Failed to install libgcc9: no destroot found

[Vahid Askarpour]

Perhaps my best course of action is to reinstall the OS, Xcode and then MacPorts.

Thank you all for your suggestions.
Vahid

> On Sep 27, 2019, at 6:28 PM, Bill Cole <macportsusers-20171215 at billmail.scconsult.com> wrote:
> 
> On 27 Sep 2019, at 16:51, Chris Jones wrote:
> 
>>> On 27 Sep 2019, at 9:28 pm, Vahid Askarpour <vh261281 at dal.ca> wrote:
>>> 
>>> When I upgraded to Majove and installed Xcode 11.1, I ended up with gcc-4.2.1 and libgcc in /usr/bin and /usr/lib. Before, when I had High Sierra, I was running xcrysden with no issues.
>> 
>> That makes no sense at all. MacOS does not ship gcc,
> 
> What exactly does that sentence mean?
> 
> On my Mojave machine:
> 
> $ /usr/bin/gcc -v
> Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
> Apple clang version 11.0.0 (clang-1100.0.33.8)
> Target: x86_64-apple-darwin18.7.0
> Thread model: posix
> InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
> 
> It's not technically The Real GCC, but it is an executable binary at /usr/bin/gcc why acts a lot like GCC 4.2.1.
> 
> Also:
> 
> $ ls -l /usr/lib/libgcc*
> lrwxr-xr-x  1 root  wheel  15 Sep 25 08:41 /usr/lib/libgcc_s.1.dylib -> libSystem.dylib
> 
> Which is profoundly "Not Really LibGCC" but it is apparently close enough.
> 
> On High Sierra:
> 
> $ /usr/bin/gcc -v
> Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
> Apple LLVM version 10.0.0 (clang-1000.11.45.5)
> Target: x86_64-apple-darwin17.7.0
> Thread model: posix
> InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
> 
> $ ls -l /usr/lib/libgcc*
> lrwxr-xr-x  1 root  wheel     17 Sep 19  2018 /usr/lib/libgcc_s.1.dylib -> libSystem.B.dylib
> lrwxr-xr-x  1 root  wheel     19 Oct 15  2018 /usr/lib/libgcc_s.10.4.dylib -> libgcc_s.10.5.dylib
> -rwxr-xr-x  1 root  wheel  30948 Oct  6  2017 /usr/lib/libgcc_s.10.5.dylib
> 
> THAT is interesting...
> 
> $ otool -L  /usr/lib/libgcc_s.10.5.dylib
> /usr/lib/libgcc_s.10.5.dylib:
> 	/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 795.0.0)
> 
> Oh, OK, not really very interesting, just baroque...
> 
> (El Cap is very similar)
> 
> -- 
> Bill Cole
> bill at scconsult.com or billcole at apache.org
> (AKA @grumpybozo and many *@billmail.scconsult.com addresses)
> Not Currently Available For Hire