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conan test conan-center-index\recipes\gn\all\test_package\conanfile.py gn/cci.20210429@ --profile=C:\J\w\BuildSingleReference@4/11012/6030cb3b-cbc6-4e54-be60-371ab87f915f/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MTd
compiler.version=15
os=Windows
os_build=Windows
[options]
[build_requires]
[env]

gn/cci.20210429 (test package): Installing package
Requirements
    gn/cci.20210429 from local cache - Cache
Packages
    gn/cci.20210429:01edd76db8e16db9b38c3cca44ec466a9444c388 - Cache
Build requirements
    ninja/1.10.2 from 'conan-center' - Cache
Build requirements packages
    ninja/1.10.2:01edd76db8e16db9b38c3cca44ec466a9444c388 - Cache

Installing (downloading, building) binaries...
gn/cci.20210429: Already installed!
gn/cci.20210429: Appending PATH environment variable: C:\J\w\BuildSingleReference@4\.conan\data\gn\cci.20210429\_\_\package\01edd76db8e16db9b38c3cca44ec466a9444c388\bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
ninja/1.10.2: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
gn/cci.20210429 (test package): Applying build-requirement: ninja/1.10.2
gn/cci.20210429 (test package): Generator txt created conanbuildinfo.txt
gn/cci.20210429 (test package): Generated conaninfo.txt
gn/cci.20210429 (test package): Generated graphinfo
Using lockfile: 'C:\J\w\BuildSingleReference@4\conan-center-index\recipes\gn\all\test_package\build\4db595328cb84128224f42badebba433b43024a7/conan.lock'
Using cached profile from lockfile
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
gn/cci.20210429 (test package): Calling build()

----Running------
> gn gen --args='target_os="windows" target_cpu="x64"' C:\J\w\BuildSingleReference@4\conan-center-index\recipes\gn\all\test_package\build\4db595328cb84128224f42badebba433b43024a7\bin
-----------------
ERROR Need exactly one build directory to generate.
I expected something more like "gn gen out/foo"
You can also see "gn help gen".
gn/cci.20210429: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@4\.conan\data\gn\cci.20210429\_\_\package\01edd76db8e16db9b38c3cca44ec466a9444c388\lib
ninja/1.10.2: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@4\.conan\data\ninja\1.10.2\_\_\package\01edd76db8e16db9b38c3cca44ec466a9444c388\lib
ERROR: gn/cci.20210429 (test package): Error in build() method, line 61
	self.run("gn gen {}".format(" ".join(gn_args)), run_environment=True)
	ConanException: Error 1 while executing gn gen --args='target_os="windows" target_cpu="x64"' C:\J\w\BuildSingleReference@4\conan-center-index\recipes\gn\all\test_package\build\4db595328cb84128224f42badebba433b43024a7\bin