From dae01d056d433ab9b0aa6dd95bd73655345c4b8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Ch=C3=A9ron?= <olivier.cheron@gmail.com>
Date: Fri, 6 Mar 2020 06:43:32 +0100
Subject: [PATCH] AES-NI with per-file target compiler options

---
 cbits/aes/x86ni.c | 7 +++++++
 cryptonite.cabal  | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/cbits/aes/x86ni.c b/cbits/aes/x86ni.c
index 590a897..f51b32d 100644
--- a/cbits/aes/x86ni.c
+++ b/cbits/aes/x86ni.c
@@ -30,6 +30,10 @@
 
 #ifdef WITH_AESNI
 
+#pragma GCC push_options
+#pragma GCC target("ssse3", "aes")
+#pragma clang attribute push (__attribute__((target("ssse3,aes"))), apply_to=function)
+
 #include <wmmintrin.h>
 #include <tmmintrin.h>
 #include <string.h>
@@ -400,4 +404,7 @@ static inline __m128i ghash_add(__m128i tag, const table_4bit htable, __m128i m)
 
 #endif
 
+#pragma clang attribute pop
+#pragma GCC pop_options
+
 #endif
diff --git a/cryptonite.cabal b/cryptonite.cabal
index 68cb78f..d0c51db 100644
--- a/cryptonite.cabal
+++ b/cryptonite.cabal
@@ -336,7 +336,7 @@ Library
     c-sources:      cbits/cryptonite_rdrand.c
 
   if flag(support_aesni) && (os(linux) || os(freebsd) || os(osx)) && (arch(i386) || arch(x86_64))
-    CC-options:     -mssse3 -maes -DWITH_AESNI
+    CC-options:     -DWITH_AESNI
     if flag(support_pclmuldq)
        CC-options:  -msse4.1 -mpclmul -DWITH_PCLMUL
     C-sources:       cbits/aes/x86ni.c