On Fri, Oct 12, 2018 at 2:28 AM Gustaf Olsson <gustaf.olsson.lnu.se> wrote:
>
> clang++ -O3 -o testp testprogram.cpp
>
> No messages, no errors.
This is strange, because this is the first thing that CPPTRAJ
configure tries (line 1296 of configure). The 'libstdc++' flag test
only occurs if this one fails. The only thing I can think of to try
now is to make CPPTRAJ configure
($AMBERHOME/AmberTools/src/cpptraj/configure) more verbose during the
OSX tests. You can do this by removing the 'quiet' argument from the
'TestProgram' lines (1296, 1299, 1329, and 1337). So they go from:
TestProgram quiet "Without stdlib flag" "$CXX" "$CXXFLAGS" testp.cpp
to
TestProgram "Without stdlib flag" "$CXX" "$CXXFLAGS" testp.cpp
Also, you may want to try just running cpptraj's configure directly so
you can skip over the rest of what configure is doing.
cd $AMBERHOME/AmberTools/src/cpptraj
./configure -amberlib [-macAccelerate] clang
I can try to get my hands on a copy of Mojave, but for now this is
unfortunately the best I can do. Thanks for working with me on this.
-Dan
>
> ./testp
> $ Testing
>
> So far so good
>
> clang++ -O3 -std=c++11 -o testp testprogram.cpp
>
> No messages, no errors.
>
> ./testp
> $ Testing
>
> Onwards and upwards
>
> clang++ -O3 -stdlib=libstdc++ -o testp testprogram.cpp
>
> And bom goes the dynamite:
>
> clang: warning: libstdc++ is deprecated; move to libc++ [-Wdeprecated]
> warning: include path for stdlibc++ headers not found; pass '-std=libc++' on the
> command line to use the libc++ standard library instead
> [-Wstdlibcxx-not-found]
> testprogram.cpp:1:10: fatal error: 'cstdio' file not found
> #include <cstdio>
> ^~~~~~~~
> 1 warning and 1 error generated.
>
> I saw Andrew Schaubs response as well stating the following:
>
> StackExchange referenced twitter about libstdc++ and it's removal from
> Xcode 10.0. The suggested work around was to install Xcode 9.4, and simply
> copy the folders over:
>
> cp
> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/lib/libstdc++.*
> /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/lib/
> cp
> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/libstdc++.*
> /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/
>
> "PSA: libstdc++ is gone from the iOS 12.0 SDK (it is present in the runtime
> for binary compatibility). It's days are numbered on macOS as well. Migrate
> over to libc++ if you haven't already. #WWDC2018 #cplusplus" .jeremyhu
> https://stackoverflow.com/questions/50694822/xcode-10-ios-12-does-not-contain-libstdc6-0-9
>
> https://twitter.com/jeremyhu/status/1003882060556062720
>
> So obviously the libstdc++ is the issue. It should be replaced using libc++ instead, which I assume is a bunch of work. The workaround that Andrew provided might actually work, I do have my backups from where I could just pull the lib file/files i need. I will most likely try this since I have a hard time not leaving things undone though this is not a solution for the mac-related issues obviously.
>
> Thank you everyone for you help and input, I really enjoy posting to the AMBER forum since there is always good people providing excellent support here!
>
> Best regards
> // Gustaf
>
> On 10 Oct 2018, at 15:52, Daniel Roe <daniel.r.roe.gmail.com<mailto:daniel.r.roe.gmail.com>> wrote:
>
> clang++ -O3 -o testp testprogram.cpp
>
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Received on Fri Oct 12 2018 - 06:00:04 PDT
