I gather that what gcc works on OS X depends on many things. Can anyone
be precise about exactly what works and what does not? I can do some
semi-sensible testing in a configure script if I knew what was wanted,
but I don't.
I have at this point put a test in for gcc version
minimum_gcc_version="4.0.1"
# Exit if the version of GCC is known to be too old
AS_VERSION_COMPARE([$GCC_VERSION], [$minimum_gcc_version],[
AC_MSG_WARN([GCC $GCC_VERSION is too old and can not build
AC_PACKAGE_NAME. Please use])
AC_MSG_WARN([a gcc of at least $minimum_gcc_version. )])
AC_MSG_ERROR([Exiting due to the use of a version of GCC that
is too old])
], [],[])
But from what I gather, having 4.0.1 on OS X is no guarantee of success.
The best thing to do would be to check for particular compiler features,
rather than versions, as that is more portable. But from a practical
point of view, I doubt anyone know what feature is missing in older
versions on OS X this is needed.
dave
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