12.10. Verbose Build Logs

Make the port build system display all commands executed during the build stage. Complete build logs are crucial to debugging port problems.

Non-informative build log example (bad):

  CC     source1.o
  CC     source2.o
  CCLD   someprogram

Verbose build log example (good):

cc -O2 -pipe -I/usr/local/include -c -o source1.o source1.c
cc -O2 -pipe -I/usr/local/include -c -o source2.o source2.c
cc -o someprogram source1.o source2.o -L/usr/local/lib -lsomelib

Some build systems such as CMake, ninja, and GNU configure are set up for verbose logging by the ports framework. In other cases, ports might need individial tweaks.

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