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Android: Add ImportC definitions #5104

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Android: Add ImportC definitions #5104

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b093829
Android: Add ImportC definitions
eakmyr Mar 25, 2026
c5016df
ImportC: sizeof to _Alignof
eakmyr Mar 25, 2026
9845384
Remove obsolete builtins
eakmyr Mar 26, 2026
9368930
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eakmyr Mar 27, 2026
be7a0a3
Remove __alignof__ from Android
eakmyr Mar 27, 2026
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14 changes: 14 additions & 0 deletions runtime/druntime/src/importc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -201,3 +201,17 @@ typedef struct {} __SVFloat64_t;
#if __APPLE__
#undef __SIZEOF_INT128__
#endif

#if __ANDROID__
#undef __SIZEOF_INT128__
#define __GNUC_VA_LIST
#define _VA_LIST
#define __builtin_va_list va_list
#define __gnuc_va_list va_list

// This macro resolves the ambiguity between Bionic and library ioctl.
// https://android.googlesource.com/platform/bionic/+/master/libc/include/bits/ioctl.h
#define BIONIC_IOCTL_NO_SIGNEDNESS_OVERLOAD

#define __sync_synchronize()
#endif
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