## Process this file with autoconf to produce a configure script.
##
## $Id$
AC_PREREQ(2.60)
AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[rtems-bugs@rtems.com])
AC_CONFIG_SRCDIR([score])
RTEMS_TOP([..],[])
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc subdir-objects foreign 1.10])
AM_MAINTAINER_MODE
RTEMS_ENABLE_MULTILIB
RTEMS_ENABLE_MULTIPROCESSING
RTEMS_ENABLE_POSIX
RTEMS_ENABLE_ITRON
RTEMS_ENABLE_INLINES
RTEMS_ENABLE_RTEMS_DEBUG
RTEMS_ENABLE_NETWORKING
RTEMS_ENV_RTEMSCPU
RTEMS_CHECK_RTEMS_DEBUG
# Is this a supported CPU?
AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported])
if test -d "$srcdir/score/cpu/$RTEMS_CPU"; then
AC_MSG_RESULT(yes)
else
AC_MSG_ERROR(no)
fi
RTEMS_PROG_CC_FOR_TARGET([-fasm])
RTEMS_PROG_CCAS
RTEMS_CANONICALIZE_TOOLS
AM_PROG_CC_C_O
AC_PROG_RANLIB
RTEMS_CHECK_NEWLIB
RTEMS_CHECK_MULTIPROCESSING
RTEMS_CHECK_POSIX_API
RTEMS_CHECK_ITRON_API
RTEMS_CHECK_NETWORKING
AS_IF([test x"$HAS_NETWORKING" = x"yes"],[
## FIXME: Should better use a feature-based test
AC_MSG_CHECKING([whether CPU supports librpc])
case "$RTEMS_CPU" in
c4x ) LIBRPC=no;;
* ) LIBRPC=yes;;
esac
AC_MSG_RESULT([$LIBRPC])
])
AC_ARG_ENABLE([deprecated],
[AS_HELP_STRING(--enable-deprecated,allow using deprecated files)],
[case "${enable_deprecated}" in
yes) ;;
no) ;;
*) enable_deprecated=no ;;
esac],[enable_deprecated=no])
AM_CONDITIONAL([DEPRECATED],[test "$enable_deprecated" = "yes"])
AS_IF([ test "$enable_deprecated" = "yes" ],[
AC_DEFINE_UNQUOTED([RTEMS_DEPRECATED_TYPES],[1],
[whether to support deprecated types])
])
# HACK: We should use a feature-based configuration.
AS_IF([test x"${RTEMS_CPU}" = x"unix"],[
# HACK: silently accept --enable-unixlib
test -n "${enable_unixlib}" || enable_unixlib="yes"
])
# BSD-isms, used throughout the sources
# Not really used by this configure script
# FIXME: They should be eliminated if possible.
AC_CHECK_FUNCS([strsep strcasecmp snprintf])
AC_CHECK_FUNCS([bcopy bcmp])
AC_CHECK_FUNCS([isascii fileno])
## Check if the installed toolchain has these headers
AC_CHECK_HEADER([stdint.h])
AC_CHECK_HEADER([inttypes.h])
AC_CHECK_HEADER([tar.h])
## BSD-ism, should not be used in RTEMS,
## nevertheless it still is.
AC_CHECK_HEADER([sys/errno.h],[],
[AC_MSG_ERROR([Missing required header sys/errno.h])])
## if using newlib, we provide stdint.h and inttypes.h
AM_CONDITIONAL([RTEMS_PROVIDES_STDINT_H],
[test x"${RTEMS_USE_NEWLIB}" = xyes \
&& test x"${ac_cv_header_stdint_h}" = xno])
AM_CONDITIONAL([RTEMS_PROVIDES_INTTYPES_H],
[test x"${RTEMS_USE_NEWLIB}" = xyes \
&& test x"${ac_cv_header_inttypes_h}" = xno])
## if using newlib, force using stdint.h
AS_IF([test x"${RTEMS_USE_NEWLIB}" = xyes],
[RTEMS_USES_STDINT_H=yes],
[RTEMS_USES_STDINT_H=$ac_cv_header_stdint_h])
AS_IF([test x"${RTEMS_USE_NEWLIB}" = xyes],
[RTEMS_USES_TAR_H=yes],
[RTEMS_USES_TAR_H=$ac_cv_header_tar_h])
AS_IF([test x"${RTEMS_CPU}" = x"unix"],[
## FIXME: This check is doubtful
AS_IF([test "$HAS_MP" = "yes"],
[RTEMS_CHECK_SYSV_UNIX])
