Use --static with pkg-config.
Use --static with pkg-config.

This is needed to pick up -lm for libopus when it requires it.

xiph/opusfile,SmartWalkieOrg/opusfile,SmartWalkieOrg/opusfile,youfearm3/opusfile,SmartWalkieOrg/opusfile,gcp/opusfile,youfearm3/opusfile,xiph/opusfile,gcp/opusfile,gcp/opusfile,xiph/opusfile