CMake: namespace modules and set CMAKE_MODULE_PATH

2025-08-01 09:47:01 +03:00 · 2017-04-20 15:46:44 -07:00
parent 1a96bec8db
commit 7f1fb95566
5 changed files with 10 additions and 9 deletions
--- a/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
+++ b/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
@ -0,0 +1,98 @@
+include(CheckCXXCompilerFlag)
+include(CheckCCompilerFlag)
+
+function(EnableCompilerFlag _flag _C _CXX)
+    message("Checking flag ${_flag}")
+    if (_C)
+        CHECK_C_COMPILER_FLAG(${_flag} C_FLAG)
+        if (C_FLAG)
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" CACHE INTERNAL "C Flags")
+        endif ()
+        unset(C_FLAG CACHE)
+    endif ()
+    if (_CXX)
+        CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG)
+        if (CXX_FLAG)
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" CACHE INTERNAL "CXX Flags")
+        endif ()
+        unset(CXX_FLAG CACHE)
+    endif ()
+endfunction()
+
+MACRO(ADD_ZSTD_COMPILATION_FLAGS)
+    if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" OR MINGW) #Not only UNIX but also WIN32 for MinGW
+        #Set c++11 by default
+        EnableCompilerFlag("-std=c++11" false true)
+        #Set c99 by default
+        EnableCompilerFlag("-std=c99" true false)
+        EnableCompilerFlag("-Wall" true true)
+        EnableCompilerFlag("-Wextra" true true)
+        EnableCompilerFlag("-Wundef" true true)
+        EnableCompilerFlag("-Wshadow" true true)
+        EnableCompilerFlag("-Wcast-align" true true)
+        EnableCompilerFlag("-Wcast-qual" true true)
+        EnableCompilerFlag("-Wstrict-prototypes" true false)
+    elseif (MSVC) # Add specific compilation flags for Windows Visual
+        EnableCompilerFlag("/Wall" true true)
+
+        # Only for DEBUG version
+        EnableCompilerFlag("/RTC1" true true)
+        EnableCompilerFlag("/Zc:forScope" true true)
+        EnableCompilerFlag("/Gd" true true)
+        EnableCompilerFlag("/analyze:stacksize25000" true true)
+
+        if (MSVC80 OR MSVC90 OR MSVC10 OR MSVC11)
+            # To avoid compiler warning (level 4) C4571, compile with /EHa if you still want
+            # your catch(...) blocks to catch structured exceptions.
+            EnableCompilerFlag("/EHa" false true)
+        endif (MSVC80 OR MSVC90 OR MSVC10 OR MSVC11)
+
+        set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
+        if (ACTIVATE_MULTITHREADED_COMPILATION)
+            EnableCompilerFlag("/MP" true true)
+        endif ()
+
+        #For exceptions
+        EnableCompilerFlag("/EHsc" true true)
+        
+        # UNICODE SUPPORT
+        EnableCompilerFlag("/D_UNICODE" true true)
+        EnableCompilerFlag("/DUNICODE" true true)
+    endif ()
+
+    # Remove duplicates compilation flags
+    FOREACH (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+             CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
+             CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
+             CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+        separate_arguments(${flag_var})
+        list(REMOVE_DUPLICATES ${flag_var})
+        string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
+        set(${flag_var} "${${flag_var}}" CACHE STRING "common build flags" FORCE)
+    ENDFOREACH (flag_var)  
+
+    if (MSVC)
+        # Replace /MT to /MD flag
+        # Replace /O2 to /O3 flag
+        FOREACH (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
+                 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
+                 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+            STRING(REGEX REPLACE "/MT" "/MD" ${flag_var} "${${flag_var}}")
+            STRING(REGEX REPLACE "/O2" "/Ox" ${flag_var} "${${flag_var}}")
+        ENDFOREACH (flag_var)      
+    endif ()
+
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE)
+
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE)
+    set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE)
+
+ENDMACRO(ADD_ZSTD_COMPILATION_FLAGS)