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# -*-makefile -*-
#
# Creation Date: <1999/03/28 04:20:31 samuel>
# Time-stamp: <2001/10/16 01:40:23 samuel>
#
# <Rules.make>
#
# Common rules for recursive make
#
# Copyright (C) 1999, 2000, 2001 Samuel Rydh (samuel@ibrium.se)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation
#
# make-kpkg sets those variables. Define them if we are using good old make.
KSRC ?= /usr/src/kernel-headers-`uname -r`
KVERS ?= `uname -r`
# Path to the kernel source
_KERNEL_TREE = $(KSRC)
# don't change these... the install directories are in the Makefile
SHEADERS_PATH = $(TOP_DIR)/sinclude
MOL_LIB_DIR = $(TOP_DIR)/mollib
MOL_BIN_DIR = $(MOL_LIB_DIR)/bin
MOL_MODULE_DIR = $(BUILD_ROOT)/lib/modules/$(KVERS)/misc
CURDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
CC = gcc
CPP = cpp
AS = as
LD = ld
RM = rm -f
SMAKE = $(MAKE) --no-print-directory
CFLAGS = -pipe
ASMFLAGS = -D__ASSEMBLY__
# flags for the mol C-objects (-msoft-float, -mmultiple removed)
CFLAGS_MM = -O3 -Wall
ifdef PROFILE
CFLAGS_MM = -g -O2 -pg -Wall -mmultiple
endif
#
# Find out where the mol directory is (useful for makefiles in subdirectories)
#
TOP_DIR := $(shell ( test -f $(CURDIR)/Rules.make && cd $(CURDIR) && pwd ) || \
( test -f $(CURDIR)/../Rules.make && cd $(CURDIR)/../ && pwd ) || \
( test -f $(CURDIR)/../../Rules.make && cd $(CURDIR)/../../ && pwd ) || \
echo TOP_DIR_NOT_FOUND )
DEPGEN := $(TOP_DIR)/buildtools/depgen
#
# main target
#
all: autodeps sub_dirs $(O_TARGET) $(O_TARGET2) $(P_TARGET) $(P_TARGET2) $(C_TARGET)
utils: autodeps
#
# Include dependencies
#
-include .depend
ifdef DEPEND_BUILT
autodeps: dummy
else
autodeps: depend
endif
# dummy rule doing nothing
.PHONY: dummy
# we just do something to avoid multiple "nothing-to-do"
# messages for each subdirectory
dummy:
@true
#
# Implicit rules
#
obj/%.o %.o: %.c
$(CC) $(CFLAGS) $(CFLAGS_EXTRA) -c -o $@ $<
obj/%.o %.o: %.S
$(CPP) $(ALTIVEC_FLAGS) $(ASMFLAGS) $(ASMFLAGS_EXTRA) $< | $(AS) $(ALTIVEC_AS) -o $@
ifdef COSM_DIR1
CLEAN_DIRS += $(COSM_DIR1) $(COSM_DIR1)/include
$(addprefix $(COSM_DIR1), /obj/%.o /%.o): $(addprefix $(COSM_DIR1), /%.c)
$(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(CFLAGS_COSM1) -c -o $@ $<
$(addprefix $(COSM_DIR1), /obj/%.o /%.o): $(addprefix $(COSM_DIR1), /%.S)
$(CPP) $(ALTIVEC_FLAGS) $(ASMFLAGS) $(ASMFLAGS_EXTRA) $(ASMFLAGS_COSM1) $< | $(AS) $(ALTIVEC_AS) -o $@
ifdef COSM_DIR2
CLEAN_DIRS += $(COSM_DIR2) $(COSM_DIR2)/include
$(addprefix $(COSM_DIR2), /obj/%.o /%.o): $(addprefix $(COSM_DIR2), /%.c)
$(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(CFLAGS_COSM2) -c -o $@ $<
$(addprefix $(COSM_DIR2), /obj/%.o /%.o): $(addprefix $(COSM_DIR2), /%.S)
$(CPP) $(ALTIVEC_FLAGS) $(ASMFLAGS) $(ASMFLAGS_EXTRA) $(ASMFLAGS_COMS2) $< | $(AS) $(ALTIVEC_AS) -o $@
ifdef COSM_DIR3
CLEAN_DIRS += $(COSM_DIR3) $(COSM_DIR3)/include
$(addprefix $(COSM_DIR3), /obj/%.o /%.o): $(addprefix $(COSM_DIR3), /%.c)
$(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(CFLAGS_COSM3) -c -o $@ $<
$(addprefix $(COSM_DIR3), /obj/%.o /%.o): $(addprefix $(COSM_DIR3), /%.S)
$(CPP) $(ALTIVEC_FLAGS) $(ASMFLAGS) $(ASMFLAGS_EXTRA) $(ASMFLAGS_COMS3) $< | $(AS) $(ALTIVEC_AS) -o $@
ifdef COSM_DIR4
