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newlib/impure: sync with newlib(4.2.0) reent update

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arm-none-eabi-ld: nuttx/staging/libc.a(lib_impure.o):(.data.impure_data+0x4): undefined reference to `__sf'
arm-none-eabi-ld: nuttx/staging/libc.a(lib_impure.o):(.data.impure_data+0x8): undefined reference to `__sf'
arm-none-eabi-ld: nuttx/staging/libc.a(lib_impure.o):(.data.impure_data+0xc): undefined reference to `__sf'

Toolchain:
  Version: GNU Arm Embedded Toolchain to Version 11.3.Rel1(August 8, 2022)
  Tar:     arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-eabi.tar.xz

Break change:
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b0cb9f85ca3626e0e68fd451c3090d253ceb4300

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2022-10-11 15:24:02 +08:00 committed by Xiang Xiao
parent 09a06e7fce
commit 83a3fd9780
1 changed files with 5 additions and 1 deletions
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6
libs/libc/misc/lib_impure.c
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@ -44,10 +44,14 @@
* Public Functions
****************************************************************************/
#ifdef _REENT_SMALL
#if defined(_REENT_SMALL) && \
(defined(__NEWLIB__) || __NEWLIB__ < 4 || \
__NEWLIB__ == 4 && __NEWLIB_MINOR__ < 2)
extern struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE((weak));
extern struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE((weak));
extern struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE((weak));
#else
extern __FILE __sf[3] _ATTRIBUTE((weak));
#endif
static struct _reent __ATTRIBUTE_IMPURE_DATA__