http://llvm.org/bugs/show_bug.cgi?id=16414
Bug ID: 16414
Summary: Preprocessing with ccc-analyzer fails in verbose mode
Product: clang
Version: 3.2
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 10736
--> http://llvm.org/bugs/attachment.cgi?id=10736&action=edit
patch for ccc-analyzer preprocessor mode
If scan-build is set in verbose mode (and sets the CCC_ANALYZER_LOG environment
variable) and ccc-analyzer is invoked in preprocessor mode (-E), ccc-analyzer
prints its invocation command and ruins the preprocessed file.
Since the preprocessor prints its output to STDOUT, ccc-analyzer should not
print is invocation to STDOUT as well.
I have attached a patch against ccc-analyzer that solves this issue, but it is
a little bit unclean. Basically, it checks the CCC_ANALYZER_LOG environment
variable only after it parses all its arguments.
I believe clang-3.3 has this issue as well, but other bugs are preventing me
from fully testing.
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