| author | Oleksandr Gavenko <gavenkoa@gmail.com> |
| Fri, 11 Sep 2009 15:29:13 +0300 | |
| changeset 193 | 635ce059b359 |
| child 194 | c9a5f5dad40d |
| permissions | -rw-r--r-- |
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193
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
1 |
-*- mode: outline; coding: utf-8 -*- |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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* Remove dead code. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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STRIP_DEAD_CODE = -Wl,-static -fvtable-gc -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,-s |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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-Wl,-static |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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Link against static libraries. Required for dead-code |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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elimination. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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-fvtable-gc |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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C++ virtual method table instrumented with garbage collection |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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information for the linker. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
15 |
-fdata-sections |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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Keeps data in separate data sections, so they can be discarded |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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if unused. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
19 |
-ffunction-sections |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
20 |
Keeps funcitons in separate data sections, so they can be |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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discarded if unused. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
23 |
-Wl,--gc-sections |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
24 |
Tell the linker to garbage collect and discard unused |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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sections. |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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-s |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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Strip the debug information, so as to make the code as small |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
29 |
as possible. (I presume that you'd want to do this in a |
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635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
30 |
dead-code removal build.) |
|
635ce059b359
Remove dead code by gcc.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
31 |