diff options
Diffstat (limited to 'cpukit/configure.ac')
| -rw-r--r-- | cpukit/configure.ac | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/cpukit/configure.ac b/cpukit/configure.ac new file mode 100644 index 0000000000..4a771add3d --- /dev/null +++ b/cpukit/configure.ac @@ -0,0 +1,370 @@ +## Process this file with autoconf to produce a configure script. +## +## $Id$ + +AC_PREREQ([2.68]) +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 1.11.1]) +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 $rtems_missing_func in libc])]) +AC_CHECK_FUNCS([__assert]) +AC_CHECK_FUNCS([execl execlp execle execv execvp execve]) +AC_CHECK_FUNCS([regcomp regexec regerror regfree]) + +# Mandated by POSIX, decls not present in some versions of newlib +AC_CHECK_DECLS([flockfile],[AC_CHECK_FUNCS([flockfile])],,[#include <stdio.h>]) +AC_CHECK_DECLS([funlockfile],[AC_CHECK_FUNCS([funlockfile])],,[#include <stdio.h>]) +AC_CHECK_DECLS([ftrylockfile],[AC_CHECK_FUNCS([ftrylockfile])],,[#include <stdio.h>]) + +# Mandated by POSIX, decls not present in some versions of newlib, +# some versions stubbed in newlib's rtems crt0 +RTEMS_CHECK_FUNC([seteuid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([geteuid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setegid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getegid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setuid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getuid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setgid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getgid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setsid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getsid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setpgid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getpgid],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([setpgrp],[#include <unistd.h>]) +RTEMS_CHECK_FUNC([getpgrp],[#include <unistd.h>]) + +# pthread-functions not declared in some versions of newlib. +RTEMS_CHECK_FUNC([pthread_attr_getguardsize],[#include <pthread.h>]) +RTEMS_CHECK_FUNC([pthread_attr_setguardsize],[#include <pthread.h>]) +RTEMS_CHECK_FUNC([pthread_attr_setstack],[#include <pthread.h>]) +RTEMS_CHECK_FUNC([pthread_attr_getstack],[#include <pthread.h>]) + +# Newlib's unix/ directory +AC_CHECK_FUNCS([ttyname getcwd]) +# </FIXME> + +# Check if the installed toolchain provides these headers +# and error out if not. +AC_CHECK_HEADERS([tar.h errno.h sched.h sys/cdefs.h sys/queue.h],, + [rtems_missing_header="$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_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/\..*//"` + +## This is needed to generate the field offsets of the per CPU +## data structure so they can be accessed from assembly code. +AC_CHECK_SIZEOF([void *]) + +_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_VERSION], + [true], + ["]_RTEMS_VERSION["], + [RTEMS version string]) + +RTEMS_CPUOPT([__RTEMS_USE_TICKS_FOR_STATISTICS__], + [test x"${USE_TICKS_FOR_STATISTICS}" = x"1"], + [1], + [disable nanosecond granularity for statistics]) + +RTEMS_CPUOPT([__RTEMS_USE_TICKS_CPU_USAGE_STATISTICS__], + [test x"${USE_TICKS_FOR_CPU_USAGE_STATISTICS}" = x"1"], + [1], + [disable nanosecond granularity for cpu usage statistics]) + +RTEMS_CPUOPT([__RTEMS_USE_TICKS_RATE_MONOTONIC_STATISTICS__], + [test x"${USE_TICKS_FOR_RATE_MONOTONIC_STATISTICS}" = x"1"], + [1], + [disable nanosecond granularity for period statistics]) + +## This improves both the size and coverage analysis. +RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH__], + [test x"${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_SIZEOF_VOID_P__], + [true], + [$ac_cv_sizeof_void_p], + [Size of a void * pointer]) + +RTEMS_CPUOPT([__RTEMS_MAJOR__], + [true], + [$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([$HAVE_ASSIGNABLE_STDIO]) + +# libmisc/serdbg exploits weak symbols +RTEMS_CHECK_GCC_WEAK + +# FIXME: These checks are only in here to provide +# configuration-time diagnostics and are not really used. +AC_CHECK_DECLS([_POSIX_LOGIN_NAME_MAX],,,[#include <limits.h>]) +AC_CHECK_DECLS([CHAR_BIT],,,[#include <limits.h>]) + +# FIXME: We should get rid of this. +# So far, only used in libfs/src/nfsclient/src/dirutils.c +AC_CHECK_SIZEOF([mode_t]) +AC_CHECK_SIZEOF([off_t]) + +# FIXME: Mandatory in SUSv4, optional in SUSv3. +# Not implemented in GCC/newlib, so far. +AC_CHECK_DECLS([WORD_BIT],,,[#include <limits.h>]) +AC_CHECK_DECLS([LONG_BIT],,,[#include <limits.h>]) + +## BSD-ism, excluded from POSIX, but available on most platforms +AC_CHECK_DECLS([sbrk],,,[#include <unistd.h>]) + +## Check if libc provides BSD's strlcpy/strlcat +AC_CHECK_FUNCS(strlcpy strlcat) + +# ... far too many conditionals ... +AM_CONDITIONAL(LIBRPC,[test x"$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"$enable_ada" = x"yes"]) + +AM_CONDITIONAL([LIBDOSFS],[dnl +test x"$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/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 |