diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 29 |
1 files changed, 23 insertions, 6 deletions
@@ -1,6 +1,11 @@ DO != echo -n > deps.mk -DEBUGFLAGS != [ $(RELEASE) ] && echo "-flto=auto -O2 -DNODEBUG" || echo "-O0 -g -DDEBUG" +LLVM ?= 0 +RELEASE ?= 0 +DEBUGFLAGS != [ "$(RELEASE)" != "0" ] \ + && echo "-flto=auto -O2 -DNODEBUG" \ + || echo "-O0 -g -DDEBUG" + CFLAGS = -Wall -Wextra DEPFLAGS = -MT $@ -MMD -MP -MF $@.d LINTFLAGS = -fsyntax-only @@ -14,8 +19,15 @@ all: copyjit CROSS_COMPILE ?= # common programs -CC = gcc -OBJCOPY = objcopy +OBJCOPY != [ "$(LLVM)" != "0" ] \ + && echo llvm-objcopy \ + || echo $(CROSS_COMPILE)objcopy + +# weird, I thought clang accepted the same system target triplet as gcc? +# apparently it should be passed without a trailing dash, will have to fix +COMPILER != [ "$(LLVM)" != "0" ] \ + && echo clang --target="$(CROSS_COMPILE)" \ + || echo $(CROSS_COMPILE)gcc SOURCES := OP_SOURCES := @@ -24,10 +36,15 @@ IMM_SOURCES := include ops/source.mk include src/source.mk -COMPILE = $(CROSS_COMPILE)$(CC) $(DEBUGFLAGS)\ +# compile tools with these flags +# at the moment just prune.c, wonder if it should be rewritten in some +# scripting language? +HOST_COMPILE = $(CC) $(DEBUGFLAGS) $(CFLAGS) + +COMPILE = $(COMPILER) $(DEBUGFLAGS)\ $(CFLAGS) $(DEPFLAGS) $(COMPILEFLAGS) $(INCLUDEFLAGS) -OP_COMPILE := $(CROSS_COMPILE)$(CC) \ +OP_COMPILE := $(COMPILER) \ -Wall -Wextra -O2 \ -fno-schedule-insns -fno-schedule-insns2 \ -fpic -fpie \ @@ -35,7 +52,7 @@ OP_COMPILE := $(CROSS_COMPILE)$(CC) \ -ffreestanding \ -nostdlib -IMM_COMPILE := $(CROSS_COMPILE)$(CC) \ +IMM_COMPILE := $(COMPILER) \ -Wall -Wextra -O2 \ -fpic -fpie \ -T lib/imm.ld \ |