[reactos] 03/14: [CMAKE] Disable policy CMP0091 and set /MT flag explicitly for Visual Studio generator

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=49000c6471cd79745a36a8...

commit 49000c6471cd79745a36a8cadf33eeebc50ed9a4
Author:     Jérôme Gardou [e-mail]
AuthorDate: Fri Jan 22 12:11:34 2021 +0100
Commit:     Jérôme Gardou [e-mail]
CommitDate: Wed Mar 3 08:34:32 2021 +0100

[CMAKE] Disable policy CMP0091 and set /MT flag explicitly for Visual Studio generator
---
 CMakeLists.txt       | 13 +++++++++++++
 toolchain-msvc.cmake |  1 -
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d090b2f79c0..fcd92b5512a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,13 @@ endif()

include(CMakeDependentOption)

+# CMAKE_CROSSCOMPILING and MSVC_IDE are not set until project() is called, so let's test this instead
+if ((DEFINED CMAKE_TOOLCHAIN_FILE) AND (CMAKE_GENERATOR MATCHES "Visual Studio.*"))
+# Do not use MSVC_RUNTIME_LIBRARY target property. We use our own flags instead
+message(WARNING "Setting policy CMP0091 to OLD behaviour")
+cmake_policy(SET CMP0091 OLD)
+endif()
+
 project(REACTOS)

set(CMAKE_INCLUDE_CURRENT_DIR ON)
@@ -120,6 +127,12 @@ else()
     # Print build type
     message("-- Build Type: ${CMAKE_BUILD_TYPE}")

+    # Always add /MT in VS CMAKE_GENERATOR
+    if (MSVC_IDE)
+        add_compile_options("/MT")
+    endif()
+
+
     # adjust the default behaviour of the FIND_XXX() commands:
     # search headers and libraries in the target environment, search
     # programs in the host environment
diff --git a/toolchain-msvc.cmake b/toolchain-msvc.cmake
index dbb901ae874..2aae2edbdd4 100644
--- a/toolchain-msvc.cmake
+++ b/toolchain-msvc.cmake
@@ -64,7 +64,6 @@ else()
     set(CMAKE_ASM_MASM_FLAGS_INIT "/Cp")
 endif()

-
 set(CMAKE_C_STANDARD_LIBRARIES "" CACHE INTERNAL "")

set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_CURRENT_LIST_DIR}/overrides-msvc.cmake")