96e4e31eeb
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/trunk@207680 65c4cc65-6c06-0410-ace0-fbb531ad65f3
160 lines
5.4 KiB
Makefile
160 lines
5.4 KiB
Makefile
#
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# Asterisk -- A telephony toolkit for Linux.
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#
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# Makefile rules for subdirectories containing modules
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#
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# Copyright (C) 2006, 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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# Makefile rules for building modules.
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# In most cases, we set target-specific variables for certain targets
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# (remember that they apply recursively to prerequisites).
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# Also note that we can only set one variable per rule, so we have to
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# repeat the left hand side to set multiple variables.
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ifeq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
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_ASTCFLAGS+=${GC_CFLAGS}
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endif
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ifneq ($(findstring STATIC_BUILD,$(MENUSELECT_CFLAGS)),)
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STATIC_BUILD=-static
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endif
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include $(ASTTOPDIR)/Makefile.rules
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# If MODULE_PREFIX is defined, use it to run the standard functions to set
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# C_MODS, CC_MODS, LOADABLE_MODS and EMBEDDED_MODS.
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# Each word of MODULE_PREFIX is a prefix for filenames that we consider
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# valid C or CC modules (eg. app, func ...). Note that the underscore
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# is added here, and does not need to be in MODULE_PREFIX
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#
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# Use MODULE_EXCLUDE to specify additional modules to exclude.
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ifneq ($(MODULE_PREFIX),)
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ALL_C_MODS:=
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ALL_CC_MODS:=
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ALL_C_MODS+=$(foreach p,$(MODULE_PREFIX),$(patsubst %.c,%,$(wildcard $(p)_*.c)))
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ALL_CC_MODS+=$(foreach p,$(MODULE_PREFIX),$(patsubst %.cc,%,$(wildcard $(p)_*.cc)))
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endif
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C_MODS:=$(filter-out $(MENUSELECT_$(MENUSELECT_CATEGORY)),$(ALL_C_MODS))
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CC_MODS:=$(filter-out $(MENUSELECT_$(MENUSELECT_CATEGORY)),$(ALL_CC_MODS))
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ifneq ($(findstring $(MENUSELECT_CATEGORY),$(MENUSELECT_EMBED)),)
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EMBEDDED_MODS:=$(C_MODS) $(CC_MODS)
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else
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LOADABLE_MODS:=$(C_MODS) $(CC_MODS)
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endif
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# Both C++ and C++ sources need their module name in AST_MODULE
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# We also pass whatever _INCLUDE list is generated by menuselect
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# (they are stored in file 'makeopts')
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$(addsuffix .oo,$(CC_MODS)) $(addsuffix .o,$(C_MODS)): \
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_ASTCFLAGS+= -DAST_MODULE=\"$*\" $(MENUSELECT_OPTS_$*:%=-D%) $(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_INCLUDE))
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ifeq ($(findstring $(OSARCH), mingw32 cygwin ),)
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# don't define -fPIC on mingw32 and cygwin, it is the default
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$(LOADABLE_MODS:%=%.so): _ASTCFLAGS+=-fPIC
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endif
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# For loadable modules, pass _LIB and _LDFLAGS from menuselect.
