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configure.in

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  • configure.in 15.19 KiB
    #
    # $Id$
    #
    dnl Process this file with autoconf to produce a configure script.
    AC_PREREQ(2.50)
    AC_INIT(smartmontools, 5.40, smartmontools-support@lists.sourceforge.net)
    AC_CONFIG_SRCDIR(smartctl.cpp)
    
    smartmontools_configure_date=`date -u +'%Y-%m-%d %T %Z'`
    smartmontools_cvs_tag=`echo '$Id$'`
    smartmontools_release_date=2009-12-09
    smartmontools_release_time="21:00:32 UTC"
    
    AC_DEFINE_UNQUOTED(SMARTMONTOOLS_CONFIGURE_ARGS, "$ac_configure_args",            [smartmontools Configure Arguments])
    AC_DEFINE_UNQUOTED(SMARTMONTOOLS_CONFIGURE_DATE, "$smartmontools_configure_date", [smartmontools Configure Date])
    AC_DEFINE_UNQUOTED(SMARTMONTOOLS_RELEASE_DATE,   "$smartmontools_release_date",   [smartmontools Release Date])
    AC_DEFINE_UNQUOTED(SMARTMONTOOLS_RELEASE_TIME,   "$smartmontools_release_time",   [smartmontools Release Time])
    AC_DEFINE_UNQUOTED(CONFIG_H_CVSID,               "$smartmontools_cvs_tag",        [smartmontools CVS Tag])
    AC_DEFINE_UNQUOTED(PACKAGE_HOMEPAGE,             "http://smartmontools.sourceforge.net/", [smartmontools Home Page])
    
    AM_CONFIG_HEADER(config.h)
    
    AM_INIT_AUTOMAKE
    
    AM_MAINTAINER_MODE
    
    AC_LANG_CPLUSPLUS
    dnl Checks for programs.
    AC_PROG_CXX
    AM_PROG_AS
    AC_PROG_INSTALL
    
    AC_CANONICAL_HOST
    dnl Set flags which may affect AC_CHECK_*.
    case "${host}" in
    	*-*-mingw*)
    		# If building on Cygwin and not cross-compiling add '-mno-cygwin'
    		# to select MinGW gcc. This does no longer work for gcc 4.x.
    		if test "${build}" = "${host}" && test -x /usr/bin/uname && \
    		   /usr/bin/uname | grep -i '^CYGWIN' >/dev/null; then
    		  AC_MSG_CHECKING([whether C and C++ compiler support -mno-cygwin])
    		  gcc_support_m_no_cygwin=no
    		  if $CC  -v -mno-cygwin >/dev/null 2>&1 && \
    		     $CXX -v -mno-cygwin >/dev/null 2>&1; then
    		    gcc_support_m_no_cygwin=yes
    		  fi
    		  AC_MSG_RESULT([$gcc_support_m_no_cygwin])
    		  if test "$gcc_support_m_no_cygwin" != "yes"; then
    		    AC_MSG_ERROR([$CC and $CXX do not support -mno-cygwin, see INSTALL file for details.])
    		  fi
    		  CPPFLAGS="$CPPFLAGS -mno-cygwin"
    		  LDFLAGS="$LDFLAGS -mno-cygwin"
    		fi
    		CPPFLAGS="$CPPFLAGS -idirafter ${srcdir}/posix -idirafter ${srcdir}/os_win32"
    		;;
    	*-*-freebsd*)
    		CPPFLAGS="$CPPFLAGS -I/usr/src/sys"
    		;;
    esac
    
    # Check for SVN.
    AC_MSG_CHECKING([whether this is a build from SVN])
    is_svn_build=no
    if test -f "$srcdir/.svn/entries"; then
      is_svn_build=unknown
      if (cd "$srcdir" && svn --version && svnversion && svn info) >/dev/null 2>&1; then
        is_svn_build=yes
      fi
    fi
    AM_CONDITIONAL(IS_SVN_BUILD, [test "$is_svn_build" = "yes"])
    AC_MSG_RESULT([$is_svn_build])
    
    dnl Checks for libraries needed for name services (Solaris needs
    dnl libnsl, might in the future also need libsocket)
    #  AC_SEARCH_LIBS (FUNCTION, SEARCH-LIBS, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [OTHER-LIBRARIES])
    AC_SEARCH_LIBS(socket, socket)
    AC_SEARCH_LIBS(gethostbyname, nsl)
    AC_SEARCH_LIBS(getaddrinfo, nsl)
    AC_SEARCH_LIBS(getdomainname, nsl)
    
