diff options
| -rwxr-xr-x | configure | 16 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 8 |
2 files changed, 24 insertions, 0 deletions
@@ -1725,6 +1725,19 @@ if test "$cocoa" = "yes"; then sdl=no fi +# Some versions of Mac OS X incorrectly define SIZE_MAX +cat > $TMPC << EOF +#include <stdint.h> +#include <stdio.h> +int main(int argc, char *argv[]) { + return printf("%zu", SIZE_MAX); +} +EOF +have_broken_size_max=no +if ! compile_object -Werror ; then + have_broken_size_max=yes +fi + ########################################## # L2TPV3 probe @@ -5245,6 +5258,9 @@ fi if test "$have_ifaddrs_h" = "yes" ; then echo "HAVE_IFADDRS_H=y" >> $config_host_mak fi +if test "$have_broken_size_max" = "yes" ; then + echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak +fi # Work around a system header bug with some kernel/XFS header # versions where they both try to define 'struct fsxattr': diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 384bfe245f..0e3c330e6b 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -141,6 +141,14 @@ extern int daemon(int, int); # error Unknown pointer size #endif +/* Mac OSX has a <stdint.h> bug that incorrectly defines SIZE_MAX with + * the wrong type. Our replacement isn't usable in preprocessor + * expressions, but it is sufficient for our needs. */ +#if defined(HAVE_BROKEN_SIZE_MAX) && HAVE_BROKEN_SIZE_MAX +#undef SIZE_MAX +#define SIZE_MAX ((size_t)-1) +#endif + #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif |