# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1550312239 -3600
# Node ID ae68bf751187e3266eb787e943d3b2fb294937ab
# Parent  8b091a51b1b9fe050ae0eef675679c2a0ca40ec7
increasing heap size of visual studio 2015

diff -r 8b091a51b1b9 -r ae68bf751187 Resources/CMake/Compiler.cmake
--- a/Resources/CMake/Compiler.cmake	Sat Feb 16 10:29:51 2019 +0100
+++ b/Resources/CMake/Compiler.cmake	Sat Feb 16 11:17:19 2019 +0100
@@ -36,8 +36,14 @@
     string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}")
   endforeach(flag_var)
 
-  # Add /Zm256 compiler option to Visual Studio to fix PCH errors
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256")
+  if (BOOST_LOCALE_BACKEND STREQUAL "icu")
+    # If compiling icu, the heap space must be further increased:
+    # "icudt58l_dat.c(1638339): fatal error C1060: compiler is out of heap space"
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm512")
+  else()
+    # Add /Zm256 compiler option to Visual Studio to fix PCH errors
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256")
+  endif()
 
   add_definitions(
     -D_CRT_SECURE_NO_WARNINGS=1