    dnl Checks for header files.
    AC_CHECK_HEADERS([locale.h])
    AC_CHECK_HEADERS([dev/ata/atavar.h])
    AC_CHECK_HEADERS([netdb.h])
    dnl we need [u]int64_t and friends.
    AC_CHECK_HEADERS([inttypes.h])		dnl C99, UNIX98, solaris 2.6+
    AC_CHECK_HEADERS([stdint.h])		dnl C99
    AC_CHECK_HEADERS([sys/inttypes.h])	dnl pre-UNIX98
    AC_CHECK_HEADERS([sys/int_types.h])	dnl pre-UNIX98, solaris 2.6+
    dnl Check for FreeBSD twe include files...currently missing on 5.2, but should be there
    AC_CHECK_HEADERS([sys/tweio.h])
    AC_CHECK_HEADERS([sys/twereg.h])
    dnl Check for FreeBSD twa include files...
    AC_CHECK_HEADERS([sys/tw_osl_ioctl.h])
    dnl Check for FreeBSD ciss include files...
    AC_CHECK_HEADERS([dev/ciss/cissio.h])
    dnl This header file is needed for cciss_ioctl.h at least on SuSE LINUX
    AC_CHECK_HEADERS([linux/compiler.h])
    dnl Check for Linux CCISS include file
    AC_CHECK_HEADERS([linux/cciss_ioctl.h], [], [], [AC_INCLUDES_DEFAULT
    #ifdef HAVE_LINUX_COMPILER_H
    # include <linux/compiler.h>
    #endif
    ])
    
    dnl Checks for typedefs, structures, and compiler characteristics.
    AC_CHECK_TYPES([int64_t, uint64_t])
    
    dnl Checks for library functions.
    AC_CHECK_FUNCS([getopt_long], , [
      AC_MSG_NOTICE([smartmontools does no longer support platforms without getopt_long().])
      AC_MSG_NOTICE([Please inform ${PACKAGE_BUGREPORT},])
      AC_MSG_NOTICE([including details about your build environment.])
      AC_MSG_ERROR([function getopt_long() not found])
    ])
    
    AC_CHECK_FUNCS([getdomainname])
    AC_CHECK_FUNCS([gethostname])
    AC_CHECK_FUNCS([getaddrinfo])
    AC_CHECK_FUNCS([gethostbyname])
    AC_CHECK_FUNCS([sigset])
    AC_CHECK_FUNCS([strtoull])
    AC_CHECK_FUNCS([uname])
    
    # Check whether snprintf appends null char and returns expected length on overflow
    AH_TEMPLATE(HAVE_WORKING_SNPRINTF, [Define to 1 if the `snprintf' function is sane])
    AC_MSG_CHECKING([for working snprintf])
    AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[ char buf[]="ABCDEFGHI";
                   int i=snprintf(buf,8,"12345678"); return !(!buf[7] && i==8); ]])],
                  [libc_have_working_snprintf=yes],
    	      [libc_have_working_snprintf=no],
    	      [libc_have_working_snprintf=no])
    AC_SUBST(libc_have_working_snprintf)
    if test "$libc_have_working_snprintf" = "yes"; then
      AC_DEFINE(HAVE_WORKING_SNPRINTF)
    fi
    AC_MSG_RESULT([$libc_have_working_snprintf])
    
    # check for __attribute__((packed))
    AH_TEMPLATE(HAVE_ATTR_PACKED, [Define to 1 if C++ compiler supports __attribute__((packed))])
    AC_MSG_CHECKING([whether C++ compiler supports __attribute__((packed))])
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [[struct a { int b; } __attribute__((packed));]])],
                      [gcc_have_attr_packed=yes], [gcc_have_attr_packed=no])
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [[#if defined(__SUNPRO_C) || defined(__SUNPRO_CC)
    #error "Sun's compiler cannot handle __attribute__((packed))!"
    #endif]])],
                      [true], [gcc_have_attr_packed=no])
    AC_SUBST(gcc_have_attr_packed)
    if test "$gcc_have_attr_packed" = "yes"; then
      AC_DEFINE(HAVE_ATTR_PACKED)
    fi
    AC_MSG_RESULT([$gcc_have_attr_packed])
    
    AC_SUBST(CPPFLAGS)
    AC_SUBST(LDFLAGS)
    AC_SUBST(ASFLAGS)
    
    AC_SUBST([exampledir], ['${docdir}/examplescripts'])
    
