From: Joel Rosdahl <joel@rosdahl.net>
Date: Mon, 22 Feb 2010 22:21:28 +0000 (+0100)
Subject: Minor man page improvements
X-Git-Tag: v3.0pre0~56
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7788247669d07318911af0bb464ec998de05abb9;p=thirdparty%2Fccache.git

Minor man page improvements
---

diff --git a/ccache.yo b/ccache.yo
index 6181c6aff..e3f4740fe 100644
--- a/ccache.yo
+++ b/ccache.yo
@@ -309,23 +309,24 @@ In the direct mode, a hash is formed of:
 itemization(
   it() the input source file
   it() the command line options
-  it() the real compiler's size and modification time
+  it() the real compiler's size and modification time (unless
+       bf(CCACHE_COMPILERCHECK) says something else)
 )
 
 Based on the hash, a data structure called "manifest" is looked up in
 the cache. The manifest contains paths to include files (previously
-read by the compiler), their hash sums and associated files produced
-by the compiler. The current contents of the include files are then
-hashed and compared to the information in the manifest. If there is a
-match, ccache knows the result of the compilation. If there is no
-match (or if the direct mode is disabled), ccache falls back to the
-preprocessor mode.
+read by the preprocessor), their hash sums and references to
+associated files produced by the compiler. The current contents of the
+include files are then hashed and compared to the information in the
+manifest. If there is a match, ccache knows the result of the
+compilation. If there is no match (or if the direct mode is disabled),
+ccache falls back to the preprocessor mode.
 
 The direct mode will be disabled if any of the following holds:
 
 itemization(
   it() the environment variable bf(CCACHE_NODIRECT) is set
-  it() a modification timestamp of any of the include files is too new
+  it() a modification time of any of the include files is too new
        (needed to avoid a race condition)
   it() the unifier is enabled (the environment variable
        bf(CCACHE_UNIFY) is set)
@@ -340,7 +341,8 @@ itemization(
        files (bf(-I), bf(-include), bf(-D), etc; the theory is that
        these options will change the preprocessor output if they have
        any effect at all)
-  it() the real compilers size and modification time
+  it() the real compilers size and modification time (unless
+       bf(CCACHE_COMPILERCHECK) says something else)
   it() any stderr output generated by the preprocessor
 )