| author | Oleksandr Gavenko <gavenkoa@gmail.com> |
| Sat, 20 Feb 2016 23:13:00 +0200 | |
| changeset 1894 | 2e3bc2435d68 |
| parent 279 | code-size.rst@061995ef35d2 |
| child 1905 | fba288d59662 |
| permissions | -rw-r--r-- |
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2e3bc2435d68
Convert all files from TXT to RST.
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parents:
279
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.. -*- coding: utf-8; -*- |
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2e3bc2435d68
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.. include:: HEADER.rst |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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=========================== |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
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Reducing binary code size |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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=========================== |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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.. contents:: |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
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Common receipt |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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============== |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
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Configure build with disabling unused features e.g.:: |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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$ ./configure --without-png |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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Link dynamically instead statically (on your platform shared library may be |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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already present). |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
19 |
Avoid debug build. Make release/final build instead debug. |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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Use packers. Packer compress binary so binary smaller. When program load |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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decompress itself, so startup time increase. |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
24 |
Binary packers:: |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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http://upx.sourceforge.net |
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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|
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Home page. |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
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GCC |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
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====== |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
31 |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
32 |
Use ``-Os`` when produces ``*.o`` files. |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
34 |
Use ``-s`` when produces executable. And ``--remove-section=.comment`` and |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
35 |
``--remove-section=.note"``. |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
37 |
Use:: |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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$ strip --strip-all <executable> |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
41 |
and:: |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
43 |
$ gcc -ffunction-sections -fdata-sections -c -o my.o my.c |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
44 |
$ gcc -Wl,--gc-sections -o my my.o |
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061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
45 |
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
46 |
MSVC |
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2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
47 |
==== |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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1894
2e3bc2435d68
Convert all files from TXT to RST.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
279
diff
changeset
|
49 |
Use ``/Os`` when produces ``*.obj`` files. |
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279
061995ef35d2
How reduce biraries size.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
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