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Differences for revision 1.31 from 1.30


--- pcc_history.mdwn	2010/04/28 00:45:16	1.30
+++ pcc_history.mdwn	2010/04/28 05:57:14	1.31
@@ -1 +1,15 @@
-falling difficulties in resume?[resume](http://www.essaydot.com)
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+The compiler is based on the original Portable C Compiler by Stephen C. Johnson, written in the late 70's. Even though much of the compiler has been rewritten, some of the basics still remain.
+
+PCC debuted in Unix Version 7 and replaced the DMR compiler (Dennis Ritchie's original C compiler) in both System V and the BSD 4.x releases.
+
+Some history about pcc is in the [A History of UNIX before Berkeley: UNIX Evolution: 1975-1984](http://www.darwinsys.com/history/hist.html) and in the [Evolution of C](http://www.faqs.org/docs/artu/c_evolution.html).
+
+A copy of S. C. Johnson's and Donn Seeley's 1978 ``A Tour Through the Portable C Compiler'' is available in [HTML](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.html),
+[Postscript](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.ps.gz) or [PDF](http://wolfram.schneider.org/bsd/7thEdManVol2/porttour/porttour.pdf). (For current pcc internal documentation, see the [[internals]] wiki page.)
+
+About 50% of the frontend code and 80% of the [[backend|internals]] code has been rewritten. Most stuff is written by Anders Magnusson, with the exception of the data-flow analysis part and the SSA conversion code which is written by Peter A Jonsson, and the Mips port that were written as part of a project by undergraduate students at Luleaa University of Technology (LTU).
+
+It was publicly announced to the NetBSD community on September 14, 2007. Shortly later it was
+imported to the OpenBSD, NetBSD, and pkgsrc source trees.
+
+On January 27, 2008, the version was increased to 0.9.9 as pcc supported C99 language constructs.

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