Usable headers in ./deps/include, still need the libraries installed in the usual places

Makefile

@@ -11,7 +11,7 @@ CWARN	= -pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wdisabled-optimization
 WARNINGS   = -Werror -pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wsign-conversion -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unused -Wzero-as-null-pointer-constant -Wuseless-cast -Wno-strict-overflow
 LIBS       = -lglfw -lGL -lGLEW -lfreetype -lharfbuzz -lmbedtls -lmbedcrypto -lmbedx509
 LDFLAGS    = -O3 -flto=8
-INCPATH    = -I /usr/include/freetype2 -I /usr/include/harfbuzz
+INCPATH    = -I./deps/include # Usable headers are in ./deps - you still need the libraries installed in the usual places
 MD5SUM     = md5sum
 
 ifeq ($(UNAME), Darwin)
@@ -28,7 +28,7 @@ LIBS = -lglfw -framework OpenGL -framework Cocoa -framework IOKit -framework Cor
 endif
 endif
 LDFLAGS    = -O3 -L/usr/local/lib
-INCPATH    = -I /usr/local/include -I /usr/local/include/freetype2 -I /usr/local/include/harfbuzz
+INCPATH    = -I./deps/include
 MD5SUM     = md5
 endif