diff --git a/.gitignore b/.gitignore
index e313e7e..c6911d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 *.so
 .vscode
 /bld
+/out
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 28d88d5..0000000
--- a/Makefile
+++ /dev/null
@@ -1,165 +0,0 @@
-# **************************************************************************** #
-#                                                                              #
-#                                                         :::      ::::::::    #
-#    Makefile                                           :+:      :+:    :+:    #
-#                                                     +:+ +:+         +:+      #
-#    By: gtertysh <marvin@42.fr>                    +#+  +:+       +#+         #
-#                                                 +#+#+#+#+#+   +#+            #
-#    Created: 2018/02/18 16:06:01 by gtertysh          #+#    #+#              #
-#    Updated: 2019/01/19 15:21:01 by gtertysh         ###   ########.fr        #
-#                                                                              #
-# **************************************************************************** #
-
-ifeq ($(HOSTTYPE),)
-	HOSTTYPE := $(shell uname -m)_$(shell uname -s)
-endif
-
-
-# name of the main target
-
-NAME :=							libft_malloc_$(HOSTTYPE).so
-
-
-# project directories
-
-ROOT :=							$(shell pwd)
-SRC_DIR :=						$(ROOT)/src/
-OBJ_DIR :=						$(ROOT)/obj/
-INC_DIR :=						$(ROOT)/inc/
-LIB_DIR :=						$(ROOT)/lib/
-TST_DIR :=						$(ROOT)/t/
-
-
-# project headers
-
-MLC_HEADER :=					$(INC_DIR)/ft_malloc.h
-TST_HEADER :=					$(INC_DIR)/tests.h
-TST_RUNNER_HEADER :=			$(INC_DIR)/t.h
-HEADERS :=						$(MLC_HEADER)								\
-								$(TST_HEADER)								\
-								$(TST_RUNNER_HEADER)
-
-
-# libraries
-
-LIBFT_DIR :=					$(LIB_DIR)libft/
-LIBFT_INC :=					-I $(LIBFT_DIR)includes/
-LIBFT_LIB :=					-lft -L $(LIBFT_DIR)
-LIBFT =							$(LIBFT_DIR)libft.a
-
-
-# project source files
-
-MALLOC_SRC =					malloc.c
-
-SRC :=							$(MALLOC_SRC)
-
-
-# project object files
-
-OBJ =							$(addprefix $(OBJ_DIR), $(SRC:.c=.o))
-
-
-# project test files
-
-TEST_BIN =						malloc_test
-
-MALLOC_TESTS =					malloc_tests.c
-MALLOC_TESTS +=					$(MALLOC_SRC)
-
-TEST_SRC =						tests.c										\
-								$(MALLOC_TESTS)
-
-TEST_OBJ =						$(addprefix $(OBJ_DIR), $(TEST_SRC:.c=.o))
-
-
-# compilation flags
-
-CC_FLAGS =						-Wall -Wextra -Werror
-
-CC_FLAGS +=						-Wpointer-arith
-CC_FLAGS +=						-Wcast-align
-CC_FLAGS +=						-Wwrite-strings
-CC_FLAGS +=						-Wunreachable-code
-CC_FLAGS +=						-Winit-self
-CC_FLAGS +=						-Wmissing-field-initializers
-CC_FLAGS +=						-Wno-unknown-pragmas
-CC_FLAGS +=						-Wstrict-prototypes
-CC_FLAGS +=						-Wundef
-CC_FLAGS +=						-Wold-style-definition
-
-
-# for debug
-
-ifeq ($(DEBUG),true)
-
-CC_FLAGS +=						-g
-CC_FLAGS +=						-O0
-
-endif
-
-
-# linking flags
-
-LINK_FLAGS =					$(LIBFT_LIB)
-
-
-# header flags
-
-HEADER_FLAGS =					-I $(INC_DIR)								\
-								$(LIBFT_INC)
-
-
-# compiler
-
-CC :=							clang
-
-
-# rules
-
-$(NAME): $(OBJ)
-	$(CC) -shared $(OBJ) -o $(NAME) $(LINK_FLAGS)
-
-$(TEST_BIN): $(TEST_OBJ)
-	$(CC) $(TEST_OBJ) $(LINK_FLAGS) -o $(TEST_BIN)
-
-$(TEST_OBJ) $(OBJ): | $(OBJ_DIR)
-
-$(OBJ_DIR):
-	mkdir $(OBJ_DIR)
-
-$(OBJ_DIR)%.o: %.c $(LIBFT) $(HEADERS)
-	$(CC) -fpic -c $< -o $@ $(CC_FLAGS) $(HEADER_FLAGS)
-
-$(LIBFT):
-	$(MAKE) -C $(LIBFT_DIR)
-
-all: $(NAME)
-
-check: $(TEST_BIN)
-	clear
-	./$(TEST_BIN)
-
-clean:
-	rm -f $(OBJ)
-	rm -f $(TEST_OBJ)
-	$(MAKE) -C $(LIBFT_DIR) clean
-
-fclean: clean
-	rm -f $(NAME)
-	rm -f $(TEST_BIN)
-	$(MAKE) -C $(LIBFT_DIR) fclean
-
-re: fclean all
-
-multi:
-	$(MAKE) $(LIBFT)
-	$(MAKE) $(NAME)
-
-
-# special stuff
-
-vpath %.c						$(SRC_DIR)									\
-								$(TST_DIR)
-
-.PHONY: all check clean fclean re multi
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..ebb351f
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+PWD=$(pwd)
+OUT_DIR="$PWD/out"
+BLD_DIR="$PWD/bld"
+
+meson $BLD_DIR --includedir=$OUT_DIR --libdir=$OUT_DIR --bindir=$OUT_DIR --prefix=$OUT_DIR
+ninja -C $BLD_DIR
+ninja -C $BLD_DIR install
\ No newline at end of file
diff --git a/meson.build b/meson.build
index 3057c41..935140a 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,27 @@
-project('malloc', 'c')
+project(
+	'malloc',
+	'c',
+	default_options: [
+		'buildtype=release',
+	],
+)
+
+add_global_arguments(
+	'-Wall',
+	'-Wextra',
+	'-Werror',
+	'-Wpointer-arith',
+	'-Wcast-align',
+	'-Wwrite-strings',
+	'-Wunreachable-code',
+	'-Winit-self',
+	'-Wmissing-field-initializers',
+	'-Wno-unknown-pragmas',
+	'-Wstrict-prototypes',
+	'-Wundef',
+	'-Wold-style-definition',
+	language: 'c',
+)
 
