, file) == 2){' >> "$FILE"
	echo "        if (header[0] == '#' && header[1] == '!'){" >> "$FILE"
	echo '            fclose(file);' >> "$FILE"
	echo '            return 1;' >> "$FILE"
	echo '        }' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    fclose(file);' >> "$FILE"
	echo '    return -1;' >> "$FILE"
	echo '}' >> "$FILE"
	echo '' >> "$FILE"
	echo 'static char *getInterpreter(char *path){' >> "$FILE"
	echo '    FILE *file = fopen(path, "r");' >> "$FILE"
	echo '    char *interpreterLine = NULL;' >> "$FILE"
	echo '    unsigned long lineSize = 0;' >> "$FILE"
	echo '    getline(&interpreterLine, &lineSize, file);' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *rawInterpreter = (interpreterLine+2);' >> "$FILE"
	echo '    rawInterpreter = strtok(rawInterpreter, " ");' >> "$FILE"
	echo '    rawInterpreter = strtok(rawInterpreter, "\n");' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *interpreter = malloc((strlen(rawInterpreter)+1) * sizeof(char));' >> "$FILE"
	echo '    strcpy(interpreter, rawInterpreter);' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    free(interpreterLine);' >> "$FILE"
	echo '    fclose(file);' >> "$FILE"
	echo '    return interpreter;' >> "$FILE"
	echo '}' >> "$FILE"
	echo '' >> "$FILE"
	echo 'static char *fixedCmd(const char *cmdStr){' >> "$FILE"
	echo '    char *cmdCpy = malloc((strlen(cmdStr)+1) * sizeof(char));' >> "$FILE"
	echo '    strcpy(cmdCpy, cmdStr);' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *cmd = strtok(cmdCpy, " ");' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    uint8_t size = strlen(cmd) + 1;' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *args = cmdCpy + size;' >> "$FILE"
	echo '    if ((strlen(cmdStr) - strlen(cmd)) == 0)' >> "$FILE"
	echo '        args = NULL;' >> "$FILE"
	echo '    ' >> "$FILE"
	echo '    char *abs_path = searchpath(cmd);' >> "$FILE"
	echo '    if (abs_path){' >> "$FILE"
	echo '        int isScript = isShellScript(abs_path);' >> "$FILE"
	echo '        if (isScript == 1){' >> "$FILE"
	echo '            char *interpreter = getInterpreter(abs_path);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            uint8_t commandSize = strlen(interpreter) + 1 + strlen(abs_path);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            if (args){' >> "$FILE"
	echo '                commandSize += 1 + strlen(args);' >> "$FILE"
	echo '            }' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            char *rawCommand = malloc(sizeof(char) * (commandSize + 1));' >> "$FILE"
	echo '            strcpy(rawCommand, interpreter);' >> "$FILE"
	echo '            strcat(rawCommand, " ");' >> "$FILE"
	echo '            strcat(rawCommand, abs_path);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            if (args){' >> "$FILE"
	echo '                strcat(rawCommand, " ");' >> "$FILE"
	echo '                strcat(rawCommand, args);' >> "$FILE"
	echo '            }' >> "$FILE"
	echo '        rawCommand[(commandSize)+1] = "\0";' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            free(interpreter);' >> "$FILE"
	echo '            free(abs_path);' >> "$FILE"
	echo '            free(cmdCpy);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            return rawCommand;' >> "$FILE"
	echo '        } else {' >> "$FILE"
	echo '            uint8_t commandSize = strlen(abs_path);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            if (args){' >> "$FILE"
	echo '                commandSize += 1 + strlen(args);' >> "$FILE"
	echo '            }' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            char *rawCommand = malloc(sizeof(char) * (commandSize + 1));' >> "$FILE"
	echo '            strcat(rawCommand, abs_path);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            if (args){' >> "$FILE"
	echo '                strcat(rawCommand, " ");' >> "$FILE"
	echo '                strcat(rawCommand, args);' >> "$FILE"
	echo '            }' >> "$FILE"
	echo '        rawCommand[(commandSize)+1] = "\0";' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            free(abs_path);' >> "$FILE"
	echo '            free(cmdCpy);' >> "$FILE"
	echo '            ' >> "$FILE"
	echo '            return rawCommand;' >> "$FILE"
	echo '        }' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    return cmdCpy;' >> "$FILE"
	echo '}' >> "$FILE"
	echo '' >> "$FILE"
	echo 'int RunCmd(const char *cmd) {' >> "$FILE"
	echo '    pid_t pid;' >> "$FILE"
	echo '    char *rawCmd = fixedCmd(cmd);' >> "$FILE"
	echo '    char *argv[] = {"sh", "-c", (char*)rawCmd, NULL};' >> "$FILE"
	echo '    int status;' >> "$FILE"
	echo '    status = posix_spawn(&pid, "/bin/sh", NULL, NULL, argv, environ);' >> "$FILE"
	echo '    if (status == 0) {' >> "$FILE"
	echo '        if (waitpid(pid, &status, 0) == -1) {' >> "$FILE"
	echo '            perror("waitpid");' >> "$FILE"
	echo '        }' >> "$FILE"
	echo '    } else {' >> "$FILE"
	echo '        printf("posix_spawn: %s\n", strerror(status));' >> "$FILE"
	echo '    }' >> "$FILE"
	echo '    free(rawCmd);' >> "$FILE"
	echo '    return status;' >> "$FILE"
	echo '}' >> "$FILE"
}

