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autogen.sh is reporting some warnings as below ./autogen.sh 2>&1 |grep "obsolete" libtoolize: copying file 'm4/lt~obsolete.m4' configure.ac:115: warning: The macro `AC_LANG_C' is obsolete. configure.ac:115: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:134: warning: The macro `AC_LANG_C' is obsolete. configure.ac:134: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:135: warning: The macro `AC_LANG_C' is obsolete. configure.ac:135: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:146: warning: The macro `AC_LANG_C' is obsolete. configure.ac:146: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:146: warning: The macro `AC_LANG_C' is obsolete. configure.ac:146: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:373: warning: The macro `AC_LANG_C' is obsolete. configure.ac:373: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:458: warning: The macro `AC_HEADER_TIME' is obsolete. configure.ac:681: warning: The macro `AC_TRY_LINK' is obsolete. configure.ac:807: warning: The macro `AC_TRY_LINK' is obsolete. As the minimum autoconf version required is v2.69, we need to make sure to update obsolete macros as described at https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html
337 lines
15 KiB
Plaintext
337 lines
15 KiB
Plaintext
# wm_imgfmt_check.m4 - Macros to check for image file format support libraries
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#
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# Copyright (c) 2013 Christophe CURIS
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# WM_IMGFMT_CHECK_GIF
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# -------------------
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#
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# Check for GIF file support through 'libgif', 'libungif' or 'giflib v5'
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# The check depends on variable 'enable_gif' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_GIF],
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[AC_REQUIRE([_WM_LIB_CHECK_FUNCTS])
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AS_IF([test "x$enable_gif" = "xno"],
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[unsupported="$unsupported GIF"],
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[AC_CACHE_CHECK([for GIF support library], [wm_cv_imgfmt_gif],
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[wm_cv_imgfmt_gif=no
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wm_save_LIBS="$LIBS"
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dnl
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dnl We check first if one of the known libraries is available
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for wm_arg in "-lgif" "-lungif" ; do
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AS_IF([wm_fn_lib_try_link "DGifOpenFileName" "$XLFLAGS $XLIBS $wm_arg"],
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[wm_cv_imgfmt_gif="$wm_arg" ; break])
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done
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LIBS="$wm_save_LIBS"
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AS_IF([test "x$enable_gif$wm_cv_imgfmt_gif" = "xyesno"],
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[AC_MSG_ERROR([explicit GIF support requested but no library found])])
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AS_IF([test "x$wm_cv_imgfmt_gif" != "xno"],
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[dnl
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dnl A library was found, now check for the appropriate header
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wm_save_CFLAGS="$CFLAGS"
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AS_IF([wm_fn_lib_try_compile "gif_lib.h" "" "return 0" ""],
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[],
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[AC_MSG_ERROR([found $wm_cv_imgfmt_gif but could not find appropriate header - are you missing libgif-dev package?])])
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AS_IF([wm_fn_lib_try_compile "gif_lib.h" 'const char *filename = "dummy";' "DGifOpenFileName(filename)" ""],
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[wm_cv_imgfmt_gif="$wm_cv_imgfmt_gif version:4"],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[@%:@include <gif_lib.h>
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const char *filename = "dummy";],
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[ int error_code;
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DGifOpenFileName(filename, &error_code);] )],
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[wm_cv_imgfmt_gif="$wm_cv_imgfmt_gif version:5"],
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[AC_MSG_ERROR([found $wm_cv_imgfmt_gif and header, but cannot compile - unsupported version?])])dnl
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]
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)
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CFLAGS="$wm_save_CFLAGS"])
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])
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AS_IF([test "x$wm_cv_imgfmt_gif" = "xno"],
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[unsupported="$unsupported GIF"
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enable_gif="no"],
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[supported_gfx="$supported_gfx GIF"
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WM_APPEND_ONCE([`echo "$wm_cv_imgfmt_gif" | sed -e 's, *version:.*,,' `], [GFXLIBS])
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AC_DEFINE_UNQUOTED([USE_GIF],
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[`echo "$wm_cv_imgfmt_gif" | sed -e 's,.*version:,,' `],
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[defined when valid GIF library with header was found])])
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])
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AM_CONDITIONAL([USE_GIF], [test "x$enable_gif" != "xno"])dnl
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]) dnl AC_DEFUN
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# WM_IMGFMT_CHECK_JPEG
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# --------------------
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#
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# Check for JPEG file support through 'libjpeg'
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# The check depends on variable 'enable_jpeg' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_JPEG],
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[WM_LIB_CHECK([JPEG], [-ljpeg], [jpeg_destroy_compress], [$XLFLAGS $XLIBS],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[@%:@include <stdlib.h>
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@%:@include <stdio.h>
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@%:@include <jpeglib.h>],
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[ struct jpeg_decompress_struct cinfo;
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jpeg_destroy_decompress(&cinfo);])],
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[],
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[AS_ECHO([failed])
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AS_ECHO(["$as_me: error: found $CACHEVAR but cannot compile header"])
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AS_ECHO(["$as_me: error: - does header 'jpeglib.h' exists? (is package 'jpeg-dev' missing?)"])
