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--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -97,7 +97,7 @@
# include <sys/mman.h>
#endif
-#if SQLITE_ENABLE_LOCKING_STYLE || OS_VXWORKS
+#if SQLITE_ENABLE_LOCKING_STYLE || OS_VXWORKS || defined(__GNU__)
# include <sys/ioctl.h>
# if OS_VXWORKS
# include <semaphore.h>
@@ -2214,7 +2214,7 @@
** Omit this section if SQLITE_ENABLE_LOCKING_STYLE is turned off or if
** compiling for VXWORKS.
*/
-#if SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORKS
+#if (SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORKS) || defined(__GNU__)
/*
** Retry flock() calls that fail with EINTR
@@ -4992,7 +4992,7 @@
dotlockCheckReservedLock /* xCheckReservedLock method */
)
-#if SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORKS
+#if (SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORKS) || defined(__GNU__)
IOMETHODS(
flockIoFinder, /* Finder function name */
flockIoMethods, /* sqlite3_io_methods object name */
@@ -7455,6 +7455,8 @@
static sqlite3_vfs aVfs[] = {
#if SQLITE_ENABLE_LOCKING_STYLE && (OS_VXWORKS || defined(__APPLE__))
UNIXVFS("unix", autolockIoFinder ),
+#elif defined(__GNU__)
+ UNIXVFS("unix", flockIoFinder ),
#else
UNIXVFS("unix", posixIoFinder ),
#endif
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