diff -u /home/felipe/dev/atmel/avr-gcc/PKGBUILD\~ /home/felipe/dev/atmel/avr-gcc/PKGBUILD
--- /home/felipe/dev/atmel/avr-gcc/PKGBUILD~	2017-09-11 15:53:09.000000000 -0300
+++ /home/felipe/dev/atmel/avr-gcc/PKGBUILD	2017-11-01 15:30:20.788145109 -0200
@@ -91,7 +91,16 @@
                 --with-plugin-ld=ld.gold \
                 --with-system-zlib \
                 --with-isl \
-                --enable-gnu-indirect-function
+                --enable-gnu-indirect-function \
+                --enable-libstdcxx \
+                --enable-cxx-flags='-fno-exceptions -fno-rtti' \
+                --disable-libstdcxx-verbose \
+                --disable-vtable-verify \
+                --disable-libstdcxx-time \
+                --disable-libstdcxx-threads \
+                --disable-threads \
+                --enable-libstdcxx-allocator=malloc \
+                --disable-libstdcxx-filesystem-ts
 
     make
 }
@@ -111,5 +120,6 @@
 
     rm -r ${pkgdir}/usr/share/man/man7
     rm -r ${pkgdir}/usr/share/info
+    rm -r ${pkgdir}/usr/share/gcc-7.2.0
     rm ${pkgdir}/usr/lib/libcc1.*
 }

Diff finished.  Fri Nov 10 11:09:45 2017