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AS_ECHO(["$as_me: error: - version of header is not supported? (report to dev team)"])
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AC_MSG_ERROR([JPEG library is not usable, cannot continue])])
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],
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[supported_gfx], [GFXLIBS])dnl
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]) dnl AC_DEFUN
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# WM_IMGFMT_CHECK_PNG
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# -------------------
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#
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# Check for PNG file support through 'libpng'
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# The check depends on variable 'enable_png' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_PNG],
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[WM_LIB_CHECK([PNG], ["-lpng" "-lpng -lz" "-lpng -lz -lm"], [png_get_valid], [$XLFLAGS $XLIBS],
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[wm_save_CFLAGS="$CFLAGS"
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AS_IF([wm_fn_lib_try_compile "png.h" "" "return 0" ""],
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[],
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[AC_MSG_ERROR([found $CACHEVAR but could not find appropriate header - are you missing libpng-dev package?])])
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AS_IF([wm_fn_lib_try_compile "png.h" "" "png_get_valid(NULL, NULL, PNG_INFO_tRNS)" ""],
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[],
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[AC_MSG_ERROR([found $CACHEVAR and header, but cannot compile - unsupported version?])])
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CFLAGS="$wm_save_CFLAGS"],
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[supported_gfx], [GFXLIBS])dnl
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]) dnl AC_DEFUN
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# WM_IMGFMT_CHECK_TIFF
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# --------------------
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#
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# Check for TIFF file support through 'libtiff'
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# The check depends on variable 'enable_tiff' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_TIFF],
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[WM_LIB_CHECK([TIFF],
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["-ltiff" \
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dnl TIFF can have a dependancy over zlib
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"-ltiff -lz" "-ltiff -lz -lm" \
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dnl It may also have a dependancy to jpeg_lib
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"-ltiff -ljpeg" "-ltiff -ljpeg -lz" "-ltiff -ljpeg -lz -lm" \
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dnl There is also a possible dependancy on JBIGKit
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"-ltiff -ljpeg -ljbig -lz" \
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dnl Probably for historical reasons?
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"-ltiff34" "-ltiff34 -ljpeg" "-ltiff34 -ljpeg -lm"],
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[TIFFGetVersion], [$XLFLAGS $XLIBS],
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[wm_save_CFLAGS="$CFLAGS"
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AS_IF([wm_fn_lib_try_compile "tiffio.h" "" "return 0" ""],
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[],
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[AC_MSG_ERROR([found $CACHEVAR but could not find appropriate header - are you missing libtiff-dev package?])])
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AS_IF([wm_fn_lib_try_compile "tiffio.h" 'const char *filename = "dummy";' 'TIFFOpen(filename, "r")' ""],
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[],
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[AC_MSG_ERROR([found $CACHEVAR and header, but cannot compile - unsupported version?])])