## The code fragment below had been used in tools/cpu/unix/gensize.c.
## FIXME:
## * The pad very likely is not necessary.
AC_CHECK_SIZEOF([CPU_CONTEXT],[],[
#include <stdio.h>
#include <setjmp.h>
typedef struct {
jmp_buf regs;
int isr_level;
int pad[4]; /* just in case */
} CPU_CONTEXT;
])
])
cat >>cpuopts.tmp <<\_ACEOF
/**
* @file rtems/score/cpuopts.h
*/
/* target cpu dependent options file */
/* automatically generated -- DO NOT EDIT!! */
#ifndef _RTEMS_SCORE_CPUOPTS_H
#define _RTEMS_SCORE_CPUOPTS_H
_ACEOF
RTEMS_CPUOPT([RTEMS_DEBUG],
[test x"${enable_rtems_debug}" = x"yes"],
[1],
[if RTEMS_DEBUG is enabled])
RTEMS_CPUOPT([RTEMS_INLINES],
[test x"${enable_rtems_inlines}" = x"yes"],
[1],
[if using inlines])
RTEMS_CPUOPT([RTEMS_ITRON_API],
[test x"$rtems_cv_HAS_ITRON_API" = x"yes"],
[1],
[if itron api is supported])
RTEMS_CPUOPT([RTEMS_MULTIPROCESSING],
[test x"$enable_multiprocessing" = xyes],
[1],
[if multiprocessing is enabled])
RTEMS_CPUOPT([RTEMS_NEWLIB],
[test x"$RTEMS_USE_NEWLIB" = xyes],
[1],
[if using newlib])
RTEMS_CPUOPT([RTEMS_POSIX_API],
[test x"$rtems_cv_HAS_POSIX_API" = xyes],
[1],
[if posix api is supported])
RTEMS_CPUOPT([RTEMS_NETWORKING],
[test x"$rtems_cv_HAS_NETWORKING" = xyes],
[1],
[if networking is enabled])
RTEMS_CPUOPT([RTEMS_UNIX],
[test x"$RTEMS_CPU" = xunix],
[1],
[to indicate RTEMS unix])
RTEMS_CPUOPT([RTEMS_UNIXLIB],
[test x"${enable_unixlib}" = xyes],
[1],
[to indicate RTEMS using RTEMS's unixlib])
RTEMS_CPUOPT([RTEMS_USES_STDINT_H],
[test x"${RTEMS_USES_STDINT_H}" = x"yes"],
[1],
[if RTEMS uses stdint.h])
RTEMS_CPUOPT([RTEMS_USES_TAR_H],
[test x"${RTEMS_USES_TAR_H}" = x"yes"],
[1],
[if RTEMS uses tar.h])
RTEMS_CPUOPT([RTEMS_VERSION],
[true],
["]_RTEMS_VERSION["],
[RTEMS version string])
RTEMS_CPUOPT([SIZEOF_CPU_CONTEXT],
[test x"$RTEMS_CPU" = x"unix"],
[$ac_cv_sizeof_CPU_CONTEXT],
[The size of a 'CPU_CONTEXT', as computed by sizeof])
cat >>cpuopts.tmp <<\_ACEOF
#endif /* _RTEMS_SCORE_CPUOPTS_H */
_ACEOF
AS_MKDIR_P(score/include/rtems/score)
AS_IF([test -f score/include/rtems/score/cpuopts.h],
[
AS_IF([cmp -s score/include/rtems/score/cpuopts.h cpuopts.tmp 2>/dev/null],
[
AC_MSG_NOTICE([score/include/rtems/score/cpuopts.h is unchanged])
rm -f cpuopts.tmp
],[
AC_MSG_NOTICE([creating score/include/rtems/score/cpuopts.h])
rm -f score/include/rtems/score/cpuopts.h
mv cpuopts.tmp score/include/rtems/score/cpuopts.h
])
],[
AC_MSG_NOTICE([creating score/include/rtems/score/cpuopts.h])
rm -f score/include/rtems/score/cpuopts.h
mv cpuopts.tmp score/include/rtems/score/cpuopts.h
])
AC_ENABLE_MULTILIB([Makefile],[..])
