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+# Public macros for the TeX Live (TL) tree.
+# Copyright (C) 1998-2008 Jin-Hwan Cho <chofchof@ktug.or.kr>
+# Copyright (C) 2008-2013 Peter Breitenlohner <tex-live@tug.org>
+#
+# This file is free software; the copyright holders
+# give unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# KPSE_LIBPAPER
+# -------------
+# Provide the configure options '--with-paper-includes', '--with-paper-libdir'
+# and check for the ortional libpaper. If found define HAVE_LIBPAPER.
+# Set the make variables PAPER_INCLUDES and PAPER_LIBS to the CPPFLAGS and
+# LIBS required for the installed (system) library.
+AC_DEFUN([KPSE_LIBPAPER], [dnl
+AC_REQUIRE([KPSE_SAVE_FLAGS])
+AC_ARG_WITH([paper-includes],
+ AS_HELP_STRING([--with-paper-includes=DIR],
+ [paper headers installed in DIR]))[]dnl
+AC_ARG_WITH([paper-libdir],
+ AS_HELP_STRING([--with-paper-libdir=DIR],
+ [paper library installed in DIR]))[]dnl
+AS_CASE([$with_paper_includes],
+ ["" | yes], [PAPER_INCLUDES=],
+ [PAPER_INCLUDES="-I$with_paper_includes"])
+AS_CASE([$with_paper_libdir],
+ ["" | yes], [PAPER_LIBS=],
+ [PAPER_LIBS="-L$with_paper_libdir"])
+CPPFLAGS="$CPPFLAGS $PAPER_INCLUDES"
+LIBS="$LIBS $PAPER_LIBS"
+AC_MSG_CHECKING([for paper header files])
+result=no
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <paper.h>]],
+ [[struct paper *p;]])],
+ [AC_SEARCH_LIBS([paperpswidth], [paper])
+ AS_CASE([$ac_cv_search_paperpswidth],
+ [no], [:],
+ ["none required"], [result=yes],
+ [result=yes
+ PAPER_LIBS="$PAPER_LIBS $ac_cv_search_paperpswidth"])])
+AS_CASE([$result],
+ [no], [PAPER_INCLUDES= PAPER_LIBS=],
+ [AC_DEFINE([HAVE_LIBPAPER], 1, [Define if you have libpaper])])
+AC_MSG_RESULT([$result])
+AC_SUBST([PAPER_INCLUDES])
+AC_SUBST([PAPER_LIBS])
+KPSE_RESTORE_FLAGS
+])# KPSE_LIBPAPER
+