id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
4626	The ckeck for ICU in regex library is detected as a build error in Visual Studio	terminatorul@…		"When building with a Makefile under Visual Studio (as a project pre-build event that compiles boost as a dependency, before the project) cl.exe compiler sees the VS_UNICODE_OUTPUT environment variable and sends the error message directly into the Visual Studio output window, even if it is just a test to check for ICU presence and the compiler outputs are otherwise redirected.

Even if boost build completes successfully, Visual Studio sees the output error message, considers the build as failed, and stops further compilation.

Unsetting VS_UNICODE_OUTPUT in the Makefile before building boost prevents the entire boost compilation process.
"	Bugs	new	To Be Determined	Building Boost	Boost 1.44.0	Problem