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#
# c-ares Makefile for djgpp/gcc/Watt-32.
# Copyright (C) Gisle Vanem <gvanem@yahoo.no>
# SPDX-License-Identifier: MIT
#
include src/lib/Makefile.inc
CSOURCES := $(addprefix src/lib/, $(CSOURCES))
CSOURCES := $(filter-out src/lib/windows_port.c, $(CSOURCES))
VPATH = src/lib src/tools
#
# Root directory for Waterloo tcp/ip.
# WATT_ROOT should be set during Watt-32 install.
#
WATT32_ROOT = $(realpath $(WATT_ROOT))
WATT32_LIB = $(WATT32_ROOT)/lib/libwatt.a
OBJ_DIR = djgpp
CFLAGS = -g -O2 -I./include -I./src/lib \
-I$(WATT32_ROOT)/inc -Wall \
-DWATT32 -DHAVE_CONFIG_H \
-Dselect=select_s
LDFLAGS = -s
ifeq ($(OS),Windows_NT)
#
# Windows hosted djgpp cross compiler. Get it from:
# https://github.com/andrewwutw/build-djgpp/releases
#
DJ_PREFIX ?= c:/some-path/djgpp/bin/i586-pc-msdosdjgpp-
CC = $(DJ_PREFIX)gcc
else
#
# The normal djgpp 'gcc' for MSDOS.
#
CC = gcc
endif
OBJECTS = $(addprefix $(OBJ_DIR)/, \
$(notdir $(CSOURCES:.c=.o)))
GENERATED = src/lib/ares_config.h \
include/ares_build.h
TARGETS = libcares.a adig.exe ahost.exe
.SECONDARY: $(OBJ_DIR)/ares_getopt.o
all: $(OBJ_DIR) $(GENERATED) $(TARGETS)
@echo Welcome to c-ares.
libcares.a: $(OBJECTS)
ar rs $@ $(OBJECTS)
src/lib/ares_config.h: src/lib/config-dos.h
cp --update $< $@
include/ares_build.h: include/ares_build.h.dist
cp --update $< $@
%.exe: src/tools/%.c $(OBJ_DIR)/ares_getopt.o libcares.a
$(call compile_and_link, $@, $^ $(WATT32_LIB))
# Clean generated files and objects.
#
clean:
- rm -f depend.dj $(GENERATED) $(OBJ_DIR)/*.o
- rmdir $(OBJ_DIR)
# Clean everything
#
realclean vclean: clean
- rm -f $(TARGETS) $(TARGETS:.exe=.map)
$(OBJ_DIR):
- mkdir $@
$(OBJ_DIR)/%.o: %.c
$(CC) $(CFLAGS) -o $@ -c $<
@echo
define compile_and_link
$(CC) -o $(1) $(CFLAGS) $(LDFLAGS) -Wl,--print-map,--sort-common $(2) > $(1:.exe=.map)
@echo
endef
DEP_REPLACE = sed -e 's@\(.*\)\.o: @\n$$(OBJ_DIR)\/\1.o: @' \
-e 's@$(WATT32_ROOT)@$$(WATT32_ROOT)@g'
#
# One may have to do 'make -f Makefile.dj clean' first in case
# a foreign 'curl_config.h' is making trouble.
#
depend: $(GENERATED) Makefile.dj
$(CC) -MM $(CFLAGS) $(CSOURCES) | $(DEP_REPLACE) > depend.dj
-include depend.dj
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