diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..74d0d93
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+*.so
+*.o
+*.json
+*.txt
+*.a
\ No newline at end of file
diff --git a/Makefile b/Makefile
index f895a4b..796ea78 100644
--- a/Makefile
+++ b/Makefile
@@ -8,13 +8,13 @@
 ## Last update Wed Aug 26 12:42:01 2015 Guillaume ROBIN
 ##
 
-CC	= g++ -g3
+CC	= clang++
 
 RM	= rm -f
 
 NAME	= LoveBrains
 
-CXXFLAGS	+= -Werror -Wall -Wextra -pthread -std=c++11
+CXXFLAGS	+= -Werror -Wall -Wextra -std=c++11
 
 CXXFLAGS	+= -I ./include/
 
diff --git a/api/lib/ANNLibrary/Makefile b/api/lib/ANNLibrary/Makefile
index 781263e..851ce0f 100644
--- a/api/lib/ANNLibrary/Makefile
+++ b/api/lib/ANNLibrary/Makefile
@@ -8,7 +8,7 @@
 ## Last update Tue Aug 25 17:22:35 2015 Guillaume ROBIN
 ##
 
-CC	= g++
+CC	= clang++
 
 RM	= rm -f
 
@@ -18,7 +18,7 @@ CXXFLAGS	+= -Werror -Wextra -Wall -std=c++11
 
 CXXFLAGS	+= -I ./include
 
-LDFLAGS	= -lm
+LDFLAGS	=
 
 SRCS	+= src/ANN/ann_layer.cc \
 	   src/ANN/ann_exception.cc \
diff --git a/lib/GANNEngine/Makefile b/lib/GANNEngine/Makefile
index 9d4a3b3..79bdd0f 100644
--- a/lib/GANNEngine/Makefile
+++ b/lib/GANNEngine/Makefile
@@ -8,7 +8,7 @@
 ## Last update Tue Aug 25 16:57:02 2015 Guillaume ROBIN
 ##
 
-CC	= g++
+CC	= clang++
 
 RM	= rm -f
 
@@ -18,7 +18,7 @@ CXXFLAGS	+= -Werror -Wextra -Wall -pthread -std=c++11
 
 CXXFLAGS	+= -I ./include
 
-LDFLAGS	= -lm
+LDFLAGS	=
 
 SRCS	+= src/ANN/ann_layer.cc \
 	   src/ANN/neural_net.cc \
diff --git a/mods/basic_survival/Makefile b/mods/basic_survival/Makefile
index 43085a9..182c7ea 100644
--- a/mods/basic_survival/Makefile
+++ b/mods/basic_survival/Makefile
@@ -8,7 +8,7 @@
 ## Last update Sat Nov 28 13:55:55 2015 Guillaume ROBIN
 ##
 
-CC	= g++
+CC	= clang++
 
 RM	= rm -f
 
@@ -18,7 +18,7 @@ CXXFLAGS	+= -std=c++11
 
 CXXFLAGS	+= -I ./include/ -I ./api/include/ -I ./api/lib/ANNLibrary/include/
 
-LDFLAGS	= -lsfml-graphics -lsfml-window -lsfml-system -lm -lANN -L./api/lib/ANNLibrary/
+LDFLAGS	=  -lsfml-graphics -lsfml-window -lsfml-system -lANN -L ./api/lib/ANNLibrary/
 
 # Add sources below.
 SRCS	+= src/plugin.cc \
@@ -45,10 +45,10 @@ flib:
 	make fclean -C ./api/lib/ANNLibrary/
 
 %.o: %.cc
-	$(CC) -fPIC $(CXXFLAGS) -c $< $(LDFLAGS) -o $@
+	$(CC) -fPIC $(CXXFLAGS) -c $< -o $@
 
 $(NAME): $(OBJS)
-	$(CC) -shared $(CXXFLAGS) $(OBJS) -o $(NAME) -Wl,--whole-archive -lANN -L./api/lib/ANNLibrary -Wl,--no-whole-archive
+	$(CC) -shared $(CXXFLAGS) $(LDFLAGS) $(OBJS) -o $(NAME)
 
 clean: clib
 	$(RM) $(OBJS)
diff --git a/mods/basic_survival/api/lib/ANNLibrary/Makefile b/mods/basic_survival/api/lib/ANNLibrary/Makefile
index 781263e..851ce0f 100644
--- a/mods/basic_survival/api/lib/ANNLibrary/Makefile
+++ b/mods/basic_survival/api/lib/ANNLibrary/Makefile
@@ -8,7 +8,7 @@
 ## Last update Tue Aug 25 17:22:35 2015 Guillaume ROBIN
 ##
 
-CC	= g++
+CC	= clang++
 
 RM	= rm -f
 
@@ -18,7 +18,7 @@ CXXFLAGS	+= -Werror -Wextra -Wall -std=c++11
 
 CXXFLAGS	+= -I ./include
 
-LDFLAGS	= -lm
+LDFLAGS	=
 
 SRCS	+= src/ANN/ann_layer.cc \
 	   src/ANN/ann_exception.cc \
diff --git a/mods/basic_survival/src/math.cc b/mods/basic_survival/src/math.cc
index 6770012..448131c 100644
--- a/mods/basic_survival/src/math.cc
+++ b/mods/basic_survival/src/math.cc
@@ -8,8 +8,7 @@
 // Last update Tue Aug 18 13:38:31 2015 Guillaume ROBIN
 //
 
-// #include <cmath>
-
+#include <cmath>
 #include "math_plugin.h"
 
 /*