doc/html/user-guide/cdl-packages.html

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  82 ><H1
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  84 ><A
  85 NAME="CDL-PACKAGES">Packages</H1
  86 ><P
  87 >The building blocks of an <SPAN
  88 CLASS="PRODUCTNAME"
  89 >eCos</SPAN
  90 > configuration are called
  91           <SPAN
  92 CLASS="emphasis"
  93 ><I
  94 CLASS="EMPHASIS"
  95 >packages</I
  96 ></SPAN
  97 >. Packages are the units of
  98           software distribution.  A set of core packages (such as
  99           kernel, C library and math library) is provided by Red Hat:
 100           additional third-party packages will be available in
 101           future.</P
 102 ><P
 103 >A package may exist in one of a number of <SPAN
 104 CLASS="emphasis"
 105 ><I
 106 CLASS="EMPHASIS"
 107 >versions</I
 108 ></SPAN
 109 >.
 110  The default version is the <SPAN
 111 CLASS="emphasis"
 112 ><I
 113 CLASS="EMPHASIS"
 114 >current</I
 115 ></SPAN
 116 > version.
 117  Only one version of a given package may be present in the component
 118 repository at any given time.</P
 119 ><P
 120 >Packages are organized in a tree hierarchy.  Each package
 121 is either at the top-level or is the child of another package.</P
 122 ><P
 123 >The <SPAN
 124 CLASS="PRODUCTNAME"
 125 >eCos</SPAN
 126 > <SPAN
 127 CLASS="APPLICATION"
 128 > Package Administration Tool</SPAN
 129 > can be used to add or remove
 130 packages from the component repository.  The <SPAN
 131 CLASS="PRODUCTNAME"
 132 >eCos</SPAN
 133 > <SPAN
 134 CLASS="APPLICATION"
 135 >Configuration Tool</SPAN
 136 > can be used to include or exclude packages from the configuration
 137 being built.</P
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