gcc problems on MacOS

[David Roe]

I'm trying to build Sage 10.2.rc4 on MacOS 13.3.1 and have been running into multiple errors, some possibly due to Apple upgrading my OS when my laptop went in for repair.  I've managed to get past all of Sage's dependencies, and am currently stuck on an error in sagelib:

g++ -std=gnu++11 -std=gnu++11 -bundle -undefined dynamic_lookup -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk -L/Users/roed/sage/sage-10.2.rc4/local/lib -Wl,-rpath, .... -L/Users/roed/sage/sage-10.2.rc4/local/lib -lflint -lgmp -lSingular -lpolys -lflint -lmpfr -lgmp -lfactory -lflint -lmpfr -lgmp -lntl -lgmp -lomalloc -lsingular_resources -lgsl -lopenblas -lm -o build/lib.macosx-13-x86_64-cpython-311/sage/symbolic/expression.cpython-311-darwin.so -lpari

error: command '/Users/roed/sage/sage-10.2.rc4/local/libexec/ccache/gcc' failed with exit code 1

(see config.log and sagelib-10.2.rc4.log for more details)

Previously, I did

xcode-select --install
sudo xcode-select --switch /Library/Developer/CommandLineTools
brew install gcc

to get past a build error in scipy

../meson.build:82:0: ERROR: Compiler gfortran cannot compile programs.

I noticed that this is the first g++ call after a bunch of gcc calls, but it doesn't seem to be the first g++ call overall.  Any ideas?

David

[Matthias Koeppe]

The real error from your log:

    sage/algebras/quatalg/quaternion_algebra_element.cpp:22735:3: error: 'fmpz_poly_scalar_mul_mpz' is deprecated. Use 'fmpz_poly_scalar_mul_fmpz' instead.
      fmpz_poly_scalar_mul_mpz(__pyx_v_self->x, __pyx_v_self->x, __pyx_v_4sage_8algebras_7quatalg_26quaternion_algebra_element_T1);
      ^
    ///usr/local/include/flint/fmpz_poly.h:1263:34: note: expanded from macro 'fmpz_poly_scalar_mul_mpz'
    #define fmpz_poly_scalar_mul_mpz _Pragma("GCC error \"'fmpz_poly_scalar_mul_mpz' is deprecated. Use 'fmpz_poly_scalar_mul_fmpz' instead.\"")
                                     ^
    <scratch space>:433:6: note: expanded from here
     GCC error "'fmpz_poly_scalar_mul_mpz' is deprecated. Use 'fmpz_poly_scalar_mul_fmpz' instead."
         ^

Your config.log says that you are using flint from SPKG. Above refers to a FLINT installation in /usr/local, likely incompatible FLINT 3. Best to uninstall that

[David Roe]

Thank you Matthias; clearing out /usr/local/include/flint* and /usr/local/flint* solved the problem.

David

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