graphviz will fail installation/configuration

[dageekkid (dageekkid)]

on Sequoia 15.3.1 latest macports the mpv will not install due to graphviz error

-->  Fetching archive for graphviz
--->  Attempting to fetch graphviz-12.2.1_0+pangocairo+x11.darwin_24.arm64.tbz2 from https://packages.macports.org/graphviz
--->  Attempting to fetch graphviz-12.2.1_0+pangocairo+x11.darwin_24.arm64.tbz2 from https://bos.us.packages.macports.org/graphviz
--->  Attempting to fetch graphviz-12.2.1_0+pangocairo+x11.darwin_24.arm64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/graphviz
--->  Configuring graphviz
Error: Failed to configure graphviz: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_graphviz/graphviz/work/graphviz-12.2.1/config.log
Error: Failed to configure graphviz: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_graphviz/graphviz/main.log for details.
Error: Problem while installing graphviz
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.

[jmroot (Joshua Root)]

Please attach the main.log and config.log.

[dageekkid (dageekkid)]

config.log

[dageekkid (dageekkid)]

main.log

[ryandesign (Ryan Carsten Schmidt)]

The config.log says:

configure:20206: checking whether /usr/bin/clang++ supports C++17 features with -std=c++17
configure:21003: /usr/bin/clang++ -std=c++17 -c -pipe -Os -stdlib=libc++ -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk conftest.cpp >&5
conftest.cpp:450:10: fatal error: 'initializer_list' file not found
  450 | #include <initializer_list>
      |          ^~~~~~~~~~~~~~~~~~
1 error generated.

This might be ProblemHotlist#clts16; try the fix shown there.

[dageekkid (dageekkid)]

Thanks!!!

doing:

sudo rm -rf /Library/Developer/CommandLineTools/usr/include/c++

fixed it!!!

[ryandesign (Ryan Carsten Schmidt)]

Duplicate of #70750.