On 1/22/2020 12:40 PM, Vaughan Butler via blfs-support wrote:
I'm trying to build LLVM-9.0.1 with the optional Clang package, which
appears to be required for Firefox to build.
This goes OK until invoking ninja, which immediately stops the build,
with the message
ninja: error: '../cmake/modules/Generate VersionFromVCS.cmake', needed
by 'tools/clang/lib/Basic/VCSVersion.inc', missing and no known rule
to make it
Building LLVM without the Clang package completes normally, but the
Firefox build will complain that it is needed. Curiously I built
Firefox on LFS 8.4, in the same way, without this problem.
Hope someone can throw some light on this, as I've found nothing,
other than some similar PATH related issues with cmake, after
searching the web.
For what it's worth, I successfully built all that during the past
couple of weeks. Yesterday I got Firefox and Thunderbird to build
(there are some problems yet to be ironed out), following the BLFS book
exactly.
Alan
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