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changequote([,])

cflags  = ifdef([PROD], [], [-std=c99 -Wall -Wextra -g -D_DEFAULT_SOURCE])
bin     = bin
m4flags =

rule cc
  command = gcc -MD -MF $out.d $cflags -c $in -o $out
  depfile = $out.d
rule ar
  command = ar rcs $out $in

build $bin/msgpack.o:  cc msgpack.c
build $bin/msgpack.a:  ar $bin/msgpack.o
build $bin/msgpack.so: cc msgpack.c
  cflags = $cflags -fPIC -shared
  
rule elf
  command = gcc $cflags $in -o $out
rule run
  command = valgrind -s --leak-check=full --show-leak-kinds=all $in
 
build $bin/test.o: cc test.c
build $bin/test:  elf $bin/msgpack.o $bin/test.o

build static: phony $bin/msgpack.a
build shared: phony $bin/msgpack.so
build header: phony # TODO write it
build test:   run $bin/test

ifdef([PROD], [default test], [default header])

rule gen
  command = m4 $m4flags ninja.m4 > build.ninja
  generator = 1

build build.ninja: gen | ninja.m4

ifdef([PROD], [dnl
build dev: gen
], [dnl
build prod: gen
  m4flags = -D [PROD]
])