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1 | CFLAGS = "-Os -fno-ident -fomit-frame-pointer -fno-stack-check -fno-stack-protector -mno-stack-arg-probe -mpreferred-stack-boundary=2 -fno-exceptions -fno-asynchronous-unwind-tables -ffast-math -mno-ms-bitfields -march=pentium-mmx" |
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 |
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- | 3 | CFLAGS_OPTIMIZE_SPEED = "-O2 -mpush-args -mno-accumulate-outgoing-args " .. CFLAGS_GENERIC |
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- | 4 | -- The following could in specific cases be marginally faster CFLAGS_OPTIMIZE_SPEED, |
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- | 5 | -- and in all cases gives a notable overhead in size. |
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- | 6 | CFLAGS_OPTIMIZE_SPEED_INSANE = "-O2 " .. CFLAGS_GENERIC |
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- | 7 | -- Default is optimizing by size. Override on per-project or per-file basis. |
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- | 8 | CFLAGS = CFLAGS_OPTIMIZE_SIZE |
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- | 9 | ||
2 | CFLAGS_c = "" -- extra flags for *.c |
10 | CFLAGS_c = "" -- extra flags for *.c |
3 | CFLAGS_cpp = " -fno-rtti" -- extra flags for *.cpp |
11 | CFLAGS_cpp = " -fno-rtti" -- extra flags for *.cpp |
4 | LDFLAGS = "-nostdlib -n --file-alignment=16 --section-alignment=16" |
12 | LDFLAGS = "-nostdlib -n --file-alignment=16 --section-alignment=16" |
5 | INCLUDES = "" |
13 | INCLUDES = "" |
6 | LIBS = "" |
14 | LIBS = "" |
7 | LIBDEPS = {} |
15 | LIBDEPS = {} |
8 | OBJS = {} |
16 | OBJS = {} |
9 | 17 | ||
10 | function compile_gcc(input, output) |
18 | function compile_gcc(input, output) |
11 | if not output then output = '%B.o' end |
19 | if not output then output = '%B.o' end |
12 | tup.append_table(OBJS, |
20 | tup.append_table(OBJS, |
13 | tup.foreach_rule(input, "kos32-gcc -c " .. CFLAGS .. "$(CFLAGS_%e) " .. INCLUDES .. " -o %o %f", output) |
21 | tup.foreach_rule(input, "kos32-gcc -c " .. CFLAGS .. "$(CFLAGS_%e) " .. INCLUDES .. " -o %o %f", output) |
14 | ) |
22 | ) |
15 | end |
23 | end |
16 | 24 | ||
17 | function link_gcc(input, output) |
25 | function link_gcc(input, output) |
18 | if not output then input,output = OBJS,input end |
26 | if not output then input,output = OBJS,input end |
19 | if STARTUP then |
27 | if STARTUP then |
20 | table.insert(LIBDEPS, STARTUP) |
28 | table.insert(LIBDEPS, STARTUP) |
21 | LDFLAGS = LDFLAGS .. " " .. STARTUP |
29 | LDFLAGS = LDFLAGS .. " " .. STARTUP |
22 | end |
30 | end |
23 | if tup.getconfig("HELPERDIR") == "" and #LIBDEPS then |
31 | if tup.getconfig("HELPERDIR") == "" and #LIBDEPS then |
24 | if type(input) == "string" then input = {input} end |
32 | if type(input) == "string" then input = {input} end |
25 | if not input.extra_inputs then input.extra_inputs = {} end |
33 | if not input.extra_inputs then input.extra_inputs = {} end |
26 | tup.append_table(input.extra_inputs, LIBDEPS) |
34 | tup.append_table(input.extra_inputs, LIBDEPS) |
27 | end |
35 | end |
28 | 36 | ||
29 | if type(output) == "string" then output = {output} end |
37 | if type(output) == "string" then output = {output} end |
30 | if not output.extra_outputs then output.extra_outputs = {} end |
38 | if not output.extra_outputs then output.extra_outputs = {} end |
31 | table.insert(output.extra_outputs, output[1] .. ".map") |
39 | table.insert(output.extra_outputs, output[1] .. ".map") |
32 | 40 | ||
33 | tup.rule(input, |
41 | tup.rule(input, |
34 | "kos32-ld " .. LDFLAGS .. " -o %o %f -Map %o.map " .. LIBS .. " && kos32-objcopy %o -O binary " .. tup.getconfig("KPACK_CMD"), |
42 | "kos32-ld " .. LDFLAGS .. " -o %o %f -Map %o.map " .. LIBS .. " && kos32-objcopy %o -O binary " .. tup.getconfig("KPACK_CMD"), |
35 | output) |
43 | output) |
36 | end |
44 | end |