On Wed, 12 Oct 2005, COTA Jean-Christophe wrote:
I have the following error while compiling my app:
/usr/lib/gcc-lib/i386-redhat-linux/3.2.3/include/stddef.h:325: conflicting types for `wchar_t' /usr/include/X11/Xlib.h:78: previous declaration of `wchar_t'
My compiler:
$ gcc -v Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.3/specs Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux Thread model: posix gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-52)
I have the same error with GNU GCC 3.3.2
My Xfree:
$ rpm -qf /usr/include/X11/Xlib.h XFree86-devel-4.3.0-81.EL
My Linux:
$ uname -a Linux kenobi 2.4.21-32.0.1.ELsmp #1 SMP Tue May 17 17:52:23 EDT 2005 i686 i686 i386 GNU/Linux
I have well read in Xlib.h
#ifndef X_WCHAR #include <stddef.h> #else #ifdef __UNIXOS2__ #include <stdlib.h> #else /* replace this with #include or typedef appropriate for your system */ typedef unsigned long wchar_t; #endif #endif
However, I am very reluctant in modifying a delivered include file. Since the appearance of the problem (I have read cases dated before 2000 !), is there any cleaner way available ?
Something is causing X_WCHAR to be #define'd, when it shouldn't be. This would imply that Xosdefs.h is #define'ing X_NOT_STDC_ENV, which in turn would seem to imply that either your app or your compiler is incorrectly #define'ing SYSV on this platform.
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