Error while building Chromium (Windows)

[Poster Rubin]

Hello everyone, I've just got full chromium source code following the instructions here "https://chromium.googlesource.com/chromium/src/+/master/docs/windows_build_instructions.md" and configured the Visual Studio environment and tried to buiid the "base" target. But I have encountered a problem while executing `autoninja -C out\Default base`.

The error message is 

ninja: Entering directory `out\Default'

[3/957] LINK nasm.exe nasm.exe.pdb

FAILED: nasm.exe nasm.exe.pdb

ninja -t msvc -e environment.x64 -- ..\..\third_party\llvm-build\Release+Asserts\bin\lld-link.exe /OUT:./nasm.exe /nologo -libpath:..\..\third_party\llvm-build\Release+Asserts\lib\clang\13.0.0\lib\windows "-libpath:C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29910\ATLMFC\lib\x64" "-libpath:C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29910\lib\x64" "-libpath:C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x64" "-libpath:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "-libpath:C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x64" "-libpath:C:\Program Files (x86)\Windows Kits\10\Lib\10.0.17763.0\um\x64"  /PDB:./nasm.exe.pdb @./nasm.exe.rsp

lld-link: error: unable to find mt.exe in PATH: no such file or directory

[4/957] LIB obj/third_party/protobuf/protobuf_full.lib

ninja: build stopped: subcommand failed.

The output error message seems to show that the program mt.exe is not in my PATH environment variable, but I have already added the container directory of "mt.exe" ("C:\Program Files (x86)\Windows Kits\10\bin\10.0.17763.0\x64") to my PATH, and the problem still exists.

Can anyone give me some help on this? Thank you very much.

[Fumitoshi Ukai (鵜飼文敏)]

2021年5月4日(火) 16:26 Poster Rubin <rubin...@gmail.com>:

Did you rerun `gn gen` ?

gn stores environment variables into environment.x64 file, and `ninja -t msvc -e environement.x64` sets environment variables by using the environment.x64 file when invoking the command (lld-link.exe in this case).

 

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[Poster Rubin]

It worked. 

Thank you for your help, now I can use autonijia to build the chromium from source code, good!

Fumitoshi Ukai (鵜飼文敏) <uk...@chromium.org> 于2021年5月7日周五 上午8:41写道：