## Process this file with autoconf to produce a configure script. ## ## $Id$ AC_PREREQ(2.57) AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com]) AC_CONFIG_SRCDIR([score]) RTEMS_TOP(..) RTEMS_CANONICAL_TARGET_CPU AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.7.2]) 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 RTEMS_CHECK_CPU RTEMS_CANONICAL_HOST RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm]) RTEMS_CANONICALIZE_TOOLS AC_PROG_RANLIB # FIXME: For the moment, no reason to check for ada # RTEMS_PROG_GNAT RTEMS_CHECK_NEWLIB RTEMS_CHECK_MULTIPROCESSING RTEMS_CHECK_POSIX_API RTEMS_CHECK_ITRON_API RTEMS_CHECK_NETWORKING # If RTEMS macros are enabled, then use them. Otherwise, use inlines. AS_IF([test "$RTEMS_USE_MACROS" = "yes"], [INLINEdir="macros"], [INLINEdir="inline"]) AC_SUBST(INLINEdir) AC_DEFINE(RTEMS_VERSION,["][_RTEMS_VERSION]["],[RTEMS version string]) RTEMS_CPU_SUBDIRS([score/cpu]) AS_IF([test x"$HAS_NETWORKING" = x"yes"],[ ## FIXME: Should better use a feature-based test AC_MSG_CHECKING([whether CPU supports librpc]) case "$RTEMS_CPU" in c4x ) LIBRPC=no;; or32 ) LIBRPC=no;; * ) LIBRPC=yes;; esac AC_MSG_RESULT([$LIBRPC]) ]) AC_ARG_ENABLE([ada], [AC_HELP_STRING([--enable-ada],[enable ada support])], [case "${enable_ada}" in yes) ;; no) ;; *) AC_MSG_ERROR([bad value ${enable_ada} for --enable-ada]) ;; esac],[enable_ada=no]) RTEMS_DEFINE_POSIX_API RTEMS_DEFINE_ITRON_API RTEMS_DEFINE_MULTIPROCESSING # HACK: We should use a feature-based configuration. AS_IF([test x"${RTEMS_CPU}" = x"unix"],[ AC_DEFINE_UNQUOTED([RTEMS_UNIX],[1],[to indicate RTEMS unix]) # HACK: silently accept --enable-unixlib test -n "${enable_unixlib}" || enable_unixlib="yes" ]) AS_IF([test x"${enable_unixlib}" = x"yes"], [AC_DEFINE_UNQUOTED([RTEMS_UNIXLIB],[1], [to indicate RTEMS using RTEMS's unixlib])] ) # 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]) AM_CONFIG_HEADER([score/include/rtems/score/cpuopts-tmp.h],[ echo "/* target cpu dependent options file */" >$tmp/config.h echo "/* automatically generated -- DO NOT EDIT!! */" >>$tmp/config.h echo >>$tmp/config.h echo "#ifndef __CPU_OPTIONS_h" >>$tmp/config.h echo "#define __CPU_OPTIONS_h" >>$tmp/config.h echo >>$tmp/config.h sed -e '/.*PACKAGE.*/d' score/include/rtems/score/cpuopts-tmp.h >> $tmp/config.h echo >>$tmp/config.h echo "#endif" >>$tmp/config.h AS_IF([cmp -s score/include/rtems/score/cpuopts.h $tmp/config.h 2>/dev/null], [AC_MSG_NOTICE([score/include/rtems/score/cpuopts.h is unchanged]) rm -f $tmp/config.h], [AC_MSG_NOTICE([creating score/include/rtems/score/cpuopts.h]) rm -f score/include/rtems/score/cpuopts.h mv $tmp/config.h score/include/rtems/score/cpuopts.h]) ]) AC_ENABLE_MULTILIB([Makefile],[..]) ## HACK: Add a define to cpuopts.h to indicate using multilibs ## Can be applied to produce compiler errors if using ## multilib-incompatible settings somewhere else (eg. bspopts.h). AS_IF([test x"${enable_multilib}" = x"yes"],[ AC_DEFINE_UNQUOTED([RTEMS_MULTILIBS],[1],[using multilib'ed RTEMS]) ]) # 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 AC_CACHE_CHECK([whether $CC supports function __attribute__((weak))], [rtems_cv_cc_attribute_weak],[ AS_IF([test x"$GCC" = xyes],[ save_CFLAGS=$CFLAGS CFLAGS=-Werror]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [void myfunc(char c) __attribute__ ((weak)); void myfunc(char c) {}], [])], [rtems_cv_cc_attribute_weak=yes], [rtems_cv_cc_attribute_weak=no]) AS_IF([test x"$GCC" = xyes],[ CFLAGS=$save_CFLAGS]) ]) AS_IF([test x"$RTEMS_USE_NEWLIB" != x"yes"],[ ## Provide headers only if the host doesn't. AC_CHECK_HEADERS([sys/cdefs.h],[NEED_SYS_CDEFS_H=no],[NEED_SYS_CDEFS_H=yes]) AC_CHECK_HEADERS([stdint.h],[NEED_STDINT_H=no],[NEED_STDINT_H=yes]) AC_CHECK_HEADERS([inttypes.h],[NEED_INTTYPES_H=no],[NEED_INTTYPES=yes]) ],[ ## Using newlib, we provide sys/cdefs.h NEED_SYS_CDEFS_H=yes NEED_STDINT_H=yes NEED_INTTYPES_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 ]) AC_CHECK_DECLS([CHAR_BIT],,,[#include ]) AS_IF([test x"${RTEMS_USE_NEWLIB}" = x"yes"],[ ac_cv_have_decl_XTABS=yes ac_cv_have_decl_OLCUC=yes ## SUSV3, but seemingly not available on some platforms (reportedly FreeBSD) ac_cv_have_decl_ONLRET=yes ac_cv_have_decl_ONOCR=yes ac_cv_have_decl_TABDLY=yes ac_cv_have_decl_OCRNL=yes ac_cv_have_decl_IUCLC=yes ## SUSV3-XSI extension ac_cv_have_decl_ECHOPRT=yes ]) # FIXME: Some cruft to work around portability issues with termios.c ## Seemingly not covered by any standard. AC_CHECK_DECLS([XTABS],,,[#include ]) AC_CHECK_DECLS([OLCUC],,,[#include ]) ## SUSV3, but seemingly not available on some platforms (reportedly FreeBSD) AC_CHECK_DECLS([ONLRET],,,[#include ]) AC_CHECK_DECLS([ONOCR],,,[#include ]) AC_CHECK_DECLS([TABDLY],,,[#include ]) AC_CHECK_DECLS([OCRNL],,,[#include ]) AC_CHECK_DECLS([IUCLC],,,[#include ]) ## SUSV3-XSI extension AC_CHECK_DECLS([ECHOPRT],,,[#include ]) ## BSD-ism, excluded from POSIX, but available on most platforms AC_CHECK_DECLS([sbrk],,,[#include ]) ## Check if libc provides BSD's strlcpy/strlcat AC_CHECK_FUNCS(strlcpy strlcat) # ... far too many conditionals ... AM_CONDITIONAL(LIBRPC,[test "$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"$INLINEdir" = x"inline" ) AM_CONDITIONAL(MACROS,test x"$INLINEdir" = x"macros" ) AM_CONDITIONAL(HAS_MP,test x"$HAS_MP" = x"yes" ) AM_CONDITIONAL(HAS_POSIX,test x"$HAS_POSIX_API" = x"yes") AM_CONDITIONAL(HAS_ITRON,test x"$HAS_ITRON_API" = x"yes") AM_CONDITIONAL(HAS_NETWORKING,test x"$HAS_NETWORKING" = x"yes") # FIXME: All ports should have a libscorecpu.a - But the powerpc doesn't! AM_CONDITIONAL([LIBSCORECPU], [test -f "${srcdir}/score/cpu/${RTEMS_CPU}/cpu.c"]) AM_CONDITIONAL(RTEMS_ADA,[test x"$enable_ada" = x"yes" \ && test x"$HAS_POSIX_API" = x"yes"]) AM_CONDITIONAL([NEED_SYS_CDEFS_H],[test x"$NEED_SYS_CDEFS_H" = x"yes"]) AM_CONDITIONAL([NEED_STDINT_H],[test x"$NEED_STDINT_H" = x"yes"]) AM_CONDITIONAL([NEED_INTTYPES_H],[test x"$NEED_INTTYPES_H" = x"yes"]) AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"]) AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"]) # Explicitly list all Makefiles here AC_CONFIG_FILES([ Makefile include/Makefile ada/Makefile rtems/Makefile sapi/Makefile score/Makefile score/cpu/Makefile posix/Makefile itron/Makefile libblock/Makefile libfs/Makefile libfs/src/Makefile libfs/src/imfs/Makefile libfs/src/dosfs/Makefile libcsupport/Makefile libnetworking/Makefile libnetworking/lib/Makefile libnetworking/libc/Makefile libnetworking/wrapup/Makefile librpc/Makefile librpc/include/Makefile librpc/src/Makefile librpc/src/xdr/Makefile librpc/src/rpc/Makefile libmisc/Makefile libmisc/cpuuse/Makefile libmisc/shell/Makefile libmisc/devnull/Makefile libmisc/dummy/Makefile libmisc/dumpbuf/Makefile libmisc/monitor/Makefile libmisc/rtmonuse/Makefile libmisc/serdbg/Makefile libmisc/stackchk/Makefile libmisc/capture/Makefile libmisc/untar/Makefile libmisc/mw-fb/Makefile libmisc/wrapup/Makefile wrapup/Makefile ]) AC_OUTPUT