(#14396) zstd: fix strange performance issue

* zstd: fix strange performance and scalability issues

* zstd: fix strange performance and scalability issues

Author: toge

recipes/zstd/all/conandata.yml

@@ -35,8 +35,21 @@ sources:
 patches:
   "1.5.2":
     - patch_file: "patches/1.5.2-cmake-remove-asm-except-x86_64.patch"
+    - patch_file: "patches/1.5.0-remove-explicit-standard-setting.patch"
+      patch_description: "fix strange performance and scalability issues"
+      patch_type: "backport"
+      patch_source: "https://github.com/facebook/zstd/pull/3167"
   "1.5.1":
     - patch_file: "patches/1.5.1-cmake-remove-asm-except-x86_64.patch"
+    - patch_file: "patches/1.5.0-remove-explicit-standard-setting.patch"
+      patch_description: "fix strange performance and scalability issues"
+      patch_type: "backport"
+      patch_source: "https://github.com/facebook/zstd/pull/3167"
+  "1.5.0":
+    - patch_file: "patches/1.5.0-remove-explicit-standard-setting.patch"
+      patch_description: "fix strange performance and scalability issues"
+      patch_type: "backport"
+      patch_source: "https://github.com/facebook/zstd/pull/3167"
   "1.4.5":
     - patch_file: "patches/1.4.5-cmake-install-dll.patch"
   "1.3.5":

recipes/zstd/all/patches/1.5.0-remove-explicit-standard-setting.patch

@@ -0,0 +1,21 @@
+diff --git a/a/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake b/b/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
+index e23b9d6..8d04458 100644
+--- a/a/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
++++ b/b/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
+@@ -22,10 +22,12 @@ 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)
++        # It's possible to select the exact standard used for compilation.
++        # It's not necessary, but can be employed for specific purposes.
++        # Note that zstd source code is compatible with both C++98 and above
++        # and C-gnu90 (c90 + long long + variadic macros ) and above
++        # EnableCompilerFlag("-std=c++11" false true) # Set C++ compilation to c++11 standard
++        # EnableCompilerFlag("-std=c99" true false)   # Set C compiation to c99 standard
+         if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND MSVC)
+             # clang-cl normally maps -Wall to -Weverything.
+             EnableCompilerFlag("/clang:-Wall" true true)