707 lines
20 KiB
Plaintext
707 lines
20 KiB
Plaintext
dnl
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dnl originally from ncftp 2.3.0
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dnl added wi_EXTRA_PDIR and wi_ANSI_C
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dnl $Id$
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dnl
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AC_DEFUN([wi_EXTRA_IDIR], [
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incdir="$1"
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if test -r $incdir ; then
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already=""
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for CPPflag in $CPPFLAGS ; do
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if test "_$CPPflag" = "_-I${incdir}" ; then
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already=yes
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break
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fi
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done
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if test -n "$already" ; then
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echo " + already had -I$incdir" 1>&AS_MESSAGE_LOG_FD
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else
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if test "$CPPFLAGS" = "" ; then
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CPPFLAGS="-I$incdir"
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else
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CPPFLAGS="$CPPFLAGS -I$incdir"
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fi
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echo " + added -I$incdir" 1>&AS_MESSAGE_LOG_FD
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fi
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else
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echo " + IDIR is not accessible: '$myincdir'" 1>&AS_MESSAGE_LOG_FD
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fi
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])
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dnl
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dnl
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dnl
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dnl
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AC_DEFUN([wi_EXTRA_LDIR], [
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mylibdir="$1"
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if test -r $mylibdir ; then
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already=""
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for LDflag in $LDFLAGS ; do
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if test "_$LDflag" = "_-L${mylibdir}" ; then
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already=yes
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break
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fi
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done
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if test -n "$already" ; then
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echo " + already had -L$mylibdir" 1>&AS_MESSAGE_LOG_FD
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else
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if test "$LDFLAGS" = "" ; then
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LDFLAGS="-L$mylibdir"
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else
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LDFLAGS="$LDFLAGS -L$mylibdir"
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fi
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echo " + added -L$mylibdir" 1>&AS_MESSAGE_LOG_FD
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fi
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else
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echo " + LDIR is not accessible: '$mylibdir'" 1>&AS_MESSAGE_LOG_FD
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fi
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])
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dnl
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dnl __FP__
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dnl
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dnl
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AC_DEFUN([wi_EXTRA_PDIR], [
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progdir="$1"
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if test -r $progdir ; then
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case ":$PATH:" in
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*:${progdir}:*)
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echo " + already had $progdir in \$PATH" 1>&AS_MESSAGE_LOG_FD
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;;
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*)
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if test "$PATH" = "" ; then
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PATH="$progdir"
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else
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PATH="$PATH:$progdir"
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fi
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echo " + appended $progdir to \$PATH" 1>&AS_MESSAGE_LOG_FD
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;;
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esac
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else
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echo " + PDIR is not accessible: '$progdir'" 1>&AS_MESSAGE_LOG_FD
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fi
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])
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dnl
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dnl
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dnl If you want to also look for include and lib subdirectories in the
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dnl $HOME tree, you supply "yes" as the first argument to this macro.
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dnl
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dnl If you want to look for subdirectories in include/lib directories,
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dnl you pass the names in argument 3, otherwise pass a dash.
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dnl
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AC_DEFUN([wi_EXTRA_DIRS], [echo "checking for extra include and lib directories..." 1>&6
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ifelse([$1], yes, [dnl
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b1=`cd .. ; pwd`
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b2=`cd ../.. ; pwd`
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exdirs="$HOME $j $b1 $b2 $prefix $2"
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],[dnl
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exdirs="$prefix $2"
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])
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subexdirs="$3"
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if test "$subexdirs" = "" ; then
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subexdirs="-"
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fi
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for subexdir in $subexdirs ; do
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if test "$subexdir" = "-" ; then
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subexdir=""
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else
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subexdir="/$subexdir"
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fi
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for exdir in $exdirs ; do
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if test "$exdir" != "/usr" || test "$subexdir" != ""; then
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incdir="${exdir}/include${subexdir}"
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wi_EXTRA_IDIR($incdir)
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dnl On 64-bit machines, if lib64/ exists and is not identical to lib/
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dnl then it should be listed here, listed ahead of lib/.
