MacOSX compile fix.

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

diff --git a/src/support/lyxsum.C b/src/support/lyxsum.C
index d34b2215f3104445a284db62f8543f221311bd44..b9cee3289b50dfb883a751143ae606a0509ff072 100644 (file)
--- a/src/support/lyxsum.C
+++ b/src/support/lyxsum.C
@@ -39,10 +39,16 @@ template struct boost::detail::crc_table_t<32, 0x04C11DB7, true>;
 // not `compatibility' version with caddr_t.
 #define _POSIX_C_SOURCE 199506L
 
-#include <sys/types.h>
-#include <sys/stat.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
 #include <fcntl.h>
-#include <unistd.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 #include <sys/mman.h>
 
 
@@ -97,8 +103,8 @@ unsigned long do_crc(InputIterator first, InputIterator last)
 
 } // namespace
 
-#if HAVE_DECL_ISTREAMBUF_ITERATOR
 using std::ifstream;
+#if HAVE_DECL_ISTREAMBUF_ITERATOR
 using std::istreambuf_iterator;
 
 unsigned long lyx::support::sum(string const & file)