Mikhail Teterin e56a4705d5 When WARNS is set in a Makefile even to 1, the flag ``-Wsystem-headers'' ... is added to the list of compiler's warning-flags. This triggers a warning like: /usr/include/c++/4.2/bits/basic_ios.h:156: warning: empty body in an if-statement in g++42. When this compiler is used, where NO_WERROR is set, the port fails to build, as warnings are treated as errors. This, pretty much, means, that NO C++ code can currently be compiled with WARNS set to anything on FreeBSD. Work-around the deficiency for now by removing the ``-Wsystem-headers'' from CXXFLAGS after including bsd.lib.mk. This fixes graphics/libfpx on 8.x as well as allows the port to be built by gcc-4.2 on 6.x and 5.x. Continuously reminded of by: pav		2008-01-26 23:43:36 +00:00
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files	When WARNS is set in a Makefile even to 1, the flag ``-Wsystem-headers''	2008-01-26 23:43:36 +00:00
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