patchNcurses() {
	PKG_NAME=$1
	echo "patchNCurses PKG_NAME: $PKG_NAME"
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		#if [[ "$PKG_VERSION" == "6.0-1" ]]; then
		# LEFT ERROR ON environ)' no ;
		# For some reason, building never fails on the error...
		# But still, tput is in /usr/bin... so.... ??
		cat progs/tput.c | head -n 55 > tput.patched.c
		echo "#include <stdint.h>" >> tput.patched.c
		echo "#include <stdio.h>" >> tput.patched.c
		echo "#include <stdlib.h>" >> tput.patched.c
		echo "#include <spawn.h>" >> tput.patched.c
		echo "#include <sys/wait.h>" >> tput.patched.c
		echo "" >> tput.patched.c
		echo "extern char **environ;" >> tput.patched.c
		echo "" >> tput.patched.c
		cat progs/tput.c | tail -n 350 | head -n 50 >> tput.patched.c
		fixSystem "tput.patched.c"
		cat progs/tput.c | tail -n 301 | sed 's/system(init_prog)/RunCmd(init_prog)/g' >> tput.patched.c
		cp tput.patched.c progs/tput.c
		#fi
	fi
	sed -i -- 's|#include <stdlib.h>|\n#if !defined(__arm64__)\n#define    __arm64__\n#endif\n\n#include <stdlib.h>|' ncurses/build.priv.h
		#CURSES_PRIV="$SKEL_PREFIX/$ROOT_PREFIX/include/curses.priv.h"
			#FIFO="$SKEL_PREFIX/$ROOT_PREFIX/include/fifo_defs.h"
			#BUILD_P="$SKEL_PREFIX/$ROOT_PREFIX/include/build.priv.h"
			#if [[ ! -f "$CURSES_PRIV" ]]; then
			#   cp $BUILD_ROOT/$1/ncurses/*.h "$SKEL_PREFIX/$ROOT_PREFIX/include/"
			#cp "$BUILD_ROOT/$1/ncurses/fifo_defs.h" "$FIFO"
			#cp "$BUILD_ROOT/$1/ncurses/build.priv.h" "$BUILD_P"

    #fi
}

#https://git.elucubratus.com/elucubratus/elucubratus/-/raw/master/data/ncurses/ncurses_6.1+20181013.orig.tar.gz

buildNcurses() {
	PKG_NAME="ncurses-6.1-20181013"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://git.elucubratus.com/elucubratus/elucubratus/-/raw/master/data/ncurses/ncurses_6.1+20181013.orig.tar.gz - ncurses 6.1-20181013
		patchNcurses $PKG_NAME
		buildProduct $PKG_NAME
	fi
}

#https://git.elucubratus.com/elucubratus/elucubratus/-/raw/master/data/bash/bash-5.0.tar.gz

buildBash() {
	PKG_NAME="bash-5.0"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://git.elucubratus.com/elucubratus/elucubratus/-/raw/master/data/bash/bash-5.0.tar.gz - bash 5.0
		patchBash
		buildProduct $PKG_NAME "--disable-nls --with-installed-readline --disable-largefile bash_cv_dev_fd=absent bash_cv_sys_named_pipes=present bash_cv_job_control_missing=present bash_cv_func_sigsetjmp=present bash_cv_func_ctype_nonascii=no bash_cv_must_reinstall_sighandlers=no bash_cv_func_strcoll_broken=yes ac_cv_c_stack_direction=-1 ac_cv_func_mmap_fixed_mapped=yes gt_cv_int_divbyzero_sigfpe=no ac_cv_func_setvbuf_reversed=no ac_cv_func_strcoll_works=yes ac_cv_func_working_mktime=yes ac_cv_type_getgroups=gid_t bash_cv_dup2_broken=no ac_cv_prog_cc_g=no ac_cv_rl_version=6.0"
	fi

}

buildSed() {
	PKG_NAME="sed-4.4"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://ftp.gnu.org/gnu/sed/sed-4.4.tar.xz https://ftp.gnu.org/gnu/sed/sed-4.4.tar.xz.sig sed 4.4
		buildProduct $PKG_NAME
	fi
}

buildGrep() {
	PKG_NAME="grep-3.0"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://ftp.gnu.org/gnu/grep/grep-3.0.tar.xz https://ftp.gnu.org/gnu/grep/grep-3.0.tar.xz.sig grep 3.0
		buildProduct $PKG_NAME
	fi
}

patchCoreutils() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|#undef HAVE_CLOCK_GETTIME||' lib/config.hin
			sed -i -- 's|#undef HAVE_CLOCK_SETTIME||' lib/config.hin
			sed -i -- 's|#undef HAVE_FDATASYNC||' lib/config.hin
			sed -i -- 's|# define __stpncpy stpncpy||' lib/stpncpy.c
			if [[ ! -d "$SKEL_PREFIX/$ROOT_PREFIX/include" ]]; then
				mkdir -p "$SKEL_PREFIX/$ROOT_PREFIX/include"
			fi
			if [[ ! -e "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h" ]]; then
				echo "#include <sys/cdefs.h>" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "__BEGIN_DECLS" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "extern char ***_NSGetArgv(void);" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "extern int *_NSGetArgc(void);" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "extern char ***_NSGetEnviron(void);" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "extern char **_NSGetProgname(void);" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "extern struct mach_header *_NSGetMachExecuteHeader(void);" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
				echo "__END_DECLS" >> "$SKEL_PREFIX/$ROOT_PREFIX/include/crt_externs.h"
			fi
	fi
}

