configure.ac

    MANOPT=""
    AC_MSG_RESULT([failed])
    AC_MSG_WARN([found no *nroff option to get plaintext from man pages])
  else
    AC_MSG_RESULT([$MANOPT])
  fi
else
  AC_MSG_RESULT([$MANOPT])
fi
AC_SUBST(MANOPT)

AC_PROG_YACC

dnl AC_PATH_PROG( RANLIB, ranlib, /usr/bin/ranlib, 
dnl   $PATH:/usr/bin/:/usr/local/bin )
dnl AC_SUBST(RANLIB)

dnl ************************************************************
dnl lame option to switch on debug options
dnl
AC_MSG_CHECKING([whether to enable debug options])
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug],[Enable pedantic debug options])
AC_HELP_STRING([--disable-debug],[Disable debug options]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)   AC_MSG_RESULT(yes)

    CPPFLAGS="$CPPFLAGS -DCURLDEBUG"
    CFLAGS="$CFLAGS -g" 
    if test "$GCC" = "yes"; then
       CFLAGS="$CFLAGS -W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs"

       dnl here's a more aggressive set to use:
       dnl CFLAGS="$CFLAGS -W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Wcast-align -Winline -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -Wshadow -Wfloat-equal -Wsign-compare -Wunreachable-code"
    fi
    dnl strip off optimizer flags
    NEWFLAGS=""
    for flag in $CFLAGS; do
      case "$flag" in
      -O*)
        dnl echo "cut off $flag"
        ;;
      *)
        NEWFLAGS="$NEWFLAGS $flag"
        ;;
      esac
    done
    CFLAGS=$NEWFLAGS
       ;;
  esac ],
       AC_MSG_RESULT(no)
)

AC_MSG_CHECKING([whether to enable ares])
AC_ARG_ENABLE(ares,
AC_HELP_STRING([--enable-ares=PATH],[Enable ares for name lookups])
AC_HELP_STRING([--disable-ares],[Disable ares for name lookups]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)   AC_MSG_RESULT(yes)

       if test "x$IPV6_ENABLED" = "x1"; then
         AC_MSG_ERROR([ares doesn't work with ipv6, disable ipv6 to use ares])
       fi

       AC_DEFINE(USE_ARES, 1, [Define if you want to enable ares support])
       dnl substitute HAVE_ARES for curl-config and similar
       HAVE_ARES="1"
       AC_SUBST(HAVE_ARES)

       LIBS="$LIBS -lares"

       dnl For backwards compatibility default to includes/lib in srcdir/ares
       dnl If a value is specified it is assumed that the libs are in $val/lib
       dnl and the includes are in $val/include. This is the default setup for
       dnl ares so it should not be a problem.
       if test "x$enableval" = "xyes" ; then
         if test -d "$srcdir/ares"; then
            AC_CONFIG_SUBDIRS(ares)
            aresinc=`cd $srcdir/ares && pwd`
            CPPFLAGS="$CPPFLAGS -I$aresinc"

            dnl the pwd= below cannot 'cd' into the ares dir to get the full
            dnl path to it, since it may not exist yet if we build outside of
            dnl the source tree
            pwd=`pwd`
            LDFLAGS="$LDFLAGS -L$pwd/ares"
         fi
       else
         CPPFLAGS="$CPPFLAGS -I$enableval/include"
         LDFLAGS="$LDFLAGS -L$enableval/lib"
       fi
       ;;
  esac ],
       AC_MSG_RESULT(no)
)

AC_CONFIG_FILES([Makefile \
	   docs/Makefile \
           docs/examples/Makefile \
           docs/libcurl/Makefile \
	   include/Makefile \
	   include/curl/Makefile \
	   src/Makefile \
           lib/Makefile \
           tests/Makefile \
           tests/data/Makefile \
           tests/server/Makefile \
           tests/libtest/Makefile \
	   packages/Makefile \
	   packages/Win32/Makefile \
	   packages/Win32/cygwin/Makefile \
	   packages/Linux/Makefile \
	   packages/Linux/RPM/Makefile \
	   packages/Linux/RPM/curl.spec \
	   packages/Linux/RPM/curl-ssl.spec \
           packages/Solaris/Makefile \
           packages/DOS/Makefile \
           packages/EPM/curl.list \
           packages/EPM/Makefile \
           curl-config
])
AC_OUTPUT