[HOOK - conan-center.py] pre_export(): [DEPRECATED GLOBAL CPPSTD (KB-H001)] OK
[HOOK - conan-center.py] pre_export(): [REFERENCE LOWERCASE (KB-H002)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE METADATA (KB-H003)] OK
[HOOK - conan-center.py] pre_export(): [HEADER_ONLY, NO COPY SOURCE (KB-H005)] OK
[HOOK - conan-center.py] pre_export(): [FPIC OPTION (KB-H006)] OK
[HOOK - conan-center.py] pre_export(): [VERSION RANGES (KB-H008)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] Total recipe size: 13.853515625 KB
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] OK
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: None
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: None
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE FOLDER (KB-H024)] OK
[HOOK - conan-center.py] pre_export(): [META LINES (KB-H025)] OK
[HOOK - conan-center.py] pre_export(): [CONAN CENTER INDEX URL (KB-H027)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE MINIMUM VERSION (KB-H028)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - RUN ENVIRONMENT (KB-H029)] OK
[HOOK - conan-center.py] pre_export(): [SYSTEM REQUIREMENTS (KB-H032)] OK
[HOOK - conan-center.py] pre_export(): [CONANDATA.YML FORMAT (KB-H030)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - NO IMPORTS() (KB-H034)] OK
[HOOK - conan-center.py] pre_export(): [NO AUTHOR (KB-H037)] OK
[HOOK - conan-center.py] pre_export(): [NO TARGET NAME (KB-H040)] OK
[HOOK - conan-center.py] pre_export(): [NO FINAL ENDLINE (KB-H041)] OK
[HOOK - conan-center.py] pre_export(): [NO REQUIRES.ADD() (KB-H044)] OK
[HOOK - conan-center.py] pre_export(): [DELETE OPTIONS (KB-H045)] OK
[HOOK - conan-center.py] pre_export(): [NO ASCII CHARACTERS (KB-H047)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE VERBOSE MAKEFILE (KB-H046)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE VERSION REQUIRED (KB-H048)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE WINDOWS EXPORT ALL SYMBOLS (KB-H049)] OK
[HOOK - conan-center.py] pre_export(): [DEFAULT OPTIONS AS DICTIONARY (KB-H051)] OK
[HOOK - conan-center.py] pre_export(): [CONFIG.YML HAS NEW VERSION (KB-H052)] OK
[HOOK - conan-center.py] pre_export(): [PRIVATE IMPORTS (KB-H053)] OK
Exporting package recipe
glib/2.65.0 exports: File 'conandata.yml' found. Exporting it...
glib/2.65.0 exports: Copied 1 '.yml' file: conandata.yml
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] Saving conandata.yml: {'sources': {'2.65.0': {'url': 'https://download.gnome.org/sources/glib/2.65/glib-2.65.0.tar.xz', 'sha256': 'b041e63cd0ac1fccb486374022ade040d907aad29b278e27d9e43e9294a6e7a3'}}}
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] New conandata.yml contents: sources:
  2.65.0:
    sha256: b041e63cd0ac1fccb486374022ade040d907aad29b278e27d9e43e9294a6e7a3
    url: https://download.gnome.org/sources/glib/2.65/glib-2.65.0.tar.xz

[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] OK
[HOOK - conan-center.py] post_export(): [DEFAULT SHARED OPTION VALUE (KB-H050)] OK
glib/2.65.0: The stored package has not changed
glib/2.65.0: Using the exported files summary hash as the recipe revision: 78f60d4111b5b4d74c11fca2d8188423 
glib/2.65.0: Exported revision: 78f60d4111b5b4d74c11fca2d8188423
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MD
compiler.version=16
os=Windows
os_build=Windows
[options]
glib:shared=True
[build_requires]
[env]

