delete
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N a v a n e e t h wrote:
set "Compile as C".
I never did that, it seems to know from the extension (as it should IMO).
N a v a n e e t h wrote:
create an empty project
ah. of course. I'll have to remember that. thanks. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
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Luc Pattyn wrote:
it seems to know from the extension (as it should IMO).
I don't think so. On default settings it uses C++ compiler to compile the code irrespective of what extension it is. You can see this from the output window. This will work because most of the C code is also valid on C++. When you set the "Compile as C" option, you can see adiitional compiler flag getting added to the compile command and it defaults to the C89 standard. :)
Best wishes, Navaneeth
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N a v a n e e t h wrote:
set "Compile as C".
I never did that, it seems to know from the extension (as it should IMO).
N a v a n e e t h wrote:
create an empty project
ah. of course. I'll have to remember that. thanks. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
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Luc Pattyn wrote:
...it seems to know from the extension (as it should IMO).
It always has for me. I've never changed compiler options when switching between C and CPP files.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
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Luc Pattyn wrote:
it seems to know from the extension (as it should IMO).
I don't think so. On default settings it uses C++ compiler to compile the code irrespective of what extension it is. You can see this from the output window. This will work because most of the C code is also valid on C++. When you set the "Compile as C" option, you can see adiitional compiler flag getting added to the compile command and it defaults to the C89 standard. :)
Best wishes, Navaneeth
I now located the "compile as C" switch (project Properties/Configuration Properties/CC++/Advanced); I'm pretty sure I've never used it before. I will experiment next time I need some native code stuff. Thanks. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
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Luc Pattyn wrote:
it seems to know from the extension (as it should IMO).
I don't think so. On default settings it uses C++ compiler to compile the code irrespective of what extension it is. You can see this from the output window. This will work because most of the C code is also valid on C++. When you set the "Compile as C" option, you can see adiitional compiler flag getting added to the compile command and it defaults to the C89 standard. :)
Best wishes, Navaneeth
I just discovered Visual Studio 2008 Express Edition applies /TC (i.e. Compile as C code) for a C file inside a C++ project (which has the setting /TP, i.e. Compile as C++ code). So there is no need to change the setting provided the extension is correct. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
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Luc Pattyn wrote:
...it seems to know from the extension (as it should IMO).
It always has for me. I've never changed compiler options when switching between C and CPP files.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
No need to switch settings, see my 2 replies to nananeeth. :)
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Luc Pattyn wrote:
I wish there were an easier way
You can write pure C in a .cpp source file.
It's time for a new signature.
Richard MacCutchan wrote:
You can write pure C in a .cpp source file.
But then your code won't be compiled as C code, in the sense that it is not pure C anymore (you'll be able to declare variables everywhere in a function for instance). If you specify the extension as .c, your file will be compiled as pure C code.
Cédric Moonen Software developer
Charting control [v3.0] OpenGL game tutorial in C++ -
Choose "Empty project". When adding files, specify extension as C (actually extension doesn't matter). Now on the project properties, choose "Compile as C" option.
Best wishes, Navaneeth
N a v a n e e t h wrote:
actually extension doesn't matter
I don't know for the 2010 version, but for the 2005 version, if your file has a c extension, it will be automatically compiled as C code. So, the extension does make a difference.
Cédric Moonen Software developer
Charting control [v3.0] OpenGL game tutorial in C++ -
Richard MacCutchan wrote:
You can write pure C in a .cpp source file.
But then your code won't be compiled as C code, in the sense that it is not pure C anymore (you'll be able to declare variables everywhere in a function for instance). If you specify the extension as .c, your file will be compiled as pure C code.
Cédric Moonen Software developer
Charting control [v3.0] OpenGL game tutorial in C++ -
Cedric Moonen wrote:
If you specify the extension as .c, your file will be compiled as pure C code.
If you really like to be a dinosaur :laugh:
It's time for a new signature.
Awww... I am a dinosaur then :~ I had to do that for a project a couple of weeks ago. But I have to say that moving from C++ to C is really horrible.
Cédric Moonen Software developer
Charting control [v3.0] OpenGL game tutorial in C++ -
Cedric Moonen wrote:
If you specify the extension as .c, your file will be compiled as pure C code.
If you really like to be a dinosaur :laugh:
It's time for a new signature.
or don't like to carry a big run-time library you don't need, e.g. in embedded systems. :)
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I just discovered Visual Studio 2008 Express Edition applies /TC (i.e. Compile as C code) for a C file inside a C++ project (which has the setting /TP, i.e. Compile as C++ code). So there is no need to change the setting provided the extension is correct. :)
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum
Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.
You are correct. It does automatically. Thanks for pointing that out!
Best wishes, Navaneeth