xref: /haiku/build/jam/KernelRules (revision e5d65858f2361fe0552495b61620c84dcee6bc00)
1
2rule SetupKernel
3{
4	# Usage SetupKernel <sources_or_objects> : <extra_cc_flags> : <include_private_headers> ;
5	#
6	# <sources_or_objects> - Ideally sources, otherwise HDRSEARCH can not be
7	#                        set for the sources and the sources some header
8	#                        dependencies might be missing.
9
10	local sources = [ FGristFiles $(1) ] ;
11	local objects = $(sources:S=$(SUFOBJ)) ;
12
13	# add private kernel headers
14	if $(3) != false {
15		SourceSysHdrs $(sources) : $(TARGET_PRIVATE_KERNEL_HEADERS) ;
16	}
17
18	local object ;
19	for object in $(objects) {
20		# add kernel flags for the object
21		ObjectCcFlags $(object) : $(TARGET_KERNEL_CCFLAGS) $(2) ;
22		ObjectC++Flags $(object) : $(TARGET_KERNEL_C++FLAGS) $(2) ;
23		ObjectDefines $(object) : $(TARGET_KERNEL_DEFINES) ;
24
25		# override warning flags
26		TARGET_WARNING_CCFLAGS on $(object) = $(TARGET_KERNEL_WARNING_CCFLAGS) ;
27		TARGET_WARNING_C++FLAGS on $(object)
28			= $(TARGET_KERNEL_WARNING_C++FLAGS) ;
29	}
30}
31
32rule KernelObjects
33{
34	SetupKernel $(1) : $(2) ;
35	Objects $(1) ;
36}
37
38rule KernelLd
39{
40	# KernelLd <name> : <objs> : <linkerscript> : <args> ;
41
42	LINK on $(1) = $(TARGET_LD) ;
43
44	LINKFLAGS on $(1) = $(4) ;
45	if $(3) { LINKFLAGS on $(1) += --script=$(3) ; }
46
47	# Remove any preset LINKLIBS, but link against libgcc.a. Linking against
48	# libsupc++ is opt-out.
49	local libs ;
50	if ! [ on $(1) return HAIKU_NO_LIBSUPC++ ] {
51		libs += $(TARGET_KERNEL_LIBSUPC++) ;
52	}
53	LINKLIBS on $(1) =  $(libs) $(TARGET_KERNEL_LIBGCC) ;
54
55	# TODO: Do we really want to invoke SetupKernel here? The objects should
56	# have been compiled with KernelObjects anyway, so we're doing that twice.
57	SetupKernel $(2) ;
58
59	# Show that we depend on the libraries we need
60	LocalClean clean : $(1) ;
61	LocalDepends all : $(1) ;
62	Depends $(1) : $(2) ;
63
64	MakeLocateDebug $(1) ;
65
66	on $(1) XRes $(1) : $(RESFILES) ;
67	if ! [ on $(1) return $(DONT_USE_BEOS_RULES) ] {
68		SetType $(1) ;
69		MimeSet $(1) ;
70		SetVersion $(1) ;
71	}
72}
73
74actions KernelLd bind VERSION_SCRIPT
75{
76	$(LINK) $(LINKFLAGS) -o "$(1)" "$(2)" $(LINKLIBS) \
77		--version-script=$(VERSION_SCRIPT)
78}
79
80rule KernelSo target : source
81{
82	# KernelSo <target> : <source>
83
84	Depends $(target) : <build>copyattr $(source) ;
85
86	MakeLocateDebug $(1) ;
87	KernelSo1 $(target) : <build>copyattr $(source) ;
88}
89
90actions KernelSo1
91{
92	$(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR)
93
94	$(2[1]) --data $(2[2]) $(1) &&
95	$(HAIKU_ELFEDIT) --output-type dyn $(1)
96}
97
98rule KernelAddon
99{
100	# KernelAddon <name> : <sources> : <static-libraries> : <res> ;
101	#
102	local target = $(1) ;
103	local sources = $(2) ;
104	local libs = $(3) ;
105	AddResources $(1) : $(4) ;
106
107	local kernel ;
108	local beginGlue ;
109	local endGlue ;
110	on $(target) {
111		# platform supported?
112		if ! $(PLATFORM) in $(SUPPORTED_PLATFORMS) {
113			return ;
114		}
115
116		# determine which kernel and glue code to link against
117		if $(PLATFORM) = haiku {
118			kernel = <nogrist>kernel.so ;
119			beginGlue = $(HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE) ;
120			endGlue = $(HAIKU_KERNEL_ADDON_END_GLUE_CODE) ;
121		} else if $(PLATFORM) = haiku_host {
122			kernel = /boot/develop/lib/x86/kernel.so ;
123			beginGlue = $(HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE) ;
124			endGlue = $(HAIKU_KERNEL_ADDON_END_GLUE_CODE) ;
125		} else {
126			kernel = /boot/develop/lib/x86/_KERNEL_ ;
127		}
128	}
129
130	# add glue code
131	LINK_BEGIN_GLUE on $(target) = $(beginGlue) ;
132	LINK_END_GLUE on $(target) = $(endGlue) ;
133	Depends $(target) : $(beginGlue) $(endGlue) ;
134
135	# compile and link
136	SetupKernel $(sources) : $(TARGET_KERNEL_PIC_FLAGS) : false ;
137	local linkFlags = -nostdlib -Xlinker --no-undefined
138		-Xlinker -soname=\"$(target:G=)\" $(TARGET_KERNEL_ADDON_LINKFLAGS) ;
139	LINKFLAGS on $(target) = [ on $(target) return $(LINKFLAGS) ] $(linkFlags) ;
140	Main $(target) : $(sources) ;
141	LinkAgainst $(target) : $(libs) $(kernel) ;
142}
143
144rule KernelMergeObject
145{
146	# KernelMergeObject <name> : <sources> : <extra CFLAGS> : <other objects> ;
147	# Compiles source files and merges the object files to an object file.
148	# <name>: Name of the object file to create. No grist will be added.
149	# <sources>: Sources to be compiled. Grist will be added.
150	# <extra CFLAGS>: Additional flags for compilation.
151	# <other objects>: Object files or static libraries to be merged. No grist
152	#                  will be added.
153	#
154
155	SetupKernel $(2) : $(3) ;
156	Objects $(2) ;
157	MergeObjectFromObjects $(1) : $(2:S=$(SUFOBJ)) : $(4) ;
158}
159
160rule KernelStaticLibrary
161{
162	# Usage KernelStaticLibrary <name> : <sources> : <extra cc flags>  ;
163	# This is designed to take a set of sources and libraries and create
164	# a file called lib<name>.a
165
166	SetupKernel $(2) : $(3) : false ;
167	Library $(1) : $(2) ;
168}
169
170rule KernelStaticLibraryObjects
171{
172	# Usage KernelStaticLibrary <name> : <sources> ;
173	# This is designed to take a set of sources and libraries and create
174	# a file called <name>
175
176	# Show that we depend on the libraries we need
177	SetupKernel $(2) ;
178	LocalClean clean : $(1) ;
179	LocalDepends all : $(1) ;
180	Depends $(1) : $(2) ;
181
182	MakeLocateDebug $(1) ;
183}
184
185actions KernelStaticLibraryObjects
186{
187	# Force recreation of the archive to avoid build errors caused by
188	# stale dependencies after renaming or deleting object files.
189	$(RM) "$(1)"
190	$(HAIKU_AR) -r "$(1)" "$(2)" ;
191}
192