<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Historically we have supported building libcxx without llvm-config available on the system.<div class=""><br class=""></div><div class="">In all likelihood the bots didn't fail because the bots do have llvm-config because we usually require an llvm build or source checkout in order to build and run the tests since tests depend on lit and gtest.<br class=""><div class=""><br class=""></div><div class="">-Chris<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 25, 2018, at 12:51 PM, Don Hinton <<a href="mailto:hintonda@gmail.com" class="">hintonda@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote">On Thu, Jan 25, 2018 at 12:29 PM, Duncan P. N. Exon Smith <span dir="ltr" class=""><<a href="mailto:dexonsmith@apple.com" target="_blank" class="">dexonsmith@apple.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><div class=""></div><div class=""><div class="">I don't really understand why, but our bots seemed to survive this:</div><div class=""><a href="http://lab.llvm.org:8080/green/view/Libcxx/job/libcxx_master_cmake/2137/" target="_blank" class="">http://lab.llvm.org:8080/<wbr class="">green/view/Libcxx/job/libcxx_<wbr class="">master_cmake/2137/</a></div><div class=""><br class=""></div><div class="">Console output is here:</div><div class=""><a href="http://lab.llvm.org:8080/green/view/Libcxx/job/libcxx_master_cmake/2137/consoleFull" target="_blank" class="">http://lab.llvm.org:8080/<wbr class="">green/view/Libcxx/job/libcxx_<wbr class="">master_cmake/2137/consoleFull</a></div><div class=""><br class=""></div><div class="">That doesn't necessarily mean it's safe. Does anyone know why this might have "worked"?</div></div></div></blockquote><div class=""><br class=""></div><div class="">I'm not an expert, but llvm installs all of these cmake modules along side llvm-config, so if you find llvm-config, you find these modules.</div><div class=""><br class=""></div><div class="">So, unless I'm missing something, it looks like AddLLVM.cmake is always available.</div><div class=""> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><div class=""><div class=""><div class="h5"><div class=""><br class=""><blockquote type="cite" class=""><div class="">On Jan 25, 2018, at 11:02, Shoaib Meenai <<a href="mailto:smeenai@fb.com" target="_blank" class="">smeenai@fb.com</a>> wrote:</div><br class="m_4857861198779353090Apple-interchange-newline"><div class=""><div class="m_4857861198779353090WordSection1" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)"><div style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif" class="">This is going to break building libc++ standalone (i.e. without any LLVM repository or even its CMake modules), right? Some upstream users care a lot about that use case (CC beanz and Duncan).<u class=""></u><u class=""></u></div><div style="margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div><div style="border-style:solid none none;border-top-width:1pt;border-top-color:rgb(181,196,223);padding:3pt 0in 0in" class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><b class=""><span style="font-size:12pt" class="">From:<span class="m_4857861198779353090Apple-converted-space"> </span></span></b><span style="font-size:12pt" class="">cfe-commits <<a href="mailto:cfe-commits-bounces@lists.llvm.org" style="color:purple;text-decoration:underline" target="_blank" class="">cfe-commits-bounces@lists.<wbr class="">llvm.org</a>> on behalf of Don Hinton via cfe-commits <<a href="mailto:cfe-commits@lists.llvm.org" style="color:purple;text-decoration:underline" target="_blank" class="">cfe-commits@lists.llvm.org</a>><br class=""><b class="">Reply-To:<span class="m_4857861198779353090Apple-converted-space"> </span></b>Don Hinton <<a href="mailto:hintonda@gmail.com" style="color:purple;text-decoration:underline" target="_blank" class="">hintonda@gmail.com</a>><br class=""><b class="">Date:<span class="m_4857861198779353090Apple-converted-space"> </span></b>Thursday, January 25, 2018 at 10:15 AM<br class=""><b class="">To:<span class="m_4857861198779353090Apple-converted-space"> </span></b>"<a href="mailto:cfe-commits@lists.llvm.org" style="color:purple;text-decoration:underline" target="_blank" class="">cfe-commits@lists.llvm.<wbr class="">org</a>" <<a href="mailto:cfe-commits@lists.llvm.org" style="color:purple;text-decoration:underline" target="_blank" class="">cfe-commits@lists.llvm.org</a>><br class=""><b class="">Subject:<span class="m_4857861198779353090Apple-converted-space"> </span></b>[libcxx] r323453 - [cmake] [libcxx] Call llvm_setup_rpath() when adding shared libraries.