## Process this file with autoconf to produce a configure script. AC_PREREQ([2.69]) AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[https://devel.rtems.org/newticket]) 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_ENABLE_PARAVIRT RTEMS_ENABLE_PROFILING RTEMS_ENABLE_DRVMGR 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/$RTEMS_CPU"; then AC_MSG_RESULT(yes) else AC_MSG_ERROR(no) fi RTEMS_PROG_CC_FOR_TARGET RTEMS_PROG_CCAS RTEMS_CANONICALIZE_TOOLS AM_PROG_CC_C_O AC_PROG_RANLIB RTEMS_CHECK_NEWLIB # BSD-isms, used throughout the sources # Not really used by this configure script # FIXME: They should be eliminated if possible. AC_CHECK_FUNCS([strsep strcasecmp snprintf]) AC_CHECK_FUNCS([strdup strndup strncasecmp]) AC_CHECK_FUNCS([bcopy bcmp]) AC_CHECK_FUNCS([isascii fileno]) # # Check for functions supplied by newlib >= 1.17.0 # Newlib's posix/ directory AC_CHECK_FUNCS([readdir_r isatty]) AC_CHECK_FUNCS([creat \ opendir closedir readdir rewinddir scandir seekdir \ sleep \ telldir \ usleep],, [rtems_missing_func="$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 ]) AC_CHECK_DECLS([funlockfile],[AC_CHECK_FUNCS([funlockfile])],,[#include ]) AC_CHECK_DECLS([ftrylockfile],[AC_CHECK_FUNCS([ftrylockfile])],,[#include ]) # Newlib proprietary AC_CHECK_HEADERS([envlock.h]) AC_CHECK_DECLS([__env_lock],,,[#include ]) AC_CHECK_DECLS([__env_unlock],,,[#include ]) AC_CHECK_TYPES([struct _Thread_queue_Queue],[],[],[#include ]) # 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 ]) AC_CHECK_DECL([CLOCK_THREAD_CPUTIME_ID],[],[AC_MSG_ERROR([missing define CLOCK_THREAD_CPUTIME_ID])],[#include ]) # Mandated by POSIX, decls not present in some versions of newlib, # some versions stubbed in newlib's rtems crt0 RTEMS_CHECK_FUNC([seteuid],[#include ]) RTEMS_CHECK_FUNC([geteuid],[#include ]) RTEMS_CHECK_FUNC([setegid],[#include ]) RTEMS_CHECK_FUNC([getegid],[#include ]) RTEMS_CHECK_FUNC([setuid],[#include ]) RTEMS_CHECK_FUNC([getuid],[#include ]) RTEMS_CHECK_FUNC([setgid],[#include ]) RTEMS_CHECK_FUNC([getgid],[#include ]) RTEMS_CHECK_FUNC([setsid],[#include ]) RTEMS_CHECK_FUNC([getsid],[#include ]) RTEMS_CHECK_FUNC([setpgid],[#include ]) RTEMS_CHECK_FUNC([getpgid],[#include ]) RTEMS_CHECK_FUNC([setpgrp],[#include ]) RTEMS_CHECK_FUNC([getpgrp],[#include ]) # pthread-functions not declared in some versions of newlib. RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include ]) RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include ]) RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include ]) RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include ]) # These are SMP related and were added to newlib by RTEMS. RTEMS_CHECK_FUNC([pthread_attr_setaffinity_np],[ #define _GNU_SOURCE #include ]) RTEMS_CHECK_FUNC([pthread_attr_getaffinity_np],[ #define _GNU_SOURCE #include ]) RTEMS_CHECK_FUNC([pthread_setaffinity_np],[ #define _GNU_SOURCE #include ]) RTEMS_CHECK_FUNC([pthread_getaffinity_np],[ #define _GNU_SOURCE #include ]) RTEMS_CHECK_FUNC([pthread_getattr_np],[ #define _GNU_SOURCE #include ]) AC_CHECK_HEADERS([sys/cpuset.h]) # This was added to newlib in August 2014 to improve conformance. # Disable use of internal definition if it is present. RTEMS_CHECK_FUNC([sigaltstack],[ #define _GNU_SOURCE #include ]) # 