Hmm. I'll hazard a guess that your Xcode installation (plus command line tools) is a bit tussed and needs to be reinstalled. Using a mismatched Xcode + command line tools dmg can result in this kind of behavior.
∙ Does /usr/local/opt/readline/lib exist? Why is it referenced? ∙ Is there an instance of libstdc++.dylib in /usr/lib? (High Sierra) ∙ Do you have a /usr/lib/libc++.dylib? (Catalina) >> ld: warning: directory not found for option '-L/usr/local/opt/readline/lib:' >> ld: library not found for -lstdc++ >> configure: error: installation or configuration problem: C++ compiler cannot >> create executables. But a better place to post this Q would be [email protected] <mailto:[email protected]> -Carl > On Apr 21, 2020, at 7:45 PM, Jean-Christophe Helary > <[email protected]> wrote: > > I used to be able to build IceCat 52.3 (the GNU version of Firefox) on High > Sierra and I made a blog post about the instructions: > > https://mac4translators.blogspot.com/2017/10/icecat-on-high-sierra.html > > I was trying to build 60.7 last night and ended uo with weird error messages > during the configuration process. > > So I decided to try to build 52.3 again on Catalina and ended up with exactly > the same errors: > >> configure:2292: checking for c++ >> configure:2324: checking whether the C++ compiler (/usr/bin/clang++ >> -std=gnu++14 -L/usr/local/opt/readline/lib:) works >> configure:2340: /usr/bin/clang++ -std=gnu++14 -o conftest >> -I/usr/local/opt/readline/include: -L/usr/local/opt/readline/lib: conftest.C >> 1>&5 >> clang: warning: include path for libstdc++ headers not found; pass >> '-stdlib=libc++' on the command line to use the libc++ standard library >> instead [-Wstdlibcxx-not-found] >> clang: warning: libstdc++ is deprecated; move to libc++ with a minimum >> deployment target of OS X 10.9 [-Wdeprecated] >> ld: warning: directory not found for option '-L/usr/local/opt/readline/lib:' >> ld: library not found for -lstdc++ >> clang: error: linker command failed with exit code 1 (use -v to see >> invocation) >> configure: failed program was: >> >> #line 2335 "configure" >> #include "confdefs.h" >> >> int main(){return(0);} >> configure: error: installation or configuration problem: C++ compiler cannot >> create executables. > > > Is there a reason why clang would work in High Sierra but not in Catalina ? > > Am I missing anything ? > > Jean-Christophe Helary > ----------------------------------------------- > http://mac4translators.blogspot.com @brandelune > > > _______________________________________________ > MacOSX-talk mailing list > [email protected] > https://www.omnigroup.com/mailman/listinfo/macosx-talk
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