includes = -I lib/include -I engine/include
cflags = -g -pedantic -fPIC -std=c++17 -DDEBUG $includes

# brutal number of warning flags
cflags = $cflags -Wall -Wextra -Wcast-qual -Wcast-align -Wstrict-aliasing 
cflags = $cflags -Wpointer-arith -Winit-self -Wshadow -Wswitch-enum 
cflags = $cflags -Wredundant-decls -Wfloat-equal -Wundef -Wvla 
cflags = $cflags -Wconversion

libs = -lSDL2 
#lib/libmm/build/libmm.a lib/libwsdl2/build/libwsdl2.a
lflags = $libs -fuse-ld=gold

flags = -fdiagnostics-color

rule mkdir
    command = mkdir -p $out
    description = creating directory $out

rule clean
    command = rm -r build/*
    description = clean up builds

rule cpp
    command = g++ $flags $cflags -c $in -o $out
    description = compiling $in

rule link
    command = g++ $flags $cflags -o $out $in $lflags
    description = linking $out

rule link-shared
    command = g++ $flags $cflags -shared -o $out $in $lflags
    description = linking shared object $out

rule link-static
    command = ar rvs $out $in
    description = creating archive $out

rule ninja
    command = ninja -C $in
    description = running ninja in subdirectory $in