    AC_ARG_WITH(initscriptdir,
      [AC_HELP_STRING([--with-initscriptdir=DIR],[Location of init scripts [SYSCONFDIR/rc.d/init.d]])],
      [initddir="$withval"],[initddir='${sysconfdir}/rc.d/init.d'])
    AC_SUBST(initddir)
    AM_CONDITIONAL(INSTALL_INITSCRIPT, [test "$with_initscriptdir" != "no"])
    
    docdir_is_default=no
    AC_ARG_WITH(docdir,
      [AC_HELP_STRING([--with-docdir=DIR],[Location of documentation [DATADIR/doc/smartmontools]])],
      [docdir="$withval"],
      [ if test -z "$docdir"; then
          # autoconf 2.5x without '--docdir' support
          docdir='${datadir}/doc/${PACKAGE}'
          docdir_is_default=yes
        elif test "$docdir" = '${datarootdir}/doc/${PACKAGE_TARNAME}'; then
          # autoconf 2.6x '--docdir' default
          docdir_is_default=yes
        fi
      ])
    AC_SUBST(docdir)
    
    AC_ARG_ENABLE(drivedb, [AC_HELP_STRING([--enable-drivedb],[Enables drive database file])])
    
    AC_ARG_WITH(drivedbdir,
      [AC_HELP_STRING([--with-drivedbdir=DIR],[Location of drive database file (implies --enable-drivedb) [DATADIR/smartmontools]])],
      [drivedbdir="$withval"; enable_drivedb="yes"],
      [drivedbdir=; test "$enable_drivedb" = "yes" && drivedbdir='${datadir}/${PACKAGE}'])
    AC_SUBST(drivedbdir)
    AM_CONDITIONAL(ENABLE_DRIVEDB, [test "$enable_drivedb" = "yes"])
    
    AC_ARG_ENABLE(savestates, [AC_HELP_STRING([--enable-savestates],[Enables default smartd state files])])
    
    AC_ARG_WITH(savestates,
      [AC_HELP_STRING([--with-savestates=PREFIX],[Prefix for default smartd state files (implies --enable-savestates) [LOCALSTATEDIR/lib/smartmontools/smartd.]])],
      [savestates="$withval"; enable_savestates="yes"],
      [savestates=; test "$enable_savestates" = "yes" && savestates='${localstatedir}/lib/${PACKAGE}/smartd.'])
    savestatesdir="${savestates%/*}"
    AC_SUBST(savestates)
    AC_SUBST(savestatesdir)
    AM_CONDITIONAL(ENABLE_SAVESTATES, [test "$enable_savestates" = "yes"])
    
    AC_ARG_ENABLE(attributelog, [AC_HELP_STRING([--enable-attributelog],[Enables default smartd attribute log files])])
    
    AC_ARG_WITH(attributelog,
      [AC_HELP_STRING([--with-attributelog=PREFIX],[Prefix for default smartd attribute log files (implies --enable-attributelog) [LOCALSTATEDIR/lib/smartmontools/attrlog.]])],
      [attributelog="$withval"; enable_attributelog="yes"],
      [attributelog=; test "$enable_attributelog" = "yes" && attributelog='${localstatedir}/lib/${PACKAGE}/attrlog.'])
    attributelogdir="${attributelog%/*}"
    AC_SUBST(attributelog)
    AC_SUBST(attributelogdir)
    AM_CONDITIONAL(ENABLE_ATTRIBUTELOG, [test "$enable_attributelog" = "yes"])
    
    AC_ARG_ENABLE(sample,[AC_HELP_STRING([--enable-sample],[Enables appending .sample to the installed smartd rc script and configuration file])],[smartd_suffix='.sample'],[smartd_suffix=''])
    AC_SUBST(smartd_suffix)
    AM_CONDITIONAL(SMARTD_SUFFIX, test $smartd_suffix)
    
    AC_ARG_WITH(os-deps,
      [AC_HELP_STRING([--with-os-deps='os_module.o ...'],[Specify OS dependent module(s) [guessed]])],
      [ for x in $with_os_deps; do
          case $x in
            *.o) ;;
            *) AC_MSG_ERROR([non-object file specified by --with-os-deps]) ;;
          esac
        done
      ],[])
    
