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https://origsvn.digium.com/svn/asterisk/trunk ................ r207680 | kpfleming | 2009-07-21 08:28:04 -0500 (Tue, 21 Jul 2009) | 18 lines Merged revisions 207647 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r207647 | kpfleming | 2009-07-21 08:04:44 -0500 (Tue, 21 Jul 2009) | 12 lines Ensure that user-provided CFLAGS and LDFLAGS are honored. This commit changes the build system so that user-provided flags (in ASTCFLAGS and ASTLDFLAGS) are supplied to the compiler/linker *after* all flags provided by the build system itself, so that the user can effectively override the build system's flags if desired. In addition, ASTCFLAGS and ASTLDFLAGS can now be provided *either* in the environment before running 'make', or as variable assignments on the 'make' command line. As a result, the use of COPTS and LDOPTS is no longer necessary, so they are no longer documented, but are still supported so as not to break existing build systems that supply them when building Asterisk. ........ ................ git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@207684 65c4cc65-6c06-0410-ace0-fbb531ad65f3
128 lines
4.0 KiB
Makefile
128 lines
4.0 KiB
Makefile
#
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# Asterisk -- A telephony toolkit for Linux.
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#
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# Makefile rules
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#
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# Copyright (C) 2006-2008, Digium, Inc.
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#
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# Kevin P. Fleming <kpfleming@digium.com>
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#
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# This program is free software, distributed under the terms of
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# the GNU General Public License
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#
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# Each command is preceded by a short comment on what to do.
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# Prefixing one or the other with @\# or @ or nothing makes the desired
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# behaviour. ECHO_PREFIX prefixes the comment, CMD_PREFIX prefixes the command.
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-include $(ASTTOPDIR)/makeopts
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.PHONY: dist-clean
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# If 'make' decides to create intermediate files to satisfy a build requirement
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# (like producing a .i from a .c), we want to keep them, so tell make to keep
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# all intermediate files
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.SECONDARY:
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# extra cflags to build dependencies. Recursively expanded.
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MAKE_DEPS=-MD -MT $@ -MF .$(subst /,_,$@).d -MP
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ifeq ($(NOISY_BUILD),)
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ECHO_PREFIX=@
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CMD_PREFIX=@
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else
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ECHO_PREFIX=@\#
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CMD_PREFIX=
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endif
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OPTIMIZE?=-O6
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ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS)),)
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_ASTCFLAGS+=$(OPTIMIZE)
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endif
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# shortcuts for common combinations of flags; these must be recursively expanded so that
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# per-target settings will be applied
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CC_CFLAGS=$(PTHREAD_CFLAGS) $(_ASTCFLAGS) $(ASTCFLAGS)
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CXX_CFLAGS=$(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations $(AST_DECLARATION_AFTER_STATEMENT),$(_ASTCFLAGS) $(ASTCFLAGS))
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CC_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(ASTLDFLAGS)
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CXX_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(ASTLDFLAGS)
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CC_LIBS=$(PTHREAD_LIBS) $(LIBS)
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CXX_LIBS=$(PTHREAD_LIBS) $(LIBS)
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# determine whether to double-compile so that the optimizer can report code path problems
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# this is only done when developer mode and DONT_OPTIMIZE are both enabled
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# in that case, we run the preprocessor to produce a .i or .ii file from the source
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# code, then compile once with optimizer enabled (and the output to /dev/null),
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# and if that doesn't fail then compile again with optimizer disabled
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ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_DEVMODE),DONT_OPTIMIZEyes)
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COMPILE_DOUBLE=yes
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endif
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%.o: %.s
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$(ECHO_PREFIX) echo " [AS] $< -> $@"
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ifeq ($(COMPILE_DOUBLE),yes)
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$(CMD_PREFIX) $(CC) -o /dev/null -c $< $(OPTIMIZE) $(CC_CFLAGS)
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endif
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$(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS)
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%.o: %.i
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$(ECHO_PREFIX) echo " [CCi] $< -> $@"
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ifeq ($(COMPILE_DOUBLE),yes)
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$(CMD_PREFIX) $(CC) -o /dev/null -c $< $(OPTIMIZE) $(CC_CFLAGS)
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endif
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$(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS)
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ifneq ($(COMPILE_DOUBLE),yes)
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%.o: %.c
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$(ECHO_PREFIX) echo " [CC] $< -> $@"
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$(CMD_PREFIX) $(CC) -o $@ -c $< $(MAKE_DEPS) $(CC_CFLAGS)
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endif
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%.i: %.c
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$(ECHO_PREFIX) echo " [CPP] $< -> $@"
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$(CMD_PREFIX) $(CC) -o $@ -E $< $(MAKE_DEPS) $(CC_CFLAGS)
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%.oo: %.ii
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$(ECHO_PREFIX) echo " [CXXi] $< -> $@"
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ifeq ($(COMPILE_DOUBLE),yes)
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$(CMD_PREFIX) $(CXX) -o /dev/null -c $< $(OPTIMIZE) $(CXX_CFLAGS)
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endif
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$(CMD_PREFIX) $(CXX) -o $@ -c $< $(CXX_CFLAGS)
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ifneq ($(COMPILE_DOUBLE),yes)
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%.oo: %.cc
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$(ECHO_PREFIX) echo " [CXX] $< -> $@"
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$(CMD_PREFIX) $(CXX) -o $@ -c $< $(MAKE_DEPS) $(CXX_CFLAGS)
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endif
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%.ii: %.cc
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$(ECHO_PREFIX) echo " [CPP] $< -> $@"
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$(CMD_PREFIX) $(CXX) -o $@ -E $< $(MAKE_DEPS) $(CXX_CFLAGS)
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%.so: %.o
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$(ECHO_PREFIX) echo " [LD] $^ -> $@"
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$(CMD_PREFIX) $(CC) $(STATIC_BUILD) -o $@ $(CC_LDFLAGS_SO) $^ $(CC_LIBS)
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%.so: %.oo
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$(ECHO_PREFIX) echo " [LDXX] $^ -> $@"
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$(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(CXX_LDFLAGS_SO) $^ $(CXX_LIBS)
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%.eo: %.o
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$(ECHO_PREFIX) echo " [EMBED] $< -> $@"
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$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_eo_script $* > .$@.ld
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$(CMD_PREFIX) $(LD) -r -T .$@.ld -o $@ $<
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$(CMD_PREFIX) rm -f .$@.ld
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%.eo: %.oo
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$(ECHO_PREFIX) echo " [EMBED] $< -> $@"
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$(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_eo_script $* > .$@.ld
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$(CMD_PREFIX) $(LD) -r -T .$@.ld -o $@ $<
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$(CMD_PREFIX) rm -f .$@.ld
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%: %.o
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$(ECHO_PREFIX) echo " [LD] $^ -> $@"
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$(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $^ $(CXX_LIBS) $(ASTLDFLAGS)
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dist-clean:: clean
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