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pfalconpfalcon
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unix: Allow to build against Android down to 1.5.
Bionic libc in Android 1.5 missed log2() and nan() functions.
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‎unix/mpconfigport.h‎

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@@ -198,6 +198,16 @@ void mp_unix_mark_exec(void);
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#define MICROPY_PLAT_DEV_MEM (1)
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#endif
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#ifdef __ANDROID__
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#include <android/api-level.h>
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#if __ANDROID_API__ < 4
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// Bionic libc in Android 1.5 misses these 2 functions
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// 1.442695040888963407354163704 is 1/_M_LN2
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#define log2(x) (log(x) * 1.442695040888963407354163704)
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#define nan(x) NAN
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#endif
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#endif
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extern const struct _mp_obj_fun_builtin_t mp_builtin_input_obj;
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extern const struct _mp_obj_fun_builtin_t mp_builtin_open_obj;
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#define MICROPY_PORT_BUILTINS \

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