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There could come a time when the source needs to be patched before compiling. In this case the <code>patch</code> command can be used along with it's argument <code>-p</code>. For example; the OpenSceneGraph-3.4.0 requires the '0007-Explicit-signed-char-type-for-portability-base64.patch' patch, in order for it to compile for the ARM architecture. | There could come a time when the source needs to be patched before compiling. In this case the <code>patch</code> command can be used along with it's argument <code>-p</code>. For example; the OpenSceneGraph-3.4.0 requires the '0007-Explicit-signed-char-type-for-portability-base64.patch' patch, in order for it to compile for the ARM architecture. | ||
The argument ,<code>-p</code> adjusts the path of the patch. Below is an example of a snippet from a patch | In this example, the patch can be found at this link: [https://sources.debian.org/patches/openscenegraph-3.4/3.4.1+dfsg1-5/ OpenSceneGraph-3-4-0 patch]. The <code>download</code> link for '0007-Explicit-signed-char-type-for-portability-base64.patch' is what we are looking for. This file can be downloaded with the <code>wget</code> command as seen below: | ||
<syntaxhighlight>wget --trust-server-names https://sources.debian.org/src/openscenegraph-3.4/3.4.1+dfsg1-5/src/osgPlugins/osgjs/Base64.cpp/</syntaxhighlight> | |||
Place, the above patch file, into the the root folder of OpenSceneGraph-3-4-0. | |||
The argument ,<code>-p</code> adjusts the path of the patch. Below is an example of a snippet from a patch. Reference the line ,<code>--- openscenegraph-3.4.orig/src/osgDB/ConvertBase64.cpp</code>. The folder <code>openscenegraph-3.4.orig/</code> can not be used, in our example. In this case, one of the path folders need to be ignored, hence <code>-p1</code>. If two path folders needed to be ignored; <code>-p2</code>. | |||
<syntaxhighlight>Index: openscenegraph-3.4/src/osgDB/ConvertBase64.cpp | <syntaxhighlight>Index: openscenegraph-3.4/src/osgDB/ConvertBase64.cpp | ||
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value_in -= 43; | value_in -= 43; | ||
if (value_in < 0 || value_in > decoding_size) return -1;</syntaxhighlight> | if (value_in < 0 || value_in > decoding_size) return -1;</syntaxhighlight> | ||
Navigate the terminal into the root folder of OpenSceneGraph-3.4.0 source. Side note: the <code>patch</code> command might need to be installed. Now enter the below command into the terminal: | |||
<syntaxhighlight>patch -p1 <0007-Explicit-signed-char-type-for-portability-base64.patch</syntaxhighlight> | |||
===PLIB=== | ===PLIB=== |
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