diff --git a/sprout/workaround.hpp b/sprout/workaround.hpp
index 33eeb008..494f39e5 100644
--- a/sprout/workaround.hpp
+++ b/sprout/workaround.hpp
@@ -10,5 +10,6 @@
 
 #include <sprout/config.hpp>
 #include <sprout/workaround/recursive_function_template.hpp>
+#include <sprout/workaround/base_class_construct.hpp>
 
 #endif	// #ifndef SPROUT_WORKAROUND_HPP
diff --git a/tools/testspr/test.py b/tools/testspr/test.py
index 44383772..fd947aaf 100644
--- a/tools/testspr/test.py
+++ b/tools/testspr/test.py
@@ -23,15 +23,17 @@ def main():
 	parser.add_option('--clang_version', type='string', default='.')
 	parser.add_option('--gcc_root', type='string', default='/usr/local')
 	parser.add_option('--clang_root', type='string', default='/usr/local')
-	parser.add_option('--compile_options', type='string', default='')
+	parser.add_option('--all_options', type='string', default='')
 	parser.add_option('--test_cpp', type='string')
 	parser.add_option('--serialized_std_options', type='string', default='{}')
+	parser.add_option('--serialized_compiler_specific_options', type='string', default='{}')
 	parser.add_option('--serialized_version_specific_options', type='string', default='{}')
 	parser.add_option('--max_procs', type='int', default=0)
 	(opts, args) = parser.parse_args()
 
 	std_options = eval(opts.serialized_std_options)
 	version_specific_options = eval(opts.serialized_version_specific_options)
+	compiler_specific_options = eval(opts.serialized_compiler_specific_options)
 
 	def format_command(name, version, root):
 		base = "%s-%s" % (name, version) if version != "." else name
@@ -40,11 +42,13 @@ def main():
 		execute_log = "%s/test.%s.execute.log" % (opts.stagedir, base.replace('.', ''))
 		compiler = "%s/%s/bin/%s++" % (root, base, name.rstrip('c')) if version != "." else "%s++" % name.rstrip('c')
 		return "%s -o %s" \
-			" %s %s %s" \
+			" %s %s" \
+			" %s %s" \
 			" %s > %s 2>&1" \
 			" && %s > %s 2>&1" \
 			% (compiler, bin,
-				std_options.get(base, ''), opts.compile_options, version_specific_options.get(base, ''),
+				std_options.get(base, ''), opts.all_options,
+				compiler_specific_options.get(name, ''), version_specific_options.get(base, ''),
 				opts.test_cpp, compile_log,
 				bin, execute_log
 				)
@@ -54,11 +58,13 @@ def main():
 		build,
 		[format_command('gcc', version, opts.gcc_root)
 			for version in opts.gcc_version.split(' ')
-			]
+			] if opts.gcc_version != ' '
+			else []
 		+
 		[format_command('clang', version, opts.clang_root)
 			for version in opts.clang_version.split(' ')
-			]
+			] if opts.clang_version != ' '
+			else []
 		))
 
 if __name__ == "__main__":
diff --git a/tools/testspr/test.sh b/tools/testspr/test.sh
index 85ec0106..fa719b0a 100755
--- a/tools/testspr/test.sh
+++ b/tools/testspr/test.sh
@@ -21,6 +21,8 @@ force=0
 use_help=0
 std="c++11"
 declare -a common_options=()
+declare -a compiler_options=()
+declare -A compiler_specific_options=()
 declare -a version_options=()
 declare -A version_specific_options=(
 #	[clang-3.3]='-ftemplate-depth=512'
@@ -53,7 +55,7 @@ get_std_option() {
 	fi
 }
 
