Windows: Don't set -Wall when compiling with Visual Studio.

As it enables a lot of spammed warnings that are not part of W4. This
reduces the warnings a lot when compiling LibreSSL in CLion for me.

1 files changed, 2 insertions, 2 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b8c1aa..3f8cbb4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,8 +94,6 @@ if(WIN32)
         endif()
 endif()
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
-
 if(CMAKE_SYSTEM_NAME MATCHES "HP-UX")
         if(CMAKE_C_COMPILER MATCHES "gcc")
                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
@@ -184,6 +182,8 @@ if(MSVC)
                 ${MSVC_DISABLED_WARNINGS_LIST})
         string(REGEX REPLACE "[/-]W[1234][ ]?" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MP -W4 ${MSVC_DISABLED_WARNINGS_STR}")
+else()
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
 endif()
 
 check_function_exists(asprintf HAVE_ASPRINTF)