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# Check if the tiff lib is available
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AC_FIND_TIFF
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AM_CONDITIONAL(have_tiff, test -n "$LIBTIFF")
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AC_FIND_PNG
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AM_CONDITIONAL(have_png, test -n "$LIBPNG")
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AC_FIND_JPEG
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AM_CONDITIONAL(have_jpeg, test -n "$LIBJPEG")
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#---------------------------------------------------------
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# libexif detection
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# taken from libkexif's configure.in.in
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#---------------------------------------------------------
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LIBEXIF=no
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#PKG_CHECK_MODULES(LIBEXIF, libexif >= 0.5.7, ,
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# [ AC_MSG_WARN([libexif >= 0.5.7 not found.])
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# LIBEXIF=yes ])
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#PKG_CHECK_MODULES(LIBEXIF06, libexif >= 0.6.9,
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# AC_DEFINE(HAVE_EXIF06,1,[check for libexif > 0.6]),
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# AC_MSG_WARN([Using old version of libexif.]))
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PKG_CHECK_MODULES(LIBEXIF, libexif >= 0.6.12 , ,
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[ AC_MSG_WARN([libexif >= 0.6.12 not found.])
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LIBEXIF=yes ])
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AC_SUBST(LIBEXIF_LIBS)
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AC_SUBST(LIBEXIF_CFLAGS)
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#---------------------------------------------------------
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# libexif detection
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#---------------------------------------------------------
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AC_MSG_CHECKING([if C++ program with exif can be compiled])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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ac_save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS $LIBEXIF_CFLAGS"
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AC_CACHE_VAL(exif_build,
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[
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AC_TRY_COMPILE([
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|
extern "C" {
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|
#include <libexif/exif-loader.h>
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|
#include <libexif/exif-utils.h>
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}
|
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],[
|
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|
|
ExifLoader *l = exif_loader_new ();
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|
|
exif_loader_write_file (l,"kikoo");
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|
return 0;
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|
], exif_build=yes,
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|
|
exif_build=no)
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|
])
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|
AC_MSG_RESULT($exif_build)
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|
|
if test "$exif_build" = "no"; then
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|
LIBEXIF=""
|
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|
|
|
fi
|
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|
CXXFLAGS="$ac_save_CXXFLAGS"
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|
|
AC_LANG_RESTORE
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|
|
AM_CONDITIONAL(have_exif, test -n "$LIBEXIF")
|
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|
|
AM_CONDITIONAL(include_jpeg_filter, test -n "$LIBJPEG" -a -n "$LIBEXIF")
|
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|
|
|
AM_CONDITIONAL(include_tiff_filter, test -n "$LIBTIFF" -a -n "$LIBEXIF")
|