152 lines
5.0 KiB
Makefile
152 lines
5.0 KiB
Makefile
#
|
|
# This file determines dependencies of a library from other libraries
|
|
#
|
|
# The following variables must be defined by the caller:
|
|
#
|
|
# VERBOSE - controls the make verboseness
|
|
# VERBOSE_DIR - verboseness of directory change messages
|
|
# VERBOSE_MK - verboseness of make calls
|
|
# REPOSITORIES - source code repositories to use
|
|
# BASE_DIR - base directory of build system repository
|
|
# TARGET_DIR - target build directory
|
|
# BUILD_BASE_DIR - build directory with build config
|
|
# LIB_CACHE_DIR - destination directory for object files
|
|
# LIB_PROGRESS_LOG - library build log file
|
|
# BUILD_LIBS - list of libraries to build (without .lib.a or .lib.so suffix)
|
|
# INSTALL_DIR - destination directory for installing shared libraries
|
|
# DEBUG_DIR - destination directory for installing unstripped shared libraries
|
|
#
|
|
|
|
ACCUMULATE_MISSING_PORTS = 1
|
|
|
|
#
|
|
# Include common utility functions
|
|
#
|
|
include $(BASE_DIR)/mk/util.inc
|
|
|
|
#
|
|
# Generate dependencies only for those libs that are
|
|
# not already contained in the library build log
|
|
#
|
|
include $(LIB_PROGRESS_LOG)
|
|
ifneq ($(filter $(LIB),$(LIBS_READY)),)
|
|
already_visited:
|
|
@true
|
|
else
|
|
all: append_lib_to_progress_log
|
|
endif
|
|
|
|
append_lib_to_progress_log:
|
|
@echo "LIBS_READY += $(LIB)" >> $(LIB_PROGRESS_LOG)
|
|
|
|
LIB_MK_DIRS = $(foreach REP,$(REPOSITORIES),$(addprefix $(REP)/lib/mk/spec/, $(SPECS)) $(REP)/lib/mk)
|
|
SYMBOLS_DIRS = $(foreach REP,$(REPOSITORIES),$(addprefix $(REP)/lib/symbols/spec/,$(SPECS)) $(REP)/lib/symbols)
|
|
|
|
#
|
|
# Of all possible file locations, use the (first) one that actually exist.
|
|
#
|
|
LIB_MK = $(firstword $(wildcard $(addsuffix /$(LIB).mk,$(LIB_MK_DIRS))))
|
|
SYMBOLS = $(firstword $(wildcard $(addsuffix /$(LIB), $(SYMBOLS_DIRS))))
|
|
|
|
ifneq ($(SYMBOLS),)
|
|
SHARED_LIB := yes
|
|
endif
|
|
|
|
#
|
|
# Sanity check to detect missing library-description file
|
|
#
|
|
ifeq ($(sort $(LIB_MK) $(SYMBOLS)),)
|
|
all: warn_missing_lib_mk
|
|
else
|
|
all: check_unsatisfied_requirements
|
|
endif
|
|
|
|
warn_missing_lib_mk: generate_lib_rule_for_defect_library
|
|
@$(ECHO) "Library-description file $(DARK_COL)$(LIB).mk$(DEFAULT_COL) is missing"
|
|
|
|
#
|
|
# Determine the repository base directory from the absolute pathname
|
|
# of the choosen libname.mk file. We need to specify the override
|
|
# command because REP_DIR was first set by prg.mk when building a
|
|
# program target. The repository of a library could be a different
|
|
# one.
|
|
#
|
|
# Finally, we strip the trailing slash from the path. The slash was
|
|
# used to match the whole directory in 'findstring'.
|
|
#
|
|
override REP_DIR := $(firstword $(foreach REP,$(REPOSITORIES),$(findstring $(REP)/,$(LIB_MK))))
|
|
override REP_DIR := $(REP_DIR:/=)
|
|
|
|
include $(BASE_DIR)/mk/base-libs.mk
|
|
include $(LIB_MK)