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mylibdir64="${exdir}/lib64${subexdir}"
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mylibdir32="${exdir}/lib${subexdir}"
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if test "x86_64" = $(uname -m) \
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-a ! ${mylibdir64} -ef ${mylibdir32} ; then
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wi_EXTRA_LDIR($mylibdir64)
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fi
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wi_EXTRA_LDIR($mylibdir32)
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progdir="${exdir}/bin${subexdir}"
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wi_EXTRA_PDIR($progdir)
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fi
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done
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done
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_HPUX_CFLAGS],
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[AC_MSG_CHECKING(if HP-UX ansi C compiler flags are needed)
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AC_REQUIRE([AC_PROG_CC])
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os=`uname -s | tr '[A-Z]' '[a-z]'`
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ac_cv_hpux_flags=no
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if test "$os" = hp-ux ; then
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if test "$ac_cv_prog_gcc" = yes ; then
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if test "$CFLAGS" != "" ; then
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# Shouldn't be in there.
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CFLAGS=`echo "$CFLAGS" | sed 's/-Aa//g'`
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fi
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else
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# If you're not using gcc, then you better have a cc/c89
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# that is usable. If you have the barebones compiler, it
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# won't work. The good compiler uses -Aa for the ANSI
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# compatible stuff.
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x=`echo $CFLAGS | grep 'Aa' 2>/dev/null`
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if test "$x" = "" ; then
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CFLAGS="$CFLAGS -Aa"
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fi
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ac_cv_hpux_flags=yes
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fi
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# Also add _HPUX_SOURCE to get the extended namespace.
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x=`echo $CFLAGS | grep '_HPUX_SOURCE' 2>/dev/null`
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if test "$x" = "" ; then
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CFLAGS="$CFLAGS -D_HPUX_SOURCE"
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fi
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fi
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AC_MSG_RESULT($ac_cv_hpux_flags)
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_CFLAGS], [AC_REQUIRE([AC_PROG_CC])
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wi_HPUX_CFLAGS
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if test "$CFLAGS" = "" ; then
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CFLAGS="-O"
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elif test "$ac_cv_prog_gcc" = "yes" ; then
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case "$CFLAGS" in
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*"-g -O"*)
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#echo "using -g as default gcc CFLAGS" 1>&6
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CFLAGS=`echo $CFLAGS | sed 's/-g\ -O/-O/'`
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;;
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*"-O -g"*)
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# Leave the -g, but remove all -O options.
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#echo "using -g as default gcc CFLAGS" 1>&6
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CFLAGS=`echo $CFLAGS | sed 's/-O\ -g/-O/'`
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;;
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esac
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_PROTOTYPES], [
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AC_MSG_CHECKING(if the compiler supports function prototypes)
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AC_TRY_COMPILE(,[extern void exit(int status);],[wi_cv_prototypes=yes
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AC_DEFINE(PROTOTYPES)],wi_cv_prototypes=no)
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AC_MSG_RESULT($wi_cv_prototypes)
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_ANSI_C], [
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AC_MSG_CHECKING(ANSI-style function definitions)
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AC_TRY_COMPILE(,[int blubb(int x) { return 0; }],[wi_cv_ansi_funcs=yes
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AC_DEFINE(ANSI_FUNCS)],wi_cv_ansi_funcs=no)
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AC_MSG_RESULT($wi_cv_ansi_funcs)
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_HEADER_SYS_SELECT_H], [
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# See if <sys/select.h> is includable after <sys/time.h>
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if test "$ac_cv_header_sys_time_h" = no ; then
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AC_CHECK_HEADERS(sys/time.h sys/select.h)
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else
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AC_CHECK_HEADERS(sys/select.h)
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fi
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if test "$ac_cv_header_sys_select_h" = yes ; then
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AC_MSG_CHECKING([if <sys/select.h> is compatible with <sys/time.h>])
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selecth=yes
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if test "$ac_cv_header_sys_time_h" = yes ; then
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AC_TRY_COMPILE([#include <sys/time.h>
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#include <sys/select.h>],[
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fd_set a;
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struct timeval tmval;
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tmval.tv_sec = 0;],selecth=yes,selecth=no)
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if test "$selecth" = yes ; then
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AC_DEFINE(CAN_USE_SYS_SELECT_H)
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fi
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fi
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AC_MSG_RESULT($selecth)
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_LIB_RESOLV], [
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# See if we could access two well-known sites without help of any special
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# libraries, like resolv.
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AC_TRY_RUN([
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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main()
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{
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struct hostent *hp1, *hp2;
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int result;
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hp1 = gethostbyname("gatekeeper.dec.com");
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hp2 = gethostbyname("ftp.ncsa.uiuc.edu");
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result = ((hp1 != (struct hostent *) 0) && (hp2 != (struct hostent *) 0));
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exit(! result);
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}],look_for_resolv=no,look_for_resolv=yes,look_for_resolv=yes)
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AC_MSG_CHECKING([if we need to look for -lresolv])
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AC_MSG_RESULT($look_for_resolv)
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if test "$look_for_resolv" = yes ; then
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AC_CHECK_LIB(resolv,main)
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else
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ac_cv_lib_resolv=no
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_LIB_NSL], [
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AC_MSG_CHECKING(if we can use -lnsl)
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ac_save_LIBS="$LIBS";
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LIBS="$LIBS -lnsl";
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AC_CACHE_VAL(r_cv_use_libnsl, [
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AC_TRY_RUN(
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main() { if (getpwuid(getuid())) exit(0); exit(-1); },
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nc_cv_use_libnsl=yes, nc_cv_use_libnsl=no, nc_cv_use_libnsl=no)
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])
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if test "$nc_cv_use_libnsl" = "no"; then LIBS="$ac_save_LIBS"; fi
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AC_MSG_RESULT($nc_cv_use_libnsl)
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])dnl
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dnl
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dnl
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dnl
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AC_DEFUN([nc_PATH_PROG_ZCAT], [
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AC_PATH_PROG(GZCAT,gzcat)
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AC_PATH_PROG(ZCAT,zcat)
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if test "x$GZCAT" = x ; then
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if test "x$ZCAT" != x ; then
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# See if zcat is really gzcat. gzcat has a --version option, regular
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# zcat does not.
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AC_MSG_CHECKING(if zcat is really gzcat in disguise)
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if $ZCAT --version 2> /dev/null ; then
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AC_DEFINE_UNQUOTED(GZCAT, "$ZCAT")
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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fi
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else
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AC_DEFINE_UNQUOTED(GZCAT, "$GZCAT")
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fi
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if test "x$ZCAT" != x ; then
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AC_DEFINE_UNQUOTED(ZCAT, "$ZCAT")
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_SYSV_EXTRA_DIRS], [
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# Use System V because their curses extensions are required. This must
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# be done early so we use the -I and -L in the library checks also.
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# This is mostly a Solaris/SunOS hack. Note that doing this will also
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# use all of the other System V libraries and headers.
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AC_MSG_CHECKING(for alternative System V libraries)
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if test -f /usr/5include/curses.h ; then
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CPPFLAGS="$CPPFLAGS -I/usr/5include"
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LDFLAGS="$LDFLAGS -L/usr/5lib"
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_DEFINE_UNAME], [
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# Get first 127 chars of all uname information. Some folks have
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# way too much stuff there, so grab only the first 127.
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unam=`uname -a 2>/dev/null | cut -c1-127`
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if test "$unam" != "" ; then
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AC_DEFINE_UNQUOTED(UNAME, "$unam")
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fi
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])
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dnl
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dnl
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dnl
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AC_DEFUN([wi_READLINE_WITH_NCURSES], [
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# Readline and Ncurses could both define "backspace".
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# Warn about this if we have both things in our definitions list.
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if test "$ac_cv_lib_readline" = yes && test "$ac_cv_lib_ncurses" = yes ; then
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AC_MSG_CHECKING(if readline and ncurses will link together)
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j="$LIBS"
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LIBS="-lreadline -lncurses"
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AC_TRY_LINK(,[
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readline("prompt");
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endwin();
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],k=yes,k=no)
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if test "$k" = no ; then
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AC_MSG_RESULT(no)
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# Remove '-lreadline' from LIBS.
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LIBS=`echo $j | sed s/-lreadline//g`
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ac_cv_lib_readline=no
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AC_WARN([The versions of GNU readline and ncurses you have installed on this system
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can't be used together, because they use the same symbol, backspace. If
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possible, recompile one of the libraries with -Dbackspace=back_space, then
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re-run configure.])
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else
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AC_MSG_RESULT(yes)
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LIBS="$j"
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fi
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fi
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])
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dnl
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dnl
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dnl
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dnl AC_EXT_DAYLIGHT
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dnl Check for an external variable daylight. Stolen from w3c-libwww.
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AC_DEFUN([AC_EXT_DAYLIGHT],
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[ AC_MSG_CHECKING(int daylight variable)
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AC_TRY_COMPILE([#include <time.h>], [return daylight;],
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have_daylight=yes,
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have_daylight=no)
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AC_MSG_RESULT($have_daylight)
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])dnl
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dnl AC_EXT_TIMEZONE
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dnl Check for an external variable timezone. Stolen from tcl-8.0.
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AC_DEFUN([AC_EXT_TIMEZONE],
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[
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#
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# Its important to include time.h in this check, as some systems (like convex)
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# have timezone functions, etc.
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#
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have_timezone=no
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AC_MSG_CHECKING([long timezone variable])
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AC_TRY_COMPILE([#include <time.h>],
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[extern long timezone;
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timezone += 1;
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exit (0);],
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[have_timezone=yes
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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#
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# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
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#
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if test "$have_timezone" = no; then
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AC_MSG_CHECKING([time_t timezone variable])
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AC_TRY_COMPILE([#include <time.h>],
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[extern time_t timezone;
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timezone += 1;
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exit (0);],
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[have_timezone=yes
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))
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fi
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])dnl
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## AC_BZ_SET_COMPILER: Addition by Theodore Papadopoulo
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## Patch by Jim McKelvey: change sed -e 's/ /@/g' to sed -e 's/ /@/'
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AC_DEFUN([AC_SG_SET_COMPILER],
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[cxxwith=`echo $1 | sed -e 's/ /@/'`
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case "$cxxwith" in
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*:*@*) # Full initialization syntax
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CXX=`echo "$cxxwith" | sed -n -e 's/.*:\(.*\)@.*/\1/p'`
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CXXFLAGS=`echo "$cxxwith" | sed -n -e 's/.*:.*@\(.*\)/\1/p'`
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;;
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*:*) # Simple initialization syntax
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CXX=`echo "$cxxwith" | sed -n -e 's/.*:\(.*\)/\1/p'`
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CXXFLAGS=$3
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;;
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*) # Default values
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CXX=$2
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CXXFLAGS=$3
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CC="$2 --c"
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## CFLAGS=
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;;
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esac])
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pushdef([AC_PROG_INSTALL],
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[
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dnl our own version, testing for a -p flag
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popdef([AC_PROG_INSTALL])
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dnl as AC_PROG_INSTALL works as it works we first have
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dnl to save if the user didn't specify INSTALL, as the
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dnl autoconf one overwrites INSTALL and we have no chance to find
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dnl out afterwards
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AC_PROG_INSTALL
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# OK, user hasn't given any INSTALL, autoconf found one for us
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# now we test, if it supports the -p flag
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AC_MSG_CHECKING(for -p flag to install)
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rm -f confinst.$$.* > /dev/null 2>&1
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echo "Testtest" > confinst.$$.orig
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ac_res=no
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if ${INSTALL} -p confinst.$$.orig confinst.$$.new > /dev/null 2>&1 ; then
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if test -f confinst.$$.new ; then
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# OK, -p seems to do no harm to install
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INSTALL="${INSTALL} -p"
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ac_res=yes
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fi
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fi
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rm -f confinst.$$.*
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AC_MSG_RESULT($ac_res)
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dnl the following tries to resolve some signs and wonders coming up
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dnl with different autoconf/automake versions
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dnl e.g.:
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dnl *automake 1.4 install-strip sets A_M_INSTALL_PROGRAM_FLAGS to -s
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dnl and has INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(A_M_INSTALL_PROGRAM_FLAGS)
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dnl it header-vars.am, so there the actual INSTALL_PROGRAM gets the -s
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dnl *automake 1.4a (and above) use INSTALL_STRIP_FLAG and only has
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dnl INSTALL_PROGRAM = @INSTALL_PROGRAM@ there, but changes the
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dnl install-@DIR@PROGRAMS targets to explicitly use that flag
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dnl *autoconf 2.13 is dumb, and thinks it can use INSTALL_PROGRAM as
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dnl INSTALL_SCRIPT, which breaks with automake <= 1.4
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dnl *autoconf >2.13 (since 10.Apr 1999) has not that failure
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dnl to clean up that mess we:
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dnl +set INSTALL_PROGRAM to use INSTALL_STRIP_FLAG
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dnl which cleans KDE's program with automake > 1.4;
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dnl +set INSTALL_SCRIPT to only use INSTALL, to clean up autoconf's problems
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dnl with automake<=1.4
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dnl note that dues to this sometimes two '-s' flags are used
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INSTALL_PROGRAM='${INSTALL} $(INSTALL_STRIP_FLAG)'
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INSTALL_SCRIPT='${INSTALL}'
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])dnl
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# ===========================================================================
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# http://autoconf-archive.cryp.to/ax_boost_base.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_BOOST_BASE([MINIMUM-VERSION])
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#
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# DESCRIPTION
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#
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# Test for the Boost C++ libraries of a particular version (or newer)
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#
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# If no path to the installed boost library is given the macro searchs
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# under /usr, /usr/local, /opt and /opt/local and evaluates the
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# $BOOST_ROOT environment variable. Further documentation is available at
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# <http://randspringer.de/boost/index.html>.
