I think we can also get around this by just passing the arg as a parameter.  Alternatively, this library is trivially small, we could force it to be statically linked <br><div class="gmail_quote"><div dir="ltr">On Thu, Sep 6, 2018 at 11:38 AM Derek Schuff via Phabricator <<a href="mailto:reviews@reviews.llvm.org">reviews@reviews.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">dschuff created this revision.<br>
dschuff added a reviewer: zturner.<br>
Herald added subscribers: aheejin, mgorny.<br>
<br>
r341502 added an extern declaration of TestMainArgv0 in<br>
testing/Support/SupportHelpers.cpp; It is defined in libgtest_main,<br>
so add that as an explicit dependency of LLVMTestingSupport.<br>
This fixes the BUILD_SHARED_LIBS build of LLVM.<br>
<br>
<br>
Repository:<br>
  rL LLVM<br>
<br>
<a href="https://reviews.llvm.org/D51745" rel="noreferrer" target="_blank">https://reviews.llvm.org/D51745</a><br>
<br>
Files:<br>
  lib/Testing/Support/CMakeLists.txt<br>
<br>
<br>
Index: lib/Testing/Support/CMakeLists.txt<br>
===================================================================<br>
--- lib/Testing/Support/CMakeLists.txt<br>
+++ lib/Testing/Support/CMakeLists.txt<br>
@@ -16,4 +16,4 @@<br>
<br>
 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)<br>
 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include)<br>
-target_link_libraries(LLVMTestingSupport PRIVATE gtest)<br>
+target_link_libraries(LLVMTestingSupport PRIVATE gtest gtest_main)<br>
<br>
<br>
</blockquote></div>