# Makefile.common - common definitions for the winsup directory
#
# Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2009, 2012 Red Hat, Inc.
#
# This file is part of Cygwin.
#
# This software is a copyrighted work licensed under the terms of the
# Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
# details.

# This makefile requires GNU make.

CFLAGS_COMMON:=-Wall -Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin -fmessage-length=0 -D_SDKDDKVER_H
MALLOC_DEBUG:=#-DMALLOC_DEBUG -I/cygnus/src/uberbaum/winsup/cygwin/dlmalloc
MALLOC_OBJ:=#/cygnus/src/uberbaum/winsup/cygwin/dlmalloc/malloc.o

override srcdir:=${shell cd $(srcdir); pwd}
ifneq (,${filter-out /%,$(srcdir)})
    updir:=$(srcdir)/..
    updir1:=$(updir)/..
else
    updir:=${patsubst %:::,%,${patsubst %/:::,%,$(dir $(srcdir)):::}}
ifneq (,${findstring /,$(updir)})
    updir1:=${patsubst %:::,%,${patsubst %/:::,%,$(dir $(updir)):::}}
else
    updir1:=$(updir)/..
endif
endif

pwd:=${shell pwd}
ifneq "${filter winsup%,${notdir $(pwd)}}" ""
    here:=${pwd}/cygwin
else
    here:=${dir $(pwd)}cygwin
endif
bupdir:=${shell cd $(here)/..; pwd}
ifneq (,${filter-out /%,$(bupdir)})
    bupdir1:=../..
    bupdir2:=../../..
else
ifneq (,${findstring /,$(bupdir)})
    bupdir1:=${patsubst %:::,%,${patsubst %/:::,%,$(dir $(bupdir)):::}}
else
    bupdir1:=$(bupdir)/..
endif
ifneq (,${findstring /,$(bupdir1)})
    bupdir2:=${patsubst %:::,%,${patsubst %/:::,%,$(dir $(bupdir1)):::}}
else
    bupdir2:=$(bupdir1)/..
endif
endif

zlib_source:=$(updir)/zlib
zlib_build:=$(bupdir)/zlib
bz2lib_source:=$(updir)/bz2lib
bz2lib_build:=$(bupdir)/bz2lib
w32api_source:=$(updir)/w32api
w32api_build:=$(bupdir)/w32api
w32api_lib:=$(w32api_build)/lib
newlib_source:=$(updir1)/newlib
newlib_build:=$(bupdir1)/newlib
cygwin_build:=$(bupdir)/cygwin
cygwin_source:=$(updir)/cygwin
mingw_build:=$(bupdir)/mingw
mingw_source:=$(updir)/mingw
utils_build:=$(bupdir)/utils
utils_source:=$(updir)/utils
ifeq (,${findstring $(newlib_source)/libc/include,$(CFLAGS) $(CXXFLAGS) $(CXX) $(CC)})
newlib_include:=-I$(newlib_source)/libc/include
endif
ifeq (,${findstring $(cygwin_source)/include,$(CFLAGS) $(CXXFLAGS) $(CXX) $(CC)})
cygwin_include:=-I$(cygwin_source)/include
endif

nostdincxx:=-nostdinc++

nostdlib:=-nostdlib

ifeq (,${nostdlib})
nostdinc:=
endif

INCLUDES:=-I. $(cygwin_include) -I$(cygwin_source) $(newlib_include)
ifdef CONFIG_DIR
INCLUDES+=-I$(CONFIG_DIR)
endif

MINGW_LDFLAGS:=-static
MINGW_CFLAGS:=
MINGW_CXXFLAGS:=

GCC_DEFAULT_OPTIONS:=$(CFLAGS_COMMON) $(CFLAGS_CONFIG) $(INCLUDES)

# Link in libc and libm from newlib

LIBC:=$(newlib_build)/libc/libc.a
LIBM:=$(newlib_build)/libm/libm.a
CRT0:=$(cygwin_build)/crt0.o

ALL_CFLAGS=$(DEFS) $(MALLOC_DEBUG) $(CFLAGS) $(GCC_DEFAULT_OPTIONS)
ALL_CXXFLAGS=$(DEFS) $(MALLOC_DEBUG) $(CXXFLAGS) $(GCC_DEFAULT_OPTIONS)

ifndef PREPROCESS
c=-c
o=.o
else
c=-E -dD
o=.E
endif

libgcc:=${subst \,/,${shell $(CC_FOR_TARGET) -print-libgcc-file-name}}
gcc_libdir:=${word 1,${dir $(libgcc)}}
ifeq (,${findstring $(gcc_libdir),$(CFLAGS) $(CXXFLAGS) $(CXX) $(CC)})
GCC_INCLUDE:=${subst //,/,-I$(gcc_libdir)/include}
endif

COMPILE_CXX=$(CXX) $c $(if $($(*F)_STDINCFLAGS),,$(nostdincxx) $(nostdinc)) \
	     $(ALL_CXXFLAGS) $(GCC_INCLUDE) -fno-rtti -fno-exceptions
COMPILE_CC=$(CC) $c $(if $($(*F)_STDINCFLAGS),,$(nostdinc)) $(ALL_CFLAGS) $(GCC_INCLUDE)

vpath %.a	$(cygwin_build):$(newlib_build)/libc:$(newlib_build)/libm

MAKEOVERRIDES_WORKAROUND=${wordlist 2,1,a b c}

ifneq ($(MAKEOVERRIDES_WORKAROUND),)
    override MAKE:=$(MAKE) $(MAKEOVERRIDES)
    MAKEOVERRIDES:=
    export MAKEOVERRIDES
endif

ifdef RPATH_ENVVAR
VERBOSE=1
endif

ifneq "${findstring -B,$(COMPILE_CXX) $(COMPILE_CC)}" ""
VERBOSE=1
endif

.PRECIOUS: %.o

%.o: %.cc
ifdef VERBOSE
	$(COMPILE_CXX) -o $(@D)/$(*F)$o $<
else
	@echo $(CXX) $c $(CXXFLAGS) ... $(*F).cc
	@$(COMPILE_CXX) -o $(@D)/$(*F)$o $<
endif

%.o: %.c
ifdef VERBOSE
	$(COMPILE_CC) -o $(@D)/$(*F)$o $<
else
	@echo $(CC) $c $(CFLAGS) ... $(*F).c
	@$(COMPILE_CC) -o $(@D)/$(*F)$o $<
endif

$(bupdir1)/libiberty/%.o: $(updir1)/libiberty/%.c
	@$(MAKE) -C $(@D) $(@F)

$(w32api_lib)/%.a: $(w32api_lib)/Makefile
	@$(MAKE) --no-print-dir -C $(@D) $(@F)

$(bz2lib)/%.a: $(bz2lib)/Makefile
	@$(MAKE) --no-print-dir -C $(@D) $(@F)

$(zlib)/%.a: $(zlib)/Makefile
	@$(MAKE) --no-print-dir -C $(@D) $(@F)

all:

# For auto-rebuilding the Makefile

.PRECIOUS: Makefile

Makefile: Makefile.in $(srcdir)/configure.in config.status
	$(SHELL) config.status

config.status: configure
	$(SHELL) config.status --recheck