|
|
|
|
ifdef SHARED_LIB
|
|
LIBS += ldso_so_support
|
|
endif
|
|
|
|
#
|
|
# Hide archive dependencies of shared libraries from users of the shared
|
|
# library. Library users examine the 'DEP_A_<lib>' variable to determine
|
|
# transitive dependencies. For shared libraries, this variable remains
|
|
# undefined.
|
|
#
|
|
ifdef SHARED_LIB
|
|
DEP_A_VAR_NAME := PRIVATE_DEP_A_$(LIB)
|
|
else
|
|
DEP_A_VAR_NAME := DEP_A_$(LIB)
|
|
endif
|
|
|
|
#
|
|
# Check if the requirements of the target are satisfied
|
|
#
|
|
UNSATISFIED_REQUIREMENTS = $(filter-out $(SPECS),$(REQUIRES))
|
|
ifneq ($(UNSATISFIED_REQUIREMENTS),)
|
|
check_unsatisfied_requirements: warn_unsatisfied_requirements
|
|
else
|
|
check_unsatisfied_requirements: generate_lib_rule
|
|
endif
|
|
|
|
warn_unsatisfied_requirements: generate_lib_rule_for_defect_library
|
|
@$(ECHO) "Skip library $(LIB) because it requires $(DARK_COL)$(UNSATISFIED_REQUIREMENTS)$(DEFAULT_COL)"
|
|
|
|
generate_lib_rule_for_defect_library:
|
|
@echo "INVALID_DEPS += $(LIB)" >> $(LIB_DEP_FILE)
|
|
@echo "" >> $(LIB_DEP_FILE)
|
|
|
|
LIBS_TO_VISIT = $(filter-out $(LIBS_READY),$(LIBS))
|
|
|
|
generate_lib_rule:
|
|
ifneq ($(DEP_MISSING_PORTS),)
|
|
@(echo "MISSING_PORTS += $(DEP_MISSING_PORTS)"; \
|
|
echo "") >> $(LIB_DEP_FILE)
|
|
endif
|
|
@for i in $(LIBS_TO_VISIT); do \
|
|
$(MAKE) $(VERBOSE_DIR) -f $(BASE_DIR)/mk/dep_lib.mk REP_DIR=$(REP_DIR) LIB=$$i; done
|
|
ifneq ($(LIBS),)
|
|
@(echo "$(DEP_A_VAR_NAME) = $(foreach l,$(LIBS),\$${ARCHIVE_NAME($l)} \$$(DEP_A_$l))"; \
|
|
echo "DEP_SO_$(LIB) = $(foreach l,$(LIBS),\$${SO_NAME($l)} \$$(DEP_SO_$l))"; \
|
|
echo "") >> $(LIB_DEP_FILE)
|
|
endif
|
|
@(echo "$(LIB).lib: check_ports $(addsuffix .lib,$(LIBS))"; \
|
|
echo " @\$$(MKDIR) -p \$$(LIB_CACHE_DIR)/$(LIB)"; \
|
|
echo " \$$(VERBOSE_MK)\$$(MAKE) $(VERBOSE_DIR) -C \$$(LIB_CACHE_DIR)/$(LIB) -f \$$(BASE_DIR)/mk/lib.mk \\"; \
|
|
echo " REP_DIR=$(REP_DIR) \\"; \
|
|
echo " LIB_MK=$(LIB_MK) \\"; \
|
|
echo " SYMBOLS=$(SYMBOLS) \\"; \
|
|
echo " LIB=$(LIB) \\"; \
|
|
echo " ARCHIVES=\"\$$(sort \$$($(DEP_A_VAR_NAME)))\" \\"; \
|
|
echo " SHARED_LIBS=\"\$$(sort \$$(DEP_SO_$(LIB)))\" \\"; \
|
|
echo " BUILD_BASE_DIR=$(BUILD_BASE_DIR) \\"; \
|
|
echo " SHELL=$(SHELL) \\"; \
|
|
echo " INSTALL_DIR=\$$(INSTALL_DIR) \\"; \
|
|
echo " DEBUG_DIR=\$$(DEBUG_DIR)"; \
|
|
echo "") >> $(LIB_DEP_FILE)
|
|
ifdef SHARED_LIB
|
|
@(echo "SO_NAME($(LIB)) := $(LIB).lib.so"; \
|
|
echo "") >> $(LIB_DEP_FILE)
|
|
else
|
|
@(echo "ARCHIVE_NAME($(LIB)) := $(LIB).lib.a"; \
|
|
echo "") >> $(LIB_DEP_FILE)
|
|
endif
|
|
|