gnu gcc 手册 1.mht

GNU GCC编译器手册

  size=3D2>,</FONT><FONT size=3D2>&#20363;&#22914;</FONT><FONT =
face=3D"Courier New" size=3D2>`<B>int=20
  foo</B> ();',</FONT><FONT size=3D2>&#25353;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C</FONT><FONT =
size=3D2>&#39118;&#26684;&#22788;&#29702;</FONT><FONT face=3D"Courier =
New"=20
  size=3D2>---</FONT><FONT =
size=3D2>&#21363;&#19981;&#35828;&#26126;&#21442;&#25968;&#20010;&#25968;=
&#25110;&#31867;&#22411;</FONT><FONT face=3D"Courier New"=20
  size=3D2>. (</FONT><FONT size=3D2>&#20165;&#38024;&#23545;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++).</FONT><FONT =
size=3D2>&#27491;&#24120;&#24773;&#20917;&#19979;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>,</FONT><FONT =
size=3D2>&#36825;&#26679;&#30340;&#20989;&#25968;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2><B>foo</B></FONT><FONT size=3D2>&#22312;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++</FONT><FONT =
size=3D2>&#20013;&#24847;&#21619;&#30528;&#21442;&#25968;&#20026;&#31354;=
</FONT><FONT face=3D"Courier New"=20
  size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-trigraphs</FONT></B>=20
  <DD><FONT size=3D2>&#25903;&#25345;</FONT><FONT face=3D"Courier New" =
size=3D2>ANSI C trigraphs.=20
  `<B>-ansi</B>'</FONT><FONT =
size=3D2>&#36873;&#39033;&#38544;&#21547;&#22768;&#26126;&#20102;</FONT><=
FONT face=3D"Courier New"=20
  size=3D2>`<B>-trigraphs</B>'.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-traditional</FONT></B>=20
  <DD><FONT =
size=3D2>&#35797;&#22270;&#25903;&#25345;&#20256;&#32479;</FONT><FONT =
face=3D"Courier New" size=3D2>C</FONT><FONT=20
  =
size=3D2>&#32534;&#35793;&#22120;&#30340;&#26576;&#20123;&#26041;&#38754;=
</FONT><FONT face=3D"Courier New" size=3D2>.</FONT><FONT=20
  size=3D2>&#35814;&#35265;</FONT><FONT face=3D"Courier New" =
size=3D2>GNU C</FONT><FONT=20
  size=3D2>&#25163;&#20876;</FONT><FONT face=3D"Courier New" =
size=3D2>,</FONT><FONT=20
  =
size=3D2>&#25105;&#20204;&#24050;&#32463;&#25226;&#32454;&#33410;&#28165;=
&#21333;&#20174;&#36825;&#37324;&#21024;&#38500;</FONT><FONT =
face=3D"Courier New" size=3D2>,</FONT><FONT=20
  =
size=3D2>&#36825;&#26679;&#24403;&#20869;&#23481;&#36807;&#26102;&#21518;=
</FONT><FONT face=3D"Courier New" size=3D2>,</FONT><FONT=20
  size=3D2>&#20154;&#20204;&#20063;&#19981;&#20250; =
&#22475;&#24616;&#25105;&#20204;</FONT><FONT face=3D"Courier New" =
size=3D2>.</FONT>=20
  <P><FONT size=3D2>&#38500;&#20102;&#19968;&#20214;&#20107;</FONT><FONT =
face=3D"Courier New" size=3D2>:</FONT><FONT=20
  size=3D2>&#23545;&#20110;</FONT><FONT face=3D"Courier New" =
size=3D2>C++</FONT><FONT=20
  size=3D2>&#31243;&#24207;</FONT><FONT face=3D"Courier New" =
size=3D2>(</FONT><FONT=20
  size=3D2>&#19981;&#26159;</FONT><FONT face=3D"Courier New" =
size=3D2>C),=20
  `<B>-traditional</B>'</FONT><FONT =
size=3D2>&#36873;&#39033;&#24102;&#26469;&#19968;&#20010;&#38468;&#21152;=
&#25928;&#24212;</FONT><FONT=20
  face=3D"Courier New" size=3D2>,</FONT><FONT =
size=3D2>&#20801;&#35768;&#23545; </FONT><FONT=20
  face=3D"Courier New" size=3D2><B>this</B></FONT><FONT =
