Hello,
in src/m4.h I found, that the test for _POSIX_VERSION should only be
made, after unistd.h has been included. Otherwise the test should be
omitted, as _POSIX_VERSION gets #defined in <unistd.h>.
#include <config.h>
+ /* _POSIX_VERSION is #defined in unistd.h */
+ #if HAVE_UNISTD_H
+ #include <unistd.h>
+ #endif
/* Canonicalize UNIX recognition macros. */
#if defined unix || defined __unix || defined __unix__ \
|| defined _POSIX_VERSION || defined _POSIX2_VERSION \
|| defined __NetBSD__ || defined __OpenBSD__ \
|| defined __APPLE__ || defined __APPLE_CC__
# define UNIX 1
#endif
Martin
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