glib/2.65.0: Forced build from source
glib/2.65.0 (test package): Installing package
Requirements
    bzip2/1.0.8 from 'central' - Cache
    glib/2.65.0 from local cache - Cache
    libelf/0.8.13 from 'central' - Cache
    libffi/3.3 from 'central' - Cache
    libgettext/0.20.1 from 'central' - Cache
    libiconv/1.16 from 'central' - Cache
    pcre/8.44 from 'central' - Cache
    zlib/1.2.11 from 'central' - Cache
Packages
    bzip2/1.0.8:d16a91eadaaf5829b928b12d2f836ff7680d3df5 - Cache
    glib/2.65.0:39022ddb4abc5a55ae186ee8c99842984908fec8 - Build
    libelf/0.8.13:3fb49604f9c2f729b85ba3115852006824e72cab - Cache
    libffi/3.3:3fb49604f9c2f729b85ba3115852006824e72cab - Cache
    libgettext/0.20.1:b13ada78896add21999e422ef79cd1de53c4d4f5 - Cache
    libiconv/1.16:3fb49604f9c2f729b85ba3115852006824e72cab - Cache
    pcre/8.44:dc9afb8c60d4a368d09c45c18fcf7d7b996c7866 - Cache
    zlib/1.2.11:3fb49604f9c2f729b85ba3115852006824e72cab - Cache
Build requirements
    meson/0.56.0 from 'central' - Cache
    ninja/1.10.1 from 'central' - Cache
    pkgconf/1.7.3 from 'central' - Cache
Build requirements packages
    meson/0.56.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    ninja/1.10.1:0a420ff5c47119e668867cdb51baff0eca1fdb68 - Cache
    pkgconf/1.7.3:3fb49604f9c2f729b85ba3115852006824e72cab - Cache

Installing (downloading, building) binaries...
bzip2/1.0.8: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libelf/0.8.13: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libffi/3.3: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libiconv/1.16: Already installed!
libiconv/1.16: Appending PATH environment var: C:\J\w\cci_PR-3841@4\.conan\data\libiconv\1.16\_\_\package\3fb49604f9c2f729b85ba3115852006824e72cab\bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
ninja/1.10.1: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
pkgconf/1.7.3: Already installed!
pkgconf/1.7.3: Appending PATH env var: C:\J\w\cci_PR-3841@4\.conan\data\pkgconf\1.7.3\_\_\package\3fb49604f9c2f729b85ba3115852006824e72cab\bin
pkgconf/1.7.3: Setting PKG_CONFIG env var: C:/J/w/cci_PR-3841@4/.conan/data/pkgconf/1.7.3/_/_/package/3fb49604f9c2f729b85ba3115852006824e72cab/bin/pkgconf.exe
pkgconf/1.7.3: Appending AUTOMAKE_CONAN_INCLUDES env var: /c/j/w/cci_pr-3841@4/.conan/data/pkgconf/1.7.3/_/_/package/3fb49604f9c2f729b85ba3115852006824e72cab/bin/aclocal
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
zlib/1.2.11: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libgettext/0.20.1: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
meson/0.56.0: Already installed!
meson/0.56.0: Appending PATH environment variable: C:\J\w\cci_PR-3841@4\.conan\data\meson\0.56.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\bin
pcre/8.44: Already installed!
pcre/8.44: Appending PATH environment variable: C:\J\w\cci_PR-3841@4\.conan\data\pcre\8.44\_\_\package\dc9afb8c60d4a368d09c45c18fcf7d7b996c7866\bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
glib/2.65.0: Applying build-requirement: meson/0.56.0
glib/2.65.0: Applying build-requirement: pkgconf/1.7.3
glib/2.65.0: Applying build-requirement: ninja/1.10.1
glib/2.65.0: Copying sources to build folder
glib/2.65.0: Building your package in C:\J\w\cci_PR-3841@4/s\b5e2e0\1
glib/2.65.0: Generator pkg_config created meson.pc
glib/2.65.0: Generator pkg_config created pkgconf.pc
glib/2.65.0: Generator pkg_config created libffi.pc
glib/2.65.0: Generator pkg_config created libpcre32.pc
glib/2.65.0: Generator pkg_config created libpcre16.pc
glib/2.65.0: Generator pkg_config created libpcre.pc
glib/2.65.0: Generator pkg_config created libpcreposix.pc
glib/2.65.0: Generator pkg_config created pcre.pc
glib/2.65.0: Generator pkg_config created libelf.pc
glib/2.65.0: Generator pkg_config created libgettext.pc
glib/2.65.0: Generator pkg_config created ninja.pc
glib/2.65.0: Generator pkg_config created zlib.pc
glib/2.65.0: Generator pkg_config created bzip2.pc
glib/2.65.0: Generator pkg_config created libiconv.pc
[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
glib/2.65.0: Calling build()
**********************************************************************
** Visual Studio 2019 Developer Command Prompt v16.8.1
** Copyright (c) 2020 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'

