#                TRACE32 Remote API
#      Copyright (c) 1998-2020 Lauterbach GmbH
#                All rights reserved
#
#                    Mac OS Makefile
#
# Builds TRACE32 API shared library. Requires Xtools to be installed.

SRCS      := hremote.c hlinknet.c t32nettcp.c tcpsimple2.c
OBJS      := $(SRCS:%.c=%.o)
SRCFILES  := $(SRCS:%=../src/%)
TARGETLIB := t32api.dylib
DEPS      := ../src/t32.h
UNAME-M   := $(shell uname -m)
CCREDIR   := -o$(SPACE)
DEFINES   := -DT32HOST_UNIX
RM        := rm

XCODE_APP      := # /Applications/Xcode-beta.app
XCODE_XCRUN    := $(if $(XCODE_APP),DEVELOPER_DIR=$(XCODE_APP)) xcrun
XCODE_CC       := $(strip $(shell $(XCODE_XCRUN) -f clang))
XCODE_STRIP    := $(strip $(shell $(XCODE_XCRUN) -f strip))
XCODE_SDK      := $(strip $(shell $(XCODE_XCRUN) --sdk macosx --show-sdk-path))

CC := $(XCODE_CC)
LD := $(XCODE_CC)

CFLAGS  := -c -fPIC -isysroot $(XCODE_SDK) $(DEFINES) $(SRCFILES)
LDFLAGS := -dynamiclib -isysroot $(XCODE_SDK) -current_version 1.0.0 -compatibility_version 1.0 $(OBJS)

TFLAGS_ARM    := -target  arm64-apple-macos -mmacosx-version-min=11.1  
TFLAGS_X64    := -target x86_64-apple-macos -mmacosx-version-min=10.13
CFLAGS_ARM    := $(TFLAGS_ARM) $(CFLAGS)
CFLAGS_X64    := $(TFLAGS_X64) $(CFLAGS)
LDFLAGS_ARM   := $(TFLAGS_ARM) $(LDFLAGS) 
LDFLAGS_X64   := $(TFLAGS_X64) $(LDFLAGS) 
TARGETLIB_ARM := $(TARGETLIB).arm64
TARGETLIB_X64 := $(TARGETLIB).x64

CLEANOBJS := $(RM) -rf $(OBJS)

ifndef XTARGET_CPU
 XTARGET_CPU := universalbinary
endif

ifeq ($(XTARGET_CPU),x64)
  CC1 := $(CC) $(CFLAGS_X64)
  LD1 := $(CC) $(LDFLAGS_X64) $(CCREDIR)$(TARGETLIB)
endif
ifeq ($(XTARGET_CPU),arm64)
 CC1 := $(CC) $(CFLAGS_ARM)
 LD1 := $(CC) $(LDFLAGS_ARM) $(CCREDIR)$(TARGETLIB)
endif
ifeq ($(XTARGET_CPU),universalbinary)
 CC1 := $(CC) $(CFLAGS_X64)
 LD1 := $(CC) $(LDFLAGS_X64) $(CCREDIR)$(TARGETLIB_X64)
 CC2 := $(CC) $(CFLAGS_ARM)
 LD2 := $(CC) $(LDFLAGS_ARM) $(CCREDIR)$(TARGETLIB_ARM)
 CLEANOBJS2  := $(CLEANOBJS)
 POSTLINKCMD := lipo -create -output $(TARGETLIB) $(TARGETLIB_ARM) $(TARGETLIB_X64)
endif


.PHONY: help
help:
	@echo
	@echo "make [OPTIONS] help  .......... Show this help"
	@echo "make [OPTIONS] all ............ Build the shared library (64bits only)"
	@echo "make [OPTIONS] clean .......... Delete library, objects and dependencies"
	@echo
	@echo "OPTIONS:"
	@echo "XTARGET_CPU=arm64 ............. Build for Apple silicon" 
	@echo "XTARGET_CPU=x64 ............... Build for Intel silicon" 
	@echo "XTARGET_CPU=universalbinary ... Build for Apple+Intel silicon" 
	@echo
	@echo "Without XTARGET_CPU universalbinary will be used."
	@echo

.PHONY: all
all: $(TARGETLIB)

.PHONY: cleanobjs
cleanobjs:
	$(CLEANOBJS)

$(TARGETLIB): cleanobjs
	$(CC1)
	$(LD1)
	$(CLEANOBJS2)
	$(CC2)
	$(LD2)
	$(POSTLINKCMD)

.PHONY: clean extraclean
clean extraclean:
	-$(RM) -rf $(TARGETLIB) $(TARGETLIB_ARM) $(TARGETLIB_X64) $(OBJS)