buildCoreutils() {
	PKG_NAME="coreutils-8.9"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct http://gnu.mirror.constant.com/coreutils/coreutils-8.9.tar.xz http://gnu.mirror.constant.com/coreutils/coreutils-8.9.tar.xz.sig coreutils 8.9
		patchCoreutils
		export HOST="arm"
		buildProduct $PKG_NAME
		export HOST="aarch64"
	fi
}

buildFindUtils() {
	PKG_NAME="findutils-4.6.0"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct http://mirror.keystealth.org/gnu/findutils/findutils-4.6.0.tar.gz - findutils 4.6.0
		buildProduct $PKG_NAME
	fi
}

buildDiffUtils() {
	PKG_NAME="diffutils-3.6"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct http://ftp.gnu.org/gnu/diffutils/diffutils-3.6.tar.xz http://ftp.gnu.org/gnu/diffutils/diffutils-3.6.tar.xz.sig diffutils 3.6
		buildProduct $PKG_NAME
	fi
}

downloadDarwinTools() {
	if [[ ! -d DarwinToolsARM ]]; then
		echo "Fetching DarwinTools"
		mkdir -p DarwinToolsARM
		cd DarwinToolsARM
		curl -LO https://opensource.apple.com/source/DarwinTools/DarwinTools-1/sw_vers.c
		#Not built yet
		curl -LO https://opensource.apple.com/source/launchd/launchd-842.92.1/support/launchctl.c
		#sw_vers.c
		checkSHA256 sw_vers.c 55aab510b465f7687b8ebe23f0e51926606fd5316da138778838b2dac3e7c7e0
	else
		echo "Using existing DarwinTools"
		cd DarwinToolsARM
	fi
	WORKING_DIR="DarwinToolsARM"
	PKG_NAME="darwintools"
	PKG_VERSION="1.0-1"
}

patchDarwinTools() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|#include <CoreFoundation/CFPriv.h>|extern CFDictionaryRef _CFCopySystemVersionDictionary(void);\
			extern CFDictionaryRef _CFCopyServerVersionDictionary(void);|' sw_vers.c
					sed -i -- 's|_kCFSystemVersionProductNameKey|CFSTR(\"ProductName\")|g' sw_vers.c
					sed -i -- 's|_kCFSystemVersionProductVersionKey|CFSTR(\"ProductVersion\")|g' sw_vers.c
					sed -i -- 's|_kCFSystemVersionBuildVersionKey|CFSTR(\"ProductBuildVersion\")|g' sw_vers.c
	fi
}

#darwintools
#Notes:
# This only builds a striped down version of the one on iOS
# If you're building for a non-appletv platform, you may need to fix things here.
buildDarwinTools() {
	downloadDarwinTools
	patchDarwinTools

	"$CLANG_PATH" -arch "$ARCH" -isysroot"$SDK_PATH"  -framework CoreFoundation "$MIN_VERSION" -o "sw_vers" sw_vers.c
	#codesign "$BUILD_ROOT/$WORKING_DIR/sw_vers"

	cp sw_vers "$SKEL_PREFIX/$ROOT_PREFIX/bin/"
	cd "$BUILD_ROOT"
}

#Download uikittools
downloadUIKitTools() {
	if [[ ! -d uikittools ]]; then
		echo "Fetching uikittools"
		git clone git://git.saurik.com/uikittools.git
	else
		echo "Using existing uikittools"
	fi
	WORKING_DIR="uikittools"
	PKG_NAME="uikittools"
	PKG_VERSION="1.1.12-1"
	cd "$WORKING_DIR"
	git checkout tags/v1.1.12
}

#uikittools
#Notes:
# This only builds a striped down version of the one on iOS
# If you're building for a non-appletv platform, you may need to fix things here.
buildUIKitTools() {
	downloadUIKitTools

	"$CLANGPLUS_PATH" -arch "$ARCH" -isysroot"$SDK_PATH" -Os -Werror -framework CoreFoundation -framework Foundation "$MIN_VERSION" -o cfversion cfversion.mm
	"$CLANGPLUS_PATH" -arch "$ARCH" -isysroot"$SDK_PATH" -Os -Werror -framework CoreFoundation -framework Foundation "$MIN_VERSION" -o gssc gssc.mm
	"$CLANGPLUS_PATH" -arch "$ARCH" -isysroot"$SDK_PATH" -Os -Werror -framework CoreFoundation -framework Foundation -framework UIKit "$MIN_VERSION" -o uiduid uiduid.mm

