diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e63abb..c2e117e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,11 +10,11 @@ set(CPACK_PROJECT_NAME ${PROJECT_NAME})
 set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
 
 # stack 16MB
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-stack_size -Wl,0x1000000")
+# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-stack_size -Wl,0x1000000")
 # otool -lV build/ml | grep stack
 
 # set(CMAKE_CXX_FLAGS "-Wall -Wextra")
-# set(CMAKE_CXX_FLAGS_RELEASE "-O3")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 
 include_directories(/usr/local/opt/openssl/include ${CMAKE_SOURCE_DIR}/clib ${CMAKE_SOURCE_DIR})
 
@@ -54,7 +54,7 @@ set(SOURCE
 
 add_executable(${PROJECT_NAME} ${SOURCE})
 
-target_link_libraries(${PROJECT_NAME} stdc++ m ssl crypto)
+target_link_libraries(${PROJECT_NAME} stdc++ m ssl crypto pthread)
 
 set(CMAKE_INSTALL_PREFIX "/usr/local")
 INSTALL(TARGETS ml
diff --git a/utils/local_install.sh b/utils/local_install.sh
index 8126b57..2db10bb 100755
--- a/utils/local_install.sh
+++ b/utils/local_install.sh
@@ -1,17 +1,19 @@
 #!/bin/sh
 
-gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c
-c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib -I./ --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/tcpnet.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/usql_function.cpp usql/settings.cpp
-c++ -o ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o
+echo "cleaning"
+/usr/bin/cmake --build /home/ubuntu/mlisp/build --config Release --target clean -j 4 --
+echo "building ml"
+/usr/bin/cmake --build /home/ubuntu/mlisp/build --config Release --target all -j 4 --
 
+echo ""
+echo "copying lsp files"
 cp stdlib/*.lsp /usr/local/var/mlisp/
-cp ml /usr/local/bin/ml
-
-rm *.o
-rm ./ml
+echo "copying ml file"
+cp /home/ubuntu/mlisp/build/ml /usr/local/bin/ml
 
+echo ""
 echo "if syntax has changed you may use"
-echo "cp utils/Lisp.tmLanguage ~/.vscode/extensions/mattn.lisp-0.1.11/syntaxes/"
+echo "cp utils/Lisp.tmLanguage ~/.vscode/extensions/mattn.lisp-0.1.12/syntaxes/"
 echo ""
 
-ml -v
\ No newline at end of file
+ml -v