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46 lines
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46 lines
2.2 KiB
Plaintext
Executable File
You may generate GNU makefiles for building SDL2 and its related test suite by
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using the gmake shell script in the Linux/build-scripts folder.
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Linux support is currently experimental for the meta-build system. Most of the
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progress made on this support happened toward the end of the meta-build system
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project, so there is a lot currently missing that could be added in the future.
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For the most part, the Linux support works well, but there is a significant
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amount of testing needed to verify it can be built in many different
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environments.
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The Linux project does not target every dependency it should (as seen in the
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autotools configure script or in the CMake script), but it does target the
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following dependencies:
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-D-Bus (required to build Linux at all)
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-DLOpen (most of the other dependencies are dependent on this)
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-ALSA
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-PulseAudio
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-ESD
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-NAS
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-OSS
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-X11
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-OpenGL
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Also, the Linux system should be building the SDL2 library as a shared library,
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but it builds it as a static library because of a few premake-related issues.
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This is because when the makefile generated by premake tells the linker where to
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find the definitions library (libSDL2.o), it also gives a hint to the loader to
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find libSDL2.so in the same place, with a relative path. This means in order to
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execute the program dynamically linked to SDL2, it's looking in some path like:
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"../../SDL2/Build/Debug"
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Now, while this path works at the location of the makefile (such as
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./tests/testsprite), it does not make sense from the actual location of the
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executable (./tests/testsprite/Build/Debug). Furthermore, it's just massively
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inconvenient to have a relative path to look for the shared object. Moving
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libSDL2.so into the same directory as the executable does not solve this issue.
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Unfortunately, premake also does not allow an install target to be created for
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the makefiles, which is another one of the major issues related to building SDL2
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as a shared library on Linux. Once these problems are solved, this support
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should be very straightforward to add to this system in the future.
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The Linux system does have both an automated test and cleaning shell files for
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running through the entire supported test suite and cleaning up the generated
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and built files, respectively. |