MantisBT - CMake
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ID	Project	Category	View Status	Date Submitted	Last Update
0015906	CMake	CMake	public	2016-01-09 12:37	2016-06-10 14:31

Reporter	Jan Henke
Assigned To	Kitware Robot
Priority	normal	Severity	major	Reproducibility	always
Status	closed	Resolution	moved
Platform		OS	Windows	OS Version	10
Product Version	CMake 3.4.1
Target Version		Fixed in Version

Summary	0015906: With Microsoft Visual Studio CMake should use the C++ compiler for C files, if C standard >= C99 is set
Description	The Mircosoft Visual Studio C compiler only supports ISO 9899:1989 (aka C89). Newer C features are only implemented in the C++ compiler and only for the subset of C, which is part of the C++ standard (see for reference: http://herbsutter.com/2012/05/03/reader-qa-what-about-vc-and-c99/ [^]) Since a few versions CMake provides a way to specify the features or standard for your application. Thus if the requested standard level is C99 or above, or any of the features introduced in C99 or above, CMake should use the C++ compiler for C files. To quote from above web site: "We recommend that C developers use the C++ compiler to compile C code (using /TP if the file is named something.c). This is the best choice for using Visual C++ to compile C code." Please change the generator for Visual Studio solutions accordingly. That way we can use modern C feature with CMake and the Visual Studio compilers.
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Issue History
Date Modified	Username	Field	Change
2016-01-09 12:37	Jan Henke	New Issue
2016-06-10 14:29	Kitware Robot	Note Added: 0042909
2016-06-10 14:29	Kitware Robot	Status	new => resolved
2016-06-10 14:29	Kitware Robot	Resolution	open => moved
2016-06-10 14:29	Kitware Robot	Assigned To	=> Kitware Robot
2016-06-10 14:31	Kitware Robot	Status	resolved => closed

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