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#
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# This macro calls:
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#
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# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
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#
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# And sets:
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#
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# HAVE_BOOST
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#
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# LAST MODIFICATION
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#
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# 2008-04-12
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#
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# COPYLEFT
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#
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# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved.
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AC_DEFUN([AX_BOOST_BASE],
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[
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AC_ARG_WITH([boost],
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AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is yes) - it is possible to specify the root directory for boost (optional)]),
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[
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if test "$withval" = "no"; then
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want_boost="no"
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elif test "$withval" = "yes"; then
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want_boost="yes"
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ac_boost_path=""
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else
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want_boost="yes"
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ac_boost_path="$withval"
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fi
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],
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[want_boost="yes"])
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AC_ARG_WITH([boost-libdir],
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AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
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[Force given directory for boost libraries. Note that this will overwrite library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
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[
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if test -d $withval
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then
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ac_boost_lib_path="$withval"
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else
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AC_MSG_ERROR(--with-boost-libdir expected directory name)
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fi
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],
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[ac_boost_lib_path=""]
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)
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if test "x$want_boost" = "xyes"; then
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boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
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boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
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boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
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boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
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boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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if test "x$boost_lib_version_req_sub_minor" = "x" ; then
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boost_lib_version_req_sub_minor="0"
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fi
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WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
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AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
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succeeded=no
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dnl first we check the system location for boost libraries
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dnl this location ist chosen if boost libraries are installed with the --layout=system option
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dnl or if you install boost with RPM
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if test "$ac_boost_path" != ""; then
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BOOST_LDFLAGS="-L$ac_boost_path/lib"
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BOOST_CPPFLAGS="-I$ac_boost_path/include"
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else
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for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
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if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
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BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib"
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BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
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break;
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fi
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done
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fi
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dnl overwrite ld flags if we have required special directory with
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dnl --with-boost-libdir parameter
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if test "$ac_boost_lib_path" != ""; then
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BOOST_LDFLAGS="-L$ac_boost_lib_path"
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fi
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS_SAVED="$LDFLAGS"
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]], [[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],[
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[
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])
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AC_LANG_POP([C++])
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dnl if we found no boost with system layout we search for boost libraries
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dnl built and installed without the --layout=system option or for a staged(not installed) version
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if test "x$succeeded" != "xyes"; then
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_version=0
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if test "$ac_boost_path" != ""; then
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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fi
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
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done
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fi
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else
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for ac_boost_path in /usr /usr/local /opt /opt/local ; do
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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best_path=$ac_boost_path
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fi
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done
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fi
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done
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
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if test "$ac_boost_lib_path" = ""
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then
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BOOST_LDFLAGS="-L$best_path/lib"
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fi
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if test "x$BOOST_ROOT" != "x"; then
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if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
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version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
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stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
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stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
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V_CHECK=`expr $stage_version_shorten \>\= $_version`
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if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
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AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
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BOOST_CPPFLAGS="-I$BOOST_ROOT"
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BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
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fi
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fi
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fi
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fi
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]], [[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],[
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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],[
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])
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AC_LANG_POP([C++])
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fi
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if test "$succeeded" != "yes" ; then
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if test "$_version" = "0" ; then
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AC_MSG_ERROR([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
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else
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AC_MSG_ERROR([Your boost libraries seems to old (version $_version).])
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fi
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else
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AC_SUBST(BOOST_CPPFLAGS)
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AC_SUBST(BOOST_LDFLAGS)
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AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
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fi
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CPPFLAGS="$CPPFLAGS_SAVED"
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LDFLAGS="$LDFLAGS_SAVED"
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fi
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])
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