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Define LONG64 if __SIZEOF_LONG__ indicates 64-bit long

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All modern compilers (GCC>=4.6, Clang>=3.0) define this macro, so we can
use it to detect 64-bit longs without adding to the architecture list.

This change allows me to successfully run a simple X11 window on a
64-bit FreeBSD RISC-V QEMU VM via SSH forwarding. Without this change
I get an error that DISPLAY cannot be opened.

Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
This commit is contained in:
Alex Richardson 2021-06-15 14:25:01 +01:00
parent 9cd746bd0d
commit a0ed054ee2
1 changed files with 5 additions and 1 deletions
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6
include/X11/Xmd.h
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@ -57,7 +57,11 @@ SOFTWARE.
# include <sys/isa_defs.h> /* Solaris: defines _LP64 if necessary */
# endif
# if defined (_LP64) || defined(__LP64__) || \
#if defined(__SIZEOF_LONG__)
# if __SIZEOF_LONG__ == 8
# define LONG64 /* 32/64-bit architecture */
# endif
# elif defined (_LP64) || defined(__LP64__) || \
defined(__alpha) || defined(__alpha__) || \
defined(__ia64__) || defined(ia64) || \
defined(__sparc64__) || \