From 29e5f28a6404b14d9dd2009e573535ce2bbd8db3 Mon Sep 17 00:00:00 2001
From: Yancheng Zheng <103552181+anakinxc@users.noreply.github.com>
Date: Mon, 15 Apr 2024 12:55:59 +0000
Subject: [PATCH] Disable AVX512 for hexl

---
 bazel/patches/hexl.patch | 32 ++++++++++++++++++++++++++++++++
 bazel/repositories.bzl   |  2 ++
 2 files changed, 34 insertions(+)
 create mode 100644 bazel/patches/hexl.patch

diff --git a/bazel/patches/hexl.patch b/bazel/patches/hexl.patch
new file mode 100644
index 00000000..eb7fa533
--- /dev/null
+++ b/bazel/patches/hexl.patch
@@ -0,0 +1,32 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index b0da96f..61bfdd8 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -113,10 +113,10 @@ message(STATUS "CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}")
+ #------------------------------------------------------------------------------
+ # Set AVX flags
+ #------------------------------------------------------------------------------
+-hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512dq.cpp" HEXL_HAS_AVX512DQ)
+-hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512ifma.cpp" HEXL_HAS_AVX512IFMA)
+-hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512vbmi2.cpp" HEXL_HAS_AVX512VBMI2)
+-hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx256.cpp" HEXL_HAS_AVX256)
++# hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512dq.cpp" HEXL_HAS_AVX512DQ)
++# hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512ifma.cpp" HEXL_HAS_AVX512IFMA)
++# hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx512vbmi2.cpp" HEXL_HAS_AVX512VBMI2)
++# hexl_check_compile_flag("${HEXL_CMAKE_PATH}/test-avx256.cpp" HEXL_HAS_AVX256)
+ 
+ # ------------------------------------------------------------------------------
+ # Installation logic...
+diff --git a/hexl/CMakeLists.txt b/hexl/CMakeLists.txt
+index 7c660a0..7e2e1c9 100644
+--- a/hexl/CMakeLists.txt
++++ b/hexl/CMakeLists.txt
+@@ -93,7 +93,7 @@ endif()
+ 
+ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+     target_compile_options(hexl PRIVATE -Wall -Wconversion -Wshadow -pedantic -Wextra
+-        -Wno-unknown-pragmas -march=native -O3 -fomit-frame-pointer
++        -Wno-unknown-pragmas -mavx -O3 -fomit-frame-pointer
+         -Wno-sign-conversion
+         -Wno-implicit-int-conversion
+     )
diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index dcbe5f6c..fcbb92ff 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -173,6 +173,8 @@ def _com_intel_hexl():
         urls = [
             "https://github.com/intel/hexl/archive/refs/tags/v1.2.5.tar.gz",
         ],
+        patch_args = ["-p1"],
+        patches = ["@spulib//bazel:patches/hexl.patch"],
     )
 
 def _com_github_emptoolkit_emp_tool():