<div dir="ltr">Hey Ed - can you test this out on FreeBSD? This is a patch that fixes cmake on MacOSX. I verified it works on MacOSX and Linux with cmake/ninja.<div><br></div><div>The original code looks like it was opting in for the --start-group/--end-group linker options on FreeBSD, which this patch would change but might be a no-op on your end.</div>
<div><br></div><div>Thanks!</div><div><br></div><div><div>Index: CMakeLists.txt</div><div>===================================================================</div><div>--- CMakeLists.txt<span class="" style="white-space:pre"> </span>(revision 211105)</div>
<div>+++ CMakeLists.txt<span class="" style="white-space:pre"> </span>(working copy)</div><div>@@ -218,7 +218,7 @@</div><div> endif ()</div><div> </div><div> if(LLDB_USED_LIBS)</div><div>- if (LLVM_COMPILER_IS_GCC_COMPATIBLE)</div>
<div>+ if (LLVM_COMPILER_IS_GCC_COMPATIBLE AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "[Cc]lang")</div><div> target_link_libraries(${name} ${cmake_2_8_12_PUBLIC}</div><div> -Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)</div>
<div> else()</div></div><div><br></div><div><br></div><div><br></div><div>-Todd</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jun 17, 2014 at 10:48 AM, Todd Fiala <span dir="ltr"><<a href="mailto:tfiala@google.com" target="_blank">tfiala@google.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I've been able to replicate with:<div>1. sync llvm, llvm/tools/clang, llvm/tools/lldb into llvm/</div>
<div>2. mkdir build && cd build</div><div>3. cmake -GNinja ../llvm</div><div>4. ninja</div><div>
<br></div><div>On MacOSX 10.9.3 and cmake 3.0.0 with ninja head of git repo.</div><div><br></div><div>Working on a fix now.</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, Jun 17, 2014 at 9:03 AM, Todd Fiala <span dir="ltr"><<a href="mailto:tfiala@google.com" target="_blank">tfiala@google.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Okay thanks. I'll work on fixing that up today.</div><div><div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Mon, Jun 16, 2014 at 8:05 PM, Kuba Břečka <span dir="ltr"><<a href="mailto:kuba.brecka@gmail.com" target="_blank">kuba.brecka@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks, here's the message:</div><div><br></div><div>Linking CXX shared library ../../../lib/liblldb.dylib</div>
<div>ld: unknown option: --start-group</div><div>clang: error: linker command failed with exit code 1 (use -v to see invocation)</div><span><font color="#888888">
<div><br></div><div>Kuba</div><div><br></div></font></span></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Jun 16, 2014 at 7:49 PM, Todd Fiala <span dir="ltr"><<a href="mailto:tfiala@google.com" target="_blank">tfiala@google.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Ah I see.<div><br></div><div>Can you send me the error output? I'll get it fixed up.</div><div><br>
</div><div>Thanks!</div><span><font color="#888888"><div><br></div><div>-Todd</div></font></span></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Jun 16, 2014 at 5:45 PM, Kuba Břečka <span dir="ltr"><<a href="mailto:kuba.brecka@gmail.com" target="_blank">kuba.brecka@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi Todd,<div>yes, it's failing on my OS X. I would too expect <span style="font-family:arial,sans-serif;font-size:13px">LLVM_COMPILER_IS_GCC_</span><span style="font-family:arial,sans-serif;font-size:13px">COMPATIBLE to be false, but HandleLLVMStdlib.cmake says otherwise:</span><div>
<span style="font-family:arial,sans-serif;font-size:13px"><br></span></div> if(CMAKE_COMPILER_IS_GNUCXX)<br> set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)<br> elseif( MSVC )<br> set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)<br>
elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )<br> set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)<br> endif()<span><font color="#888888"><div><br></div><div>Kuba</div></font></span></div>
<div><br></div></div><div><div><div class="gmail_extra"><br><br>
<div class="gmail_quote">On Mon, Jun 16, 2014 at 5:28 PM, Todd Fiala <span dir="ltr"><<a href="mailto:tfiala@google.com" target="_blank">tfiala@google.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi Kuba,<div><br></div><div>I've been running on both MacOSX and Linux with the change in place. On MacOSX I'm using the canonical MacOSX build, Xcode-based. It's been a while since I built MacOSX with cmake primarily because I cannot get that build to run any tests successfully on my end.</div>
<div><br></div><div>Have you tried it on OSX and it's failing? I would expect LLVM_COMPILER_IS_GCC_COMPATIBLE to be false on MacOSX and thus for the check to be no change w/r/t cmake MacOSX if I read it right.</div>
</div>
<div class="gmail_extra"><br><br><div class="gmail_quote"><div><div>On Mon, Jun 16, 2014 at 3:08 PM, Kuba Břečka <span dir="ltr"><<a href="mailto:kuba.brecka@gmail.com" target="_blank">kuba.brecka@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><div>I think this patch breaks builds on default OS X systems. Or is there anything else than just "cmake ../llvm; make" for OS X?</div>
<div><br></div><div>Kuba</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Modified: lldb/trunk/CMakeLists.txt<br>URL: <a href="http://llvm.org/viewvc/llvm-project/lldb/trunk/CMakeLists.txt?rev=210035&r1=210034&r2=210035&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/lldb/trunk/CMakeLists.txt?rev=210035&r1=210034&r2=210035&view=diff</a><br>
==============================================================================<br>--- lldb/trunk/CMakeLists.txt (original)<br>+++ lldb/trunk/CMakeLists.txt Mon Jun 2 12:30:22 2014<br>@@ -218,9 +218,7 @@ macro(add_lldb_library name)<br>
endif ()<br> <br> if(LLDB_USED_LIBS)<br>- if (CMAKE_SYSTEM_NAME MATCHES "Linux" OR<br>- CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR<br>- CMAKE_SYSTEM_NAME MATCHES "Windows")<br>
+ if (LLVM_COMPILER_IS_GCC_COMPATIBLE)<br> target_link_libraries(${name} ${cmake_2_8_12_PUBLIC}<br> -Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)<br> else()</blockquote></div>
<div><br></div><div><br></div></div>
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