size=3D2>&#36171;&#20540;</FONT><FONT=20
  face=3D"Courier New" size=3D2>.</FONT><FONT =
size=3D2>&#20182;&#21644;</FONT><FONT=20
  face=3D"Courier New" size=3D2>`<B>-fthis-is-variable</B>'</FONT><FONT=20
  =
size=3D2>&#36873;&#39033;&#30340;&#25928;&#26524;&#19968;&#26679;</FONT><=
FONT face=3D"Courier New" size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-traditional-cpp</FONT></B> =

  <DD><FONT =
size=3D2>&#35797;&#22270;&#25903;&#25345;&#20256;&#32479;</FONT><FONT =
face=3D"Courier New" size=3D2>C</FONT><FONT=20
  =
size=3D2>&#39044;&#22788;&#29702;&#22120;&#30340;&#26576;&#20123;&#26041;=
&#38754;</FONT><FONT face=3D"Courier New" size=3D2>.</FONT><FONT=20
  =
size=3D2>&#29305;&#21035;&#26159;&#19978;&#38754;&#25552;&#21040;&#26377;=
&#20851;&#39044;&#22788;&#29702;&#22120;&#30340;&#20869;&#23481;</FONT><F=
ONT face=3D"Courier New" size=3D2>,</FONT><FONT=20
  size=3D2>&#20294;&#26159;&#19981;&#21253;&#25324; </FONT><FONT =
face=3D"Courier New"=20
  size=3D2>`<B>-traditional</B>'</FONT><FONT =
size=3D2>&#36873;&#39033;&#30340;&#20854;&#20182;&#25928;&#24212;</FONT><=
FONT=20
  face=3D"Courier New" size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" =
size=3D2>-fdollars-in-identifiers</FONT></B>=20
  <DD><FONT =
size=3D2>&#20801;&#35768;&#22312;&#26631;&#35782;&#31526;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>(identifier)</FONT><FONT =
size=3D2>&#20013;&#20351;&#29992;</FONT><FONT face=3D"Courier New"=20
  size=3D2>`<B>$</B>'</FONT><FONT size=3D2>&#23383;&#31526;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>(</FONT><FONT size=3D2>&#20165;&#38024;&#23545;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++).</FONT><FONT =
size=3D2>&#20320;&#21487;&#20197;&#25351;&#23450; </FONT><FONT =
face=3D"Courier New"=20
  size=3D2>`<B>-fno-dollars-in-identifiers</B>'</FONT><FONT=20
  =
size=3D2>&#36873;&#39033;&#26174;&#26126;&#31105;&#27490;&#20351;&#29992;=
</FONT><FONT face=3D"Courier New" size=3D2>`<B>$</B>'</FONT><FONT=20
  size=3D2>&#31526;</FONT><FONT face=3D"Courier New" size=3D2>. (GNU =
C++</FONT><FONT=20
  size=3D2>&#22312;&#26576;&#20123; =
&#30446;&#26631;&#31995;&#32479;&#32570;&#30465;&#20801;&#35768;</FONT><F=
ONT face=3D"Courier New"=20
  size=3D2>`<B>$</B>'</FONT><FONT size=3D2>&#31526;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>,</FONT><FONT =
size=3D2>&#20294;&#19981;&#26159;&#25152;&#26377;&#31995;&#32479;</FONT><=
FONT face=3D"Courier New"=20
  size=3D2>.)</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-fenum-int-equiv</FONT></B> =

  <DD><FONT size=3D2>&#20801;&#35768;</FONT><FONT face=3D"Courier New"=20
  size=3D2><B>int</B></FONT><FONT =
size=3D2>&#31867;&#22411;&#21040;&#26522;&#20030;&#31867;&#22411;</FONT><=
FONT face=3D"Courier New"=20
  size=3D2>(enumeration)</FONT><FONT =
size=3D2>&#30340;&#38544;&#24335;&#36716;&#25442;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>(</FONT><FONT size=3D2>&#20165;&#38480;&#20110;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++).</FONT><FONT =