# libmisc/shell/* wants to assign file descriptors to stdio file descriptors.
AC_MSG_CHECKING([for assignable stdio])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <stdio.h>],
[stdin = fopen("/tmp", "r")])],
[HAVE_ASSIGNABLE_STDIO=yes],
[HAVE_ASSIGNABLE_STDIO=no])
AC_MSG_RESULT([$HAVE_ASSIGNABLE_STDIO])
# libmisc/serdbg exploits weak symbols
RTEMS_CHECK_GCC_WEAK
AC_CHECK_HEADERS([sys/cdefs.h],[NEED_SYS_CDEFS_H=no],[NEED_SYS_CDEFS_H=yes])
AC_CHECK_HEADERS([sys/queue.h],[NEED_SYS_QUEUE_H=no],[NEED_SYS_QUEUE_H=yes])
# FIXME: These checks are only in here to provide
# configuration-time diagnostics and are not really used.
AC_CHECK_DECLS([_POSIX_LOGIN_NAME_MAX],,,[#include <limits.h>])
AC_CHECK_DECLS([CHAR_BIT],,,[#include <limits.h>])
## BSD-ism, excluded from POSIX, but available on most platforms
AC_CHECK_DECLS([sbrk],,,[#include <unistd.h>])
## Check if libc provides BSD's strlcpy/strlcat
AC_CHECK_FUNCS(strlcpy strlcat)
# ... far too many conditionals ...
AM_CONDITIONAL(LIBRPC,[test "$LIBRPC" = "yes"])
AM_CONDITIONAL(UNIX,[test x"${RTEMS_CPU}" = x"unix"])
AM_CONDITIONAL(NEWLIB,test x"$RTEMS_USE_NEWLIB" = x"yes")
AM_CONDITIONAL(INLINE,test x"$enable_rtems_inlines" = x"yes" )
AM_CONDITIONAL(MACROS,test x"$enable_rtems_inlines" = x"no" )
AM_CONDITIONAL(HAS_MP,test x"$enable_multiprocessing" = x"yes" )
AM_CONDITIONAL(HAS_POSIX,test x"$rtems_cv_HAS_POSIX_API" = x"yes")
AM_CONDITIONAL(HAS_ITRON,test x"$rtems_cv_HAS_ITRON_API" = x"yes")
AM_CONDITIONAL(HAS_NETWORKING,test x"$HAS_NETWORKING" = x"yes")
AM_CONDITIONAL([NEED_SYS_CDEFS_H],[test x"$NEED_SYS_CDEFS_H" = x"yes"])
AM_CONDITIONAL([NEED_SYS_QUEUE_H],[test x"$NEED_SYS_QUEUE_H" = x"yes"])
AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"])
AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"])
RTEMS_AMPOLISH3
AC_CONFIG_HEADER(config.h)
# Explicitly list all Makefiles here
AC_CONFIG_FILES([
Makefile
rtems/Makefile
sapi/Makefile
score/Makefile
score/cpu/Makefile
score/cpu/arm/Makefile
score/cpu/avr/Makefile
score/cpu/c4x/Makefile
score/cpu/h8300/Makefile
score/cpu/i386/Makefile
score/cpu/m68k/Makefile
score/cpu/mips/Makefile
score/cpu/nios2/Makefile
score/cpu/powerpc/Makefile
score/cpu/sh/Makefile
score/cpu/sparc/Makefile
score/cpu/unix/Makefile
score/cpu/no_cpu/Makefile
posix/Makefile
itron/Makefile
libblock/Makefile
libfs/Makefile
libcsupport/Makefile
libnetworking/Makefile
librpc/Makefile
libmisc/Makefile
libi2c/Makefile
zlib/Makefile
httpd/Makefile
ftpd/Makefile
telnetd/Makefile
pppd/Makefile
wrapup/Makefile])
AC_CONFIG_COMMANDS([preinstall-stamp],
[test -z "$with_multisubdir" && ${MAKE} preinstall-stamp],
[MAKE=${MAKE}
with_multisubdir="$with_multisubdir"])
AC_OUTPUT