 inc = include_directories('inc')
 subdir('inc')
diff --git a/src/free.c b/src/free.c
index 394db36..7932342 100644
--- a/src/free.c
+++ b/src/free.c
@@ -2,5 +2,6 @@
 
 void			free(void *used)
 {
+	(void)used;
 	return ;
 }
diff --git a/src/meson.build b/src/meson.build
index 151a4ff..063f400 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -4,4 +4,9 @@ srcs = [
 	'realloc.c',
 ]
 
-ft_malloc = shared_library('ft_malloc', srcs, include_directories: inc)
\ No newline at end of file
+ft_malloc = shared_library(
+	'ft_malloc',
+	srcs,
+	include_directories: inc,
+	install: true,
+)
\ No newline at end of file
diff --git a/src/realloc.c b/src/realloc.c
index 4c78ac7..cf25e51 100644
--- a/src/realloc.c
+++ b/src/realloc.c
@@ -2,5 +2,7 @@
 
 void		*realloc(void *ptr, size_t size)
 {
+	(void)ptr;
+	(void)size;
 	return (NULL);
 }
\ No newline at end of file
diff --git a/t/malloc_tests.c b/t/malloc_tests.c
index d3fc58b..36f552c 100644
--- a/t/malloc_tests.c
+++ b/t/malloc_tests.c
@@ -1,6 +1,6 @@
 #include "t.h"
 
-int	return_null_on_zero_size()
+int	return_null_on_zero_size(void)
 {
 	_IS(1 == 1);
 	_END("return null on zero size");
diff --git a/inc/t.h b/t/t.h
similarity index 100%
rename from inc/t.h
rename to t/t.h