    AC_ARG_WITH(selinux,[AC_HELP_STRING([--with-selinux],[Enables SELinux support])],
    	[
    		AC_CHECK_HEADERS([selinux/selinux.h], [], [echo "*** Error: Missing SELinux header files";exit 1])
    		AC_CHECK_LIB(selinux, matchpathcon, [with_selinux=yes], [echo "*** Error: Missing or incorrect SELinux library files"; exit 1],)
    	],[])
    AC_SUBST(with_selinux)
    if test "$with_selinux" = "yes"; then
    	AC_DEFINE(WITH_SELINUX, [1], [Define to 1 if SELinux support is enabled])
    fi
    
    if test "$prefix" = "NONE"; then
        dnl no prefix and no mandir, so use ${prefix}/share/man as default
        if test "$mandir" = '${prefix}/man'; then
        	AC_SUBST([mandir], ['${prefix}/share/man'])
        fi
    fi
    
    AC_SUBST(releaseversion,['${PACKAGE}-${VERSION}'])
    AC_SUBST(smartmontools_release_date)
    AC_SUBST(smartmontools_release_time)
    
    AC_MSG_CHECKING([for OS dependent modules and libraries])
    dnl if OS not recognized, then use the os_generic modules
    case "${host}" in
    	*-*-linux*)
    		AC_SUBST([os_deps], ['os_linux.o cciss.o']) 
    		if test "$with_selinux" = "yes"; then
    			AC_SUBST([os_libs], ['-lselinux'])
    		else
    			AC_SUBST([os_libs], [''])
    		fi;;
    	*-*-freebsd*|*-*-dragonfly*|*-*-kfreebsd*-gnu*)
    		AC_SUBST([os_deps], ['os_freebsd.o cciss.o']) 
    		AC_SUBST([os_libs], ['-lcam'])
    		AC_CHECK_LIB(usb, libusb20_dev_get_device_desc)
    		;;
    	sparc-*-solaris*) 
    		AC_DEFINE_UNQUOTED(DEFAULT_MAILER, "mailx", [use mailx as default mailer])
    		AC_DEFINE_UNQUOTED(NEED_SOLARIS_ATA_CODE, "os_solaris_ata.s", [need assembly code os_solaris_ata.s])
    		AC_SUBST([os_deps], ['os_solaris.o os_solaris_ata.o']) 
    		AC_SUBST([os_libs], ['']) ;;
    	*-pc-solaris*) 
    		AC_DEFINE_UNQUOTED(DEFAULT_MAILER, "mailx", [use mailx as default mailer]) 
    		AC_SUBST([os_deps], ['os_solaris.o']) 
    		AC_SUBST([os_libs], ['']) ;;
    	*-*-netbsd*)
    		AC_SUBST([os_deps], ['os_netbsd.o']) 
    		AC_SUBST([os_libs], ['-lutil']) ;;
    	*-*-openbsd*)
    		AC_SUBST([os_deps], ['os_openbsd.o'])
    		AC_SUBST([os_libs], ['-lutil']) ;;
    	*-*-cygwin*)
    		AC_SUBST([os_deps], ['os_win32.o'])
    		AC_SUBST([os_libs], ['']) ;;
    	*-*-mingw*)
    		AC_SUBST([os_deps], ['os_win32.o'])
    		AC_SUBST([os_libs], ['']) ;;
    	*-*-darwin*)
    		AC_SUBST([os_deps], ['os_darwin.o'])
    		AC_SUBST([os_libs], ['-framework CoreFoundation -framework IOKit']) ;;
    	*-*-nto-qnx*)
    		AC_SUBST([os_deps], ['os_qnxnto.o'])
    		AC_SUBST([os_libs], ['']) ;;
    		
    	*)
    		AC_SUBST([os_deps], ['os_generic.o']) 
    		AC_SUBST([os_libs], ['']) ;;
    esac
    
    # Replace if '--with-os-deps' was specified
    test -z "$with_os_deps" || os_deps="$with_os_deps"
    AC_MSG_RESULT([$os_deps $os_libs])
    
    # Define symbols for optional functions in OS specific module
    case "${os_deps}" in
      os_win32*)
        AC_DEFINE(HAVE_ATA_IDENTIFY_IS_CACHED, 1, [Define to 1 if you have the `ata_identify_is_cached' function in os_*.c.]) ;;
    esac
    case "${os_deps}" in
      os_win32*)
        AC_DEFINE(HAVE_GET_OS_VERSION_STR, 1, [Define to 1 if you have the `get_os_version_str' function in os_*.c.]) ;;
    esac
    
