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Add optimal build options to CMakeLists (#1841)

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Provides two options when building RPCS3

    USE_SYSTEM_FFMPEG BOOL (default: OFF)
    USE_SYSTEM_LIBPNG BOOL (default: OFF)

These options lets the user select between the system provided and builtin libraries of ffmpeg and libpng to overcome possible system issues.

Also adds support for older libpng releases if the user doesn't have libpng 1.5 or higher.
This commit is contained in:
Lena 2016-07-01 06:07:16 +02:00 • committed by raven02
parent 246b593783
commit 869e10027d
4 changed files with 65 additions and 10 deletions
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8
README.md
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@ -48,5 +48,13 @@ If you want to build with LLVM, then LLVM 3.8 is required.
If you are on OSX and want to build with llvm don't forget to add `-DLLVM_DIR=...` (or wherever llvm brew was installed) to cmake invocation.
When using GDB, configure it to ignore SIGSEGV signal (`handle SIGSEGV nostop noprint`).
##### CMake Build Options (Linux & Mac OSX)
- ```-DUSE_SYSTEM_LIBPNG=ON/OFF``` (default = *OFF*) </br>
Build against the shared libpng instead of using the builtin one. libpng 1.6+ highly recommended. Try this option if you get version conflict errors or only see black game icons.
- ```-DUSE_SYSTEM_FFMPEG=ON/OFF``` (default = *OFF*) </br>
Build against the shared ffmpeg libraries instead of using the builtin patched version. Try this if the builtin version breaks the OpenGL renderer for you.
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