    #odesign "$BUILD_ROOT/$WORKING_DIR/cfversion"
    #codesign "$BUILD_ROOT/$WORKING_DIR/gssc"
    #codesign "$BUILD_ROOT/$WORKING_DIR/uiduid"

    cp gssc cfversion uiduid "$SKEL_PREFIX/$ROOT_PREFIX/bin/"
    cd "$BUILD_ROOT"
}

buildBasicUtils() {
	notifyProgress "Building sed"
	buildSed
	notifyProgress "Building grep"
	buildGrep
	notifyProgress "Building coreutils"
	buildCoreutils
	notifyProgress "Building findutils"
	buildFindUtils
	notifyProgress "Building diffutils"
	buildDiffUtils
	notifyProgress "Building DarwinTools"
	buildDarwinTools
	notifyProgress "Building UIKitTools"
	buildUIKitTools
}

mkdirIfNecessary() {
	MK_DIR="$1"
	if [[ ! -d $MK_DIR ]]; then
		mkdir -p $MK_DIR
	fi
}

removeIfNecessary() {
	REMOVE_FILE="$1"
	if [[ -f $REMOVE_FILE ]]; then
		rm -rf $REMOVE_FILE
	fi
}

#=====================
#DPKG and Dependencies
#---------------------

#Download zlib
downloadZLib() {
	#Download zlib
	if [[ ! -d zlib ]]; then
		echo "Downloading zlib git"
		git clone https://github.com/madler/zlib.git
	else
		echo "Using existing zlib"
	fi
	WORKING_DIR="zlib"
	PKG_NAME="zlib"
	PKG_VERSION="1.2.11-1"
	cd "$WORKING_DIR"
	git checkout tags/v1.2.11
	removeIfNecessary build
	mkdirIfNecessary build
	cd build
	WORKING_DIR="$WORKING_DIR/build"
}

#zlib
buildZLib() {
	PKG_NAME="lzib-1.2.11"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		downloadZLib
		cmake -DCMAKE_INSTALL_NAME_DIR="/$ROOT_PREFIX/lib" -DCMAKE_OSX_SYSROOT="$SDK_PATH/" -DCMAKE_C_FLAGS="-arch $ARCH" -DCMAKE_INSTALL_PREFIX="/$ROOT_PREFIX" ..
		checkStatus $PKG_NAME $? "false"
		make -j8 DESTDIR="$SKEL_PREFIX" install
		checkStatus $PKG_NAME $? "true"
		cd "$BUILD_ROOT"
	fi
}

patchXZ() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|#undef HAVE_CLOCK_GETTIME||' config.h.in
	fi
}

patchTar() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|#undef HAVE_CLOCK_GETTIME||' config.h.in
	fi
}

patchOpenSSL() {
	sed -i -- "s|-arch $ARCH -mios-version-min=7.0.0|-arch $ARCH $MIN_VERSION|" Configurations/10-main.conf
}

patchBZip2() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		#fix up our makefile...
		sed -i -- 's|CC=gcc|CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang|' Makefile
		sed -i -- 's|AR=ar|AR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar|' Makefile
		sed -i -- 's|RANLIB=ranlib|RANLIB=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib|' Makefile
		sed -i -- "s|LDFLAGS=|LDFLAGS=$MIN_VERSION -isysroot \"$SDK_PATH\" -arch $ARCH|" Makefile
		sed -i -- "s|CFLAGS=|CFLAGS=$MIN_VERSION -isysroot \"$SDK_PATH\" -arch $ARCH |" Makefile
		sed -i -- 's|all:\(.*\) test$|all: \1|' Makefile
		sed -i -- 's|ln -s -f \$(PREFIX)/bin/|ln -s -f |g' Makefile
	fi
}

patchCurl() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		#(Forcibly) Remove that dirty clock_gettime
		#TODO: Determine if this is the best way
		sed -i -- 's|#undef HAVE_CLOCK_GETTIME_MONOTONIC||' lib/curl_config.h.in
	fi
}

buildXZ() {
	PKG_NAME="xz-5.2.3"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct http://tukaani.org/xz/xz-5.2.3.tar.gz http://tukaani.org/xz/xz-5.2.3.tar.gz.sig xz 5.2.3
		patchXZ
		buildProduct $PKG_NAME
	fi
}

buildBZip2() {
	PKG_NAME="bzip2-1.0.6"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://gigenet.dl.sourceforge.net/project/bzip2/bzip2-1.0.6.tar.gz - bzip2 1.0.6
		patchBZip2
		make -j8 install PREFIX="$SKEL_PREFIX/$ROOT_PREFIX"
		checkStatus $PKG_NAME $? "true"
		cd "$BUILD_ROOT"
	fi
}

buildLZ4() {
	PKG_NAME="lz4-1.7.5"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://github.com/lz4/lz4/archive/v1.7.5.tar.gz - lz4 1.7.5
		cd contrib/cmake_unofficial/
		mkdirIfNecessary build
		cd build
		cmake -DCMAKE_INSTALL_NAME_DIR="/$ROOT_PREFIX/lib" -DCMAKE_OSX_SYSROOT="$SDK_PATH/" -DCMAKE_C_FLAGS="-arch $ARCH" -DCMAKE_INSTALL_PREFIX="/$ROOT_PREFIX" ..
		checkStatus $PKG_NAME $? "false"
		make -j8
		make -j8 DESTDIR="$SKEL_PREFIX" install
		checkStatus $PKG_NAME $? "true"
		cd "$BUILD_ROOT"
	fi
}