    # Check if we need adapter to old interface (dev_legacy.cpp)
    os_src=`echo "${os_deps}"|sed -n 's,^\([[^ .]]*\)\.o.*$,\1.cpp,p'`
    AC_MSG_CHECKING([whether ${os_src} uses new interface])
    if grep "smart_interface" "${srcdir}/${os_src}" >/dev/null 2>&1; then
      os_new_interface=yes
    else
      os_new_interface=no
      os_deps="${os_deps} dev_legacy.o"
      AC_DEFINE(OLD_INTERFACE, 1, [Define to 1 if os_*.cpp still uses the old interface])
    fi
    AC_MSG_RESULT([$os_new_interface])
    
    dnl Define platform-specific symbol.
    AM_CONDITIONAL(OS_DARWIN, [echo $host_os | grep '^darwin' > /dev/null])
    AM_CONDITIONAL(OS_SOLARIS, [echo $host_os | grep '^solaris' > /dev/null])
    AM_CONDITIONAL(OS_WIN32_MINGW, [echo $host_os | grep '^mingw' > /dev/null])
    AM_CONDITIONAL(OS_FREEBSD, [echo $host_os | grep '^freebsd' > /dev/null])
    
    dnl Add -Wall and -W if using g++ and its not already specified.
    if test "$GXX" = "yes"; then
      if test -z "`echo "$CXXFLAGS" | grep "\-Wall" 2> /dev/null`" ; then
          CXXFLAGS="$CXXFLAGS -Wall"
      fi
    # In the next line, do NOT delete the 2 spaces inside double quotes.
      if test -z "`echo "$CXXFLAGS " | grep "\-W " 2> /dev/null`" ; then
          CXXFLAGS="$CXXFLAGS -W"
      fi
      case "${host}" in
        *-*-mingw*)
          # MinGW uses MSVCRT.DLL which uses printf format "%I64d" and not "%lld" for int64_t
          CXXFLAGS="$CXXFLAGS -Wno-format";;
      esac
    
      # Disable strict aliasing rules by default (see ticket #23).
      if test -z "`echo "$CXXFLAGS" | grep "\-f[[no-]]*strict-aliasing" 2> /dev/null`" ; then
        AC_MSG_CHECKING([whether g++ supports -fno-strict-aliasing])
        ac_save_CXXFLAGS="$CXXFLAGS"
        CXXFLAGS="-fno-strict-aliasing"
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
          [gcc_have_fno_strict_aliasing=yes], [gcc_have_fno_strict_aliasing=no])
        CXXFLAGS="$ac_save_CXXFLAGS"
        if test "$gcc_have_fno_strict_aliasing" = "yes"; then
          CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
        fi
        AC_MSG_RESULT([$gcc_have_fno_strict_aliasing])
      fi
    
    else
     dnl We are NOT using gcc, so enable host-specific compiler flags
     case "${host}" in
    	sparc*-*-solaris*) 
              dnl set CXXFLAGS for Solaris/SPARC C++ compiler
              if test -z "`echo "$CXXFLAGS" | grep "\-xmemalign" 2> /dev/null`" ; then
                dnl we have to tell the compilers about packed ATA structures
                CXXFLAGS="-xmemalign=1i $CXXFLAGS"
              fi
     esac
     case "${host}" in
    	*-*-solaris*) 
              if test -z "`echo "$CXXFLAGS" | grep "\-xO" 2> /dev/null`" ; then
                dnl turn on optimization if user has not explicitly set its value
                CXXFLAGS="-xO2 $CXXFLAGS"
              fi
              if test -z "`echo "$CXXFLAGS" | grep "\-erroff" 2> /dev/null`" ; then
    	    dnl suppress trivial warnings
    	    CXXFLAGS="-erroff=%none,wbadinitl,wbadasgl,badargtypel2w,badargtype2w $CXXFLAGS"
    	  fi
     esac
    fi
    
    AC_DEFINE_UNQUOTED(SMARTMONTOOLS_BUILD_HOST,     "${host}",                       [smartmontools Build Host])
    
    AC_SUBST(CXXFLAGS)
    
    AC_OUTPUT(Makefile examplescripts/Makefile)
    AC_PROG_MAKE_SET
    
    # Print note that the docdir default value has changed
    # TODO: Remove this after next release
    if test "$docdir_is_default" = "yes"; then
      old_def_docdir='${prefix}/share/doc/${PACKAGE}-${VERSION}'
      old_def_docdir_eval="`eval eval eval echo $old_def_docdir`"
      docdir_eval="`eval eval eval echo $docdir`"
      AC_MSG_NOTICE([********** PLEASE NOTE **********])
      AC_MSG_NOTICE(['docdir' default has changed])
      AC_MSG_NOTICE([from: $old_def_docdir_eval])
      AC_MSG_NOTICE([to:   $docdir_eval])
      AC_MSG_NOTICE([*********************************])
    fi