Index: PKGBUILD
===================================================================
--- PKGBUILD	(revision 821000)
+++ PKGBUILD	(working copy)
@@ -3,6 +3,9 @@
 # Contributor: Martin Schmölzer <mschmoelzer@gmail.com>
 _target=riscv64-elf
+
+_enable_ada=yes
+
 pkgname=$_target-gcc
 pkgver=10.2.0
 _islver=0.22
@@ -13,7 +16,8 @@
 url='https://gcc.gnu.org/'
 license=(GPL LGPL FDL)
 depends=($_target-binutils zlib libmpc)
-makedepends=(gmp mpfr $_target-newlib)
+makedepends=(gmp mpfr $_target-newlib
+             $([[ "$_enable_ada" == "yes" ]] && echo "gcc-ada"))
 optdepends=("$_target-newlib: Standard C library optimized for embedded systems")
 options=(!emptydirs !strip)
 source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig}
@@ -46,6 +50,12 @@
 }
 build() {
+
+  local _languages="c,c++"
+  if [ "$_enable_ada" == "yes" ]; then
+    _languages+=",ada"
+  fi
+    
   cd build-gcc
   export CFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections'
@@ -57,7 +67,7 @@
     --with-sysroot=/usr/$_target \
     --with-native-system-header-dir=/include \
     --libexecdir=/usr/lib \
-    --enable-languages=c,c++ \
+    --enable-languages=${_languages} \
     --enable-threads=single \
     --enable-plugins \
     --enable-multilib \
@@ -72,6 +82,7 @@
     --disable-nls \
     --disable-shared \
     --disable-tls \
+    --disable-libada \
     --with-newlib \
     --with-gnu-as \
     --with-gnu-ld \
@@ -88,6 +99,11 @@
     --with-bugurl='https://bugs.archlinux.org/'
   make
+
+  if [[ "${_languages}" == *ada* ]]; then
+    make -C gcc cross-gnattools
+    make -C gcc ada.all.cross
+  fi
 }
 package() {