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Makefile.rules
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Makefile.rules
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#
# Asterisk -- A telephony toolkit for Linux.
#
# Makefile rules
#
# Copyright (C) 2006-2010, Digium, Inc.
#
# Kevin P. Fleming <kpfleming@digium.com>
#
# This program is free software, distributed under the terms of
# the GNU General Public License
#
# Each command is preceded by a short comment on what to do.
# Prefixing one or the other with @\# or @ or nothing makes the desired
# behaviour. ECHO_PREFIX prefixes the comment, CMD_PREFIX prefixes the command.
-include $(ASTTOPDIR)/makeopts
.PHONY: dist-clean
# If 'make' decides to create intermediate files to satisfy a build requirement
# (like producing a .i from a .c), we want to keep them, so tell make to keep
# all intermediate files
.SECONDARY:
# extra cflags to build dependencies. Recursively expanded.
MAKE_DEPS=-MD -MT $@ -MF .$(subst /,_,$@).d -MP
ifeq ($(NOISY_BUILD),)
ECHO_PREFIX=@
CMD_PREFIX=@
else
ECHO_PREFIX=@\#
CMD_PREFIX=
endif
OPTIMIZE?=-O6
ifneq ($(findstring darwin,$(OSARCH)),)
ifeq ($(shell /usr/bin/sw_vers -productVersion | cut -c1-4),10.6)
# Snow Leopard has an issue with this optimization flag on large files (like chan_sip)
OPTIMIZE+=-fno-inline-functions
endif
endif
ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_CODE_COVERAGE),no)
_ASTCFLAGS+=$(OPTIMIZE)
else
_ASTCFLAGS+=-O0
endif
ifeq ($(AST_CODE_COVERAGE),yes)
_ASTCFLAGS+=-ftest-coverage -fprofile-arcs
_ASTLDFLAGS+=-ftest-coverage -fprofile-arcs
endif
ifeq ($(findstring $(CONFIG_CFLAGS),$(_ASTCFLAGS)),)
_ASTCFLAGS+=$(CONFIG_CFLAGS)
endif
# shortcuts for common combinations of flags; these must be recursively expanded so that
# per-target settings will be applied
CC_CFLAGS=$(PTHREAD_CFLAGS) $(_ASTCFLAGS) $(ASTCFLAGS)
CXX_CFLAGS=$(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations $(AST_DECLARATION_AFTER_STATEMENT),$(_ASTCFLAGS) $(ASTCFLAGS))
ifeq ($(GNU_LD),1)
SO_SUPPRESS_SYMBOLS=-Wl,--version-script,$(subst .so,.exports,$@),--warn-common
ifneq ($(wildcard $(subst .so,.dynamics,$@)),)
SO_SUPPRESS_SYMBOLS+=-Wl,--dynamic-list,$(subst .so,.dynamics,$@)
endif
endif
CC_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(SO_SUPPRESS_SYMBOLS) $(ASTLDFLAGS)
CXX_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(SO_SUPPRESS_SYMBOLS) $(ASTLDFLAGS)
CC_LIBS=$(PTHREAD_LIBS) $(LIBS)
CXX_LIBS=$(PTHREAD_LIBS) $(LIBS)
# determine whether to double-compile so that the optimizer can report code path problems
# this is only done when developer mode and DONT_OPTIMIZE are both enabled
# in that case, we run the preprocessor to produce a .i or .ii file from the source
# code, then compile once with optimizer enabled (and the output to /dev/null),
# and if that doesn't fail then compile again with optimizer disabled
ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_DEVMODE),DONT_OPTIMIZEyes)
COMPILE_DOUBLE=yes
endif
%.o: %.s
$(ECHO_PREFIX) echo " [AS] $< -> $@"
ifeq ($(COMPILE_DOUBLE),yes)
$(CMD_PREFIX) $(CC) -o /dev/null -c $< $(OPTIMIZE) $(CC_CFLAGS)
endif
$(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS)
%.o: %.i
$(ECHO_PREFIX) echo " [CCi] $< -> $@"
ifeq ($(COMPILE_DOUBLE),yes)
$(CMD_PREFIX) $(CC) -o /dev/null -c $< $(OPTIMIZE) $(CC_CFLAGS)
endif
$(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS)
ifneq ($(COMPILE_DOUBLE),yes)
%.o: %.c
$(ECHO_PREFIX) echo " [CC] $< -> $@"
$(CMD_PREFIX) $(CC) -o $@ -c $< $(MAKE_DEPS) $(CC_CFLAGS)
endif
%.i: %.c
$(ECHO_PREFIX) echo " [CPP] $< -> $@"
$(CMD_PREFIX) $(CC) -o $@ -E $< $(MAKE_DEPS) $(CC_CFLAGS)
%.oo: %.ii
$(ECHO_PREFIX) echo " [CXXi] $< -> $@"
ifeq ($(COMPILE_DOUBLE),yes)
$(CMD_PREFIX) $(CXX) -o /dev/null -c $< $(OPTIMIZE) $(CXX_CFLAGS)
endif
$(CMD_PREFIX) $(CXX) -o $@ -c $< $(CXX_CFLAGS)
ifneq ($(COMPILE_DOUBLE),yes)
%.oo: %.cc
$(ECHO_PREFIX) echo " [CXX] $< -> $@"
$(CMD_PREFIX) $(CXX) -o $@ -c $< $(MAKE_DEPS) $(CXX_CFLAGS)
endif
%.ii: %.cc
$(ECHO_PREFIX) echo " [CPP] $< -> $@"
$(CMD_PREFIX) $(CXX) -o $@ -E $< $(MAKE_DEPS) $(CXX_CFLAGS)
%.so: %.o
ifeq ($(GNU_LD),1)
$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_version_script $* "$(LINKER_SYMBOL_PREFIX)" "$(ASTTOPDIR)"
endif
$(ECHO_PREFIX) echo " [LD] $^ -> $@"
$(CMD_PREFIX) $(CC) $(STATIC_BUILD) -o $@ $(CC_LDFLAGS_SO) $^ $(CC_LIBS)
%.so: %.oo
ifeq ($(GNU_LD),1)
$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_version_script $* "$(LINKER_SYMBOL_PREFIX)" "$(ASTTOPDIR)"
endif
$(ECHO_PREFIX) echo " [LDXX] $^ -> $@"
$(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(CXX_LDFLAGS_SO) $^ $(CXX_LIBS)
%.eo: %.o
$(ECHO_PREFIX) echo " [EMBED] $< -> $@"
$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_eo_script $* > .$@.ld
$(CMD_PREFIX) $(LD) -r -T .$@.ld -o $@ $<
$(CMD_PREFIX) rm -f .$@.ld
%.eo: %.oo
$(ECHO_PREFIX) echo " [EMBED] $< -> $@"
$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_eo_script $* > .$@.ld
$(CMD_PREFIX) $(LD) -r -T .$@.ld -o $@ $<
$(CMD_PREFIX) rm -f .$@.ld
%: %.o
$(ECHO_PREFIX) echo " [LD] $^ -> $@"
$(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $^ $(CXX_LIBS) $(ASTLDFLAGS)
dist-clean:: clean