downloadOpenSSL() {
	if [[ ! -d openssl ]]; then
		git clone -b OpenSSL_1_1_0-stable https://github.com/openssl/openssl.git
	else
		echo "Using existing openssl repo"
	fi
	WORKING_DIR="openssl"
	PKG_NAME="openssl"
	PKG_VERSION="1.1.0-1"
	cd "$WORKING_DIR"
}

buildOpenSSL() {
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		LOG_FILE="$ROOT_LOG_FOLDER/openssl.log"
		touch $LOG_FILE
		downloadOpenSSL
		patchOpenSSL
		export AR=""
		export PLATFORM="$PLATFORM"
		export BUILD_TOOLS="$(xcode-select --print-path)"
		export CC="clang -fembed-bitcode"
		export CROSS_COMPILE="$(xcode-select --print-path)/Toolchains/XcodeDefault.xctoolchain/usr/bin/"
		export CROSS_TOP="$(xcode-select --print-path)/Platforms/$PLATFORM.platform/Developer"
		export CROSS_SDK="$(echo $SDK_PATH | sed 's/.*\///g')"
		sayIfVerbal "Configuring openSSL"
		(./Configure ios64-cross no-dso no-hw no-engine --prefix="/$ROOT_PREFIX" > "$LOG_FILE" 2>&1)
		checkStatus $PKG_NAME $? "false"
		echo "\n\nPOST CONFIGURE\n\n" >> "$LOG_FILE"
		sayIfVerbal "making openSSL"
		(make DESTDIR="$SKEL_PREFIX" install >> "${LOG_FILE}" 2>&1)
		checkStatus $PKG_NAME $? "true"
		cd "$BUILD_ROOT"
	fi
}

buildCurl() {
	PKG_NAME="curl-7.50.1"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://curl.haxx.se/download/curl-7.50.1.tar.gz - curl 7.50.1
		patchCurl
		buildProduct $PKG_NAME
	fi
}

buildTar(){
	PKG_NAME="tar-1.33"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct http://ftp.gnu.org/gnu/tar/tar-1.33.tar.xz - tar 1.33
		patchTar
		buildProduct $PKG_NAME
	fi
}

#Download dpkg
downloadDpkg() {
	if [[ ! -d dpkg ]]; then
		echo "Downlading dpkg"
		git clone https://git.nito.tv/NitoTV/dpkg.git
	else
		echo "Using existing dpkg"
	fi
	WORKING_DIR="dpkg"
	PKG_NAME="dpkg"
	PKG_VERSION="1.18.23-1" #FIXME
	cd "$WORKING_DIR"
}

#dpkg
buildDpkg() {
	downloadDpkg

	local dont_die_here=$(./autogen.sh)
	LZMA_LIBS="$SKEL_PREFIX/$ROOT_PREFIX/lib/liblzma.dylib" CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang CXX=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ CFLAGS="-isysroot $SDK_PATH -I$SDK_PATH/usr/include  -I$SKEL_PREFIX/$ROOT_PREFIX/include/ -arch $ARCH" CXXFLAGS=$CFLAGS LDFLAGS="-isysroot $SDK_PATH -L$SKEL_PREFIX/$ROOT_PREFIX/lib/ -arch $ARCH" CPPFLAGS="-isysroot $SDK_PATH  -I$SKEL_PREFIX/$ROOT_PREFIX/include/ -arch $ARCH" CXXFLAGS=$CFLAGS LDFLAGS="-isysroot $SDK_PATH -L$SKEL_PREFIX/$ROOT_PREFIX/lib/ -arch $ARCH" ./configure --prefix="/$ROOT_PREFIX" --disable-start-stop-daemon --host=arm-apple-darwin --disable-dependency-tracking  PERL_LIBDIR='$(prefix)/lib/'  --disable-dselect --localstatedir="/var/" --sysconfdir="/etc"
	patchDpkg #Must be after configure for now. I'll deal with this later

	make -j8 DESTDIR="$SKEL_PREFIX" install
	#lzma conflicts with built in libraries when running in certian conditions.
	#we make -j8 a symlink our version of lzma in the xz build process
	#here we change dpkg-deb to look for this version instead
	#if we do not do this, apt-get/dpkg* will fail from our setuid tool
	install_name_tool -change /usr/lib/liblzma.5.dylib /usr/local/lib/liblzma.5.dylib "$SKEL_PREFIX/$ROOT_PREFIX/bin/dpkg-deb"

	echo "appletvos-arm64" >> "$BUILD_ROOT/dpkg/deb/var/lib/dpkg/arch"
	echo "darwin-arm64" >> "$BUILD_ROOT/dpkg/deb/var/lib/dpkg/arch"
	#Get rid of cross-compile artifacts
	sed -i -- "s|$SKEL_PREFIX||g" "$BUILD_ROOT/$WORKING_DIR/deb/$ROOT_PREFIX/lib/libdpkg.la"
	sed -i -- "s|$SKEL_PREFIX||g" "$BUILD_ROOT/$WORKING_DIR/deb/$ROOT_PREFIX/lib/pkgconfig/libdpkg.pc"
	rm -rf "$BUILD_ROOT/$WORKING_DIR/deb/$ROOT_PREFIX/lib/libdpkg.la--"
	rm -rf "$BUILD_ROOT/$WORKING_DIR/deb/$ROOT_PREFIX/lib/pkgconfig/libdpkg.pc--"
	cd "$BUILD_ROOT"
}


