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Re: Cannot use zlib with Mingw
- From: Christopher Faylor <cgf-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Sun, 29 Dec 2002 17:47:37 -0500
- Subject: Re: Cannot use zlib with Mingw
- References: <3E00A2010000CAD1@mail-8.tiscalinet.it>
- Reply-to: cygwin at cygwin dot com
On Sat, Dec 28, 2002 at 09:25:27PM +0100, firstname.lastname@example.org wrote:
>I was trying to compile a program which uses zlib with Mingw (i.e. with
>the flag -mno-cygwin) but the compilation failed because zlib.h could not
>be found. No problems with standard Cygwin compilation.
>Probably, if -mno-cygwin is used, only the directory /usr/include/mingw
>is searched, /usr/include is not. Well, the flag -I/usr/include could be
>added, but I am afraid some header files could conflict.
>To reproduce the problem: type this simple file
>and compile it with
>gcc -c -mno-cygwin <filename>.c
>The error is "zlib.h: No such file or directory". No problems at all if
>gcc -c <filename>.c
>Is there a way to get round this problem?
zlib.h is part of cygwin. Of course it can't be found if you say
-mno-cygwin. It seems like many people assume that -mno-cygwin is some
magical way to get all of cygwin's functionality without the use of the
cygwin dll. It isn't. The libraries in /usr/lib and the include files
in /usr/include are cygwin files. The files in /usr/lib/mingw and
/usr/include/mingw are provided for base mingw support. If you need
more or have more detailed mingw questions, then the mingw mailing list
is the place to go.
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