<div dir="auto">Could you post the exact commands you are using for initializing your vcvars and configuring cmake? I haven't built LLVM on Windows in recent weeks but do have some experience with it.<div dir="auto"><br></div><div dir="auto">My suspicion is that you have initialized the vcvars in some way so that it is doing 32bit builds/using 32bit compiler tools. I exclusively build x64 configurations on Windows, and I suspect the error is exactly what it says: the 32bit linker cannot access enough heap to finish. A quick search online suggests that the automatic fail over to a 64bit linker may be a bit unreliable.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Mar 6, 2021, 12:47 PM Paul C. Anagnostopoulos via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<p>I uninstalled Cmake 2.20 and installed 2.19. Then I could make
some progress. My build is now hanging after a series of the
following messages. I mean really hanging; I have to blow away the
process. Does anyone know what a PDB error is?<br>
</p>
<div><font size="3"><font face="monospace">[18/356]
Linking CXX executable bin\llc.exe<br>
FAILED: bin/llc.exe<br>
cmd.exe /C "cd . && "C:\Program
Files\CMake\bin\cmake.exe" -E vs_link_exe
--intdir=tools\llc\CMakeFiles\llc.dir
--rc=C:\PROGRA~2\WI3CF2~1\10\bin\100183~1.0\x86\rc.exe
--mt=C:\PROGRA~2\WI3CF2~1\10\bin\100183~1.0\x86\mt.exe
--manifests --
C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe
/nologo @CMakeFiles\llc.rsp /out:bin\llc.exe
/implib:lib\llc.lib /pdb:bin\llc.pdb /version:0.0 /machine:X86
/STACK:10000000 /debug /INCREMENTAL /subsystem:console
&& cd ."<br>
LINK Pass 1: command
"C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe
/nologo @CMakeFiles\llc.rsp /out:bin\llc.exe
/implib:lib\llc.lib /pdb:bin\llc.pdb /version:0.0 /machine:X86
/STACK:10000000 /debug /INCREMENTAL /subsystem:console
/MANIFEST
/MANIFESTFILE:tools\llc\CMakeFiles\llc.dir/intermediate.manifest
tools\llc\CMakeFiles\llc.dir/manifest.res" failed (exit code
1318) with the following output:<br>
LINK : the 32-bit linker
(C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe)
ran out of heap space and is going to restart linking with a
64-bit linker<br>
LINK : fatal error LNK1318: Unexpected PDB error; RPC (23)
'(0x000006BA)'<br>
[19/356] Linking CXX executable bin\bugpoint.exe<br>
FAILED: bin/bugpoint.exe<br>
cmd.exe /C "cd . && "C:\Program
Files\CMake\bin\cmake.exe" -E vs_link_exe
--intdir=tools\bugpoint\CMakeFiles\bugpoint.dir
--rc=C:\PROGRA~2\WI3CF2~1\10\bin\100183~1.0\x86\rc.exe
--mt=C:\PROGRA~2\WI3CF2~1\10\bin\100183~1.0\x86\mt.exe
--manifests --
C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe
/nologo @CMakeFiles\bugpoint.rsp /out:bin\bugpoint.exe
/implib:lib\bugpoint.lib /pdb:bin\bugpoint.pdb /version:0.0
/machine:X86 /STACK:10000000 /debug /INCREMENTAL
/subsystem:console && cd ."<br>
LINK Pass 1: command
"C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe
/nologo @CMakeFiles\bugpoint.rsp /out:bin\bugpoint.exe
/implib:lib\bugpoint.lib /pdb:bin\bugpoint.pdb /version:0.0
/machine:X86 /STACK:10000000 /debug /INCREMENTAL
/subsystem:console /MANIFEST
/MANIFESTFILE:tools\bugpoint\CMakeFiles\bugpoint.dir/intermediate.manifest
tools\bugpoint\CMakeFiles\bugpoint.dir/manifest.res" failed
(exit code 1318) with the following output:<br>
LINK : bin\bugpoint.exe not found or not built by the last
incremental link; performing full link<br>
LINK : the 32-bit linker
(C:\PROGRA~2\MICROS~2\2019\COMMUN~1\VC\Tools\MSVC\1428~1.293\bin\Hostx86\x86\link.exe)
ran out of heap space and is going to restart linking with a
64-bit linker<br>
LINK : fatal error LNK1318: Unexpected PDB error; RPC (23)
'(0x000006BA)'<br>
</font><br>
</font>
</div>
</div>
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