buildDPKGAndDependencies() {
	notifyProgress "Building zlib"
	buildZLib
	notifyProgress "Building xz"
	buildXZ
	notifyProgress "Building bzip2"
	buildBZip2
	notifyProgress "Building lz4"
	buildLZ4
	notifyProgress "Building openSSL"
	buildOpenSSL
	notifyProgress "Building curl"
	buildCurl
	#notifyProgress "Building BerkeleyDB"
	#buildBerkeleyDB
	notifyProgress "Building tar"
	buildTar
	#notifyProgress "Building dpkg"
	#buildDpkg
}

buildGpgError() {
	PKG_NAME="libgpg-error-1.27"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://www.gnupg.org/ftp/gcrypt/libgpg-error/libgpg-error-1.27.tar.bz2 https://www.gnupg.org/ftp/gcrypt/libgpg-error/libgpg-error-1.27.tar.bz2.sig libgpg-error 1.27
		export HOST="arm"
		buildProduct $PKG_NAME "--enable-threads=posix"
		export HOST="aarch64"
	fi
}


patchGcrypt() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		#if [[ "$PKG_VERSION" == "1.8.2-1" ]]; then
			cat tests/random.c | head -n 39 > random.patched.c
			echo "#include <stdint.h>" >> random.patched.c
			echo "#include <stdio.h>" >> random.patched.c
			echo "#include <stdlib.h>" >> random.patched.c
			echo "#include <spawn.h>" >> random.patched.c
			echo "#include <sys/wait.h>" >> random.patched.c
			echo "#include <sys/stat.h>" >> random.patched.c
			echo "" >> random.patched.c
			echo "extern char **environ;" >> random.patched.c
			echo "" >> random.patched.c
			fixSystem "random.patched.c"
			cat tests/random.c | tail -n 727 | sed 's/system (cmdline)/RunCmd(cmdline)/g' >> random.patched.c
			cp random.patched.c tests/random.c
		#fi
	fi
}

buildGcrypt() {
	PKG_NAME="libgcrypt-1.8.2"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		downloadProduct https://www.gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.2.tar.bz2 https://www.gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.2.tar.bz2.sig libgcrypt 1.8.2
		patchGcrypt
		export HOST="arm"
		buildProduct $PKG_NAME "--with-libgpg-error-prefix=$SKEL_PREFIX/$ROOT_PREFIX/"
		export HOST="aarch64"
	fi
}

buildKSBA() {
	PKG_NAME="libksba-1.3.5"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		DOWNLOAD_URL="https://www.gnupg.org/ftp/gcrypt/libksba/libksba-1.3.5.tar.bz2"
		downloadProduct $DOWNLOAD_URL $DOWNLOAD_URL.sig libksba 1.3.5
		buildProduct $PKG_NAME "--with-libgpg-error-prefix=$SKEL_PREFIX/$ROOT_PREFIX/"
	fi
}

patchNpth() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- 's|#undef HAVE_CLOCK_GETTIME||' config.h.in
			#if [[ "$PKG_VERSION" == "1.5-1" ]]; then
					cat src/npth.c | head -n 19 > npth.patched.c
					echo "#include <stdint.h>" >> npth.patched.c
					echo "#include <stdio.h>" >> npth.patched.c
					echo "#include <stdlib.h>" >> npth.patched.c
					echo "#include <spawn.h>" >> npth.patched.c
					echo "#include <sys/wait.h>" >> npth.patched.c
					echo "" >> npth.patched.c
					echo "extern char **environ;" >> npth.patched.c
					echo "" >> npth.patched.c
					cat src/npth.c | tail -n 757 | head -n 537 >> npth.patched.c
					fixSystem "npth.patched.c"
					cat src/npth.c | tail -n 220 | sed 's/system(cmd)/RunCmd(cmd)/g' >> npth.patched.c
					cp npth.patched.c src/npth.c
					#fi
	fi
}

buildNpth() {
	PKG_NAME="npth-1.5"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		DOWNLOAD_URL="https://www.gnupg.org/ftp/gcrypt/npth/npth-1.5.tar.bz2"
		downloadProduct $DOWNLOAD_URL $DOWNLOAD_URL.sig npth 1.5
		patchNpth
		buildProduct $PKG_NAME
	fi
}

