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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - lld-link should have a better diag on missing main / WinMain, probably by defaulting to the subsystem-specific entry point even if main isn't there"
href="https://bugs.llvm.org/show_bug.cgi?id=38972">38972</a>
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<th>Summary</th>
<td>lld-link should have a better diag on missing main / WinMain, probably by defaulting to the subsystem-specific entry point even if main isn't there
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<th>Product</th>
<td>lld
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>COFF
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
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<th>Reporter</th>
<td>nicolasweber@gmx.de
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>If main is missing in link.exe, it prints:
FAILED: test_process.exe test_process.exe.pdb
cmd /c C:/b/depot_tools/win_tools-2_7_6_bin/python/bin/python.exe
../../build/toolchain/win/tool_wrapper.py delete-file ./test_process.exe.pdb &&
C:/b/depot_tools/win_tools-2_7_6_bin/python/bin/python.exe
../../build/toolchain/win/tool_wrapper.py link-wrapper environment.x86 False
link.exe /nologo /OUT:./test_process.exe /PDB:./test_process.exe.pdb
@./test_process.exe.rsp
libcmt.lib(exe_main.obj) : error LNK2019: unresolved external symbol _main
referenced in function "int __cdecl __scrt_common_main_seh(void)"
(?__scrt_common_main_seh@@YAHXZ)
lld-link prints:
FAILED: test_process.exe test_process.exe.pdb
ninja -t msvc -e environment.x86 --
../../third_party/llvm-build/Release+Asserts/bin/lld-link.exe /nologo
/OUT:./test_process.exe /PDB:./test_process.exe.pdb @./test_process.exe.rsp
lld-link: error: entry point must be defined
"entry point" is less understandable than "missing _main" for most developers;
lld-link should have a better diag.</pre>
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