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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2014 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
m4_include([version.ac])[] dnl define luajit_version
AC_INIT([luajit for TeX Live], luajit_version, [tex-k@tug.org])
AC_PREREQ([2.65])
AC_CONFIG_SRCDIR([LuaJIT-]luajit_version[/src/luajit.h])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIRS([../../m4 m4])
KPSE_BASIC([luajit])
AC_CANONICAL_HOST
AC_PROG_CC
AM_PROG_AS
AC_PROG_RANLIB
AC_PROG_LN_S
AC_SEARCH_LIBS([sqrt], [m])
AC_SEARCH_LIBS([dlopen], [dl])
KPSE_LUAJIT_DEFINES
KPSE_LARGEFILE([LUAJIT_DEFINES])
AS_CASE([$host_os],
[cygwin* | mingw* | msys*], [LJHOST='Windows'],
[darwin*], [LJHOST='Darwin'],
[solaris* | sunos*], [LJHOST='SunOS'],
[linux*], [LJHOST='Linux'],
[LJHOST='Other'])
LJ_ARCH()
AS_CASE([$LJHOST],
[Windows], [LJVM_MODE=peobj
LUAJIT_DEFINES="$LUAJIT_DEFINES -malign-double"],
[Darwin | iOS], [LJVM_MODE=machasm],
[LJVM_MODE=elfasm])
AM_CONDITIONAL([PEOBJ], [test "x$LJVM_MODE" = xpeobj])
AC_SUBST([LJHOST])
AC_SUBST([LJVM_MODE])
AM_CONDITIONAL([build], [test "x$enable_build" != xno])
if test "x$enable_build" != xno || test -f config.force; then
AS_IF([test "x$lj_cpp" != xok],
[AC_MSG_ERROR([Sorry, can not preprocess <lj_arch.h>])])
echo timestamp >config.force
fi
AC_SUBST([LUAJIT_TREE], [LuaJIT-]luajit_version)
dnl Not used but avoids putting a zillion useless -D's on the command line.
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile include/Makefile])
AC_CONFIG_SUBDIRS([native])
dnl Pass DASM_ARCH to the subdirectory native,
dnl which must be configured for the build system.
dnl When cross compiling, can not share the cache file with the subdirectory!
AC_CONFIG_COMMANDS_POST([ac_configure_args="$ac_configure_args DASM_ARCH=$DASM_ARCH"
AS_IF([test "x$cross_compiling" = xyes],
[cache_file=/dev/null
ac_configure_args="$ac_configure_args --host='$kpse_build_alias' \
CC='$BUILDCC' CPPFLAGS='$BUILDCPPFLAGS'\
CFLAGS='$BUILDCFLAGS' LDFLAGS='$BUILDLDFLAGS'"])])
AC_OUTPUT
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