## Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla])
AC_CONFIG_SRCDIR([score])
RTEMS_TOP([..],[])
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc subdir-objects foreign 1.12.2])
AM_MAINTAINER_MODE
RTEMS_ENABLE_MULTILIB
RTEMS_ENABLE_MULTIPROCESSING
RTEMS_ENABLE_POSIX
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/$RTEMS_CPU"; then
AC_MSG_RESULT(yes)
else
AC_MSG_ERROR(no)
fi
RTEMS_PROG_CC_FOR_TARGET
RTEMS_PROG_CCAS
RTEMS_CANONICALIZE_TOOLS
AM_PROG_CC_C_O
AC_PROG_RANLIB
RTEMS_CHECK_NEWLIB
# BSD-isms, used throughout the sources
# Not really used by this configure script
# FIXME: They should be eliminated if possible.
AC_CHECK_FUNCS([strsep strcasecmp snprintf])
AC_CHECK_FUNCS([strdup strndup strncasecmp])
AC_CHECK_FUNCS([bcopy bcmp])
AC_CHECK_FUNCS([isascii fileno])
# <FIXME>
# Check for functions supplied by newlib >= 1.17.0
# Newlib's posix/ directory
AC_CHECK_FUNCS([readdir_r isatty])
AC_CHECK_FUNCS([creat \
opendir closedir readdir rewinddir scandir seekdir \
sleep \
telldir \
usleep],,
[rtems_missing_func="$ac_func";break])
AS_IF([test -n "$rtems_missing_func"],
AC_MSG_ERROR([Missing function $rtems_missing_func in libc])])
AC_CHECK_FUNCS([__assert])
AC_CHECK_FUNCS([execl execlp execle execv execvp execve])
AC_CHECK_FUNCS([regcomp regexec regerror regfree])
# Mandated by POSIX, decls not present in some versions of newlib
AC_CHECK_DECLS([flockfile],[AC_CHECK_FUNCS([flockfile])],,[#include <stdio.h>])
AC_CHECK_DECLS([funlockfile],[AC_CHECK_FUNCS([funlockfile])],,[#include <stdio.h>])
AC_CHECK_DECLS([ftrylockfile],[AC_CHECK_FUNCS([ftrylockfile])],,[#include <stdio.h>])
# Newlib proprietary
AC_CHECK_HEADERS([envlock.h])
AC_CHECK_DECLS([__env_lock],,,[#include <envlock.h>])
AC_CHECK_DECLS([__env_unlock],,,[#include <envlock.h>])
# Mandated by POSIX, older newlibs bogusly provided CLOCK_PROCESS_CPUTIME+CLOCK_THREAD_CPUTIME
AC_CHECK_DECL([CLOCK_PROCESS_CPUTIME_ID],[],[AC_MSG_ERROR([missing define CLOCK_PROCESS_CPUTIME_ID])],[#include <time.h>])
AC_CHECK_DECL([CLOCK_THREAD_CPUTIME_ID],[],[AC_MSG_ERROR([missing define CLOCK_THREAD_CPUTIME_ID])],[#include <time.h>])
# Mandated by POSIX, decls not present in some versions of newlib,
# some versions stubbed in newlib's rtems crt0
RTEMS_CHECK_FUNC([seteuid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([geteuid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setegid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getegid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setuid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getuid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setgid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getgid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setsid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getsid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setpgid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getpgid],[#include <unistd.h>])
RTEMS_CHECK_FUNC([setpgrp],[#include <unistd.h>])
RTEMS_CHECK_FUNC([getpgrp],[#include <unistd.h>])
# pthread-functions not declared in some versions of newlib.
RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include <pthread.h>])
RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include <pthread.h>])
RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include <pthread.h>])
RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include <pthread.h>])
# Mandated by POSIX, not declared in some versions of newlib.
AC_CHECK_DECLS([getrusage],,,[#include sys/resource.h])
# Newlib's unix/ directory
AC_CHECK_FUNCS([ttyname getcwd])
