There are a number of recent tickets, not yet merged, that fix /usr/local 
leakage.
First ticket to try: https://trac.sagemath.org/ticket/31552 - singular

On Wednesday, March 31, 2021 at 8:35:26 PM UTC-7 jus...@mac.com wrote:

> A quick follow-up:
>
> > On Mar 31, 2021, at 20:26 , 'Justin C. Walker' via sage-release <
> sage-r...@googlegroups.com> wrote:
> > 
> > Thanks for looking at this. See below:
> > 
> >> On Mar 31, 2021, at 17:33 , Matthias Köppe <matthia...@gmail.com> 
> wrote:
> >> 
> >> On Wednesday, March 31, 2021 at 2:53:22 PM UTC-7 jus...@mac.com wrote:
> >> 
> >>> with rc0 and rc1, I have a real problem on all three macOS systems of 
> mine (10.13.6, 10.14.6 and 10.15.7): the build proceeds a while, and then 
> blows up on pynac. The log for this build, and the config.log, are attached 
> (and I do not use any package managers). 
> >>> 
> >>> One possibly odd thing is this line near the end of the pynac log: 
> >>> ld: can't map file, errno=22 file '/Users/Sage/sage-9.3.rc1/local/lib' 
> for architecture x86_64
> >> From pynac.log:
> >> 
> >> /bin/bash ../libtool --tag=CXX --mode=link g++ -std=gnu++11 -std=c++11 
> -O2 -g -O2 -g -march=native -version-info 21:5:3 
> -L/Users/Sage/sage-9.3.rc0/local/lib 
> -Wl,-rpath,/Users/Sage/sage-9.3.rc0/local/lib -o libpynac.la -rpath 
> /Users/Sage/sage-9.3.rc0/local/lib libpynac_la-add.lo [...] 
> libpynac_la-useries.lo -bundle -undefined dynamic_lookup 
> -L/Users/Sage/sage-9.3.rc0/local/lib 
> -Wl,-rpath,/Users/Sage/sage-9.3.rc0/local/lib -L. 
> -L/Users/Sage/sage-9.3.rc0/local/lib 
> -Wl,-rpath,/Users/Sage/sage-9.3.rc0/local/lib 
> -L/Users/Sage/sage-9.3.rc0/local/lib 
> -Wl,-rpath,/Users/Sage/sage-9.3.rc0/local/lib -O2 -g -march=native -lflint 
> -lgmp -lfactory -Wl,/Users/Sage/sage-9.3.rc0/local/lib -lflint -lmpfr -lntl 
> -L/usr/local/lib -Wl,-rpath -Wl,/usr/local/lib -lgmp -lomalloc 
> -L/Users/Sage/sage-9.3.rc0/local/lib -lsingular_resources -lflint -lgmp 
> >> 
> >> Note the "-Wl,-rpath -Wl,/usr/local/lib" - which gets reordered by 
> libtool in the next line to something that causes the error.
> >> Correct would be "-Wl,-rpath,/usr/local/lib". It would be worth 
> checking whether this is coming in from some environment variables that you 
> may have set.
> > 
> > Here is the environment in my normal shell:
> > 
> > $ env|grep lib
> > $
> > 
> > so nothing that mentions ‘lib’. I ran this in SAGE_ROOT for 9.3-rc1
> > 
> > Then, following the instructions near the end of the pynac log, I did 
> the same:
> > 
> > (sage-buildsh) justin@Kronecker:pynac-0.7.27.p1$ env|grep lib
> > LDFLAGS=-L/Users/Sage/sage-9.3.rc1/local/lib 
> -Wl,-rpath,/Users/Sage/sage-9.3.rc1/local/lib 
> > R_MAKEVARS_SITE=/Users/Sage/sage-9.3.rc1/local/lib/R/share/Makevars.site
> > ECLDIR=/Users/Sage/sage-9.3.rc1/local/lib/ecl/
> > LIBRARY_PATH=/Users/Sage/sage-9.3.rc1/local/lib
> > PERL5LIB=/Users/Sage/sage-9.3.rc1/local/lib/perl5:
> > MPLCONFIGDIR=/Users/justin/.sage//matplotlib-1.5.1
> > SAGE_SPKG_INST=/Users/Sage/sage-9.3.rc1/local/var/lib/sage/installed
> > RANLIB=ranlib
> > SAGE_PARI_CFG=/Users/Sage/sage-9.3.rc1/local/lib/pari/pari.cfg
> > (sage-buildsh) justin@Kronecker:pynac-0.7.27.p1$ 
> > 
> > Doesn’t seem like “/usr/local/lib” is mentioned. Does ‘env’ catch all 
> environment variables?
> > 
> > Justin
>
> I see the same thing you pointed out in the rc0 log for pynac, but there 
> is no mention at all of “/usr/local” in the pynac logs for earlier betas. 
> This is on my 10.13.6 system, and have not updated this system’s tool chain 
> in forever (a technical term meaning “I've forgotten the last time I did 
> it”).
>
> Maybe something snuck into the repository between beta9 and rc0?
>
> Justin
>
> --
> Justin C. Walker, Curmudgeon at Large
> Director
> Institute for the Enhancement of the Director's income
> -----------
> Question 43:
> What if the hokey pokey
> really *is* what it’s all about?
> --
>
>

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