phantomjs: cc1plus: error: unrecognized command line option "-mavx"

[ryandesign (Ryan Carsten Schmidt)]

While phantomjs 1.8.0 builds on the Lion and Mountain Lion buildbots, it fails to build on the Snow Leopard buildbot:

​https://build.macports.org/builders/buildports-snowleopard-x86_64/builds/13259/steps/compile/logs/stdio

g++ -c -pipe -mavx -O2 -Wall -W  -I../../../mkspecs/macx-g++ -I. -o avx.o avx.cpp
cc1plus: error: unrecognized command line option "-mavx"

This was observed with 1.7.0 as well.

[maenuleu@…]

I successfully installed phantomjs by using mp-gcc45.

Select compiler:

sudo port select gcc mp-gcc45

and install:

sudo port install phantomjs

[ryandesign (Ryan Carsten Schmidt)]

It's a bug that phantomjs takes your compiler selection into account; it should not; see #36747.