Evaluate BOARDS only once before going in all directories.
This uses the target specific 'export BOARDS ?=' to export the variable
with its value without evaluating during parsing.
* Add a variable to list all boards without using 'find'.
* By default 'BOARDS' is the list of all boards.
* Add the 'info-boards' target that lists BOARDS.
* Use in RIOT/Makefile
Rational: the periph_common module is required by (most) other periph drivers
and also during startup of the CPU/MCU to run periph_init. The latter is only
required if other periph drivers are used, hence periph_common should be a
depency of periph_* modules and *not* of the CPU/MCU. This PR fixes that
by making periph_common a depency of periph_* and removing the explicit
include in the CPU/MCU implementation.
Put the definition of `FEATURES_USED` in common and use the variable
instead of duplicating code.
This required defining 'FEATURES_OPTIONAL_ONLY|USED' to not overwrite
the value of 'FEATURES_OPTIONAL' as was done before.
Also add 'FEATURES_OPTIONAL_MISSING' to list optional features that were
not included as not provided.
This removes the need to print FEATURES_MISSING with the optional
features too.
Update the FEATURES_OPTIONAL meaning to be more in line since
FEATURES_USED is defined. Handle FEATURES_OPTIONAL as a configuration from
the BSP/build that should not be changed anymore after.
`FEATURES_OPTIONAL` are by definition optional so are not supposed to
cause a build to fail.
Only the 'REQUIRED' ones that are not 'PROVIDED' are 'MISSING'.
* Do not change FEATURES_OPTIONAL to remove REQUIRED features
* Prepare for having a different variable for the previous value
* Update dependency resolution/info-build as FEATURES_OPTIONAL cannot be missing
When '$(PREFIX)objdump' is not present fallback to native '(g)objdump'.
'objdump' is used when flashing for some boards but the toolchain may
not be installed when building in docker.
This will allow using 'objdump' in 'cpu/kinetis/dist/check-fcfield.sh'.
To read float number from stdin, add "-u scanf_float"
option to the linker.
This option is setup using a pseudomodule as it is already done for
printf_float.
Just add to your Makefile:
USEMODULE += scanf_float
Signed-off-by: Gilles DOFFE <g.doffe@gmail.com>
DEBUGGER/DEBUGGER_FLAGS/DEBUGSERVER/DEBUGSERVER_FLAGS are evaluated by the
main Makefile.include or by file included by it.
Their value does not need to be exported.
Testing
-------
`git diff --word-diff` only reports `export` being removed.
`git show --stat` reports `55 insertions(+), 55 deletions(-)`
Which is the same amount as lines that where matching
`export[[:blank::]]\+VARIABLE`.
RESET and RESET_FLAGS are evaluated by the main Makefile.include or by file
included by it. Their value does not need to be exported.
This will also prevent evaluating 'PORT' for RESET_FLAGS when not needed.
Testing
-------
`git diff --word-diff` only reports `export` being removed.
`git show --stat` reports `24 insertions(+), 24 deletions(-)`
Which is the same amount as lines that where matching
`export[[:blank::]]\+VARIABLE`.
FLASHER and FFLAGS are evaluated by the main Makefile.include or by file
included by it. Their value does not need to be exported.
This will also prevent evaluating 'PORT' for FFLAGS when not needed.
Testing
-------
`git diff --word-diff` only reports `export` being removed.
`git show --stat` reports `84 insertions(+), 84 deletions(-)`
Which is the same amount as lines that where matching
`export[[:blank::]]\+VARIABLE`.