# </FIXME>
# Check if the installed toolchain provides these headers
# and error out if not.
AC_CHECK_HEADERS([tar.h errno.h sched.h sys/cdefs.h sys/queue.h],,
[rtems_missing_header="$ac_header";break])
AS_IF([test -n "$rtems_missing_header"],
AC_MSG_ERROR([Missing required header $rtems_missing_header])])
## error out if libc doesn't provide stdint.h
AS_IF([test x"${ac_cv_header_stdint_h}" != xyes],
[AC_MSG_ERROR([Required header stdint.h not found])])
## error out if libc doesn't provide inttypes.h
AS_IF([test x"${ac_cv_header_inttypes_h}" != xyes],
[AC_MSG_ERROR([Required header inttypes.h not found])])
AC_HEADER_STDBOOL
AS_IF([test x"${ac_cv_header_stdbool_h}" != xyes],
[AC_MSG_ERROR([No sufficient stdbool.h found])])
AC_CHECK_TYPES([ uint8_t, int8_t])
AC_CHECK_TYPES([uint16_t, int16_t])
AC_CHECK_TYPES([uint32_t, int32_t])
AC_CHECK_TYPES([uint64_t, int64_t])
AC_CHECK_TYPES([uintmax_t, intmax_t])
AC_CHECK_TYPES([uintptr_t, intptr_t])
# Some toolchain sanity checks and diagnostics
RTEMS_CHECK_GCC_SANITY
# These are conditionally defined by the toolchain
# FIXME: we should either conditionally compile those parts in
# RTEMS depending on them, or abort - For now, simply check.
AC_CHECK_HEADER([pthread.h],[
AC_CHECK_TYPES([pthread_rwlock_t])
AC_CHECK_TYPES([pthread_barrier_t])
AC_CHECK_TYPES([pthread_spinlock_t])
])
AC_CHECK_HEADER([signal.h],[
AC_CHECK_TYPES([sighandler_t])
])
RTEMS_CHECK_MULTIPROCESSING
RTEMS_CHECK_POSIX_API
RTEMS_CHECK_NETWORKING
RTEMS_CHECK_SMP
RTEMS_CHECK_ATOMIC
rtems_major=`echo _RTEMS_VERSION | sed "s/\..*//"`
rtems_minor=`echo _RTEMS_VERSION | sed "s/[[0-9]][[0-9]]*\.//;s/\..*//"`
rtems_revision=`echo _RTEMS_VERSION | sed "s/[[0-9]][[0-9]]*\.//;s/[[0-9]][[0-9]]*\.//;s/\..*//"`
_RTEMS_CPUOPT_INIT
RTEMS_CPUOPT([RTEMS_DEBUG],
[test x"${enable_rtems_debug}" = x"yes"],
[1],
[if RTEMS_DEBUG is enabled])
RTEMS_CPUOPT([RTEMS_MULTIPROCESSING],
[test x"$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_SMP],
[test x"$RTEMS_HAS_SMP" = xyes],
[1],
[if SMP is enabled])
RTEMS_CPUOPT([RTEMS_NETWORKING],
[test x"$rtems_cv_HAS_NETWORKING" = xyes],
[1],
[if networking is enabled])
RTEMS_CPUOPT([RTEMS_ATOMIC],
[test x"$rtems_cv_ATOMIC" = xyes],
[1],
[if cpu supports atomic operations])
RTEMS_CPUOPT([RTEMS_VERSION],
[true],
["]_RTEMS_VERSION["],
[RTEMS version string])
RTEMS_CPUOPT([__RTEMS_USE_TICKS_FOR_STATISTICS__],
[test x"${USE_TICKS_FOR_STATISTICS}" = x"1"],
[1],
[disable nanosecond granularity for statistics])
## This improves both the size and coverage analysis.
RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH__],
[test x"${RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH}" = x"1"],
[1],
[disable inlining _Thread_Enable_dispatch])
## This improves both the size and coverage analysis.
RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__],
[test x"${RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE}" = x"1"],
[1],
[disable inlining _Thread_Enable_dispatch])
## This improves both the size and coverage analysis.
RTEMS_CPUOPT([__RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__],
[test x"${RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY}" = x"1"],
[1],
[disable inlining _Thread_queue_Enqueue_priority])
## This gives the same behavior as 4.8 and older
RTEMS_CPUOPT([__RTEMS_STRICT_ORDER_MUTEX__],
[test x"${ENABLE_STRICT_ORDER_MUTEX}" = x"1"],
[1],
[disable strict order mutex])
## Deactivate ada bindings
RTEMS_CPUOPT([__RTEMS_ADA__],
[test x"${enable_ada}" = x"yes"],
[1],
[Define to 1 if ada/gnat bindings are built-in])
## Then we propagate a private copy of the value into cpuopts.h
## so it is always available to the RTEMS header files.
RTEMS_CPUOPT([__RTEMS_MAJOR__],
[true],
[$rtems_major],
[major version portion of an RTEMS release])
RTEMS_CPUOPT([__RTEMS_MINOR__],
[true],
[$rtems_minor],
[minor version portion of an RTEMS release])
RTEMS_CPUOPT([__RTEMS_REVISION__],
[true],
[$rtems_revision],
[revision version portion of an RTEMS release])
_RTEMS_CPUOPT_FINI
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([$HAVE_ASSIGNABLE_STDIO])