<u class=""></u><u class=""></u></span></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Author: dhinton<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Date: Thu Jan 25 10:13:26 2018<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">New Revision: 323453<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">URL:<span class="m_4857861198779353090Apple-converted-space"> </span><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__llvm.org_viewvc_llvm-2Dproject-3Frev-3D323453-26view-3Drev&d=DwIGaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=zwvSmk9ZIfMARYg3JvYvNuA0Iz-PEq3H2i_ICF6vsR8&s=LDCu89byjNdZWoCIYHGHaPr3IamIdHLF0JwbnYE92vM&e=" style="color:purple;text-decoration:underline" target="_blank" class="">https://urldefense.<wbr class="">proofpoint.com/v2/url?u=http-<wbr class="">3A__llvm.org_viewvc_llvm-<wbr class="">2Dproject-3Frev-3D323453-<wbr class="">26view-3Drev&d=DwIGaQ&c=<wbr class="">5VD0RTtNlTh3ycd41b3MUw&r=<wbr class="">o3kDXzdBUE3ljQXKeTWOMw&m=<wbr class="">zwvSmk9ZIfMARYg3JvYvNuA0Iz-<wbr class="">PEq3H2i_ICF6vsR8&s=<wbr class="">LDCu89byjNdZWoCIYHGHaPr3IamIdH<wbr class="">LF0JwbnYE92vM&e=</a><u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Log:<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">[cmake] [libcxx] Call llvm_setup_rpath() when adding shared libraries.<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Clang and llvm already use llvm_setup_rpath(), so this change will<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">help standarize rpath usage across all projects.<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Differential Revision:<span class="m_4857861198779353090Apple-converted-space"> </span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__reviews.llvm.org_D42459&d=DwIGaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=zwvSmk9ZIfMARYg3JvYvNuA0Iz-PEq3H2i_ICF6vsR8&s=YCR-YJBua5p-4IK05GjHoZUU7aN8UJAFzL2xaz7byyw&e=" style="color:purple;text-decoration:underline" target="_blank" class="">https://urldefense.<wbr class="">proofpoint.com/v2/url?u=https-<wbr class="">3A__reviews.llvm.org_D42459&d=<wbr class="">DwIGaQ&c=<wbr class="">5VD0RTtNlTh3ycd41b3MUw&r=<wbr class="">o3kDXzdBUE3ljQXKeTWOMw&m=<wbr class="">zwvSmk9ZIfMARYg3JvYvNuA0Iz-<wbr class="">PEq3H2i_ICF6vsR8&s=YCR-<wbr class="">YJBua5p-<wbr class="">4IK05GjHoZUU7aN8UJAFzL2xaz7byy<wbr class="">w&e=</a><u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Modified:<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""> libcxx/trunk/lib/<wbr class="">CMakeLists.txt<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">Modified: libcxx/trunk/lib/CMakeLists.<wbr class="">txt<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">URL:<span class="m_4857861198779353090Apple-converted-space"> </span><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__llvm.org_viewvc_llvm-2Dproject_libcxx_trunk_lib_CMakeLists.txt-3Frev-3D323453-26r1-3D323452-26r2-3D323453-26view-3Ddiff&d=DwIGaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=zwvSmk9ZIfMARYg3JvYvNuA0Iz-PEq3H2i_ICF6vsR8&s=Rd7xc2GWS8oyDcm0QshNPTqM3BglPY5_aHMIuCRUt1s&e=" style="color:purple;text-decoration:underline" target="_blank" class="">https://urldefense.<wbr class="">proofpoint.com/v2/url?u=http-<wbr class="">3A__llvm.org_viewvc_llvm-<wbr class="">2Dproject_libcxx_trunk_lib_<wbr class="">CMakeLists.txt-3Frev-3D323453-<wbr class="">26r1-3D323452-26r2-3D323453-<wbr class="">26view-3Ddiff&d=DwIGaQ&c=<wbr class="">5VD0RTtNlTh3ycd41b3MUw&r=<wbr class="">o3kDXzdBUE3ljQXKeTWOMw&m=<wbr class="">zwvSmk9ZIfMARYg3JvYvNuA0Iz-<wbr class="">PEq3H2i_ICF6vsR8&s=<wbr class="">Rd7xc2GWS8oyDcm0QshNPTqM3BglPY<wbr class="">5_aHMIuCRUt1s&e=</a><u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">==============================<wbr class="">==============================<wbr class="">==================<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">--- libcxx/trunk/lib/CMakeLists.<wbr class="">txt (original)<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">+++ libcxx/trunk/lib/CMakeLists.<wbr class="">txt Thu Jan 25 10:13:26 2018<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">@@ -222,6 +222,7 @@ set(LIBCXX_TARGETS)<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""># Build the shared library.<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">if (LIBCXX_ENABLE_SHARED)<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""> add_library(cxx_shared SHARED $<TARGET_OBJECTS:cxx_objects>)<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">+ llvm_setup_rpath(cxx_<wbr class="">shared)<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""> target_link_libraries(cxx_<wbr class="">shared ${LIBCXX_LIBRARIES})<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""> set_target_properties(cxx_<wbr class="">shared<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""> PROPERTIES<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class=""><u class=""></u> <u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 0.5in;font-size:11pt;font-family:Calibri,sans-serif" class="">______________________________<wbr class="">_________________<u class=""></u><u class=""></u></div></div><div class=""><div style="margin:0in 0in 0.0001pt 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