#
# $Id: configure.in,v 1.135 2008/03/10 10:44:30 ballen4705 Exp $
#
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.50)
AC_INIT(smartmontools, 5.38, 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: configure.in,v 1.135 2008/03/10 10:44:30 ballen4705 Exp $'`
smartmontools_release_date=2008/03/10
smartmontools_release_time="10:44:07 GMT"

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 "${host}" in
	*-*-mingw*)
		CPPFLAGS="$CPPFLAGS -mno-cygwin"
		LDFLAGS="$LDFLAGS -mno-cygwin"
		CPPFLAGS="$CPPFLAGS -idirafter ${srcdir}/posix -idirafter ${srcdir}/os_win32"
		;;
	*-*-freebsd*)
		CPPFLAGS="$CPPFLAGS -I/usr/src/sys"
		;;
esac

dnl Checks for libraries.needed for gethostbyname (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(gethostbyname, nsl, , AC_SEARCH_LIBS(gethostbyname, nsl, , , -lsocket), , )

dnl Checks for header files.
AC_CHECK_HEADERS([locale.h])
AC_CHECK_HEADERS([getopt.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])
AC_CHECK_FUNCS([getopt_long])
AC_CHECK_FUNCS([getdomainname])
AC_CHECK_FUNCS([gethostname])
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 (default is ${sysconfdir}/rc.d/init.d)])],[initddir="$withval"],[initddir='${sysconfdir}/rc.d/init.d'])
AC_SUBST(initddir)

AC_ARG_WITH(docdir,[AC_HELP_STRING([--with-docdir=dir],[Location of documentation (default is ${prefix}/share/doc/smartmontools-5.X)])],[docdir="$withval"],[docdir='${prefix}/share/doc/${PACKAGE}-${VERSION}'])
AC_SUBST(docdir)

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)

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)

dnl if OS not recognized, then use the os_generic modules
case "${host}" in
	*-*-linux*)
		AC_SUBST([os_deps], ['os_linux.o cciss.o']) 
		AC_SUBST([os_libs], ['']) ;;
	*-*-freebsd*|*-*-dragonfly*|*-*-kfreebsd*-gnu*)
		AC_SUBST([os_deps], ['os_freebsd.o cciss.o']) 
		AC_SUBST([os_libs], ['-lcam']);;
	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

# 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

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])

dnl Add -Wall and -W if using gcc and its not already specified.
if test "x$GCC" = "xyes"; then
  if test -z "`echo "$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="$CXXFLAGS -Wno-format";;
  esac
else
 dnl We are NOT using gcc, so enable host-specific compiler flags
 case "${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 warnings on use of string literal (const char[]) as
	    dnl char*. TODO: Sun Studio 10 (Sun C++ 5.7) or above only?
	    CXXFLAGS="-erroff=%none,wbadinitl,wbadasgl,badargtypel2w $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