# libmisc/serdbg exploits weak symbols
RTEMS_CHECK_GCC_WEAK
# FIXME: These checks are only in here to provide
# configuration-time diagnostics and are not really used.
AC_CHECK_DECLS([_POSIX_LOGIN_NAME_MAX],,,[#include <limits.h>])
AC_CHECK_DECLS([CHAR_BIT],,,[#include <limits.h>])
# FIXME: We should get rid of this.
# So far, only used in libfs/src/nfsclient/src/dirutils.c
AC_CHECK_SIZEOF([mode_t])
AC_CHECK_SIZEOF([off_t])
# FIXME: We should get rid of this. It's a cludge.
AC_CHECK_SIZEOF([time_t])
# FIXME: Mandatory in SUSv4, optional in SUSv3.
# Not implemented in GCC/newlib, so far.
AC_CHECK_DECLS([WORD_BIT],,,[#include <limits.h>])
AC_CHECK_DECLS([LONG_BIT],,,[#include <limits.h>])
## BSD-ism, excluded from POSIX, but available on most platforms
AC_CHECK_DECLS([sbrk],,,[#include <unistd.h>])
AC_CHECK_DECLS([rcmd],,,[#include <unistd.h>])
## Check if libc provides BSD's strlcpy/strlcat
AC_CHECK_FUNCS(strlcpy strlcat)
## Check if libc provides decl of utime
## FIXME: utime has been deprecated in SUSv4.
## and is likely to be removed in future versions.
## FIXME (BUG in newlib): SUSv4 saids including <utime.h> should be sufficient.
AC_CHECK_DECLS([utime],,,[#include <sys/types.h>
#include <utime.h>])
## Check if libc provides decl of utimes
AC_CHECK_DECLS([utimes],,,[#include <sys/time.h>])
# ... far too many conditionals ...
AM_CONDITIONAL(LIBRPC,[test x"$rtems_cv_HAS_NETWORKING" = x"yes"])
AM_CONDITIONAL(NEWLIB,test x"$RTEMS_USE_NEWLIB" = x"yes")
AM_CONDITIONAL(HAS_MP,test x"$enable_multiprocessing" = x"yes" )
AM_CONDITIONAL(HAS_SMP,[test "$RTEMS_HAS_SMP" = "yes"])
AM_CONDITIONAL(HAS_PTHREADS,test x"$rtems_cv_HAS_POSIX_API" = x"yes")
AM_CONDITIONAL(LIBNETWORKING,test x"$rtems_cv_HAS_NETWORKING" = x"yes")
AM_CONDITIONAL([ATOMIC],[test x"$rtems_cv_ATOMIC" = x"yes"])
AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"])
AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"])
AM_CONDITIONAL([LIBGNAT],[test x"$rtems_cv_HAS_POSIX_API" = x"yes" \
&& test x"$enable_ada" = x"yes"])
AM_CONDITIONAL([LIBDOSFS],[dnl
test x"$ac_cv_type_uint8_t" = xyes \
&& test x"$ac_cv_type_uint16_t" = xyes])
AC_CONFIG_HEADER(config.h)
## These are needed by the NFS Client
AC_CHECK_PROG(RPCGEN,rpcgen,rpcgen)
AM_CONDITIONAL([RPCTOOLS],[test "$RPCGEN" = rpcgen \
&& test -n "$AWK" \
&& test "$enable_rpcgen" = yes])
RTEMS_AMPOLISH3
# Explicitly list all Makefiles here
AC_CONFIG_FILES([
Doxyfile
Makefile
rtems/Makefile
sapi/Makefile
score/Makefile
score/cpu/Makefile
score/cpu/arm/Makefile
score/cpu/bfin/Makefile
score/cpu/avr/Makefile
score/cpu/h8300/Makefile
score/cpu/i386/Makefile
score/cpu/lm32/Makefile
score/cpu/m68k/Makefile
score/cpu/m32c/Makefile
score/cpu/m32r/Makefile
score/cpu/mips/Makefile
score/cpu/nios2/Makefile
score/cpu/powerpc/Makefile
score/cpu/sh/Makefile
score/cpu/sparc/Makefile
score/cpu/sparc64/Makefile
score/cpu/v850/Makefile
score/cpu/no_cpu/Makefile
posix/Makefile
libblock/Makefile
libfs/Makefile
libfs/src/nfsclient/Makefile
libgnat/Makefile
libcsupport/Makefile
libnetworking/Makefile
librpc/Makefile
libmisc/Makefile
libi2c/Makefile
libmd/Makefile
zlib/Makefile
ftpd/Makefile
telnetd/Makefile
pppd/Makefile
mghttpd/Makefile
wrapup/Makefile])
AC_CONFIG_COMMANDS([preinstall-stamp],
[test -z "$with_multisubdir" && ${MAKE} preinstall-stamp],
[MAKE=${MAKE}
with_multisubdir="$with_multisubdir"])
AC_OUTPUT