#https://www.gnupg.org/ftp/gcrypt/libassuan/libassuan-2.5.1.tar.bz2
buildAssuan() {
	PKG_NAME="libassuan-2.5.1"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		DOWNLOAD_URL="https://www.gnupg.org/ftp/gcrypt/libassuan/libassuan-2.5.1.tar.bz2"
		downloadProduct $DOWNLOAD_URL $DOWNLOAD_URL.sig libassuan 2.5.1
		buildProduct $PKG_NAME "--with-libgpg-error-prefix=$SKEL_PREFIX/$ROOT_PREFIX/"
	fi
}

patchNtbtls() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		# this is required because prior dependencies write /$ROOT_PREFIX/lib/libgpg-error.la as a dependency in the .la file
		sed -i -- "s|/$ROOT_PREFIX/lib/libgpg-error.la|$SKEL_PREFIX/$ROOT_PREFIX/lib/libgpg-error.la|g" "$SKEL_PREFIX/$ROOT_PREFIX/lib/libgcrypt.la"
		sed -i -- "s|/$ROOT_PREFIX/lib/libgpg-error.la|$SKEL_PREFIX/$ROOT_PREFIX/lib/libgpg-error.la|g" "$SKEL_PREFIX/$ROOT_PREFIX/lib/libksba.la"
		rm -f "$SKEL_PREFIX/$ROOT_PREFIX/lib/libgcrypt.la--"
		rm -f "$SKEL_PREFIX/$ROOT_PREFIX/lib/libksba.la--"
	fi
}

buildNtbtls() {
	PKG_NAME="ntbtls-0.1.2"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		DOWNLOAD_URL="https://www.gnupg.org/ftp/gcrypt/ntbtls/ntbtls-0.1.2.tar.bz2"
		downloadProduct $DOWNLOAD_URL $DOWNLOAD_URL.sig ntbtls 0.1.2
		patchNtbtls
		buildProduct $PKG_NAME "--with-libgpg-error-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-libgcrypt-prefix=$SKEL_PREFIX/$ROOT_PREFIX --with-ksba-prefix=$SKEL_PREFIX/$ROOT_PREFIX"
	fi
}

patchGpg() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		#if [[ "$PKG_VERSION" == "2.2.3-1" ]]; then
		cat "g10/exec.c" | head -n 54 > "exec.patched.c"
		echo "#include <stdint.h>" >> "exec.patched.c"
		echo "#include <stdio.h>" >> "exec.patched.c"
		echo "#include <stdlib.h>" >> "exec.patched.c"
		echo "#include <spawn.h>" >> "exec.patched.c"
		echo "#include <sys/wait.h>" >> "exec.patched.c"
		echo "" >> "exec.patched.c"
		echo "extern char **environ;" >> "exec.patched.c"
		echo "" >> "exec.patched.c"
		cat "g10/exec.c" | head -n 111 | tail -n 57 >> "exec.patched.c"
		fixSystem "exec.patched.c"
		cat "g10/exec.c" | tail -n 524 | sed 's/=system(info->command)/=RunCmd(info->command)/g' >> "exec.patched.c"
		cp "exec.patched.c" "g10/exec.c"
		#fi
	fi

}
#
buildGpg() {
	PKG_NAME="gpg-2.2.3"
	checkBuilt $PKG_NAME
	if [[ $? != 0 ]]; then
		echo "$PKG_NAME already exists, skipping!"
	else
		echo "building $PKG_NAME..."
		DOWNLOAD_URL="https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-2.2.3.tar.bz2"
		downloadProduct $DOWNLOAD_URL $DOWNLOAD_URL.sig gpg 2.2.3
		patchGpg
		buildProduct $PKG_NAME "--with-libgpg-error-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-libgcrypt-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-libassuan-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-ksba-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-npth-prefix=$SKEL_PREFIX/$ROOT_PREFIX/ --with-ntbtls-prefix=$SKEL_PREFIX/$ROOT_PREFIX/"
	fi
}

patchAPT() {
	if [[ "$PLATFORM" == "AppleTVOS" ]]; then
		sed -i -- '/^INCLUDE_DIRECTORIES/d' ../CMakeLists.txt
		sed -i -- '/^LINK_DIRECTORIES/d' ../CMakeLists.txt
		cat ../CMakeLists.txt | head -n 15 > newCmakeLists.txt
		echo "INCLUDE_DIRECTORIES($SKEL_PREFIX/$ROOT_PREFIX/include)" >> newCmakeLists.txt
		echo "LINK_DIRECTORIES($SKEL_PREFIX/$ROOT_PREFIX/lib)" >> newCmakeLists.txt
		echo "" >> newCmakeLists.txt
		cat ../CMakeLists.txt | tail -n 217 >> newCmakeLists.txt
		mv newCmakeLists.txt ../CmakeLists.txt
		#sed -i -- "s|/Users/jaywalker/RnD/ATV/packages/test/skel/|$SKEL_PREFIX/|g" ../CMakeLists.txt
	fi
}

downloadApt() {
	if [[ ! -d apt ]]; then
		echo "Downlading apt"
		git clone https://git.nito.tv/NitoTV/apt.git
	else
		echo "Using existing apt"
	fi
	WORKING_DIR="apt"
	PKG_NAME="apt7"
	PKG_VERSION="0.7.25.3-1"
	cd "$WORKING_DIR"
	removeIfNecessary build
	mkdirIfNecessary build
	cd build
	WORKING_DIR="$WORKING_DIR/build"
}

buildAPT() {
	downloadApt
	patchAPT

	cmake -DCMAKE_LOCALSTATEDIR="/private/var" -DCMAKE_INSTALL_NAME_DIR="/$ROOT_PREFIX/lib" -DCMAKE_INSTALL_RPATH="/$ROOT_PREFIX/" -DCMAKE_OSX_SYSROOT="$SDK_PATH" -DCMAKE_CXX_FLAGS="-arch $ARCH" -DCMAKE_C_FLAGS="-arch $ARCH" -DCMAKE_INSTALL_PREFIX="/$ROOT_PREFIX/" -DCMAKE_SHARED_LINKER_FLAGS="-lresolv -L$SKEL_PREFIX/$ROOT_PREFIX/lib/" -DCURL_INCLUDE_DIR="$SKEL_PREFIX/$ROOT_PREFIX/include" -DCURL_LIBRARIES="$SKEL_PREFIX/$ROOT_PREFIX/lib/libcurl.4.dylib" -DLZ4_INCLUDE_DIRS="$SKEL_PREFIX/$ROOT_PREFIX/include/" -DLZ4_LIBRARIES="$SKEL_PREFIX/$ROOT_PREFIX/lib/liblz4.dylib" -DLZMA_INCLUDE_DIRS="$SKEL_PREFIX/$ROOT_PREFIX/include/" -DLZMA_LIBRARIES="$SKEL_PREFIX/$ROOT_PREFIX/lib/liblzma.dylib" -DCURRENT_VENDOR=debian -DUSE_NLS=0 -DWITH_DOC=0 -DBERKELEY_DB_INCLUDE_DIRS="$SKEL_PREFIX/$ROOT_PREFIX/include" -DBERKELEY_DB_LIBRARIES="$SKEL_PREFIX/$ROOT_PREFIX/lib/libdb.dylib" -DCMAKE_FIND_ROOT_PATH="$SKEL_PREFIX" ..
	sed -i -- "s|#define COMMON_ARCH \"darwin-amd64\"|#define COMMON_ARCH \"$PLATFORM_LOWER-$ARCH\"|" include/config.h

		make -j8 DESTDIR="$SKEL_PREFIX" install

    #lzma conflicts with built in libraries we make -j8 an extra copy of our version of lzma in the xz build process
    #here we change libapt-pkg*.dylib to look for this version instead
    #if we do not do this, apt-get will fail from our helper tool
    install_name_tool -change /usr/lib/liblzma.5.dylib /usr/local/lib/liblzma.5.dylib $SKEL_PREFIX/$ROOT_PREFIX/lib/libapt-pkg.5.0.1.dylib


    cd "$BUILD_ROOT"
}

buildAPTAndDependencies() {
	notifyProgress "Building gpg-error"
	buildGpgError
	notifyProgress "Building gcrypt"
	buildGcrypt
	notifyProgress "Building KSBA"
	buildKSBA
	notifyProgress "Building npth"
	buildNpth
	notifyProgress "Building Assuan"
	buildAssuan
	notifyProgress "Building ntbtls"
	buildNtbtls
	notifyProgress "Building gpg"
	buildGpg
	#notifyProgress "Building apt"
	#buildAPT
}

prepSDK() {
	if [[ ! -e "$SDK_PATH/usr/include/sys/ttydev.h" ]]; then
		echo "Missing <sys/ttydev.h>. Moving it in from MacOSX SDK (with sudo)"
		sudo cp "$(xcrun --sdk macosx --show-sdk-path)/usr/include/sys/ttydev.h" "$SDK_PATH/usr/include/sys/ttydev.h"
	fi
	if [[ ! -e "$SDK_PATH/usr/include/lockdown.h" ]]; then
		echo "Missing lockdown.h! Generating the bare essentials for apt to build..."
		echo "#ifndef LOCKDOWN_LOCKDOWN_H" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#define LOCKDOWN_LOCKDOWN_H" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#include <CoreFoundation/CFString.h>" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#ifdef __cplusplus" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "extern \"C\" {" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#endif" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "extern CFStringRef kLockdownUniqueDeviceIDKey;" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "extern void *lockdown_connect(void);" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "extern CFStringRef lockdown_copy_value(void *lockdown, void *null, CFStringRef key);" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "extern void lockdown_disconnect(void *lockdown);" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#ifdef __cplusplus" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "}" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#endif" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "" >> "$SDK_PATH/usr/include/lockdown.h"
		echo "#endif/*LOCKDOWN_LOCKDOWN_H*/" >> "$SDK_PATH/usr/include/lockdown.h"

	fi
	IOKIT_MATCH="`find ~/Library/Developer/Xcode/tvOS\ DeviceSupport/ -name IOKit.framework | grep "$SDK_VERSION" -m 1`"
	echo "IOKit match: $IOKIT_MATCH"
	echo "IOKit: $SDK_PATH/System/Library/Frameworks/IOKit.framework"
	if [[ ! -d "$SDK_PATH/System/Library/Frameworks/IOKit.framework" ]]; then
		if [[ ! -z "$IOKIT_MATCH" ]]; then
			echo "we do indeed have an IOKit match and IOKIt is missing!!"
			echo "cp -r $IOKIT_MATCH $SDK_PATH/System/Library/Frameworks/"
			cp -r "$IOKIT_MATCH" "$SDK_PATH/System/Library/Frameworks/"
		fi
	fi
}


mkdirIfNecessary $ROOT_LOG_FOLDER

# Ensure our SDK has all the required "extras" installed/setup
prepSDK

#buildBashAndFriends
buildBasicUtils
buildDPKGAndDependencies
buildAPTAndDependencies