`make check` executes `tidy` after compile. It reminds me that I've left
long lines or trailing whitespaces only after compilation finshed. That
is too late since I have to recompile only because fixing the trivial
formatting issues.
Run tidy first to avoid potentially unnecessary re-compilation.
# Main test targets
######################################################################
-check: all tidy check-stage2 \
+check: tidy all check-stage2 \
-check-full: all tidy check-stage1 check-stage2 check-stage3 \
+check-full: tidy all check-stage1 check-stage2 check-stage3 \
# Run the tidy script in multiple parts to avoid huge 'echo' commands
ifdef CFG_NOTIDY