config5.m4

Apache HTTP Server 是一个功能强大的灵活的与HTTP/1.1相兼容的web服务器.这里给出的是Apache HTTP服务器的源码。

AC_MSG_CHECKING(for extra modules)
AC_ARG_WITH(module,
  APACHE_HELP_STRING(--with-module=module-type:module-file,
                     Enable module-file in the modules/<module-type> directory.),
  [
    as_save_IFS="$IFS"; IFS=","
    for mod in $withval
    do
    modtype=`echo $mod | sed -e's/\(.*\):.*/\1/'`
    pkg=`echo $mod | sed -e's/.*:\(.*\)/\1/'`
    modfilec=`echo $pkg | sed -e 's;^.*/;;'`
    modfileo=`echo $pkg | sed -e 's;^.*/;;' -e 's;\.c$;.o;'`
    modpath_current="modules/$modtype"
    if test "x$mod" != "x$modpath_current/$modfilec"; then
      if test ! -d "$modpath_current"; then
        mkdir $modpath_current
        echo 'include $(top_srcdir)/build/special.mk' > $modpath_current/Makefile.in
      fi
      cp $pkg $modpath_current/$modfilec
    fi
    module=`echo $pkg | sed -e 's;\(.*/\)*mod_\(.*\).c;\2;'`
    objects="mod_$module.lo"
    libname="mod_$module.la"
    BUILTIN_LIBS="$BUILTIN_LIBS $modpath_current/$libname"
    if test ! -s "$modpath_current/modules.mk"; then
      cat >>$modpath_current/modules.mk<<EOF
$libname: $objects
	\$(MOD_LINK) $objects
DISTCLEAN_TARGETS = modules.mk
static = $libname
shared =
EOF
    else
      cat >>$modpath_current/modules.mk.tmp<<EOF
$libname: $objects
	\$(MOD_LINK) $objects
EOF
      cat $modpath_current/modules.mk >> $modpath_current/modules.mk.tmp
      rm $modpath_current/modules.mk
      mv $modpath_current/modules.mk.tmp $modpath_current/modules.mk
      sed -e "s/\(static =.*\)/\1 $libname/" $modpath_current/modules.mk > $modpath_current/modules.mk.tmp
      rm $modpath_current/modules.mk
      mv $modpath_current/modules.mk.tmp $modpath_current/modules.mk
    fi
    MODLIST="$MODLIST $module"
    EXTRA_MODLIST="$EXTRA_MODLIST $modtype:$modfilec"
    MODULE_DIRS="$MODULE_DIRS $modtype"
    APACHE_FAST_OUTPUT($modpath_current/Makefile)
    done
    if test ! -z "$EXTRA_MODLIST"; then
      AC_MSG_RESULT(added:$EXTRA_MODLIST)
    fi
    IFS="$as_save_IFS"
  ],
  [ AC_MSG_RESULT(none) 
  ])