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CFLAGS="$wm_save_CFLAGS"],
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[supported_gfx], [GFXLIBS])dnl
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]) dnl AC_DEFUN
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# WM_IMGFMT_CHECK_WEBP
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# --------------------
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#
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# Check for WEBP file support through 'libwebp'
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# The check depends on variable 'enable_webp' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_WEBP],
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[AS_IF([test "x$enable_webp" = "xno"],
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[unsupported="$unsupported WebP"],
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[AC_CACHE_CHECK([for WebP support library], [wm_cv_imgfmt_webp],
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[wm_cv_imgfmt_webp=no
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dnl
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dnl The library is using a special trick on the functions to provide
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dnl compatibility between versions, so we cannot try linking against
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dnl a symbol without first using the header to handle it
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wm_save_LIBS="$LIBS"
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LIBS="$LIBS -lwebp"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([@%:@include <webp/decode.h>],
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[WebPGetFeatures(NULL, 1024, NULL);])],
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[wm_cv_imgfmt_webp="-lwebp"])
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LIBS="$wm_save_LIBS"
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AS_IF([test "x$enable_webp$wm_cv_imgfmt_webp" = "xyesno"],
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[AC_MSG_ERROR([explicit WebP support requested but no library found])])dnl
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])
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AS_IF([test "x$wm_cv_imgfmt_webp" = "xno"],
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[unsupported="$unsupported WebP"
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enable_webp="no"],
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[supported_gfx="$supported_gfx WebP"
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WM_APPEND_ONCE([$wm_cv_imgfmt_webp], [GFXLIBS])dnl
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AC_DEFINE([USE_WEBP], [1],
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[defined when valid Webp library with header was found])])dnl
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])
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AM_CONDITIONAL([USE_WEBP], [test "x$enable_webp" != "xno"])dnl
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])
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# WM_IMGFMT_CHECK_XPM
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# -------------------
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#
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# Check for XPM file support through 'libXpm'
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# The check depends on variable 'enable_xpm' being either:
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# yes - detect, fail if not found
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# no - do not detect, use internal support
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# auto - detect, use internal if not found
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#
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# When found, append appropriate stuff in GFXLIBS, and append info to
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# the variable 'supported_gfx'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_XPM],
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[AC_REQUIRE([_WM_LIB_CHECK_FUNCTS])
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AS_IF([test "x$enable_xpm" = "xno"],
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[supported_gfx="$supported_gfx builtin-XPM"],
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[AC_CACHE_CHECK([for XPM support library], [wm_cv_imgfmt_xpm],
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[wm_cv_imgfmt_xpm=no
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dnl
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dnl We check first if one of the known libraries is available
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wm_save_LIBS="$LIBS"
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AS_IF([wm_fn_lib_try_link "XpmCreatePixmapFromData" "$XLFLAGS $XLIBS -lXpm"],
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[wm_cv_imgfmt_xpm="-lXpm" ; break])
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LIBS="$wm_save_LIBS"
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AS_IF([test "x$enable_xpm$wm_cv_imgfmt_xpm" = "xyesno"],
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[AC_MSG_ERROR([explicit libXpm support requested but no library found])])
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AS_IF([test "x$wm_cv_imgfmt_xpm" != "xno"],
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[dnl
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dnl A library was found, now check for the appropriate header
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wm_save_CFLAGS="$CFLAGS"
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AS_IF([wm_fn_lib_try_compile "X11/xpm.h" "" "return 0" "$XCFLAGS"],
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[],
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[AC_MSG_ERROR([found $wm_cv_imgfmt_xpm but could not find appropriate header - are you missing libXpm-dev package?])])
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AS_IF([wm_fn_lib_try_compile "X11/xpm.h" 'char *filename = "dummy";' 'XpmReadFileToXpmImage(filename, NULL, NULL)' "$XCFLAGS"],
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[],
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[AC_MSG_ERROR([found $wm_cv_imgfmt_xpm and header, but cannot compile - unsupported version?])])
