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dnl @synopsis CHECK_HPDF()
dnl
dnl This macro searches for an installed libhpdf (libharu) library. If nothing
dnl was specified when calling configure, it first searches in /usr/local
dnl and then in /usr. If the --with-hpdf=DIR is specified, it will try
dnl to find it in DIR/include and DIR/lib.
dnl
dnl It defines the symbol PLD_pdf if the library is found.
dnl
AC_DEFUN([CHECK_HPDF],
#
# Handle user hints
#
[AC_MSG_CHECKING([whether to look for pdf support])
AC_ARG_WITH([hpdf],
[AS_HELP_STRING([--with-hpdf=DIR],
[root directory path of hpdf installation @<:@defaults to /usr@:>@])],
[if test "$withval" != no ; then
AC_MSG_RESULT(yes)
ALT_HOME="$withval"
else
AC_MSG_RESULT([no])
fi], [
AC_MSG_RESULT([yes])
ALT_HOME=/usr
])
#
# Locate hpdf
#
if test -d "${ALT_HOME}"
then
#
# Keep a copy if it fails
#
ALT_LDFLAGS="$LDFLAGS"
ALT_CPPFLAGS="$CPPFLAGS"
#
# Set
#
LDFLAGS="${LDFLAGS} -L${ALT_HOME}/lib"
CPPFLAGS="$CPPFLAGS -I$ALT_HOME/include"
#
# Check for libharu in ALT_HOME
#
AC_CHECK_LIB(hpdf, HPDF_New, CHECK=1, CHECK=0, -L${ALT_HOME}/lib)
#
#
# If everything found okay then proceed to include png driver in config.
#
if test $CHECK = "1" ; then
LIBS="$LIBS -lhpdf"
case $host_os in
solaris*)
LDFLAGS="$LDFLAGS -R$ALT_HOME/lib"
;;
esac
AC_DEFINE([PLD_pdf], [1], [Define to 1 if PDF support is available])
AM_CONDITIONAL(AMPDF, true)
echo PDF support found
if test $ALT_HOME = "/usr" ; then
LDFLAGS="$ALT_LDFLAGS"
CPPFLAGS="$ALT_CPPFLAGS"
fi
else
#
# If not okay then reset FLAGS.
#
AM_CONDITIONAL(AMPDF, false)
LDFLAGS="$ALT_LDFLAGS"
CPPFLAGS="$ALT_CPPFLAGS"
echo "No pdf support (libhpdf) found."
fi
else
if test $withval != "no"; then
echo "Directory $ALT_HOME does not exist"
exit 0
fi
fi
])
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