os/x 10.6.8 uname -a Darwin apple1 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386 boost 1.47.0 ./bootstrap.sh --prefix=$HOME/boost ./b2 link=static --disable-filesystem2 install # I've tried without disabling filesystem2, same result gcc -v Using built-in specs. Target: i686-apple-darwin10 Configured with: /var/tmp/gcc/gcc-5666.3~6/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin10 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1 Thread model: posix gcc version 4.2.1 (Apple Inc. build 5666) (dot 3) test app compiled: g++ -Wall -I $HOME/boost/include fs.cpp -L$HOME/boost/lib -lboost_filesystem -lboost_system otool -L a.out a.out: /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.9.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.2.11) source below. when I run it with a non-existent filename I expect to catch an exception, but instead nothing happens, i.e. I just return to the shell prompt. I tried defining a struct locally and throwing it and the catch works fine. any ideas? thx dxc ------------------------------------------------------------ #include <iostream> #include <stdlib.h> #include "boost/filesystem.hpp" int main(int argc, const char** argv) { if(argc != 2) { std::cout << "usage: a.out filename\n"; exit(1); } const char* a_path = argv[1]; try { boost::filesystem::exists(a_path); } catch(const boost::filesystem::filesystem_error& e) { std::cout << "caught filesystem_error\n"; std::cout << e.what() << "\n"; exit(1); } catch(const std::exception& e) { std::cout << "caught some other error\n"; std::cout << e.what() << "\n"; exit(1); } catch(...) { std::cout << "caught unknown exception\n"; exit(1); } return 0; }