My attempt to build Sage 7.6 resulted in an error. Before beginning, I
checked that I had all the required dependencies and suggested programs.
Then I got the code through git, set MAKE='make -j5 -j4' since I have four
physical cpu cores, and ran make. Make ran for about 45 min. and then
returned this error:
Error building Sage.
The following package(s) may have failed to build (not necessarily
during this run of 'make all'):
* package: openblas-0.2.19.p0
log file: /home/christopher/sagemath/sage/logs/pkgs/openblas-0.2.19.p0.log
build directory: /home/christopher/sagemath/sage/local/var/tmp/sage/build/
openblas-0.2.19.p0
The build directory may contain configuration files and other potentially
helpful information. WARNING: if you now run 'make' again, the build
directory will, by default, be deleted. Set the environment variable
SAGE_KEEP_BUILT_SPKGS to 'yes' to prevent this.
Makefile:16: recipe for target 'all' failed
make: *** [all] Error 1
I checked the log file, and it said that detecting the CPU failed:
make[3]: *** [getarch_2nd] Error 1
Makefile:123: *** OpenBLAS: Detecting CPU failed. Please set TARGET
explicitly,
e.g. make TARGET=your_cpu_target. Please read README for the detail.. Stop.
make[3]: Leaving directory
'/home/christopher/sagemath/sage/local/var/tmp/sage/build/openblas-0.2.19.p0/src'
Error building OpenBLAS
Above this, I saw a bunch of errors involving getarch_2nd.c, which seems
consistent with this. My cput is an Intel Celeron N2940 with four cores and
a base clock of 1.83 ghz, this is what inxi reports on it:
me@thinkpad11e:~$ inxi -C
CPU: Quad core Intel Celeron N2940 (-MCP-) cache: 1024 KB
clock speeds: max: 2249 MHz 1: 1140 MHz 2: 1569 MHz 3: 2245 MHz 4
: 2247 MHz
This is my first time building a program from source. It looks like I have
to set the TARGET env variable to indicate my CPU manually, but I'm not
sure how to do that. Should I do this, or just trying running make again?
(If I double-posted, I'm sorry, the first time I tried to post it looked
like it had failed to come through)
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