cannot locate symbol "log2" referenced by "libMGD.so" Android firmware 4.2.2

Thank you for the answer, i'll check it.

the command is System.loadLibrary("MGD");
in my java side of the code.

Thank you for the answer, i'll check it.

the command is System.loadLibrary("MGD");
in my java side of the code.

If your system does not have log2, I don't know what would be the best workaround, as I do not think that it is possible to abuse LD_PRELOAD with Java System.loadLibrary.

The "not-too-ugly" way would be to :

• compile a new library which defines log2 "in a way that makes sense",
• make the library depend on libMGD.so during the linking process,
• load-it.

The really ugly way would be to :

• compile a math library for ARM soft-float which defines all the math symbols required by libMGD.so,
• call it something like libk.so (keep the 'lib' + one letter + '.so' pattern),
• hexedit libMGD.so and replace references to libm.so by 'libk.so,
• put 'libk.so' and 'libMGD.so' in the same folder,
• System.loadLibrary('libk.so') and then System.loadLibrary('libMGD.so').

Very ugly hack, though.