I'm not sure how much help it is to know but /Gm is about 'minimal rebuild' Here [1] is a quote from the VS2003 help files. - Richard [1] This option enables minimal rebuild, which determines whether C++ source files that include changed C++ class definitions (stored in header (.h) files) need to be recompiled. The compiler stores dependency information between source files and class definitions in the project's .idb file during the first compile. (Dependency information tells which source file is dependent on which class definition, and which .h file the definition is located in.) Subsequent compiles use the information stored in the .idb file to determine whether a source file needs to be compiled, even if it includes a modified .h file. Note Minimal rebuild relies on class definitions not changing between include files. Class definitions must be global for a project (there should be only one definition of a given class), because the dependency information in the .idb file is created for the entire project. If you have more than one definition for a class in your project, disable minimal rebuild. -----Original Message----- From: boost-users-bounces@lists.boost.org [mailto:boost-users-bounces@lists.boost.org] On Behalf Of "Meißner, Joachim" Sent: 21 December 2004 09:20 To: boost-users@lists.boost.org Subject: AW: [Boost-users] boost::variant with boost::signals leadstoInternalCompiler Error with MSDEV 7.1 Removing successivly the compiler switches I finally coud build my code snippet by Removing the /Gm option. Jom

Von: Meißner, Joachim Gesendet: Dienstag, 21. Dezember 2004 09:01

I'm using this compiler call (generated by QT's qmake):

cl.exe /Od /I "\boost-1.32.0" /I "\Qt\include" /I "." /I "\Qt\mkspecs\win32-msvc.net" /D "_WINDOWS" /D "UNICODE" /D "WIN32" /D "BOOST_SIGNALS_NAMESPACE=signalslib" /D "QT_THREAD_SUPPORT" /Gm /EHsc /MTd /GR /Fo".\\" /Fd".\\" /W3 /nologo /c /Zi /TP -Zm200 -GX -GX -w34100 -w34189 test_wrap.cpp

Resulting in this error:

..\boost-1.32.0\boost\mpl\aux_\preprocessed\plain\apply_wrap.h pp(48) : fatal error C1001: INTERNAL C OMPILER ERROR

Compiler is: Microsoft Development Environment Version 7.1.3088

Jom

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