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dnl $Id$
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright 2015-2020 Karl Berry <tex-live@tug.org>
dnl Copyright 2010-2015 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
AC_INIT([upmendex (TeX Live)], [0.54])
AC_PREREQ([2.63])
AC_CONFIG_SRCDIR([main.c])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIR([../../m4])
AC_PROG_CXX
KPSE_CXX_HACK
dnl Common code for all programs using libkpathsea.
KPSE_COMMON([upmendex], [no-define])
AC_CONFIG_HEADERS([c-auto.h:c-auto.in])
m4_include([../../version.ac])[] dnl define tex_live_version
AC_DEFINE([TL_VERSION], ["TeX Live tex_live_version()"],
[Define to the current TeX Live version string.])
AC_CACHE_CHECK([if C99 variadic macros are supported],
[kpse_cv_have___VA_ARGS__],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#define foo(format, ...) printf(format, __VA_ARGS__)]],
[[foo("%s\n", "Hi, there");]])],
[kpse_cv_have___VA_ARGS__=yes],
[kpse_cv_have___VA_ARGS__=no])])
AS_CASE([$kpse_cv_have___VA_ARGS__],
[yes], [AC_DEFINE([HAVE___VA_ARGS__], 1,
[Define to 1 if you have C99 variadic macros.])])
dnl As of ICU 65.1, ICU requires -lpthread on x86_64-linux and, most
dnl likely, on other platforms. Otherwise there is a crash in
dnl std::call_once, as shown in ChangeLog. OpenBSD already has to link
dnl with -lpthread on all platforms (see m4/kpse-icu-flags.m4), but so
dnl far it seems only upmendex requires it elsewhere. The double
dnl inclusion of -lpthread on obsd should be harmless.
dnl
dnl The autoconf-archive ax_pthread macro (used in asymptote) goes to
dnl much greater lengths to find the best thread library and support all
dnl platforms. We can switch to that if necessary, but hopefully this
dnl simple test will be enough.
dnl
KPSE_KPATHSEA_FLAGS
KPSE_SEARCH_LIBS([PTHREAD_LIB], [pthread_create], [pthread])
KPSE_ICU_FLAGS([icuio icui18n], [--ldflags-icuio])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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