-args=`getopt -o S:g:c:O:V:D:I:P:f -l stagedir:,gcc-version:,clang-version:,gcc-root:,clang-root:,std:,option:,version-option:,define:,include:,max-procs:,force,help -- "$@"`
+args=`getopt -o S:g:c:O:C:V:D:I:P:f -l stagedir:,gcc-version:,clang-version:,gcc-root:,clang-root:,std:,option:,compiler-option:,version-option:,define:,include:,max-procs:,force,help -- "$@"`
 if [ "$?" -ne 0 ]; then
 	echo >&2 "error: options parse error. See 'test.sh --help'"
 	exit 1
@@ -68,6 +70,7 @@ while [ -n "$1" ]; do
 		--clang-root) clang_root="$2"; shift 2;;
 		--std) std="$2"; shift 2;;
 		-O|--option) common_options=("${common_options[@]}" "$2"); shift 2;;
+		-C|--compiler-option) compiler_options=("${compiler_options[@]}" "$2"); shift 2;;
 		-V|--version-option) version_options=("${version_options[@]}" "$2"); shift 2;;
 		-D|--define) user_macros=("${user_macros[@]}" "$2"); shift 2;;
 		-I|--include) include_paths=("${include_paths[@]}" "$2"); shift 2;;
@@ -104,6 +107,9 @@ if [ ${use_help} -ne 0 ]; then
 	echo ""
 	echo "  -O, --option=<opt>          Add compile option."
 	echo ""
+	echo "  -C, --compiler-option=<opt> Add compiler specific compile option."
+	echo "                              Example; 'clang -ftemplate-depth=512'"
+	echo ""
 	echo "  -V, --version-option=<opt>  Add version specific compile option."
 	echo "                              Example; 'clang-3.3 -ftemplate-depth=512'"
 	echo ""
@@ -129,6 +135,7 @@ echo "  gcc-root = '${gcc_root}'"
 echo "  clang-root = '${clang_root}'"
 echo "  std = '${std}'"
 echo "  common-options = (${common_options[*]})"
+echo "  compiler-options = (${compiler_options[*]})"
 echo "  version-options = (${version_options[*]})"
 echo "  user-macros = (${user_macros[*]})"
 echo "  include-paths = (${include_paths[*]})"
@@ -141,7 +148,7 @@ done
 for include_path in ${include_paths}; do
 	include_options="${include_options} -I${include_path}"
 done
-compile_options="-v -Wall -pedantic ${define_options} ${include_options} ${common_options[*]}"
+all_options="-v -Wall -pedantic ${define_options} ${include_options} ${common_options[*]}"
 vo=0
 vkey=""
 for option in ${version_options}; do
@@ -204,12 +211,12 @@ if [ -z "${max_procs}" ]; then
 	fail_count=0
 	for version in ${gcc_version}; do
 		std_option=`get_std_option "gcc" "${version}" "${std}"`
-		compile "gcc" "${version}" "${test_cpp}" "${std_option} ${compile_options}" "${gcc_root}"
+		compile "gcc" "${version}" "${test_cpp}" "${std_option} ${all_options} ${compiler_specific_options[gcc]}" "${gcc_root}"
 		let fail_count=${fail_count}+$?
 	done
 	for version in ${clang_version}; do
 		std_option=`get_std_option "clang" "${version}" "${std}"`
-		compile "clang" "${version}" "${test_cpp}" "${std_option} ${compile_options}" "${clang_root}"
+		compile "clang" "${version}" "${test_cpp}" "${std_option} ${all_options} ${compiler_specific_options[clang]}" "${clang_root}"
 		let fail_count=${fail_count}+$?
 	done
 	if [ ${fail_count} -ne 0 ]; then
@@ -220,6 +227,12 @@ if [ -z "${max_procs}" ]; then
 else
 	echo "  processing in parallel mode."
 	echo -n "  "
+	serialized_compiler_specific_options={`
+		for key in $(echo ${!compiler_specific_options[*]}); do
+			echo \'${key}\':\'${compiler_specific_options[${key}]}\',
+		done
+		echo \'_\':\'\'
+	`}
 	serialized_version_specific_options={`
 		for key in $(echo ${!version_specific_options[*]}); do
 			echo \'${key}\':\'${version_specific_options[${key}]}\',
@@ -251,8 +264,9 @@ else
 		"--stagedir=${stagedir}" \
 		"--gcc_version=${gcc_version}" "--clang_version=${clang_version}" \
 		"--gcc_root=${gcc_root}" "--clang_root=${clang_root}" \
-		"--compile_options=${compile_options}" "--test_cpp=${test_cpp}" \
+		"--all_options=${all_options}" "--test_cpp=${test_cpp}" \
 		"--serialized_std_options=${serialized_std_options}" \
+		"--serialized_compiler_specific_options=${serialized_compiler_specific_options}" \
 		"--serialized_version_specific_options=${serialized_version_specific_options}" \
 		"--max_procs=${max_procs}"
 	fail_count=$?