enhance FFTW easyblock to support SVE CPU feature and building with Fujitsu compiler

[migueldiascosta]

requires easybuilders/easybuild-framework#3677

being tested at Fugaku

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS FFTW-3.3.8-gompi-2020b.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
select-pika-c6gd-2xlarge-0001 - Linux centos linux 8.3.2011, AArch64, ARM UNKNOWN (graviton2), Python 3.6.8
See https://gist.github.com/9c04bf61455864a20fc34392effa111a for a full test report.

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS FFTW-3.3.8-gompi-2019b.eb
• SUCCESS FFTW-3.3.9-gompi-2021.04.eb
• SUCCESS FFTW-3.3.8-intel-2020b.eb

Build succeeded for 3 out of 3 (3 easyconfigs in total)
node3595.doduo.os - Linux RHEL 8.2, x86_64, AMD EPYC 7552 48-Core Processor (zen2), Python 3.6.8
See https://gist.github.com/b596a1018e271fbd287302bffa16714e for a full test report.

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS FFTW-3.3.8-gompi-2020b.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
easybuild2.novalocal - Linux centos linux 8.3.2011, POWER, IBM pSeries (emulated by qemu) (power9le), Python 3.6.8
See https://gist.github.com/472ccbd1c99448232746f192c30eda5d for a full test report.

addressed

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS FFTW-3.3.8-gompi-2020b.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
gw4a64fxlogin00 - Linux RHEL 8.2, AArch64, UNKNOWN (a64fx), Python 3.6.8
See https://gist.github.com/d1173597cc12cff16543c3788f046f2c for a full test report.

[boegel]

Last test report was on the A64FX partition on Isambard in the UK, and confirm that --enable-sve is correctly enabled when SVE is supported.

[boegel]

lgtm