X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fboost.cpp;h=646d4e4dfb3960c48e6ad6bf1be816fbba611a2d;hb=89d9334e03c311a4a7585f40ad81880304d174d4;hp=ce1fb27abdc8d1ecc99a08626b5aa7e646c67bc5;hpb=09130d7a6220267c78f371fb4603b843b9fd5232;p=lyx.git

diff --git a/src/boost.cpp b/src/boost.cpp
index ce1fb27abd..646d4e4dfb 100644
--- a/src/boost.cpp
+++ b/src/boost.cpp
@@ -18,6 +18,7 @@
 
 #include <exception>
 #include <iomanip>
+#include <ostream>
 
 using namespace std;
 using lyx::lyxerr;