From 43179d6ea0e80903bb44b4bd7a8bf9d31f2de0a1 Mon Sep 17 00:00:00 2001
From: winsoft666 <winsoft666@outlook.com>
Date: Fri, 30 Jul 2021 17:50:02 +0800
Subject: [PATCH] Add USE_STATIC_CRT option to support static CRT(/MT).

---
 3rdparty/gtest/CMakeLists.txt | 14 ++++++++++++++
 CMakeLists.txt                |  6 ++++++
 demo/chat/CMakeLists.txt      | 14 ++++++++++++++
 demo/msg_que/CMakeLists.txt   | 14 ++++++++++++++
 src/CMakeLists.txt            | 14 ++++++++++++++
 test/CMakeLists.txt           | 14 ++++++++++++++
 6 files changed, 76 insertions(+)

diff --git a/3rdparty/gtest/CMakeLists.txt b/3rdparty/gtest/CMakeLists.txt
index 77f0b58..68de47c 100644
--- a/3rdparty/gtest/CMakeLists.txt
+++ b/3rdparty/gtest/CMakeLists.txt
@@ -25,6 +25,20 @@ option(
   gtest_hide_internal_symbols
   "Build gtest with internal symbols hidden in shared libraries."
   OFF)
+  
+if (MSVC AND USE_STATIC_CRT)
+    set(CompilerFlags
+        CMAKE_CXX_FLAGS
+        CMAKE_CXX_FLAGS_DEBUG
+        CMAKE_CXX_FLAGS_RELEASE
+        CMAKE_C_FLAGS
+        CMAKE_C_FLAGS_DEBUG
+        CMAKE_C_FLAGS_RELEASE
+        )
+    foreach(CompilerFlag ${CompilerFlags})
+        string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
 
 # Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
 include(cmake/hermetic_build.cmake OPTIONAL)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 677f495..5399a90 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,7 @@ project(cpp-ipc)
 
 option(LIBIPC_BUILD_TESTS "Build all of libipc's own tests." OFF)
 option(LIBIPC_BUILD_DEMOS "Build all of libipc's own demos." OFF)
+option(USE_STATIC_CRT "Set to ON to build with static CRT on Windows (/MT)." OFF)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_CXX_STANDARD 17)
@@ -13,8 +14,13 @@ endif()
 
 set(LIBRARY_OUTPUT_PATH    ${CMAKE_BINARY_DIR}/bin)
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
+
 set(LIBIPC_PROJECT_DIR     ${PROJECT_SOURCE_DIR})
 
+
+# Unicode Support
+add_definitions(-DUNICODE -D_UNICODE)
+
 add_subdirectory(src)
 
 if (LIBIPC_BUILD_TESTS)
diff --git a/demo/chat/CMakeLists.txt b/demo/chat/CMakeLists.txt
index c5bcea8..77850c9 100755
--- a/demo/chat/CMakeLists.txt
+++ b/demo/chat/CMakeLists.txt
@@ -1,5 +1,19 @@
 project(chat)
 
+if (MSVC AND USE_STATIC_CRT)
+    set(CompilerFlags
+        CMAKE_CXX_FLAGS
+        CMAKE_CXX_FLAGS_DEBUG
+        CMAKE_CXX_FLAGS_RELEASE
+        CMAKE_C_FLAGS
+        CMAKE_C_FLAGS_DEBUG
+        CMAKE_C_FLAGS_RELEASE
+        )
+    foreach(CompilerFlag ${CompilerFlags})
+        string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
+
 file(GLOB SRC_FILES ./*.cpp)
 file(GLOB HEAD_FILES ./*.h)
 
diff --git a/demo/msg_que/CMakeLists.txt b/demo/msg_que/CMakeLists.txt
index da0de71..65ce4d3 100755
--- a/demo/msg_que/CMakeLists.txt
+++ b/demo/msg_que/CMakeLists.txt
@@ -1,5 +1,19 @@
 project(msg_que)
 
+if (MSVC AND USE_STATIC_CRT)
+    set(CompilerFlags
+        CMAKE_CXX_FLAGS
+        CMAKE_CXX_FLAGS_DEBUG
+        CMAKE_CXX_FLAGS_RELEASE
+        CMAKE_C_FLAGS
+        CMAKE_C_FLAGS_DEBUG
+        CMAKE_C_FLAGS_RELEASE
+        )
+    foreach(CompilerFlag ${CompilerFlags})
+        string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
+
 include_directories(
     ${LIBIPC_PROJECT_DIR}/3rdparty)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 48ee436..fa12df1 100755
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,6 +2,20 @@ project(ipc)
 
 option(LIBIPC_BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
 
+if (MSVC AND USE_STATIC_CRT)
+    set(CompilerFlags
+        CMAKE_CXX_FLAGS
+        CMAKE_CXX_FLAGS_DEBUG
+        CMAKE_CXX_FLAGS_RELEASE
+        CMAKE_C_FLAGS
+        CMAKE_C_FLAGS_DEBUG
+        CMAKE_C_FLAGS_RELEASE
+        )
+    foreach(CompilerFlag ${CompilerFlags})
+        string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
+
 if(UNIX)
   file(GLOB SRC_FILES ${LIBIPC_PROJECT_DIR}/src/libipc/platform/*_linux.cpp)
 else()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 4b695eb..6be27af 100755
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,5 +1,19 @@
 project(test-ipc)
 
+if (MSVC AND USE_STATIC_CRT)
+    set(CompilerFlags
+        CMAKE_CXX_FLAGS
+        CMAKE_CXX_FLAGS_DEBUG
+        CMAKE_CXX_FLAGS_RELEASE
+        CMAKE_C_FLAGS
+        CMAKE_C_FLAGS_DEBUG
+        CMAKE_C_FLAGS_RELEASE
+        )
+    foreach(CompilerFlag ${CompilerFlags})
+        string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
+
 if(NOT MSVC)
   add_compile_options(
     -Wno-attributes