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CMake: make the regexes used for setting HOST_LINK_VERSION more forgiving (PR21268) 

If the output of 'ld -v' didn't match the regexes, CMake would previously error
with a message like:

  CMake Error at tools/clang/CMakeLists.txt:269 (string):
    string sub-command REGEX, mode REPLACE regex "[^0-9]*([0-9.]*).*" matched
    an empty string.

llvm-svn: 223106
This commit is contained in:
Hans Wennborg 2014-12-02 03:08:38 +00:00
parent 0101b540db
commit 76abe8ef98
1 changed files with 1 additions and 1 deletions
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2
clang/CMakeLists.txt
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@ -265,7 +265,7 @@ if (APPLE)
if (NOT HAD_ERROR)
if ("${LD_V_OUTPUT}" MATCHES ".*ld64.*")
string(REGEX REPLACE ".*ld64-([0-9.]*).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
else()
elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]*).*")
string(REGEX REPLACE "[^0-9]*([0-9.]*).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
endif()
else()