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#!/bin/sh

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CONFIGURE_EXECUTABLE="$_"

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# On *nix systems those two are equal when ./configure is done

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if [ "$0" != "$CONFIGURE_EXECUTABLE" ]; then

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	# On some systems, when ./configure is triggered from 'make'

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	#  the $_ is filled with 'make'. So if that is true, skip 'make'

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	#  and use $0 (and hope that is correct ;))

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	if [ -n "`echo $CONFIGURE_EXECUTABLE | grep make`" ]; then

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		CONFIGURE_EXECUTABLE="$0"

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	else

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		CONFIGURE_EXECUTABLE="$CONFIGURE_EXECUTABLE $0"

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	fi

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fi

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# Find out where configure is (in what dir)

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ROOT_DIR="`dirname $0`"

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ROOT_DIR="`cd $ROOT_DIR && pwd`"

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PWD="`pwd`"

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PREFIX="`pwd`/bin"

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. $ROOT_DIR/config.lib

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# Set default dirs

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OBJS_DIR="$PWD/objs"

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BASE_SRC_OBJS_DIR="$OBJS_DIR"

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LANG_OBJS_DIR="$OBJS_DIR/lang"

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BIN_DIR="$PREFIX"

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SRC_DIR="$ROOT_DIR/src"

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LANG_DIR="$SRC_DIR/lang"

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MEDIA_DIR="$ROOT_DIR/media"

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SOURCE_LIST="$ROOT_DIR/source.list"

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if [ "$1" = "--reconfig" ]; then

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	if ! [ -f "config.cache" ]; then

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		echo "can't reconfigure, because never configured before"

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		exit 1

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	fi

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	# Make sure we don't lock config.cache

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	cat config.cache > cache.tmp

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	sh cache.tmp

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	rm -f cache.tmp

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	exit $?

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fi

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set_default

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detect_params "$@"

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check_params

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save_params

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make_cflags_and_ldflags

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EXE=""

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if [ "$os" = "MINGW" ] || [ "$os" = "CYGWIN" ] || [ "$os" = "OS2" ] || [ "$os" = "WINCE" ]; then

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	EXE=".exe"

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fi

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TTD="openttd$EXE"

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STRGEN="strgen$EXE"

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ENDIAN_CHECK="endian_check$EXE"

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if [ -z "$sort" ]; then

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	PIPE_SORT="sed s/a/a/"

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else

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	PIPE_SORT="$sort"

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fi

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if ! [ -f "$LANG_DIR/english.txt" ]; then

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	echo "Languages not found in $LANG_DIR. Can't continue without it."

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	echo "Please make sure the dir exists and contains at least english.txt"

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fi

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# Read the source.list and process it

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SRCS="`< $ROOT_DIR/source.list tr '\r' '\n' | $awk '

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	{  }

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	/^(	*)#end/  { if (deep == skip) { skip -= 1; } deep -= 1; next; }

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	/^(	*)#else/ { if (deep == skip) { skip -= 1; } else if (deep - 1 == skip) { skip += 1; } next; }

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	/^(	*)#if/   {

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		gsub("	", "", $0);

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		gsub("^#if ", "", $0);

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		if (deep != skip) { deep += 1; next; }

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		deep += 1;

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		if ($0 == "SDL"         && "'$sdl_config'" == "")          { next; }

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		if ($0 == "OSX"         && "'$os'" != "OSX")               { next; }

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		if ($0 == "OS2"         && "'$os'" != "OS2")               { next; }

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		if ($0 == "PSP"         && "'$os'" != "PSP")               { next; }

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		if ($0 == "DEDICATED"   && "'$enable_dedicated'" != "1")   { next; }

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		if ($0 == "COCOA"       && "'$with_cocoa'" == "0")         { next; }

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		if ($0 == "BEOS"        && "'$os'" != "BEOS")              { next; }

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		if ($0 == "WIN32"       && "'$os'" != "MINGW" &&

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		                "'$os'" != "CYGWIN" && "'$os'" != "MSVC" ) { next; }

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		if ($0 == "WINCE"       && "'$os'" != "WINCE")             { next; }

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		if ($0 == "MSVC"        && "'$os'" != "MSVC")              { next; }

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		if ($0 == "DIRECTMUSIC" && "'$with_direct_music'" == "0")  { next; }

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		if ($0 == "LIBTIMIDITY" && "'$libtimidity'" == "" )        { next; }

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		skip += 1;

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		next;

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	}

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	/^(	*)#/ { next }

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	/^$/ { next }

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	/\.h$/ { next }

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	/\.hpp$/ { next }

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	{

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		if (deep == skip) {

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			gsub("	", "", $0);

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			print $0;

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		}

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	}

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' | $PIPE_SORT`"

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OBJS_C="`  echo \"$SRCS\" | $awk ' { ORS = " " } /\.c$/   { gsub(".c$",   ".o", $0); print $0; }'`"

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OBJS_CPP="`echo \"$SRCS\" | $awk ' { ORS = " " } /\.cpp$/ { gsub(".cpp$", ".o", $0); print $0; }'`"

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OBJS_MM="` echo \"$SRCS\" | $awk ' { ORS = " " } /\.mm$/  { gsub(".mm$",  ".o", $0); print $0; }'`"

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OBJS_RC="` echo \"$SRCS\" | $awk ' { ORS = " " } /\.rc$/  { gsub(".rc$",  ".o", $0); print $0; }'`"

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SRCS="`    echo \"$SRCS\" | $awk ' { ORS = " " } { print $0; }'`"

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# In makefiles, we always use -u for sort

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if [ -z "$sort" ]; then

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	sort="sed s/a/a/"

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else

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	sort="$sort -u"

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fi

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CONFIGURE_FILES="$ROOT_DIR/configure $ROOT_DIR/config.lib $ROOT_DIR/Makefile.in $ROOT_DIR/Makefile.lang.in $ROOT_DIR/Makefile.src.in"

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generate_main

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generate_lang

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generate_src