CLEAN_DIRS += $(COSM_DIR4) $(COSM_DIR4)/include
$(addprefix $(COSM_DIR4), /obj/%.o /%.o): $(addprefix $(COSM_DIR4), /%.c)
$(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(CFLAGS_COSM4) -c -o $@ $<
$(addprefix $(COSM_DIR4), /obj/%.o /%.o): $(addprefix $(COSM_DIR4), /%.S)
$(CPP) $(ALTIVEC_FLAGS) $(ASMFLAGS) $(ASMFLAGS_EXTRA) $(ASMFLAGS_COMS3) $< | $(AS) $(ALTIVEC_AS) -o $@
endif
endif
endif
endif
# Automatic checkout rule for BK
% :: SCCS/s.%
bk co $<
#
# O_TARGET (.o target)
#
ifdef O_TARGET
$(O_TARGET): $(O_OBJS)
@rm -f $@
$(LD) $(LDFLAGS_EXTRA) -r -o $@ $(O_OBJS) $(STATIC_LIBS)
$(O_TARGET_HOOK)
$(O_TARGET_HOOK2)
endif
ifdef O_TARGET2
$(O_TARGET2): $(O_OBJS2)
@rm -f $@
$(LD) $(LDFLAGS_EXTRA) -r -o $@ $(O_OBJS2)
$(O_TARGET2_HOOK)
endif
#
# P_TARGET (program target)
#
ifdef P_TARGET
$(P_TARGET): sub_dirs $(O_OBJS)
$(CC) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LDFLAGS_TARGET1) -o $@ $(O_OBJS) $(STATIC_LIBS)
$(P_TARGET_HOOK)
endif
ifdef P_TARGET2
$(P_TARGET2): sub_dirs $(O_OBJS2)
$(CC) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LDFLAGS_TARGET2) -o $@ $(O_OBJS2) $(STATIC_LIBS2)
$(P_TARGET2_HOOK)
endif
#
# C_TARGET (custom target, no build rules)
#
ifdef C_TARGET
$(C_TARGET): sub_dirs $(O_OBJS)
endif
#
# A rule to make subdirectories
#
sub_dirs: dummy $(patsubst %,_subdir_%,$(SUB_DIRS))
ifdef SUB_DIRS
$(patsubst %,_subdir_%,$(SUB_DIRS)) : dummy $(SUBDIR_DEPS)
@echo Entering \'$(CURDIR)/$(patsubst _subdir_%,%,$@)\'
@$(SMAKE) -C $(patsubst _subdir_%,%,$@)
endif
#
# A cleaning rule
#
clean: dummy $(patsubst %,_sdir_clean_%,$(SUB_DIRS))
@echo Cleaning $(CURDIR)
@$(RM) *.o obj/*.o *~ .*~ core .depend \
$(O_TARGET) $(O_TARGET2) $(O_OBJS) $(O_OBJS2) \
$(P_TARGET) $(P_TARGET2) $(C_TARGET) $(CLEAN_FILES) \
$(CLEAN_DIRS:=/*~) 2> /dev/null ; true
distclean: $(patsubst %,_sdir_distclean_%,$(SUB_DIRS))
@$(RM) .depend
ifdef SUB_DIRS
$(patsubst %,_sdir_clean_%,$(SUB_DIRS)) : dummy
@$(SMAKE) -C $(patsubst _sdir_clean_%,%,$@) clean
$(patsubst %,_sdir_distclean_%,$(SUB_DIRS)) : dummy
@$(SMAKE) -C $(patsubst _sdir_distclean_%,%,$@) distclean
endif
#
# Dependencies
#
dep: depend
depend: dummy $(patsubst %,_sdir_dep_%,$(SUB_DIRS))
@test -f $(DEPGEN) || $(SMAKE) -C $(TOP_DIR)/buildtools depgen
@echo Building deps in $(CURDIR)
@$(DEPGEN) $(CURDIR) $(COSM_DIR1) $(COSM_DIR2) $(COSM_DIR3) $(COSM_DIR4) ; true
@$(DEP_HOOK)
ifdef SUB_DIRS
$(patsubst %,_sdir_dep_%,$(SUB_DIRS)) : dummy
@$(SMAKE) -C $(patsubst _sdir_dep_%,%,$@) depend
endif
#############################################################
# Common rules for kernel modules
#############################################################
GET_UNAME = $(TOP_DIR)/scripts/get_uname $(TOP_DIR)
ifndef KERNEL_TREE
KERNEL_TREE = $(_KERNEL_TREE)
endif
export KERNEL_TREE
ifdef KMOD_BUILD
KHEADERS := $(KERNEL_TREE)/include
UNAME := $(shell $(TOP_DIR)/scripts/get_uname $(TOP_DIR) "$(KERNEL_TREE)")
kuname_check: dummy
@[ -n "$(UNAME)" ]
print_uname: kuname_check dummy
@echo
@echo ===============================================================
@echo " Compiling for $(UNAME) '$(KERNEL_TREE)'"
@echo ===============================================================
@echo
endif
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