The port must respect both CC and
CXX variables. What we mean by this is
that the port must not set the values of these variables
absolutely, overriding existing values; instead, it may
append whatever values it needs to the existing values. This
is so that build options that affect all ports can be set
globally.
If the port does not respect these variables,
please add
NO_PACKAGE=ignores either cc or cxx to the
Makefile.
An example of a Makefile respecting
both CC and CXX
variables follows. Note the ?=:
CC?= gcc
CXX?= g++
Here is an example which respects neither
CC nor CXX
variables:
CC= gcc
CXX= g++
Both CC and CXX
variables can be defined on FreeBSD systems in
/etc/make.conf. The first example
defines a value if it was not previously set in
/etc/make.conf, preserving any
system-wide definitions. The second example clobbers
anything previously defined.
All FreeBSD documents are available for download at http://ftp.FreeBSD.org/pub/FreeBSD/doc/
Questions that are not answered by the
documentation may be
sent to <freebsd-questions@FreeBSD.org>.
Send questions about this document to <freebsd-doc@FreeBSD.org>.