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CFLAGS="$wm_save_CFLAGS"])
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])
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AS_IF([test "x$wm_cv_imgfmt_xpm" = "xno"],
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[supported_gfx="$supported_gfx builtin-XPM"
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enable_xpm="no"],
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[supported_gfx="$supported_gfx XPM"
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WM_APPEND_ONCE([$wm_cv_imgfmt_xpm], [GFXLIBS])
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AC_DEFINE([USE_XPM], [1],
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[defined when valid XPM library with header was found])])
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])
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AM_CONDITIONAL([USE_XPM], [test "x$enable_xpm" != "xno"])dnl
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]) dnl AC_DEFUN
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# WM_IMGFMT_CHECK_MAGICK
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# ----------------------
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#
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# Check for MagickWand library to support more image file formats
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# The check depends on variable 'enable_magick' being either:
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# yes - detect, fail if not found
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# no - do not detect, disable support
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# auto - detect, disable if not found
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#
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# When found, store the appropriate compilation flags in MAGICKFLAGS
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# and MAGICKLIBS, and append info to the variable 'supported_gfx'
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# When not found, append info to variable 'unsupported'
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AC_DEFUN_ONCE([WM_IMGFMT_CHECK_MAGICK],
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[AC_REQUIRE([_WM_LIB_CHECK_FUNCTS])
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AS_IF([test "x$enable_magick" = "xno"],
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[unsupported="$unsupported Magick"],
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[AC_CACHE_CHECK([for Magick support library], [wm_cv_libchk_magick],
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[wm_cv_libchk_magick=no
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dnl First try to get the configuration from either pkg-config (the official way)
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dnl or with the fallback MagickWand-config
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AS_IF([test "x$PKG_CONFIG" = "x"],
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[AC_PATH_PROGS_FEATURE_CHECK([magickwand], [MagickWand-config],
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[wm_cv_libchk_magick_cflags=`$ac_path_magickwand --cflags`
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wm_cv_libchk_magick_libs=`$ac_path_magickwand --ldflags`
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wm_cv_libchk_magick=magickwand])],
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[AS_IF([$PKG_CONFIG --exists MagickWand],
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[wm_cv_libchk_magick_cflags=`$PKG_CONFIG --cflags MagickWand`
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wm_cv_libchk_magick_libs=`$PKG_CONFIG --libs MagickWand`
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wm_cv_libchk_magick=pkgconfig])])
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AS_IF([test "x$wm_cv_libchk_magick" = "xno"],
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[AS_IF([test "x$enable_magick" != "xauto"],
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[AC_MSG_RESULT([not found])
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AC_MSG_ERROR([explicit Magick support requested but configuration not found with pkg-config and MagickWand-config - are you missing libmagickwand-dev package?])])],
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[dnl The configuration was found, check that it actually works
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wm_save_LIBS="$LIBS"
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dnl
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dnl We check that the library is available
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AS_IF([wm_fn_lib_try_link "NewMagickWand" "$wm_cv_libchk_magick_libs"],
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[wm_cv_libchk_magick=maybe])
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LIBS="$wm_save_LIBS"
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AS_IF([test "x$wm_cv_libchk_magick" != "xmaybe"],
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[AC_MSG_ERROR([MagickWand was found but the library does not link])])
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dnl
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dnl The library was found, check if header is available and compiles
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wm_save_CFLAGS="$CFLAGS"
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AS_IF([wm_fn_lib_try_compile "MagickWand/MagickWand.h" "MagickWand *wand;" "wand = NewMagickWand()" "$wm_cv_libchk_magick_cflags"],
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[wm_cv_libchk_magick="$wm_cv_libchk_magick_cflags % $wm_cv_libchk_magick_libs"
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wm_cv_libchk_magick_version=7],
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[wm_fn_lib_try_compile "wand/magick_wand.h" "MagickWand *wand;" "wand = NewMagickWand()" "$wm_cv_libchk_magick_cflags"],
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[wm_cv_libchk_magick="$wm_cv_libchk_magick_cflags % $wm_cv_libchk_magick_libs"
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wm_cv_libchk_magick_version=6],
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[AC_MSG_ERROR([found MagickWand library but could not compile its header])])
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CFLAGS="$wm_save_CFLAGS"])dnl
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])
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AS_IF([test "x$wm_cv_libchk_magick" = "xno"],
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[unsupported="$unsupported Magick"
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enable_magick="no"],
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[supported_gfx="$supported_gfx Magick"
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MAGICKFLAGS=`echo "$wm_cv_libchk_magick" | sed -e 's, *%.*$,,' `
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MAGICKLIBS=`echo "$wm_cv_libchk_magick" | sed -e 's,^.*% *,,' `
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AC_DEFINE_UNQUOTED([USE_MAGICK], [$wm_cv_libchk_magick_version],
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[defined when MagickWand library with header was found])])
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])
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AM_CONDITIONAL([USE_MAGICK], [test "x$enable_magick" != "xno"])dnl
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AC_SUBST(MAGICKFLAGS)dnl
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AC_SUBST(MAGICKLIBS)dnl
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]) dnl AC_DEFUN
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