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gcc has a single exception setting for all languages. Saying -fno-exceptions in gcc disables exceptions and cleanups for cc files, but has no effect for mm files. In clang, -fno-exceptions only disables c++ exceptions, but keeps objective-c exceptions and cleanups enabled. http://llvm.org/viewvc/llvm-project?view=revision&revision=220714 changed __EXCEPTIONS to be defined for clang when cleanups are enabled, independent of if c++ exceptions are enabled. (This was necessary to have clang work with glibc which looks at __EXCEPTIONS to decide if cleanups are enabled.) Breakpad tried to use __EXCEPTIONS to figure out if c++ exceptions are enabled. In cc files, this works: -fno-exceptions will disable c++ exceptions and cleanups. But in mm files, -fno-exceptions will disable c++ exceptions and objective-c exceptions will still be enabled, and so cleanups must run and hence __EXCEPTIONS is defined. To make things work with both old and new compilers, do the try/catch hack in mm files either if __EXCEPTIONS is not defined (for old compilers) or if the compiler is clang and __has_feature(cxx_exceptions) isn't set (which will work for new clangs too, and which cleanly maps to if c++ exceptions are enabled). Patch by Nico Weber <thakis@chromium.org> Review URL: https://breakpad.appspot.com/1774002/ git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1409 4c0a9323-5329-0410-9bdc-e9ce6186880e |
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| build | ||
| client | ||
| common | ||
| google_breakpad | ||
| processor | ||
| third_party | ||
| tools | ||
| breakpad_googletest_includes.h | ||
| config.h.in | ||