if( HAVE_SYS_UIO_H )
check_symbol_exists(writev sys/uio.h HAVE_WRITEV)
endif()
+set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE")
+check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64)
+set(CMAKE_REQUIRED_DEFINITIONS "")
check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(malloc_zone_statistics malloc/malloc.h
/* Define to 1 if you have the <link.h> header file. */
#cmakedefine HAVE_LINK_H ${HAVE_LINK_H}
+/* Define to 1 if you have the `lseek64' function. */
+#cmakedefine HAVE_LSEEK64 ${HAVE_LSEEK64}
+
/* Define to 1 if you have the <mach/mach.h> header file. */
#cmakedefine HAVE_MACH_MACH_H ${HAVE_MACH_MACH_H}
uint64_t raw_fd_ostream::seek(uint64_t off) {
assert(SupportsSeeking && "Stream does not support seeking!");
flush();
+#ifdef LLVM_ON_WIN32
+ pos = ::_lseeki64(FD, off, SEEK_SET);
+#elif defined(HAVE_LSEEK64)
+ pos = ::lseek64(FD, off, SEEK_SET);
+#else
pos = ::lseek(FD, off, SEEK_SET);
+#endif
if (pos == (uint64_t)-1)
error_detected();
return pos;