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$(LOADABLE_MODS:%=%.so): LIBS+=$(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_LIB))
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$(LOADABLE_MODS:%=%.so): _ASTLDFLAGS+=$(foreach dep,$(MENUSELECT_DEPENDS_$*),$(value $(dep)_LDFLAGS))
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$(EMBEDDED_MODS:%=%.o): _ASTCFLAGS+=-DEMBEDDED_MODULE=$*
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$(addsuffix .so,$(filter $(LOADABLE_MODS),$(C_MODS))): %.so: %.o
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$(addsuffix .so,$(filter $(LOADABLE_MODS),$(CC_MODS))): %.so: %.oo
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modules.link: $(addsuffix .eo,$(filter $(EMBEDDED_MODS),$(C_MODS)))
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.PHONY: clean uninstall _all moduleinfo makeopts
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ifneq ($(LOADABLE_MODS),)
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_all: $(LOADABLE_MODS:%=%.so)
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ifneq ($(findstring $(OSARCH), mingw32 cygwin ),)
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# linker options and extra libraries for cygwin
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SOLINK=-Wl,--out-implib=lib$@.a -shared
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LIBS+=-L$(ASTTOPDIR)/main -lasterisk -L$(ASTTOPDIR)/res $($@_LIBS)
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# additional libraries in res/
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endif
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endif
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ifneq ($(EMBEDDED_MODS),)
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_all: modules.link
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__embed_ldscript:
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@echo "../$(SUBDIR)/modules.link"
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__embed_ldflags:
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@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(C_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LDFLAGS))"
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@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(CC_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LDFLAGS))"
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__embed_libs:
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@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(C_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LIB))"
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@echo "$(foreach mod,$(filter $(EMBEDDED_MODS),$(CC_MODS)),$(foreach dep,$(MENUSELECT_DEPENDS_$(mod)),$(dep)_LIB))"
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else
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__embed_ldscript:
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__embed_ldflags:
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__embed_libs:
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endif
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modules.link:
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@rm -f $@
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@for file in $(patsubst %,$(SUBDIR)/%,$(filter %.eo,$^)); do echo "INPUT (../$${file})" >> $@; done
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@for file in $(patsubst %,$(SUBDIR)/%,$(filter-out %.eo,$^)); do echo "INPUT (../$${file})" >> $@; done
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clean::
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rm -f *.so *.o *.oo *.eo *.i *.ii
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rm -f .*.d
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rm -f *.s *.i
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rm -f modules.link
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install:: all
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@echo "Installing modules from `basename $(CURDIR)`..."
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@for x in $(LOADABLE_MODS:%=%.so); do $(INSTALL) -m 755 $$x $(DESTDIR)$(MODULES_DIR) ; done
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uninstall::
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dist-clean::
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rm -f .*.moduleinfo .moduleinfo
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rm -f .*.makeopts .makeopts
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.%.moduleinfo: %.c
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@echo "<member name=\"$*\" displayname=\"$(shell $(GREP) -e AST_MODULE_INFO $< | head -n 1 | cut -d '"' -f 2)\" remove_on_change=\"$(SUBDIR)/$*.o $(SUBDIR)/$*.so\">" > $@
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$(AWK) -f $(ASTTOPDIR)/build_tools/get_moduleinfo $< >> $@
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echo "</member>" >> $@
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.%.moduleinfo: %.cc
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@echo "<member name=\"$*\" displayname=\"$(shell $(GREP) -e AST_MODULE_INFO $< | head -n 1 | cut -d '"' -f 2)\" remove_on_change=\"$(SUBDIR)/$*.oo $(SUBDIR)/$*.so\">" > $@
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$(AWK) -f $(ASTTOPDIR)/build_tools/get_moduleinfo $< >> $@
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echo "</member>" >> $@
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.moduleinfo:: $(addsuffix .moduleinfo,$(addprefix .,$(ALL_C_MODS) $(ALL_CC_MODS)))
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@echo "<category name=\"MENUSELECT_$(MENUSELECT_CATEGORY)\" displayname=\"$(MENUSELECT_DESCRIPTION)\" remove_on_change=\"$(SUBDIR)/modules.link\">" > $@
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@cat $^ >> $@
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@echo "</category>" >> $@
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moduleinfo: .moduleinfo
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@cat $<
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.%.makeopts: %.c
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@$(AWK) -f $(ASTTOPDIR)/build_tools/get_makeopts $< > $@
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.%.makeopts: %.cc
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@$(AWK) -f $(ASTTOPDIR)/build_tools/get_makeopts $< > $@
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.makeopts:: $(addsuffix .makeopts,$(addprefix .,$(ALL_C_MODS) $(ALL_CC_MODS)))
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@cat $^ > $@
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makeopts: .makeopts
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@cat $<
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ifneq ($(wildcard .*.d),)
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include .*.d
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endif
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