error and warning messages that are picked up by the error-check
target. Use them instead of using a bare ${ECHO} for more code clarity.
Implemented as suggested by Roland Illig.
are generated for a target and output them all at once at the conclusion
of the target's invocation. The implementation is in bsd.pkg.error.mk,
which defines a macro target "error-check" that will print out any
non-empty warning and error files in ${WARNING_DIR} and ${ERROR_DIR}
and exit appropriately if there were errors.
Convert some targets that were just long sequences of ${ERROR_MSG} or
${WARNING_MSG} within a single shell statement to use the new delayed
error output via error-check.
Modify the compiler "fail" wrappers for C++ and Fortran to be less
verbose during invocation. Instead collect the warnings and only
print them at the end of the completed phase, e.g. after "configure"
and/or "build" completes.