diff --git a/libphobos/configure b/libphobos/configure
index 17b26565505..9da06f087d0 100755
--- a/libphobos/configure
+++ b/libphobos/configure
@@ -15475,18 +15475,6 @@ $as_echo_n "checking for host support for libphobos... " >&6; }
 . ${srcdir}/configure.tgt
 case ${host} in
   x86_64-*-solaris2.* | i?86-*-solaris2.*)
-    # libphobos doesn't compile with the Solaris/x86 assembler due to a
-    # relatively low linelength limit.
-    as_prog=`$CC -print-prog-name=as`
-    if test -n "$as_prog" && $as_prog -v /dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
-      druntime_cv_use_gas=yes;
-    else
-      druntime_cv_use_gas=no;
-    fi
-    rm -f a.out
-    if test x$druntime_cv_use_gas = xno; then
-      LIBPHOBOS_SUPPORTED=no
-    fi
     # 64-bit D execution fails with Solaris ld without -z relax=transtls support.
     if test "$druntime_ld_gld" = "no" && test "$druntime_ld_relax_transtls" = "no"; then
       LIBPHOBOS_SUPPORTED=no
diff --git a/libphobos/configure.ac b/libphobos/configure.ac
index 47e2fa9a6f5..31209ba2920 100644
--- a/libphobos/configure.ac
+++ b/libphobos/configure.ac
@@ -189,18 +189,6 @@ AC_MSG_CHECKING([for host support for libphobos])
 . ${srcdir}/configure.tgt
 case ${host} in
   x86_64-*-solaris2.* | i?86-*-solaris2.*)
-    # libphobos doesn't compile with the Solaris/x86 assembler due to a
-    # relatively low linelength limit.
-    as_prog=`$CC -print-prog-name=as`
-    if test -n "$as_prog" && $as_prog -v /dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
-      druntime_cv_use_gas=yes;
-    else
-      druntime_cv_use_gas=no;
-    fi
-    rm -f a.out
-    if test x$druntime_cv_use_gas = xno; then
-      LIBPHOBOS_SUPPORTED=no
-    fi
     # 64-bit D execution fails with Solaris ld without -z relax=transtls support.
     if test "$druntime_ld_gld" = "no" && test "$druntime_ld_relax_transtls" = "no"; then
       LIBPHOBOS_SUPPORTED=no
diff --git a/libphobos/configure.tgt b/libphobos/configure.tgt
index 6ffca3446c0..0063dd23249 100644
--- a/libphobos/configure.tgt
+++ b/libphobos/configure.tgt
@@ -52,6 +52,9 @@ case "${target}" in
   s390*-linux*)
 	LIBPHOBOS_SUPPORTED=yes
 	;;
+  sparc*-*-solaris2.11*)
+	LIBPHOBOS_SUPPORTED=yes
+	;;
   x86_64-*-freebsd* | i?86-*-freebsd*)
 	LIBPHOBOS_SUPPORTED=yes
 	;;