[reactos] 04/07: [CMAKE] Also set GCC/CLANG variables on amd64 builds

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=76a241dea6905f242c075…

commit 76a241dea6905f242c0758cbc6b1121356fdb0bd
Author:     Jérôme Gardou <jerome.gardou(a)reactos.org>
AuthorDate: Fri Apr 9 12:35:30 2021 +0200
Commit:     Jérôme Gardou <jerome.gardou(a)reactos.org>
CommitDate: Fri Apr 9 12:35:30 2021 +0200

    [CMAKE] Also set GCC/CLANG variables on amd64 builds
---
 sdk/cmake/config-amd64.cmake | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/sdk/cmake/config-amd64.cmake b/sdk/cmake/config-amd64.cmake
index 110a0f218af..01ef763c719 100644
--- a/sdk/cmake/config-amd64.cmake
+++ b/sdk/cmake/config-amd64.cmake
@@ -44,3 +44,22 @@ set(_PREFAST_ FALSE CACHE BOOL
     cmake_dependent_option(RUNTIME_CHECKS "Whether to enable runtime checks on
MSVC" ON
                            "CMAKE_BUILD_TYPE STREQUAL Debug" OFF)
 endif()
+
+if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    set(GCC TRUE CACHE BOOL "The compiler is GCC")
+    set(CLANG FALSE CACHE BOOL "The compiler is LLVM Clang")
+elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    # We can use LLVM Clang mimicking CL or GCC. Account for this
+    if (MSVC)
+        set(GCC FALSE CACHE BOOL "The compiler is GCC")
+    else()
+        set(GCC TRUE CACHE BOOL "The compiler is GCC")
+    endif()
+    set(CLANG TRUE CACHE BOOL "The compiler is LLVM Clang")
+elseif(MSVC) # aka CMAKE_C_COMPILER_ID STEQUAL "MSVC"
+    set(GCC FALSE CACHE BOOL "The compiler is GCC")
+    set(CLANG FALSE CACHE BOOL "The compiler is LLVM Clang")
+    # MSVC variable is already set by cmake
+else()
+    message("WARNING: the compiler has not been recognized")
+endif()