[Gd-hackers] compile error - GNU/Linux - "S_IFMT" undeclared

[Dustin Voss]

Can you find out more about S_IFREG? It may be in the header files,  
but #ifdef'd out or something.

On Feb 9, 2008, at 11:45 AM, Danny Milosavljevic wrote:

> Hi,
>
> I just tried to update Gwydion Dylan from SVN on my Gentoo Linux box  
> and
> got this:
>
> ----------------------------------------------------
> gcc -Wall -Wno-unused-variable -I.  -O2 -fno-strict-aliasing -
> D_POSIX_C_SOURCE -I/var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/ 
> work/
> src/d2c/runtime -I/var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/ 
> work/src
> -DGD_PLATFORM_LINUX -D_POSIX_C_SOURCE  -I/var/tmp/portage/dev-lang/
> gwydion-dylan-2.4.99/work/src/common/io -c /var/tmp/portage/dev-lang/
> gwydion-dylan-2.4.99/work/src/common/io/unix-portability.c -o unix-
> portability.o
> /var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/work/src/common/io/ 
> unix-
> portability.c: In function 'io_fd_info':
> /var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/work/src/common/io/ 
> unix-
> portability.c:17: error: 'S_IFMT' undeclared (first use in this  
> function)
> /var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/work/src/common/io/ 
> unix-
> portability.c:17: error: (Each undeclared identifier is reported  
> only once
> /var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/work/src/common/io/ 
> unix-
> portability.c:17: error: for each function it appears in.)
> /var/tmp/portage/dev-lang/gwydion-dylan-2.4.99/work/src/common/io/ 
> unix-
> portability.c:17: error: 'S_IFREG' undeclared (first use in this  
> function)
> make: *** [unix-portability.o] Error 1
> ----------------------------------------------------
>
> If I add
>  #define _XOPEN_SOURCE 500
> to the beginning of "portability.c", it works.
>
> Though: I tried whether it compiles in a standalone C test program and
> there it works fine even without the "#define". Weird...
>
> "gcc -E -dD" log is:
> <http://www.scratchpost.org/patches/dylan_compile_gcc_-E_-dD_log>
>
> cheers,
>   Danny
>
> -- 
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