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]) # # 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 $rtems_missing_header])]) AC_CHECK_HEADERS([semaphore.h]) AM_CONDITIONAL([HAVE_SEMAPHORE_H],[test x"$ac_cv_header_semaphore_h" = x"yes"]) AC_CHECK_HEADERS([threads.h]) AM_CONDITIONAL([HAVE_THREADS_H],[test x"$ac_cv_header_threads_h" = x"yes"]) ## error out if libc doesn't provide stdint.h AS_IF([test x"${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_TYPES([struct _pthread_cleanup_context],[],[AC_MSG_ERROR([struct _pthread_cleanup_context in is mandatory])],[#include ]) ]) AC_CHECK_HEADER([signal.h],[ AC_CHECK_TYPES([sighandler_t]) ]) if test x"$RTEMS_USE_NEWLIB" = xyes ; then AC_CHECK_DECLS([__getreent],[],[AC_MSG_ERROR([__getreent() in is mandatory])],[#include ]) fi RTEMS_CHECK_MULTIPROCESSING RTEMS_CHECK_POSIX_API RTEMS_CHECK_NETWORKING RTEMS_CHECK_SMP if test "${RTEMS_HAS_SMP}" = "yes"; then AC_CHECK_HEADERS([stdatomic.h],[],[AC_MSG_ERROR([ is required for SMP support])]) fi 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"$RTEMS_HAS_SMP" = xyes], [1], [if SMP is enabled]) RTEMS_CPUOPT([RTEMS_PARAVIRT], [test x"$RTEMS_HAS_PARAVIRT" = xyes], [1], [PARAVIRT is enabled]) RTEMS_CPUOPT([RTEMS_PROFILING], [test x"$RTEMS_HAS_PROFILING" = xyes], [1], [if profiling is enabled]) RTEMS_CPUOPT([RTEMS_NETWORKING], [test x"$rtems_cv_HAS_NETWORKING" = xyes], [1], [if networking is enabled]) RTEMS_CPUOPT([RTEMS_DRVMGR_STARTUP], [test x"$enable_drvmgr" = xyes], [1], [if driver manager api is supported]) RTEMS_CPUOPT([RTEMS_VERSION], [true], ["]_RTEMS_VERSION["], [RTEMS version string]) ## Header file differences that need to be known in .h after install RTEMS_CPUOPT([__RTEMS_HAVE_SYS_CPUSET_H__], [test x"${ac_cv_header_sys_cpuset_h}" = x"yes"], [1], [indicate if is present in toolset]) ## Header file differences that need to be known in .h after install RTEMS_CPUOPT([__RTEMS_HAVE_DECL_SIGALTSTACK__], [test x"${ac_cv_have_decl_sigaltstack}" = x"yes"], [1], [indicate if in toolset has sigaltstack()]) ## This improves both the size and coverage analysis. RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH__], [test x"${RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH}" = x"1"], [1], [disable inlining _Thread_Enable_dispatch]) ## 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 ], [stdin = fopen("/tmp", "r")])], [HAVE_ASSIGNABLE_STDIO=yes], [HAVE_ASSIGNABLE_STDIO=no]) AC_MSG_RESULT([$HAVE_ASSIGNABLE_STDIO]) # libmisc/serdbg exploits weak symbols RTEMS_CHECK_GCC_WEAK # FIXME: These checks are only in here to provide # configuration-time diagnostics and are not really used. AC_CHECK_DECLS([_POSIX_LOGIN_NAME_MAX],,,[#include ]) AC_CHECK_DECLS([CHAR_BIT],,,[#include ]) # FIXME: We should get rid of this. # So far, only used in libfs/src/nfsclient/src/dirutils.c AC_CHECK_SIZEOF([mode_t]) AC_CHECK_SIZEOF([off_t]) # FIXME: We should get rid of this. It's a cludge. AC_CHECK_SIZEOF([time_t]) AC_CHECK_SIZEOF([size_t]) # FIXME: Mandatory in SUSv4, optional in SUSv3. # Not implemented in GCC/newlib, so far. AC_CHECK_DECLS([WORD_BIT],,,[#include ]) AC_CHECK_DECLS([LONG_BIT],,,[#include ]) ## BSD-ism, excluded from POSIX, but available on most platforms AC_CHECK_DECLS([sbrk],,,[#include ]) AC_CHECK_DECLS([rcmd],,,[#include ]) ## Check if libc provides BSD's strlcpy/strlcat AC_CHECK_FUNCS(strlcpy strlcat) ## Check if libc provides decl of utime ## FIXME: utime has been deprecated in SUSv4. ## and is likely to be removed in future versions. ## FIXME (BUG in newlib): SUSv4 saids including should be sufficient. AC_CHECK_DECLS([utime],,,[#include #include ]) ## Check if libc provides decl of utimes AC_CHECK_DECLS([utimes],,,[#include ]) # ... far too many conditionals ... AM_CONDITIONAL(LIBRPC,[test x"$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"$rtems_cv_HAS_NETWORKING" = x"yes") AM_CONDITIONAL([LIBSHELL],[test x"$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([LIBUTF8PROC],[test $ac_cv_sizeof_size_t -gt 2]) AM_CONDITIONAL([LIBDOSFS],[dnl test x"$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]) # Filter dynamic loading to only build for architectures that have # reloc backends AC_MSG_CHECKING([whether CPU supports libdl]) case $RTEMS_CPU in arm | i386 | m68k | mips | moxie | powerpc | sparc) HAVE_LIBDL=yes ;; # bfin has an issue to resolve with libdl. See ticket #2252 bfin) HAVE_LIBDL=no ;; # lm32 has an issue to resolve with libdl. See ticket #2283 lm32) HAVE_LIBDL=no ;; # v850 has an issue to resolve with libdl. See ticket #2260 v850) HAVE_LIBDL=no ;; *) HAVE_LIBDL=no ;; esac AM_CONDITIONAL(LIBDL,[test x"$HAVE_LIBDL" = x"yes"]) AC_MSG_RESULT([$HAVE_LIBDL]) AC_MSG_CHECKING([whether CPU supports SHA]) case $RTEMS_CPU in m32c) HAVE_SHA=no ;; *) HAVE_SHA=yes ;; esac AM_CONDITIONAL(SHA,[test x"$HAVE_SHA" = x"yes"]) AC_MSG_RESULT([$HAVE_SHA]) # Filter libpci to only build for architectures that have support for it AC_MSG_CHECKING([whether CPU supports libpci]) case $RTEMS_CPU in sparc) HAVE_LIBPCI=yes ;; *) HAVE_LIBPCI=no ;; esac AM_CONDITIONAL(LIBPCI,[test x"$HAVE_LIBPCI" = x"yes"]) AC_MSG_RESULT([$HAVE_LIBPCI]) # Filter libdrvmgr to only build for architectures that have support for it AC_MSG_CHECKING([whether CPU supports libdrvmgr]) case $RTEMS_CPU in sparc) HAVE_LIBDRVMGR=yes ;; *) HAVE_LIBDRVMGR=no ;; esac AM_CONDITIONAL(LIBDRVMGR,[test x"$HAVE_LIBDRVMGR" = x"yes"]) AC_MSG_RESULT([$HAVE_LIBDRVMGR]) RTEMS_AMPOLISH3 # Explicitly list all Makefiles here AC_CONFIG_FILES([ Doxyfile Makefile dev/Makefile dtc/libfdt/Makefile rtems/Makefile sapi/Makefile score/Makefile score/cpu/Makefile score/cpu/arm/Makefile score/cpu/bfin/Makefile score/cpu/epiphany/Makefile score/cpu/i386/Makefile score/cpu/lm32/Makefile score/cpu/m68k/Makefile score/cpu/m32c/Makefile score/cpu/mips/Makefile score/cpu/moxie/Makefile score/cpu/nios2/Makefile score/cpu/or1k/Makefile score/cpu/powerpc/Makefile score/cpu/sh/Makefile score/cpu/sparc/Makefile score/cpu/sparc64/Makefile score/cpu/v850/Makefile score/cpu/no_cpu/Makefile posix/Makefile libblock/Makefile libdrvmgr/Makefile libfs/Makefile libfs/src/nfsclient/Makefile libgnat/Makefile libcrypt/Makefile libcsupport/Makefile libnetworking/Makefile libpci/Makefile librpc/Makefile libmisc/Makefile libi2c/Makefile libmd/Makefile libdl/Makefile libstdthreads/Makefile zlib/Makefile ftpd/Makefile telnetd/Makefile pppd/Makefile mghttpd/Makefile wrapup/Makefile]) AC_CONFIG_COMMANDS([preinstall-stamp], [test -z "$with_multisubdir" && ${MAKE} preinstall-stamp], [MAKE=${MAKE} with_multisubdir="$with_multisubdir"]) AC_OUTPUT