especially -Wformat
Turns out it was a bug in common/Makefile.rules. Due to a typo ($(top_buildir) vs $(top_builddir)), AM_CXXFLAGS expanded to -I -Werror. Index: frysk-imports/tests/ChangeLog 2005-10-22 Andrew Cagney <cagney@redhat.com> * Makefile.am: Add copyright. (werror/java.sh, werror/cxx.sh): New targets. (werror/FAIL): Delete. * werror/Werror.cxx: New file, contains -Wformat error. Index: frysk-sys/common/ChangeLog 2005-10-22 Andrew Cagney <cagney@redhat.com> * Makefile.rules (AM_CXXFLAGS): Fix -I argument, $(top_builddir), not $(top_buildir). Index: frysk-sys/frysk/sys/ChangeLog 2005-10-22 Andrew Cagney <cagney@redhat.com> * cni/Errno.cxx (throwRuntimeException): New function. (vajprintf): New function, use throughout. * cni/Errno.hxx (throwRuntimeException): Declare variant with message, suffix, and val parameters. * cni/Wait.cxx (processStatus): Use.