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## Process this file with autoconf to produce a configure script.
##
## $Id$
AC_PREREQ(2.52)
AC_INIT([rtems-c-src-exec-score-cpu-unix],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com])
AC_CONFIG_SRCDIR([cpu.c])
RTEMS_TOP(../../../..)
AC_CONFIG_AUX_DIR(../../../..)
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.6])
AM_MAINTAINER_MODE
RTEMS_ENV_RTEMSCPU
RTEMS_CHECK_CPU
RTEMS_CANONICAL_HOST
RTEMS_PROG_CC_FOR_TARGET
RTEMS_CANONICALIZE_TOOLS
AC_PROG_RANLIB
RTEMS_CHECK_NEWLIB
RTEMS_CHECK_MULTIPROCESSING
# The only use of System V IPC is the UNIX port when multiprocessing.
AS_IF([test "$HAS_MP" = "yes"],
[RTEMS_CHECK_SYSV_UNIX])
## The code fragment below had been used in tools/cpu/unix/gensize.c.
## FIXME:
## * The pad very likely is not necessary.
AC_CHECK_SIZEOF([CPU_CONTEXT],[],[
#include <stdio.h>
#include <setjmp.h>
typedef struct {
jmp_buf regs;
int isr_level;
int pad[4]; /* just in case */
} CPU_CONTEXT;
])
AM_CONFIG_HEADER([rtems/score/unixsize-tmp.h],[
echo "/* automatically generated -- DO NOT EDIT!! */" >$tmp/config.h
echo >>$tmp/config.h
echo "#ifndef __rtems_score_unixsize_h" >>$tmp/config.h
echo "#define __rtems_score_unixsize_h" >>$tmp/config.h
echo >>$tmp/config.h
sed -e '/.*PACKAGE.*/d' rtems/score/unixsize-tmp.h >> $tmp/config.h
echo >>$tmp/config.h
echo "#endif" >>$tmp/config.h
AS_IF([cmp -s rtems/score/unixsize.h $tmp/config.h 2>/dev/null],
[AC_MSG_NOTICE([rtems/score/unixsize.h is unchanged])
rm -f $tmp/config.h],
[AC_MSG_NOTICE([creating rtems/score/unixsize.h])
rm -f rtems/score/unixsize.h
mv $tmp/config.h rtems/score/unixsize.h])
])
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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