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@@ -16,16 +16,18 @@ Currently, SDL for RISC OS only supports compiling with GCCSDK under Linux. Both
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The following commands can be used to build SDL for RISC OS using autoconf:
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- ./configure --host=arm-unknown-riscos --prefix=$GCCSDK_INSTALL_ENV --disable-gcc-atomics
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+ ./configure --host=arm-unknown-riscos --prefix=$GCCSDK_INSTALL_ENV
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make
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make install
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The following commands can be used to build SDL for RISC OS using CMake:
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- cmake -Bbuild-riscos -DCMAKE_TOOLCHAIN_FILE=$GCCSDK_INSTALL_ENV/toolchain-riscos.cmake -DRISCOS=ON -DCMAKE_INSTALL_PREFIX=$GCCSDK_INSTALL_ENV -DCMAKE_BUILD_TYPE=Release -DSDL_GCC_ATOMICS=OFF
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+ cmake -Bbuild-riscos -DCMAKE_TOOLCHAIN_FILE=$GCCSDK_INSTALL_ENV/toolchain-riscos.cmake -DRISCOS=ON -DCMAKE_INSTALL_PREFIX=$GCCSDK_INSTALL_ENV -DCMAKE_BUILD_TYPE=Release
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cmake --build build-riscos
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cmake --build build-riscos --target install
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+When using GCCSDK 4.7.4 release 6 or earlier versions, the builtin atomic functions are broken, meaning it's currently necessary to compile with `--disable-gcc-atomics` using autotools or `-DSDL_GCC_ATOMICS=OFF` using CMake. Newer versions of GCCSDK don't have this problem.
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+
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Current level of implementation
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-------------------------------
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@@ -36,6 +38,4 @@ The filesystem APIs return either Unix-style paths or RISC OS-style paths based
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The audio, loadso, thread and timer APIs are currently provided by UnixLib.
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-GCC atomics are currently broken on some platforms, meaning it's currently necessary to compile with `--disable-gcc-atomics` using autotools or `-DSDL_GCC_ATOMICS=OFF` using CMake.
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-
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The joystick, locale and power APIs are not yet implemented.
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Cameron Cawley