app-crypt/argon2: Enable optimizations only if SSE2 is enabled

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/app-crypt/argon2/argon2-20190702.ebuild b/app-crypt/argon2/argon2-20190702.ebuild
index 8681475dd803994740648578f9fab54519fe8656..dca7161761bf1ff672d9b9ee015c79e8aa0e6de3 100644 (file)
--- a/app-crypt/argon2/argon2-20190702.ebuild
+++ b/app-crypt/argon2/argon2-20190702.ebuild
@@ -31,10 +31,15 @@ src_prepare() {
 
        tc-export CC
 
+       OPTTEST=1
        if use amd64 || use x86; then
-               OPTTEST=0
-       else
-               OPTTEST=1
+               $(tc-getCPP) ${CFLAGS} ${CPPFLAGS} -P - <<-EOF &>/dev/null && OPTTEST=0
+                       #if defined(__SSE2__)
+                       true
+                       #else
+                       #error false
+                       #endif
+               EOF
        fi
 }