add a lib for rendering text in sdl2 and rules to make in makefile
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137
SDL2_ttf/acinclude/tar.m4
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137
SDL2_ttf/acinclude/tar.m4
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# Check how to create a tarball. -*- Autoconf -*-
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# Copyright (C) 2004-2020 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# _AM_PROG_TAR(FORMAT)
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# --------------------
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# Check how to create a tarball in format FORMAT.
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# FORMAT should be one of 'v7', 'ustar', or 'pax'.
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#
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# Substitute a variable $(am__tar) that is a command
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# writing to stdout a FORMAT-tarball containing the directory
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# $tardir.
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# tardir=directory && $(am__tar) > result.tar
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#
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# Substitute a variable $(am__untar) that extract such
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# a tarball read from stdin.
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# $(am__untar) < result.tar
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#
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AC_DEFUN([_AM_PROG_TAR],
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[# Always define AMTAR for backward compatibility. Yes, it's still used
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# in the wild :-( We should find a proper way to deprecate it ...
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AC_SUBST([AMTAR], ['$${TAR-tar}'])
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# We'll loop over all known methods to create a tar archive until one works.
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_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
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dnl SDL: No following the symlinks: removed tar 'h' and cpio/pax '-L' switches
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m4_if([$1], [v7],
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[am__tar='$${TAR-tar} cof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
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[m4_case([$1],
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[ustar],
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[# The POSIX 1988 'ustar' format is defined with fixed-size fields.
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# There is notably a 21 bits limit for the UID and the GID. In fact,
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# the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
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# and bug#13588).
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am_max_uid=2097151 # 2^21 - 1
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am_max_gid=$am_max_uid
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# The $UID and $GID variables are not portable, so we need to resort
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# to the POSIX-mandated id(1) utility. Errors in the 'id' calls
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# below are definitely unexpected, so allow the users to see them
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# (that is, avoid stderr redirection).
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am_uid=`id -u || echo unknown`
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am_gid=`id -g || echo unknown`
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AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
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if test x$am_uid = xunknown; then
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AC_MSG_WARN([ancient id detected; assuming current UID is ok, but dist-ustar might not work])
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elif test $am_uid -le $am_max_uid; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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_am_tools=none
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fi
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AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
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if test x$gm_gid = xunknown; then
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AC_MSG_WARN([ancient id detected; assuming current GID is ok, but dist-ustar might not work])
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elif test $am_gid -le $am_max_gid; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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_am_tools=none
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fi],
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[pax],
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[],
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[m4_fatal([Unknown tar format])])
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AC_MSG_CHECKING([how to create a $1 tar archive])
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# Go ahead even if we have the value already cached. We do so because we
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# need to set the values for the 'am__tar' and 'am__untar' variables.
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_am_tools=${am_cv_prog_tar_$1-$_am_tools}
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for _am_tool in $_am_tools; do
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case $_am_tool in
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gnutar)
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for _am_tar in tar gnutar gtar; do
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AM_RUN_LOG([$_am_tar --version]) && break
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done
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am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -cf - "'"$$tardir"'
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am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -cf - "'"$tardir"'
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am__untar="$_am_tar -xf -"
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;;
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plaintar)
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# Must skip GNU tar: if it does not support --format= it doesn't create
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# ustar tarball either.
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(tar --version) >/dev/null 2>&1 && continue
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am__tar='tar cf - "$$tardir"'
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am__tar_='tar cf - "$tardir"'
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am__untar='tar xf -'
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;;
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pax)
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am__tar='pax -x $1 -w "$$tardir"'
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am__tar_='pax -x $1 -w "$tardir"'
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am__untar='pax -r'
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;;
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cpio)
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am__tar='find "$$tardir" -print | cpio -o -H $1'
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am__tar_='find "$tardir" -print | cpio -o -H $1'
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am__untar='cpio -i -H $1 -d'
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;;
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none)
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am__tar=false
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am__tar_=false
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am__untar=false
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;;
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esac
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# If the value was cached, stop now. We just wanted to have am__tar
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# and am__untar set.
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test -n "${am_cv_prog_tar_$1}" && break
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# tar/untar a dummy directory, and stop if the command works.
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rm -rf conftest.dir
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mkdir conftest.dir
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echo GrepMe > conftest.dir/file
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AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
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rm -rf conftest.dir
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if test -s conftest.tar; then
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AM_RUN_LOG([$am__untar <conftest.tar])
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AM_RUN_LOG([cat conftest.dir/file])
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grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
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fi
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done
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rm -rf conftest.dir
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AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
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AC_MSG_RESULT([$am_cv_prog_tar_$1])])
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AC_SUBST([am__tar])
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AC_SUBST([am__untar])
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]) # _AM_PROG_TAR
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