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Fix segfault if building on macOS 12+ with deployment target <=11 #28

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Fix segfault if building on macOS 12+ with deployment target <=11 #28

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7 changes: 4 additions & 3 deletions libserialport_internal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -93,9 +93,10 @@
#include <IOKit/serial/ioss.h>
#include <sys/syslimits.h>
#include <mach/mach_time.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED < 120000 /* Before macOS 12 */
#define kIOMainPortDefault kIOMasterPortDefault
#endif
/* kIOMainPortDefault (kIOMasterPortDefault <= macOS 11) is a
* synonym for NULL. Fixes segfault when building on macOS 12+
* with an older macOS deployment target. */
#define kIOMainPortDefault 0
#endif
#ifdef __linux__
#include <dirent.h>
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