https://llvm.org/bugs/show_bug.cgi?id=25164
Bug ID: 25164
Summary: double -isystem == file not found
Product: clang
Version: 3.7
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Steps to reproduce:
1)Create simple c++ file like this:
$cat /tmp/test.cpp
#include <QtCore/QLatin1String>
2)Let's say you have such file structure:
$ ls /usr/include/qt4/QtCore/QLatin1String
/usr/include/qt4/QtCore/QLatin1String
3)Try to compile it:
clang++ -isystem /usr/include/qt4 -isystem /usr/include/qt4/QtGui -c
/tmp/test.cpp
success
g++ -isystem /usr/include/qt4 -isystem /usr/include/qt4/QtGui -c /tmp/test.cpp
success
/usr/lib/clang-analyzer/scan-build/c++-analyzer -isystem /usr/include/qt4
-isystem /usr/include/qt4/QtGui -c /tmp/test.cpp
/tmp/test.cpp:1:10: fatal error: 'QtCore/QLatin1String' file not found
#include <QtCore/QLatin1String>
but if I remove the second one -isystem:
/usr/lib/clang-analyzer/scan-build/c++-analyzer -isystem /usr/include/qt4 -c
/tmp/test.cpp
all works fine, no "file not found"
Looks like c++-analyzer can not handle multiply -isystem flags, while
clang (3.7) and gcc (5.2) works fine with them.
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