[Mesa3d-users] getting started, compiling Mesa

[Andy S. <And...@ma...>]

Hi.  We try to compile all 3rd party libraries that we use with the same
flags and everything with which we compile our own code.  I'm trying to
build Mesa with our flags.  We build 3rd party libraries from a makefile
that tries to handle a particular library's own build system (whether
straight make, CMake, ant, etc).  In this case, I'd love to build Mesa
with all our flags, all specified from this one makefile.  We have our
own CXXFLAGS, for example, and would like to get that into the Mesa
build.

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I don't think I'll be able to, though.  It doesn't look like there is a
way to append anything to CFLAGS or CXXFLAGS after they are set in a
config file and before they are used in other Makefiles.

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For regular compilation, it looks like I can set CFLAGS, CXXFLAGS, etc
in a config file.  One option is to edit the ones we're closest to
(appending our own flags to the given lists).  Another is to add new,
in-house config files that include the closest existing ones and then =
+=3D
the variables we want to amend.  Then the only existing Mesa file I'd
have to edit would be the top level Makefile.  Any opinions on this or
whether there is another way?  Even if there is an existing config file
that comes close to matching ours, I'd like it such that any change to
our own flags automatically gets into the Mesa build.

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Linker flags are another issue.  mklib has an -archopts flag, but it
looks to me like it is only applied in the case of Darwin.  Is that
right?

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thanks,

andy

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