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59 lines
2.1 KiB
Plaintext
59 lines
2.1 KiB
Plaintext
[[Property:title|Supported C compilers]]
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[[Property:weight|-14]]
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[[Property:uuid|4d4a70fa-b6da-cecb-83e0-dcc18d6ed54a]]
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==Unix/Linux Users:==
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EiffelStudio supports `gcc` on most platforms and the native `cc` compiler if it is an ANSI C compiler.
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==Microsoft Windows Users==
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EiffelStudio supports Microsoft and MinGW compilers on Microsoft Windows.
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===Microsoft Visual C++ Users===
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EiffelStudio supports versions 10.0 and higher of the Microsoft Visual Studio C++ environment. This is available in Visual Studio 2010 or higher revision, or in version of the Windows SDK 7.1 or higher.
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EiffelStudio will automatically detect the location of the C compiler.
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By default the installation program will set in the registry keys the <code lang="text">ISE_C_COMPILER</code> key to `msc` (for versions 12.0 and below) or `msc_vc140` (for Visual Studio C++ 2015 and later.)
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===MinGW Users===
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By default the installation program will set in the registry keys the <code lang="text">ISE_C_COMPILER</code> key to `mingw`.
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In versions as late as 6.6, there is a [[EiffelCOM Wizard Guided Tour|restriction]] that prevents the use of EiffelCOM with the MinGW compiler.
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===Changing your C compiler on Windows===
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You can do it in either of two different ways.
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You can manually edit the registry key <code lang="text">HKLM\Software\ISE\EiffelNN</code> and change the value of the <code lang="text">ISE_C_COMPILER</code> string key to either `msc` (`msc_vc140`) or `mingw` depending upon the effect you desire.
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Alternatively, you can set the environment variable <code lang="text">ISE_C_COMPILER</code> to either `msc` (`msc_vc140`) or `mingw`.
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{| style="width: auto; margin: 0 auto;"
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|+ Reference information about supported C compilers on Windows
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! Compiler
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! Value of <code lang="text">ISE_C_COMPILER</code>
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| MinGW
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| `mingw`
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| Microsoft Visual Studio C++ 2010 (v10.0)
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| `msc`
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| Microsoft Visual Studio C++ 2012 (v11.0)
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| `msc`
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| Microsoft Visual Studio C++ 2013 (v12.0)
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| `msc`
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| Microsoft Visual Studio C++ 2015 (v14.0)
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| `msc_vc140`
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| Microsoft Visual Studio C++ 2017 (v15.0)
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| `msc_vc140`
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