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meson: Error out if building nouveau and using LLVM without rtti

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Nouveau requires rtti. Often LLVM is configured without rtti, and code
with and without cannot be linked safely. Lets just error out if nouveau
is requested and llvm is built without rtti.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109202
Fixes: c5a97d658e
       ("meson: fix builds against LLVM built without rtti")
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Dylan Baker 2018-12-31 19:23:52 -08:00
parent 1b97a72328
commit a2596450ac
1 changed files with 3 additions and 0 deletions
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meson.build
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@ -1231,6 +1231,9 @@ if with_llvm
# programs, so we need to build all C++ code in mesa without rtti as well to
# ensure that linking works.
if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
if with_gallium_nouveau
error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
endif
cpp_args += '-fno-rtti'
endif
elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr