Parallel build all C tests from top level makefile [AP-1086]

[woodfell]

Description

@swift-nav/devinfra

A small change to speed up builds of C tests when using the top level makefile, as is done in all CI stages.

The current makefile has 2 sections which build and run tests. They are similar (one targets a subset of tests for compatibility with big endian machines). They are both written as:

make -j4;
make do-all-tests

Where the first command builds all targets in parallel, and the second runs all the tests sequentially.

However, test targets are not built as part of all so what really happens is the main libsbp target is build in parallel in the first step, then all tests are built and run single threaded in the second stage. This can be easily fixed and sped up by altering the first command to build all test targets using the -j4 flag:

make -j4 build-all-tests;
make do-all-tests

API compatibility

Does this change introduce a API compatibility risk?

No

API compatibility plan

If the above is "Yes", please detail the compatibility (or migration) plan:

No

JIRA Reference

https://swift-nav.atlassian.net/browse/AP-1086

[sonarqubecloud]

Quality Gate passed for 'libsbp-c'

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[pcrumley]

@woodfell for PRs like this which only affects the libsbp repo it's a good idea to add #no_auto_pr to the title so our Jenkins doesn't do all the submodule updates. Nbd