diff --git a/.gitignore b/.gitignore
index d63bf1d..f4ce50e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,11 @@ assignments/PA2/lexer
 *.o
 .cache/
 compile_commands.json
+assignments/PA3/cgen
+assignments/PA3/parser
+assignments/PA3/semant
+assignments/PA3/lexer
+assignments/PA3/cool.output
+assignments/PA3/cool.tab.h
+assignments/PA3/cool-parse.cc
+*.d
diff --git a/assignments/PA3/Makefile b/assignments/PA3/Makefile
index 9814fc4..c13b80c 100644
--- a/assignments/PA3/Makefile
+++ b/assignments/PA3/Makefile
@@ -26,7 +26,7 @@ CPPINCLUDE= -I. -I${CLASSDIR}/include/PA${ASSN} -I${CLASSDIR}/src/PA${ASSN}
 BFLAGS = -d -v -y -b cool --debug -p cool_yy
 
 CC=g++
-CFLAGS=-g -Wall -Wno-unused -Wno-deprecated  -Wno-write-strings -DDEBUG ${CPPINCLUDE}
+CFLAGS=-g -Wall -Wno-unused -Wno-deprecated  -Wno-write-strings -DDEBUG -std=c++11 ${CPPINCLUDE}
 FLEX=flex ${FFLAGS}
 BISON= bison ${BFLAGS}
 DEPEND = ${CC} -MM ${CPPINCLUDE}