[Tools] Making all toolchains print final compiler message

[bridadan]

Description

This functionality was already present in the ARM toolchain script, but
this commit adds this across all toolchain scripts. Solves an issue that
cropped up where a build error wasn't being printed unless the verbose
flag was used. This should now print any existing error messages that have
been printed when the compiler output is being parsed.

Status

READY

Migrations

If this PR changes any APIs or behaviors, give a short description of what API users should do when this PR is merged.

NO, however this does touch the toolchain scripts, so this definitely needs to be under review for a bit before it gets merged.

Related PRs

This issue cropped up on the IAR build of this PR in CI: #2849

The build correctly failed, however the error message was not printed

Todos

• Tests
• Review by @theotherjimmy
• Review by @screamerbg

Deploy notes

This may add more warnings that weren't being printed before, so the overall build log for existing projects may change (for the better!)

Steps to test or reproduce

Build log before this change testing this PR: #2849

11:25:02 + mbed test --compile -m TY51822R3 -t IAR -DMBED_HEAP_STATS_ENABLED=1 -DMBED_STACK_STATS_ENABLED=1 --build-report-junit=C:/Jenkins/workspace/bm_wrap/655/.axes/target/TY51822R3/toolchain/IAR/build_report_TY51822R3_IAR.xml
11:25:03 Building library mbed-build (TY51822R3, IAR)
11:25:03 Scan: 655
11:25:03 Scan: FEATURE_BLE
11:25:03 Scan: FEATURE_COMMON_PAL
11:25:03 Scan: FEATURE_UVISOR
11:25:03 Scan: FEATURE_IPV4
11:25:03 Scan: FEATURE_IPV6
11:25:03 Scan: FEATURE_STORAGE
11:25:03 Copy: greentea_metrics.h
11:25:03 Copy: greentea_serial.h
...
11:25:15 Compile [ 64.6%]: nordic_critical.c
11:25:16 Failed to build library

Failed to build but no error message! 👎

Build log after this change testing this PR: #2849

C:\Users\bridan01\Documents\dev\m_mbed\mbed>mbed test --compile -m TY51822R3  -t IAR
Building library mbed-build (TY51822R3, IAR)
Scan: mbed
Scan: FEATURE_BLE
Scan: FEATURE_COMMON_PAL
Scan: FEATURE_UVISOR
Scan: FEATURE_IPV4
Scan: FEATURE_IPV6
Scan: FEATURE_STORAGE
Compile [  0.4%]: mbed_critical.c
Compile [  0.8%]: nordic_critical.c
[Error] nordic_critical.c@38,0: [Pe167]: argument of type "uint8_t volatile *" is incompatible with parameter of type "uint8_t *"
Failed to build library

Failed to build, but there's an error message! 👍

[sg-]

@screamerbg ping!

[screamerbg]

LGTM

[bridadan]

/morph test

[mbed-bot]

Result: SUCCESS

Your command has finished executing! Here's what you wrote!

/morph test

Output

mbed Build Number: 997

All builds and test passed!

[screamerbg]

GoGo!