From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../CMakeModules/AddZstdCompilationFlags.cmake     | 79 ++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake

(limited to 'src/zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake')

diff --git a/src/zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake b/src/zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
new file mode 100644
index 000000000..186819885
--- /dev/null
+++ b/src/zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
@@ -0,0 +1,79 @@
+include(CheckCXXCompilerFlag)
+include(CheckCCompilerFlag)
+
+function(EnableCompilerFlag _flag _C _CXX)
+    string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}")
+    string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}")
+    string(REGEX REPLACE "^_+" "" varname "${varname}")
+    string(TOUPPER "${varname}" varname)
+    if (_C)
+        CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname})
+        if (C_FLAG_${varname})
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" PARENT_SCOPE)
+        endif ()
+    endif ()
+    if (_CXX)
+        CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG_${varname})
+        if (CXX_FLAG_${varname})
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
+        endif ()
+    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)
+        # Enable asserts in Debug mode
+        if (CMAKE_BUILD_TYPE MATCHES "Debug")
+            EnableCompilerFlag("-DDEBUGLEVEL=1" true true)
+        endif ()
+    elseif (MSVC) # Add specific compilation flags for Windows Visual
+
+        set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
+        if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION)
+            EnableCompilerFlag("/MP" true true)
+        endif ()
+        
+        # UNICODE SUPPORT
+        EnableCompilerFlag("/D_UNICODE" true true)
+        EnableCompilerFlag("/DUNICODE" true true)
+        # Enable asserts in Debug mode
+        if (CMAKE_BUILD_TYPE MATCHES "Debug")
+            EnableCompilerFlag("/DDEBUGLEVEL=1" true true)
+        endif ()
+    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)
+        if( ${flag_var} )
+            separate_arguments(${flag_var})
+            list(REMOVE_DUPLICATES ${flag_var})
+            string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
+        endif()
+    endforeach ()
+
+    if (MSVC AND ZSTD_USE_STATIC_RUNTIME)
+        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)
+            if ( ${flag_var} )
+                string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
+            endif()
+        endforeach ()
+    endif ()
+
+endmacro()
-- 
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