1 CFLAGS_GENERIC
= "-fno-ident -fomit-frame-pointer -fno-stack-check -fno-stack-protector -mno-stack-arg-probe -fno-exceptions -fno-asynchronous-unwind-tables -ffast-math -mno-ms-bitfields -march=pentium-mmx"
2 CFLAGS_OPTIMIZE_SIZE
= "-Os -mpreferred-stack-boundary=2 " .. CFLAGS_GENERIC
3 CFLAGS_OPTIMIZE_SPEED
= "-O2 -mpush-args -mno-accumulate-outgoing-args " .. CFLAGS_GENERIC
4 -- The following could in specific cases be marginally faster CFLAGS_OPTIMIZE_SPEED,
5 -- and in all cases gives a notable overhead in size.
6 CFLAGS_OPTIMIZE_SPEED_INSANE
= "-O2 " .. CFLAGS_GENERIC
7 -- Default is optimizing by size. Override on per-project or per-file basis.
8 CFLAGS
= CFLAGS_OPTIMIZE_SIZE
10 CFLAGS_c
= "" -- extra flags for *.c
11 CFLAGS_cpp
= " -fno-rtti" -- extra flags for *.cpp
12 LDFLAGS
= "-static -nostdlib -n --file-alignment=16 --section-alignment=16"
18 function compile_gcc(input
, output
)
19 if not output
then output
= '%B.o' end
20 tup
.append_table(OBJS
,
21 tup
.foreach_rule(input
, "kos32-gcc -c " .. CFLAGS
.. "$(CFLAGS_%e) " .. INCLUDES
.. " -o %o %f", output
)
25 function link_gcc(input
, output
)
26 if not output
then input
,output
= OBJS
,input
end
28 table.insert(LIBDEPS
, STARTUP
)
29 LDFLAGS
= LDFLAGS
.. " " .. STARTUP
31 if tup
.getconfig("HELPERDIR") == "" and #LIBDEPS
then
32 if type(input
) == "string" then input
= {input
} end
33 if not input
.extra_inputs
then input
.extra_inputs
= {} end
34 tup
.append_table(input
.extra_inputs
, LIBDEPS
)
37 if type(output
) == "string" then output
= {output
} end
38 if not output
.extra_outputs
then output
.extra_outputs
= {} end
39 table.insert(output
.extra_outputs
, output
[1] .. ".map")
42 "kos32-ld " .. LDFLAGS
.. " -o %o %f -Map %o.map " .. LIBS
.. " && kos32-objcopy %o -O binary " .. tup
.getconfig("KPACK_CMD"),