haiku/build/jam/KernelRules

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rule SetupKernel
{
# Usage SetupKernel <sources_or_objects> : <extra_cc_flags>;
#
# <sources_or_objects> - Ideally sources, otherwise HDRSEARCH can not be
# set for the sources and the sources some header
# dependencies might be missing.
local sources = [ FGristFiles $(1) ] ;
local objects = $(sources:S=$(SUFOBJ)) ;
# add private kernel headers
SourceSysHdrs $(sources) : $(TARGET_PRIVATE_KERNEL_HEADERS) ;
local object ;
for object in $(objects) {
# add kernel flags for the object
ObjectCcFlags $(object) : $(TARGET_KERNEL_CCFLAGS) $(2) ;
ObjectC++Flags $(object) : $(TARGET_KERNEL_C++FLAGS) $(2) ;
# override warning flags
TARGET_WARNING_CCFLAGS on $(object) = $(TARGET_KERNEL_WARNING_CCFLAGS) ;
TARGET_WARNING_C++FLAGS on $(object)
= $(TARGET_KERNEL_WARNING_C++FLAGS) ;
}
}
rule KernelObjects
{
SetupKernel $(1) : $(2) ;
Objects $(1) ;
}
rule KernelLd
{
# KernelLd <name> : <objs> : <linkerscript> : <args> ;
LINK on $(1) = $(TARGET_LD) ;
LINKFLAGS on $(1) = $(4) ;
if $(3) { LINKFLAGS on $(1) += --script=$(3) ; }
# Remove any preset LINKLIBS, but link against libgcc.a
LINKLIBS on $(1) = $(TARGET_STATIC_LIBSUPC++) $(TARGET_GCC_LIBGCC) ;
# TODO: Do we really want to invoke SetupKernel here? The objects should
# have been compiled with KernelObjects anyway, so we're doing that twice.
SetupKernel $(2) ;
# Show that we depend on the libraries we need
LocalClean clean : $(1) ;
LocalDepends all : $(1) ;
Depends $(1) : $(2) ;
MakeLocateDebug $(1) ;
}
actions KernelLd
{
$(LINK) $(LINKFLAGS) -o "$(1)" "$(2)" $(LINKLIBS) ;
}
rule KernelAddon
{
# KernelAddon <name> : <relpath> : <sources> : <static-libraries> ;
#
# TODO: <relpath> no longer needed!
local target = $(1) ;
local sources = $(3) ;
local libs = $(4) ;
local kernel ;
local beginGlue ;
local endGlue ;
on $(target) {
# platform supported?
if ! $(PLATFORM) in $(SUPPORTED_PLATFORMS) {
return ;
}
# determine which kernel and glue code to link against
if $(PLATFORM) = haiku {
kernel = <nogrist>kernel.so ;
beginGlue = $(HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE) ;
endGlue = $(HAIKU_KERNEL_ADDON_END_GLUE_CODE) ;
} else {
kernel = /boot/develop/lib/x86/_KERNEL_ ;
}
}
# add glue code
LINK_BEGIN_GLUE on $(target) = $(beginGlue) ;
LINK_END_GLUE on $(target) = $(endGlue) ;
Depends $(target) : $(beginGlue) $(endGlue) ;
# compile and link
SetupKernel $(sources) : $(TARGET_KERNEL_PIC_FLAGS) ;
local linkFlags = -nostdlib -Xlinker -soname=\"$(target)\" ;
LINKFLAGS on $(target) = [ on $(target) return $(LINKFLAGS) ] $(linkFlags) ;
Main $(target) : $(sources) ;
LinkAgainst $(target) : $(libs) $(kernel) ;
}
rule KernelMergeObject
{
# KernelMergeObject <name> : <sources> : <extra CFLAGS> : <other objects> ;
# Compiles source files and merges the object files to an object file.
# <name>: Name of the object file to create. No grist will be added.
# <sources>: Sources to be compiled. Grist will be added.
# <extra CFLAGS>: Additional flags for compilation.
# <other objects>: Object files or static libraries to be merged. No grist
# will be added.
#
SetupKernel $(2) : $(3) ;
Objects $(2) ;
MergeObjectFromObjects $(1) : $(2:S=$(SUFOBJ)) : $(4) ;
}
rule KernelStaticLibrary
{
# Usage KernelStaticLibrary <name> : <sources> : <extra cc flags> ;
# This is designed to take a set of sources and libraries and create
# a file called lib<name>.a
SetupKernel $(2) : $(3) ;
Library $(1) : $(2) ;
}
rule KernelStaticLibraryObjects
{
# Usage KernelStaticLibrary <name> : <sources> ;
# This is designed to take a set of sources and libraries and create
# a file called <name>
# Show that we depend on the libraries we need
SetupKernel $(2) ;
LocalClean clean : $(1) ;
LocalDepends all : $(1) ;
Depends $(1) : $(2) ;
MakeLocateDebug $(1) ;
}
actions KernelStaticLibraryObjects
{
$(HAIKU_AR) -r "$(1)" "$(2)" ;
}