gentoo-overlay/net-misc/rsync/files/rsync-3.2.0_pre3-simd_check.patch

https://github.com/WayneD/rsync/issues/19

--- rsync-3.2.0pre3/configure.ac	2020-06-17 19:12:09.000000000 +0200
+++ rsync-3.2.0pre3/configure.ac	2020-06-17 19:12:09.000000000 +0200
@@ -202,7 +202,7 @@
 if test x"$enable_simd" = x"yes"; then
     # For x86-64 SIMD, g++ is also required
     if test x"$build_cpu" = x"x86_64"; then
-	if test x"$CXX" = x"g++"; then
+	if echo "$CXX" | grep -q 'g++$'; then
 	    # AC_MSG_RESULT() called below
 	    SIMD="$SIMD x86_64"
 	else
--- rsync-3.2.0pre3/configure.sh	2020-06-17 19:12:09.000000000 +0200
+++ rsync-3.2.0pre3/configure.sh	2020-06-17 19:12:09.000000000 +0200
@@ -4842,7 +4842,7 @@
 if test x"$enable_simd" = x"yes"; then
     # For x86-64 SIMD, g++ is also required
     if test x"$build_cpu" = x"x86_64"; then
-	if test x"$CXX" = x"g++"; then
+	if echo "$CXX" | grep -q 'g++$'; then
 	    # AC_MSG_RESULT() called below
 	    SIMD="$SIMD x86_64"
 	else