linux下的qt缺少iostream,"iostream not found" on Mac OS

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我是靠谱客的博主义气指甲油，这篇文章主要介绍linux下的qt缺少iostream,"iostream not found" on Mac OS，现在分享给大家，希望可以做个参考。

I'm desperately trying to port an ancient Qt 4.8 application to Mac OS X 10.10. I already successfully ported it from Windows to Ubuntu 14.04 with almost no problems. However, on Mac I get the error of "iostream file not found". I know this sounds rather like an issue with my clang++/g++ compiler, however a simple hello-world program runs just fine.

I installed Xcode and the command line tools and I can also find iostream under "/usr/include/c++/4.2.1" since 'g++ -v' outputs:

@Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1

Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)

Target: x86_64-apple-darwin14.1.0

Thread model: posix@

However, I don't know why 'clang++ -v' does not show the include path:

@App