----Running------
> meson "C:\J\w\cci_PR-3841@4/s\b5e2e0\1\source_subfolder" "C:\J\w\cci_PR-3841@4/s\b5e2e0\1\build_subfolder" --backend=ninja -Dprefix="C:\J\w\cci_PR-3841@4/s\f38867\1" -Dlibdir="lib" -Dbindir="bin" -Dsbindir="bin" -Dlibexecdir="bin" -Dincludedir="include" -Ddefault_library="shared" -Dinternal_pcre="False" --wrap-mode=nofallback --buildtype=release
-----------------
Using 'PKG_CONFIG_PATH' from environment with value: 'C:\\J\\w\\cci_PR-3841@4/s\\b5e2e0\\1'
Using 'PKG_CONFIG_PATH' from environment with value: 'C:\\J\\w\\cci_PR-3841@4/s\\b5e2e0\\1'
The Meson build system
Version: 0.56.0
Source dir: C:\J\w\cci_PR-3841@4\s\b5e2e0\1\source_subfolder
Build dir: C:\J\w\cci_PR-3841@4\s\b5e2e0\1\build_subfolder
Build type: native build
Project name: glib
Project version: 2.65.0
Using 'CFLAGS' from environment with value: '-O2 -Ob2 -MD'
Using 'LDFLAGS' from environment with value: '-LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\pkgconf\\1.7.3\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libffi\\3.3\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\pcre\\8.44\\_\\_\\package\\dc9afb8c60d4a368d09c45c18fcf7d7b996c7866\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libelf\\0.8.13\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libgettext\\0.20.1\\_\\_\\package\\b13ada78896add21999e422ef79cd1de53c4d4f5\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\zlib\\1.2.11\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\bzip2\\1.0.8\\_\\_\\package\\d16a91eadaaf5829b928b12d2f836ff7680d3df5\\lib -LIBPATH:C:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libiconv\\1.16\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\lib'
Using 'CPPFLAGS' from environment with value: '-IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\pkgconf\\1.7.3\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\pkgconf\\1.7.3\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include\\libpkgconf -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libffi\\3.3\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\pcre\\8.44\\_\\_\\package\\dc9afb8c60d4a368d09c45c18fcf7d7b996c7866\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libelf\\0.8.13\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libgettext\\0.20.1\\_\\_\\package\\b13ada78896add21999e422ef79cd1de53c4d4f5\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\zlib\\1.2.11\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\bzip2\\1.0.8\\_\\_\\package\\d16a91eadaaf5829b928b12d2f836ff7680d3df5\\include -IC:\\J\\w\\cci_PR-3841@4\\.conan\\data\\libiconv\\1.16\\_\\_\\package\\3fb49604f9c2f729b85ba3115852006824e72cab\\include -DPCRE_STATIC=1 -DFFI_BUILDING -DPKGCONFIG_IS_STATIC -DNDEBUG'

source_subfolder\meson.build:1:0: ERROR: Value "gnu99" (of type "string") for combo option "C language standard to use" is not one of the choices. Possible choices are (as string): "none", "c89", "c99", "c11".

A full log can be found at C:\J\w\cci_PR-3841@4\s\b5e2e0\1\build_subfolder\meson-logs\meson-log.txt
glib/2.65.0: 

JSON file created at 'C:\J\w\cci_PR-3841@4/2/818664cd-b072-4e44-9a27-1214a4e19e3f/_create.json'