diff --git a/tools/analyzer/Makefile b/tools/analyzer/Makefile

index 16f2485..68d044c 100644

--- a/tools/analyzer/Makefile

+++ b/tools/analyzer/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/bat_drain/Makefile b/tools/bat_drain/Makefile

index 19bfd59..ea4898d 100644

--- a/tools/bat_drain/Makefile

+++ b/tools/bat_drain/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/bltk/Makefile b/tools/bltk/Makefile

index 8ab4c4f..8a80543 100644

--- a/tools/bltk/Makefile

+++ b/tools/bltk/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I../../include

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I../../include

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/get_realpath/Makefile b/tools/get_realpath/Makefile

index 6402cf9..e62558e 100644

--- a/tools/get_realpath/Makefile

+++ b/tools/get_realpath/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/sudo/Makefile b/tools/sudo/Makefile

index 30bc7c6..3cea1d8 100644

--- a/tools/sudo/Makefile

+++ b/tools/sudo/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/time/Makefile b/tools/time/Makefile

index cf89d0d..60074a1 100644

--- a/tools/time/Makefile

+++ b/tools/time/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/type_command/Makefile b/tools/type_command/Makefile

index 61f082e..60c48bc 100644

--- a/tools/type_command/Makefile

+++ b/tools/type_command/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 #LDFLAGS	= -L/usr/X11R6/lib -lX11

 BIN		= ../../bin

diff --git a/tools/xse/Makefile b/tools/xse/Makefile

index a416e94..0c72872 100644

--- a/tools/xse/Makefile

+++ b/tools/xse/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I ../../include -fPIC

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I ../../include -fPIC

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11 -Wl,-soname -Wl,libxse.so.0

 LIB		= ../../lib

diff --git a/wl_developer/Makefile b/wl_developer/Makefile

index 373a1ca..280e2b0 100644

--- a/wl_developer/Makefile

+++ b/wl_developer/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I../include

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I../include

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11 ../lib/libxse.so.0 -Wl,-rpath,/usr/lib/bltk

 BIN		= bin

diff --git a/wl_game/Makefile b/wl_game/Makefile

index 4114322..2590925 100644

--- a/wl_game/Makefile

+++ b/wl_game/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I../include

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I../include

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11 ../lib/libxse.so.0 -Wl,-rpath,/usr/lib/bltk

 BIN		= bin

diff --git a/wl_office/Makefile b/wl_office/Makefile

index 39d5783..2caa9ba 100644

--- a/wl_office/Makefile

+++ b/wl_office/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I../include

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I../include

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11 ../lib/libxse.so.0 -Wl,-rpath,/usr/lib/bltk

 BIN		= bin

diff --git a/wl_player/Makefile b/wl_player/Makefile

index 486bb11..f218f2b 100644

--- a/wl_player/Makefile

+++ b/wl_player/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11

 BIN		= bin

diff --git a/wl_reader/Makefile b/wl_reader/Makefile

index c73c1ca..9e40033 100644

--- a/wl_reader/Makefile

+++ b/wl_reader/Makefile

@@ -1,5 +1,5 @@

-CFLAGS		= -Wall -pedantic -std=c99 -g -O2 -I../include

+override CFLAGS	+= -Wall -pedantic -std=c99 -g -O2 -I../include

 LDFLAGS		= -L/usr/X11R6/lib64 -L/usr/X11R6/lib -lX11 ../lib/libxse.so.0 -Wl,-rpath,/usr/lib/bltk

 BIN		= bin