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# Public macros for the TeX Live (TL) tree.
# Copyright (C) 2009, 2010 Peter Breitenlohner <tex-live@tug.org>
#
# This file is free software; the copyright holder
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 0
# KPSE_KPATHSEA_FLAGS([OPTIONS])
# ------------------------------
# Provide the configure options '--with-system-kpathsea' (if in the TL tree),
# '--with-kpathsea-includes', and '--with-kpathsea-libdir'.
# Options:
# no-debug - add '-DNO_DEBUG' to KPATHSEA_INCLUDES even if not needed
#
# Set the make variables KPATHSEA_INCLUDES and KPATHSEA_LIBS to the CPPFLAGS and
# LIBS required for the `-lkpathsea' library in texk/kpathsea/ of the TL tree.
AC_DEFUN([KPSE_KPATHSEA_FLAGS],
[AC_REQUIRE([KPSE_SAVE_FLAGS])[]dnl
_KPSE_LIB_FLAGS([kpathsea], [kpathsea], [lt],
[-IBLD/texk -ISRC/texk], [BLD/texk/kpathsea/libkpathsea.la], [],
[${top_srcdir}/../kpathsea/*.[ch]],
[${top_builddir}/../kpathsea/paths.h])
m4_if(m4_index([ $1 ], [ no-debug ]), [-1],
[_KPSE_CHECK_KPSE_DEBUG],
[KPATHSEA_INCLUDES="$KPATHSEA_INCLUDES -DNO_DEBUG"])
]) # KPSE_KPATHSEA_FLAGS
# KPSE_KPATHSEA_OPTIONS([WITH-SYSTEM])
# ------------------------------------
AC_DEFUN([KPSE_KPATHSEA_OPTIONS], [_KPSE_LIB_OPTIONS([kpathsea], [$1])])
# _KPSE_CHECK_KPSE_DEBUG
# ----------------------
# Internal subroutine to check if libkpathsea supports debugging.
m4_define([_KPSE_CHECK_KPSE_DEBUG],
[AC_CACHE_CHECK([if libkpathsea supports debugging],
[kpse_cv_kpse_debug],
[KPSE_ADD_FLAGS([kpathsea])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <kpathsea/kpathsea.h>]],
[[FILE *f = fopen("f", "r")]])],
[kpse_cv_kpse_debug=yes],
[kpse_cv_kpse_debug=no])
KPSE_RESTORE_FLAGS])
AS_IF([test "x$kpse_cv_kpse_debug" != xyes],
[KPATHSEA_INCLUDES="$KPATHSEA_INCLUDES -DNO_DEBUG"])[]dnl
]) # _KPSE_CHECK_KPSE_DEBUG
# KPSE_KPATHSEA_SYSTEM_FLAGS
# --------------------------
AC_DEFUN([KPSE_KPATHSEA_SYSTEM_FLAGS], [_KPSE_LIB_FLAGS_SYSTEM([kpathsea], [kpathsea])])
# KPSE_CHECK_KPSE_FORMAT(FORMAT,
# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ----------------------------------------------------------------
# Check whether kpathsea declares the kpse_FORMAT_format.
AC_DEFUN([KPSE_CHECK_KPSE_FORMAT],
[AC_CACHE_CHECK([whether kpathsea declares the kpse_$1_format],
[kpse_cv_have_$1_format],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <kpathsea/kpathsea.h>]],
[[kpse_$1_format]])],
[kpse_cv_have_$1_format=yes],
[kpse_cv_have_$1_format=no])])
AS_IF([test "x$kpse_cv_have_$1_format" = xyes], [$2], [$3])
]) # KPSE_CHECK_KPSE_FORMAT
# KPSE_CHECK_XBASENAME([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# --------------------------------------------------------------
# Check whether kpathsea declares xbasename().
AC_DEFUN([KPSE_CHECK_XBASENAME],
[AC_CHECK_DECL([xbasename], [$1], [$2],
[[#include <kpathsea/kpathsea.h>]])
]) # KPSE_CHECK_XBASENAME
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