makefile.common

T-kernel 的extension源代码

#
# ----------------------------------------------------------------------
#     T-Kernel / Standard Extension
#
#     Copyright (C) 2006 by Ken Sakamura. All rights reserved.
#     T-Kernel / Standard Extension is distributed 
#       under the T-License for T-Kernel / Standard Extension.
# ----------------------------------------------------------------------
#
#     Version:   1.00.00
#     Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
#
# ----------------------------------------------------------------------
#

#
#	Makefile for gmake
#	solib (common description)
#

# source file dependencies (generated automatically)
DEPS = Dependencies
DEPENDENCIES_OUTPUT := $(DEPS)

# ----------------------------------------------------------------------------

# target file
TARGET = solib.o

# source path
S = ../../src
HEADER_TKSE	= $(BD)/tkse/include $(BD)/include/tkse
VPATH = $(S)/sysdepend/$(MACHINE):$(S)
HEADER := $(S)/sysdepend/$(MACHINE) $(S) $(HEADER_TKSE) $(HEADER)

# source files
SRC =	soinit.c dlinfo.c load.c resolve.c somalloc.c \
	$(SRC_SYSDEP)

OBJ	= $(addsuffix .o, $(basename $(SRC)))
SRC.C	= $(filter %.C, $(SRC))

# perl script for checking the undefined symbol
#	Excepting the symbol defined by linker and the symbol of "weak" attribute,
#	link shall be made so that there is no-undefined symbol.
define chksolib
	$$exist = 0;
	while ( <> ) {
		next if /^         U _DYNAMIC$$/;
		next if /^         U _GLOBAL_OFFSET_TABLE_$$/;
		next if /^         U _start$$/;
		next if /^         U _end$$/;
		next if /^         U _gp_disp$$/;
		print;
		if ( /^         U/ ) {
			print STDERR;
			$$exist = 1;
		}
	}
	exit($$exist);
endef

# link library
LDLIBS = -ltkse -ltcstr -lg -ltm -ltksesvc -lsvc \
	$(LDLIBS_SYSDEP)

# System call interface library needed at "crttkse.o" shall be
# linked to "solib" before loading the shared library
SVCIF = tkse_DefMsgHdr tkse_rcv_msg

# ----------------------------------------------------------------------------

.PHONY: all clean install import

ALL = $(TARGET) $(TARGET:%.o=%.map)

all: $(ALL)

$(TARGET): $(OBJ)
	$(LINK_R.o) -static $(SVCIF:%=-u %) $^ $(LDLIBS) $(OUTPUT_OPTION)

$(TARGET:%.o=%.map): $(TARGET)
	$(NM) $(NMFLAGS) $< | $(PERL) -e "$$chksolib" > $@

import:
	cd $(S); $(RM) \#so.h; $(BD)/etc/mkimport so.h

clean:
	$(RM) $(OBJ) $(SRC.C:%.C=%.c) $(ALL) $(DEPS)

install: $(TARGET:%=$(LIB_INSTALLDIR)/%)

# generate dependencies
ifdef DEPENDENCIES_OUTPUT
  $(DEPS): ; touch $(DEPS)
else
  $(DEPS): $(SRC) ; $(MAKEDEPS) $@ $?
endif
include $(DEPS)

$(SRC.C:%.C=%.c):