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unix: Allow to build against Android down to 1.5.

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Bionic libc in Android 1.5 missed log2() and nan() functions.
This commit is contained in:
Paul Sokolovsky 2015-10-15 00:10:26 +03:00
parent d7e3b36a09
commit 74d0df7324
1 changed files with 10 additions and 0 deletions
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10
unix/mpconfigport.h
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@ -198,6 +198,16 @@ void mp_unix_mark_exec(void);
#define MICROPY_PLAT_DEV_MEM (1)
#endif
#ifdef __ANDROID__
#include <android/api-level.h>
#if __ANDROID_API__ < 4
// Bionic libc in Android 1.5 misses these 2 functions
// 1.442695040888963407354163704 is 1/_M_LN2
#define log2(x) (log(x) * 1.442695040888963407354163704)
#define nan(x) NAN
#endif
#endif
extern const struct _mp_obj_fun_builtin_t mp_builtin_input_obj;
extern const struct _mp_obj_fun_builtin_t mp_builtin_open_obj;
#define MICROPY_PORT_BUILTINS \