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dnl Hey Emacs, I want this in -*- autoconf -*- mode, please.
dnl Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
dnl Please see COPYING for a description your rights and responsibilities
dnl with this software.
dnl Process this file with autoconf to produce a configure script.
dnl ----------------------------- HOST SYSTEM -----------------------------------
AC_PREREQ(2.54)
AC_INIT([GNU lightning], 1.2, bonzini@gnu.org, lightning)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_SRCDIR([lightning.h])
AC_CANONICAL_TARGET
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE
AC_PROG_CC
AC_PROG_CPP
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PATH_PROG(INSTALL_INFO, install-info, :, $PATH:/sbin)
AC_EXEEXT
AC_CHECK_FUNCS(memcpy)
BACKENDS="i386 sparc ppc"
AC_SUBST(BACKENDS)
case "$target_cpu" in
i?86) cpu=i386; AC_DEFINE(LIGHTNING_I386, 1,
[Define if lightning is targeting the x86 architecture]) ;;
sparc*) cpu=sparc; AC_DEFINE(LIGHTNING_SPARC, 1,
[Define if lightning is targeting the x86 architecture]) ;;
powerpc) cpu=ppc; AC_DEFINE(LIGHTNING_PPC, 1,
[Define if lightning is targeting the x86 architecture]) ;;
*) AC_MSG_ERROR([cpu $target_cpu not supported]) ;;
esac
dnl ---------------------------- COMMAND LINE ---------------------------------
AC_ARG_ENABLE( disassembling,
[ --enable-disassembling make the test programs disassemble the code
enabled by default if host != target],
, enable_disassembling=no)
AM_CONDITIONAL(REGRESSION_TESTING, test "$host_cpu" = "$target_cpu")
if test "$host_cpu" != "$target_cpu"; then
AC_DEFINE(LIGHTNING_CROSS, 1,
[Define if test programs should not run the compiled code])
enable_disassembling=yes
fi
if test "$enable_disassembling" != no; then
AC_DEFINE(LIGHTNING_DISASSEMBLE, 1,
[Define if the test programs should disassemble the code they produce])
fi
LIBDISASS=""
AM_CONDITIONAL(DISASS, test "$enable_disassembling" != no)
test "$enable_disassembling" != no && LIBDISASS="libdisass.a"
AC_ARG_ENABLE( assertions,
[ --enable-assertions perform internal consistency checks],
, enable_assertions=no)
if test "$enable_assertions" != no; then
AC_DEFINE(_ASM_SAFETY, 1, [Define to enable assertions])
fi
AM_CONDITIONAL(LIGHTNING_MAIN, :)
dnl --------------------------- PRODUCE OUTPUT --------------------------------
cpu_dir=lightning/$cpu
AC_CONFIG_LINKS(lightning/asm.h:$cpu_dir/asm.h dnl
lightning/fp.h:$cpu_dir/fp.h dnl
lightning/core.h:$cpu_dir/core.h dnl
lightning/funcs.h:$cpu_dir/funcs.h, [],
[cpu_dir=$cpu_dir])
AC_SUBST(LIBDISASS)
AC_CONFIG_FILES(Makefile doc/Makefile tests/Makefile opcode/Makefile
lightning/Makefile)
AC_CONFIG_FILES(lightningize, chmod +x lightningize)
AC_OUTPUT
# A small sanity check
echo "#include <stdio.h>" > confdefs.h # dummy input file
CPPFLAGS="$CPPFLAGS -I. -I$srcdir"
AC_TRY_COMPILE([#include "lightning.h"], , ,
AC_MSG_WARN(the compiler that was found could not compile GNU lightning))
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