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Brian Gesiak 2866fad7f3 [cmake] GetSVN.cmake takes a list of arguments 
Summary:
GetSVN.cmake currently takes one or two pairs of <source directory path,
name>, then attempts to get the remote repository URL and source control
revision of the repositories at those one or two paths.

It takes two pairs in order for Clang to get the revision of both
itself, and its dependency LLVM.

For projects that rely upon both LLVM and Clang (Apple's Swift is one
example, but there are others), GetSVN.cmake is used to fetch *three*
revisions: Swift, Clang, and LLVM.

To support this use case, change GetSVN.cmake: instead of taking one or
two pairs (specified via `FIRST_SOURCE_DIR`/`FIRST_NAME`, have it take a list
of pairs (`SOURCE_DIRS`/`NAMES`).

In order to allow Clang to migrate, have GetSVN.cmake support both sets
of arguments for now. The old arguments can be removed once Clang begins
using the new arguments, and Swift can follow when it updates its
copy of LLVM.

Test Plan:
1. Perform a clean build of Clang, verify that `clang --version` still
   prints the correct LLVM and Clang revision information.
2. Modify Clang's CMake to use the new arguments, then perform another
   clean build. `clang --version` should still print the correct
   revision information.

Reviewers: jordan_rose, beanz, probinson

Subscribers: echristo, chapuni, llvm-commits, mgorny

Differential Revision: https://reviews.llvm.org/D35132

llvm-svn: 308507
2017-07-19 18:37:02 +00:00
..
modules [cmake] GetSVN.cmake takes a list of arguments 2017-07-19 18:37:02 +00:00
platforms [CMake] Add variable IOS to iOS toolchain 2017-02-17 01:11:41 +00:00
config-ix.cmake D33466: Make file non-executable. 2017-06-20 14:20:48 +00:00
config.guess
dummy.cpp
nsis_icon.ico
nsis_logo.bmp
README

README 

See docs/CMake.html for instructions on how to build LLVM with CMake.