size=3D2>&#27491;&#24120;&#24773;&#20917;&#19979;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>GNU C++</FONT><FONT size=3D2>&#20801;&#35768;&#20174; =
</FONT><FONT face=3D"Courier New"=20
  size=3D2><B>enum</B></FONT><FONT size=3D2>&#21040;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2><B>int</B></FONT><FONT =
size=3D2>&#30340;&#36716;&#25442;</FONT><FONT face=3D"Courier New"=20
  size=3D2>,</FONT><FONT =
size=3D2>&#21453;&#20043;&#21017;&#19981;&#34892;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" =
size=3D2>-fexternal-templates</FONT></B>=20
  <DD><FONT =
size=3D2>&#20026;&#27169;&#26495;&#22768;&#26126;</FONT><FONT =
face=3D"Courier New" size=3D2>(template=20
  declaration)</FONT><FONT =
size=3D2>&#20135;&#29983;&#36739;&#23567;&#30340;&#20195;&#30721;</FONT><=
FONT face=3D"Courier New"=20
  size=3D2>(</FONT><FONT size=3D2>&#20165;&#38480;&#20110;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++),</FONT><FONT =
size=3D2>&#26041;&#27861;&#26159;&#23545;&#20110;&#27599;&#20010;&#27169;=
&#26495;&#20989;&#25968; </FONT><FONT face=3D"Courier New"=20
  size=3D2>(template function),</FONT><FONT =
size=3D2>&#21482;&#22312;&#23450;&#20041;&#20182;&#20204;&#30340;&#22320;=
&#26041;&#29983;&#25104;&#19968;&#20010;&#21103;&#26412;</FONT><FONT=20
  face=3D"Courier New" size=3D2>.</FONT><FONT =
size=3D2>&#24819;&#35201;&#25104;&#21151;&#20351;&#29992;&#36825;&#20010;=
&#36873;&#39033;</FONT><FONT=20
  face=3D"Courier New" size=3D2>,</FONT><FONT =
size=3D2>&#20320;&#24517;&#39035;&#22312;&#25152;&#26377;&#20351;&#29992;=
&#27169;&#26495;&#30340; &#25991;&#20214;&#20013;</FONT><FONT=20
  face=3D"Courier New" size=3D2>,</FONT><FONT =
size=3D2>&#26631;&#35760;</FONT><FONT=20
  face=3D"Courier New" size=3D2>`<B>#pragma implementation</B>' =
(</FONT><FONT=20
  size=3D2>&#23450;&#20041;</FONT><FONT face=3D"Courier New" =
size=3D2>)</FONT><FONT=20
  size=3D2>&#25110;</FONT><FONT face=3D"Courier New" =
size=3D2>`<B>#pragma interface</B>'=20
  (</FONT><FONT size=3D2>&#22768;&#26126;</FONT><FONT face=3D"Courier =
New" size=3D2>).</FONT>=20
  <P><FONT size=3D2>&#24403;&#31243;&#24207;&#29992;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>`<B>-fexternal-templates</B>'</FONT><FONT =
size=3D2>&#32534;&#35793;&#26102;</FONT><FONT=20
  face=3D"Courier New" size=3D2>,</FONT><FONT =
size=3D2>&#27169;&#26495;&#23454;&#20363;</FONT><FONT=20
  face=3D"Courier New" size=3D2>(template instantiation) </FONT><FONT=20
  =
size=3D2>&#20840;&#37096;&#26159;&#22806;&#37096;&#31867;&#22411;</FONT><=
FONT face=3D"Courier New" size=3D2>.</FONT><FONT=20
  =
size=3D2>&#20320;&#24517;&#39035;&#35753;&#38656;&#35201;&#30340;&#23454;=
&#20363;&#22312;&#23454;&#29616;&#25991;&#20214;&#20013;&#20986;&#29616;<=
/FONT><FONT face=3D"Courier New" size=3D2>.</FONT><FONT=20
  size=3D2>&#21487;&#20197;&#36890;&#36807;</FONT><FONT face=3D"Courier =
New" size=3D2><B>typedef</B></FONT><FONT=20
  size=3D2>&#23454;&#29616;&#36825;&#19968;&#28857;</FONT><FONT =
face=3D"Courier New" size=3D2>,</FONT><FONT=20
  =
size=3D2>&#20182;&#24341;&#29992;&#25152;&#38656;&#30340;&#27599;&#20010;=
 &#23454;&#20363;</FONT><FONT face=3D"Courier New" =
size=3D2>.</FONT><FONT=20
  size=3D2>&#30456;&#23545;&#24212;&#30340;</FONT><FONT face=3D"Courier =
New" size=3D2>,</FONT><FONT=20
  =
size=3D2>&#22914;&#26524;&#32534;&#35793;&#26102;&#20351;&#29992;&#32570;=
&#30465;&#36873;&#39033;</FONT><FONT face=3D"Courier New"=20
  size=3D2>`<B>-fno-external-templates</B>',</FONT><FONT=20
  =
size=3D2>&#25152;&#26377;&#27169;&#26495;&#23454;&#20363;&#26126;&#30830;=
&#30340;&#35774;&#20026;&#20869;&#32622;</FONT><FONT face=3D"Courier =
New" size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-fall-virtual</FONT></B>=20
  <DD><FONT =
size=3D2>&#25152;&#26377;&#21487;&#33021;&#30340;&#25104;&#21592;&#20989;=
&#25968;&#40664;&#35748;&#20026;&#34394;&#20989;&#25968;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>.</FONT><FONT =
size=3D2>&#25152;&#26377;&#30340;&#25104;&#21592;&#20989;&#25968;</FONT><=
FONT face=3D"Courier New"=20
  size=3D2>(</FONT><FONT =
size=3D2>&#38500;&#20102;&#26500;&#36896;&#23376;&#20989;&#25968;&#21644;=
</FONT><FONT face=3D"Courier New"=20
  size=3D2><B>new</B></FONT><FONT size=3D2>&#25110;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2><B>delete</B> </FONT><FONT =
size=3D2>&#25104;&#21592;&#25805;&#20316;&#31526;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>)</FONT><FONT =
size=3D2>&#35270;&#20026;&#25152;&#22312;&#31867;&#30340;&#34394;&#20989;=
&#25968;</FONT><FONT face=3D"Courier New"=20
  size=3D2>.</FONT>=20
  <P><FONT =
size=3D2>&#36825;&#19981;&#34920;&#26126;&#27599;&#27425;&#35843;&#29992;=
&#25104;&#21592;&#20989;&#25968;&#37117;&#23558;&#36890;&#36807;&#20869;&=
#37096;&#34394;&#20989;&#25968;&#34920;</FONT><FONT face=3D"Courier New" =

  size=3D2>.</FONT><FONT =
size=3D2>&#26377;&#20123;&#24773;&#20917;&#19979;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>,</FONT><FONT =
size=3D2>&#32534;&#35793;&#22120;&#33021;&#22815;&#21028;&#26029;&#20986;=
&#21487;&#20197;&#30452;&#25509;&#35843;&#29992;&#26576;&#20010;&#34394;&=
#20989;&#25968;</FONT><FONT face=3D"Courier New"=20
  size=3D2>;</FONT><FONT size=3D2>&#36825;&#26102;&#23601; =
&#30452;&#25509;&#35843;&#29992;</FONT><FONT face=3D"Courier New"=20
  size=3D2>.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" size=3D2>-fcond-mismatch</FONT></B>=20
  <DD><FONT =
size=3D2>&#20801;&#35768;&#26465;&#20214;&#34920;&#36798;&#24335;&#30340;=
&#31532;&#20108;&#21644;&#31532;&#19977;&#20010;&#21442;&#25968;&#30340;&=
#31867;&#22411;&#19981;&#21305;&#37197;</FONT><FONT face=3D"Courier New" =

  size=3D2>.</FONT><FONT =
size=3D2>&#36825;&#31181;&#34920;&#36798;&#24335;&#30340;&#20540;&#26159;=
</FONT><FONT face=3D"Courier New"=20
  size=3D2>void.</FONT>=20
  <P></P>
  <DT><B><FONT face=3D"Courier New" =
size=3D2>-fthis-is-variable</FONT></B>=20
  <DD><FONT size=3D2>&#20801;&#35768;&#23545;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2><B>this</B></FONT><FONT size=3D2>&#36171;&#20540;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>(</FONT><FONT size=3D2>&#20165;&#23545;</FONT><FONT =
face=3D"Courier New"=20
  size=3D2>C++).</FONT><FONT =
size=3D2>&#