From c0f74e4c8918c940fe148766ff1faddfff6d65b0 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Sun, 21 Oct 2018 20:24:55 +0200
Subject: [PATCH] Add BOOST_IOSTREAMS_DYN_LINK to compile defs

if linking dynamically against Boost.Iostreams
---
 CMakeLists.txt               | 1 +
 cmake/modules/3rdParty.cmake | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45bc39e..ac5c9d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,6 +164,7 @@ if(USE_NATIVE_FILE_BUFFER)
         )
     else()
         message(STATUS "Using boost::iostreams::stream_buffer<boost::iostreams::file_descriptor_sink> for NativeFileStream")
+        set(boost_iostreams_DYNAMIC_COMPILE_DEFINITIONS BOOST_IOSTREAMS_DYN_LINK)
         use_external_library(boost_iostreams AUTO_LINKAGE REQUIRED)
         set_property(
             SOURCE io/nativefilestream.cpp
diff --git a/cmake/modules/3rdParty.cmake b/cmake/modules/3rdParty.cmake
index 39c7eae..b64bdb5 100644
--- a/cmake/modules/3rdParty.cmake
+++ b/cmake/modules/3rdParty.cmake
@@ -57,6 +57,9 @@ macro(link_against_library_varnames NAME LINKAGE REQUIRED PRIVATE_LIBRARIES_VARN
             list(APPEND ADDITIONAL_STATIC_INCLUDE_DIRS ${${NAME}_STATIC_INCLUDE_DIR})
             message(STATUS "Adding include path for ${NAME} to ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_STATIC_INCLUDE_DIR}")
         endif()
+        if(${NAME}_STATIC_COMPILE_DEFINITIONS)
+            list(APPEND META_PRIVATE_STATIC_LIB_COMPILE_DEFINITIONS ${${NAME}_STATIC_COMPILE_DEFINITIONS})
+        endif()
 
         if(${${NAME}_STATIC_LIB} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_STATIC_LIB_DEPENDS)
             list(APPEND ${PUBLIC_LIBRARIES_VARNAME} ${${NAME}_STATIC_LIB})
@@ -88,6 +91,9 @@ macro(link_against_library_varnames NAME LINKAGE REQUIRED PRIVATE_LIBRARIES_VARN
             list(APPEND ADDITIONAL_SHARED_INCLUDE_DIRS ${${NAME}_DYNAMIC_INCLUDE_DIR})
             message(STATUS "Adding include path for ${NAME} to ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}: ${${NAME}_DYNAMIC_INCLUDE_DIR}")
         endif()
+        if(${NAME}_DYNAMIC_COMPILE_DEFINITIONS)
+            list(APPEND META_PRIVATE_SHARED_LIB_COMPILE_DEFINITIONS ${${NAME}_DYNAMIC_COMPILE_DEFINITIONS})
+        endif()
 
         if(${${NAME}_DYNAMIC_LIB} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS OR ${NAME} IN_LIST META_PUBLIC_SHARED_LIB_DEPENDS)
             list(APPEND ${PUBLIC_LIBRARIES_VARNAME} ${${NAME}_DYNAMIC_LIB})