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|
NOTFILE libs dlls objs lists ;
ALL_LIBS_TO_BUILD ?= libs dlls ;
BUILDMODE ?= obj ;
LIBPREFIX ?= lib ;
LIBLISTSUFFIX ?= .list ;
TOUCH = touch ;
if $(UNIX)
{
PUSHD = "( cd" ;
POPD = ")" ;
LDSHARE ?= ld ;
LDSHARE_FLAGS ?= -G ;
SUFLIBSHR ?= .so ;
ECHO = echo ;
}
else if $(BEOS)
{
}
makeDirName LIBDIR : $(TOP) $(BUILDMODE) ;
rule LibMember
{
# $(1) is short name of lib these sources are destined for.
# $(2) is list of source files.
local l o ;
SOURCE_GRIST = ; # (Implicit grist is a pain.)
makeDirName LOCATE_TARGET : $(LIBDIR) lib$(1) ;
#
# e.g., binaries for 'foo' library go in $TOP/debug/libfoo
# directory.
Objects $(2) ;
# Set up a list file for this library:
getLibListName l : $(1) ;
LOCATE on $(l) = $(LIBDIR) ;
#
# e.g., for the 'foo' library, the list file is
# $TOP/debug/libfoo.list.
if ! $(LIST-STARTED-$(<))
{
LIST-STARTED-$(<) = true ;
RemoveExistingFile $(l) : $(l) ;
#
# The RemoveTarget rule has to be invoked once only,
# and before any of the EchoToFile rules are invoked.
}
o = $(2:S=$(SUFOBJ):G=:D=lib$(1)) ;
NOTFILE $(o) ;
#
# $(o) is a list of object file names, sans grist, and
# qualified by the subdir in which it is stored. Thus,
# each element of $(o) uniquely identifies a compiled object
# associated with a built library. Elements of $(o) will be
# used as dependencies but are not bindable.
EchoToFile $(l) : $(o) ;
Depends $(l) : $(2:S=$(SUFOBJ)) ;
#
# The list file depends on the compiled objects. If any
# of them are newer, the list file gets recreated. Seems odd,
# but it works, because a list is only updated when you're
# updating a library.
Depends objs : $(2:S=$(SUFOBJ)) ;
}
rule BuildLib
{
# $(1) is short name of lib to build.
# $(2) is list of dependent lib short names
# $(3) is .def file, for NT.
# $(4) is list of join lib short names.
local list libs ;
SOURCE_GRIST = ;
if $(LIB$(1))
{
Exit BuildLib used more than once on $(1) ;
}
LIB$(1) = $(LIBPREFIX)$(1)$(SUFLIB) ;
DLL$(1) = $(LIBPREFIX)$(1)$(SUFLIBSHR) ;
libs = $(LIB$(1)) $(DLL$(1)) ;
MakeLocate $(libs) : $(LIBDIR) ;
if $(4)
{
getLibListName list : $(4) ;
}
else
{
getLibListName list : $(1) ;
MakeLocate $(list) : $(LIBDIR) ;
Clean clean : $(list) ;
Depends lists : $(list) ;
}
Depends $(libs) : $(list) ;
LIBLIST on $(libs) = $(list) ;
LDSHARE_FLAGS on $(DLL$(1)) += $(LDSHARE_FLAGS) ;
if $(BEOS)
{
}
else
{
LinkDynamicLib $(DLL$(1)) ;
RemoveExistingFile $(LIB$(1)) : $(LIB$(1)) ;
ArchiveStaticLib $(LIB$(1)) ;
if $(RANLIB)
{
Ranlib $(LIB$(<)) ;
}
}
Depends libs : $(LIB$(1)) ;
Depends dlls : $(DLL$(1)) ;
Depends all : $(ALL_LIBS_TO_BUILD) ;
Clean clean : $(libs) ;
}
actions quietly existing RemoveExistingFile
{
$(RM) $(>)
}
actions quietly together piecemeal EchoToFile
{
$(ECHO) $(>) >> $(<)
}
rule getLibListName
{
# $(1) is var to set.
# $(2) is lib short name.
#
# E.g., "getLibListName l : foo ;" sets
# l to libfoo.list.
$(1) = lib$(2:S=$(LIBLISTSUFFIX)) ;
}
if $(UNIX)
{
actions LinkDynamicLib
{
$(PUSHD) $(<:D)
$(LDSHARE) $(LDSHARE_FLAGS) $(LDSHARE_NAME_FLAG)$(<:BS) -o $(<:BS) `cat $(LIBLIST:BS) `
$(POPD)
}
actions ArchiveStaticLib
{
$(PUSHD) $(<:D)
$(AR) $(<:BS) `cat $(LIBLIST:BS) `
$(POPD)
}
}
else if $(BEOS)
{
actions LinkDynamicLib
{
}
actions ArchiveStaticLib
{
}
}
actions quietly TouchFile
{
$(TOUCH) $(<)
}
|
