build/pkgs/pynac/dependencies: Remove giac

[mkoeppe]

As noted in #21700, our pynac spkg-install script explicitly disables use of giac. So that should not be a dependency.

Removing the dependency allows for greater parallelization of the build.

This is also a step toward allowing to build Sage with ./configure --without-giac (see #30383 - configure --disable-SPKG for standard packages).

See also:

• spkg-configure.m4 for pynac #29542 spkg-configure.m4 for pynac

CC: @dimpase @jhpalmieri @thierry-FreeBSD @orlitzky @tobiasdiez

Component: packages: standard

Keywords: dependencies, giac, pynac

Author: Matthias Koeppe

Branch/Commit: 9c5f559

Reviewer: John Palmieri

Issue created by migration from https://trac.sagemath.org/ticket/30718

[mkoeppe]

Branch: u/mkoeppe/build_pkgs_pynac_dependencies__remove_giac

[mkoeppe]

New commits:

9c5f559

build/pkgs/pynac/dependencies: Remove giac

[mkoeppe]

Author: Matthias Koeppe

[mkoeppe]

Commit: 9c5f559

[jhpalmieri]

comment:3

This looks okay, but something is wrong with other dependencies. With this branch, make pynac works. With the current develop branch, make pynac fails (on OS X + homebrew) because giac fails to build:

checking for lapack... no
configure: error: Package requirements (lapack) were not met:

No package 'lapack' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables LAPACK_CFLAGS
and LAPACK_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

Running plain "make" works, I guess because something gets built before giac which provides whatever it needs.

[jhpalmieri]

Reviewer: John Palmieri

[mkoeppe]

comment:5

The giac dependencies look fine - it depends on gsl, which depends on BLAS

[jhpalmieri]

comment:6

I have homebrew packages for openblas and gsl, so Sage doesn't build those. I see this error on two different machines running OS X 10.15.7, Xcode 12, and a pretty complete homebrew installation (the only thing that Sage's configure complains about is cmake). If you have access to such a machine, try make distclean; ./configure; make giac. I'm curious about how it goes.

[mkoeppe]

comment:7

Yes, confirmed on my system (still with Xcode 11)

[mkoeppe]

comment:8

Doing make toolchain first fixes this problem.

[jhpalmieri]

comment:9

Replying to @mkoeppe:

Doing make toolchain first fixes this problem.

Followup at #30721.

[slel]

Changed keywords from none to dependencies, giac, pynac

[vbraun]

Changed branch from u/mkoeppe/build_pkgs_pynac_dependencies__remove_giac to 9c5f559