fix warning on possibly(?) unused precompiled headers due to different -fPic settings...

[lyx.git] / src / support / lyxsum.cpp

diff --git a/src/support/lyxsum.cpp b/src/support/lyxsum.cpp
index a1e83fe6feebf9c236c930af39e496b1e9e76438..568f7e78eeda1cfde3123f4cf76ef3d496424fbc 100644 (file)
--- a/src/support/lyxsum.cpp
+++ b/src/support/lyxsum.cpp
@@ -39,10 +39,6 @@ template struct boost::detail::crc_table_t<32, 0x04C11DB7, true>;
 // are available. Order is faster to slowest.
 #if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
 
-// Make sure we get modern version of mmap and friends with void*,
-// not `compatibility' version with caddr_t.
-#define _POSIX_C_SOURCE 199506L
-
 #ifdef HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif