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conan install icu/68.1@ --profile=C:\J\w\BuildSingleReference@2/11195/6690cc6b-cec5-4c85-8bac-51ec97a3494b/profile.txt --build=icu
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=15
os=Windows
os_build=Windows
[options]
icu:shared=True
[build_requires]
[env]

icu/68.1: Forced build from source
Installing package: icu/68.1
Requirements
    icu/68.1 from local cache - Cache
Packages
    icu/68.1:1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8 - Build
Build requirements
    msys2/20200517 from 'conan-center' - Cache
Build requirements packages
    msys2/20200517:eee3fba89db6d777329de604625af8c30d46f080 - Cache

Installing (downloading, building) binaries...
msys2/20200517: Already installed!
msys2/20200517: Creating MSYS_ROOT env var : C:\J\w\BuildSingleReference@2/s\645d37\1\bin\msys64
msys2/20200517: Creating MSYS_BIN env var : C:\J\w\BuildSingleReference@2/s\645d37\1\bin\msys64\usr\bin
msys2/20200517: Appending PATH env var with : C:\J\w\BuildSingleReference@2/s\645d37\1\bin\msys64\usr\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
icu/68.1: Applying build-requirement: msys2/20200517
icu/68.1: Copying sources to build folder
icu/68.1: Building your package in C:\J\w\BuildSingleReference@2\.conan\data\icu\68.1\_\_\build\1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8
icu/68.1: Generator txt created conanbuildinfo.txt
[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
icu/68.1: Calling build()
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.19
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'
icu/68.1: run_in_windows_bash: C:\J\w\BuildSingleReference@2\s\645d37\1\bin\msys64\usr\bin\bash.exe --login -c ^"cd \^"/c/j/w/buildsinglereference@2/.conan/data/icu/68.1/_/_/build/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/source_subfolder/build\^" ^&^& PATH=\^"/c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin:$PATH\^" ^&^& ../source/runConfigureICU Cygwin/MSVC --prefix=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8 --with-library-bits=64 --disable-samples --disable-layout --disable-layoutex --disable-extras --datarootdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --sbindir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/bin --libdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --disable-static --enable-shared --disable-tests ^"

----Running------
> C:\J\w\BuildSingleReference@2\s\645d37\1\bin\msys64\usr\bin\bash.exe --login -c ^"cd \^"/c/j/w/buildsinglereference@2/.conan/data/icu/68.1/_/_/build/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/source_subfolder/build\^" ^&^& PATH=\^"/c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin:$PATH\^" ^&^& ../source/runConfigureICU Cygwin/MSVC --prefix=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8 --with-library-bits=64 --disable-samples --disable-layout --disable-layoutex --disable-extras --datarootdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --sbindir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/bin --libdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --disable-static --enable-shared --disable-tests ^"
-----------------
export CPP= CC=cl CXX=cl CPPFLAGS=-DNDEBUG CFLAGS=-Gy -MT -O2 -Ob2 -MT CXXFLAGS=-Gy -MT -O2 -Ob2 -MT LDFLAGS= MAKE=
Running ./configure  --prefix=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8 --with-library-bits=64 --disable-samples --disable-layout --disable-layoutex --disable-extras --datarootdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --sbindir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/bin --libdir=C:/J/w/BuildSingleReference@2/.conan/data/icu/68.1/_/_/package/1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8/lib --disable-static --enable-shared --disable-tests for Windows with Cygwin using Microsoft Visual C++ compiler

configure: loading site script /mingw64/etc/config.site
checking for ICU version numbers... release 68.1, library 68.1, unicode version 13.0
checking build system type... x86_64-w64-mingw32
checking host system type... x86_64-w64-mingw32
checking whether to build debug libraries... no
checking whether to build release libraries... yes
checking whether the C compiler works... yes
checking for C compiler default output file name... conftest.exe
checking for suffix of executables... .exe
checking whether we are cross compiling... no
checking for suffix of object files... obj
checking whether we are using the GNU C compiler... no
checking whether cl accepts -g... yes
checking for cl option to accept ISO C89... none needed
checking whether we are using the GNU C++ compiler... no
checking whether cl accepts -g... yes
checking for pkg-config... /c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin/pkg-config
checking pkg-config is at least version 0.20... yes
checking for ICULEHB... no
checking how to run the C preprocessor... cl -E
checking for a BSD-compatible install... /usr/bin/install -c
checking for python3... python3
checking for gmake... no
checking for gnumake... no
checking for doxygen... no
checking checking for executable suffix... .exe
checking whether strict compiling is on... yes
checking for grep that handles long lines and -e... /c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin/grep
checking for egrep... /c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... no
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... no
checking size of void *... 8
checking whether runnable 64 bit binaries are built by default... yes
checking which Makefile fragment to use for x86_64-w64-mingw32... mh-msys-msvc
checking for floor in -lm... no
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking whether to enable auto cleanup of libraries... no
checking whether to enable draft APIs... yes
checking for ranlib... ranlib
checking for a sed that does not truncate output... /c/j/w/buildsinglereference@2/s/645d37/1/bin/msys64/usr/bin/sed
checking for ar... ar
checking whether to enable renaming of symbols... yes
checking whether to enable function and data tracing... no
msys2/20200517: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@2/s\645d37\1\lib
icu/68.1: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@2\.conan\data\icu\68.1\_\_\build\1f43f08648c60ffc9eaab66fd5f3b41ffa8c2ca8