[x265] [PATCH v2 3/3] AArch64: Compile intrinsics files with -Werror

[Hari Limaye]

Add an option to build with -Werror when compiling AArch64 intrinsics
files to ensure that code is free from compiler warnings. The option is
OFF by default.
---
 source/CMakeLists.txt        | 2 ++
 source/common/CMakeLists.txt | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index e509c6473..3c0c6d167 100755
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -85,6 +85,8 @@ elseif(ARM64MATCH GREATER "-1")
     message(STATUS "Detected ARM64 target processor")
     set(ARM64 1)
 
+    option(AARCH64_WARNINGS_AS_ERRORS "Build with -Werror for AArch64 Intrinsics files" OFF)
+
     # Options for cross compiling AArch64 optional extensions
     option(CROSS_COMPILE_SVE "Cross Compile for SVE Target" OFF)
     option(CROSS_COMPILE_SVE2 "Cross Compile for SVE2 Target" OFF)
diff --git a/source/common/CMakeLists.txt b/source/common/CMakeLists.txt
index 47b23bcd2..b70de654b 100644
--- a/source/common/CMakeLists.txt
+++ b/source/common/CMakeLists.txt
@@ -136,6 +136,10 @@ if(ENABLE_ASSEMBLY AND (ARM64 OR CROSS_COMPILE_ARM64))
     endif()
 
     source_group(Assembly FILES ${ASM_PRIMITIVES})
+
+    if(AARCH64_WARNINGS_AS_ERRORS)
+        set_source_files_properties(${ASM_PRIMITIVES} PROPERTIES COMPILE_FLAGS -Werror)
+    endif()
 endif(ENABLE_ASSEMBLY AND (ARM64 OR CROSS_COMPILE_ARM64))
 
 if(POWER)
-- 
2.42.1

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