libc: newlib revision daf48a0d3 with various space-saving measures:

* --enable-newlib-reent-small
* Compiled with -DHAVE_ABORT -DHAVE_SIGNAL
* Default fd buffer size shrunk to 128 bytes (ref #52)

Full build options:
../configure --with-newlib --enable-multilib --disable-newlib-io-c99-formats --disable-newlib-io-long-long --disable-newlib-io-float --disable-newlib-io-long-double --enable-newlib-supplied-syscalls --enable-target-optspace --program-transform-name="s&^&xtensa-lx106-elf-&" --disable-option-checking --with-target-subdir=xtensa-lx106-elf --target=xtensa-lx106-elf --prefix=/home/gus/dev/esp/rtos/open-rtos/libc/ --enable-newlib-nano-malloc --enable-newlib-nano-formatted-io --enable-newlib-reent-small
CROSS_CFLAGS="-DSIGNAL_PROVIDED -DABORT_PROVIDED" make
This commit is contained in:
Angus Gratton 2015-09-28 21:26:53 +10:00
parent 3ceadfc0a6
commit f69791729e
5 changed files with 3 additions and 1 deletions

View file

@ -31,7 +31,7 @@
/* Optional reentrant struct support. Used mostly on platforms with
very restricted storage. */
/* #undef _WANT_REENT_SMALL */
#define _WANT_REENT_SMALL 1
/* Multibyte supported */
/* #undef _MB_CAPABLE */

View file

@ -188,6 +188,8 @@
#ifdef __XTENSA__
#include <xtensa/config/core-isa.h>
#define MALLOC_ALIGNMENT ((XCHAL_DATA_WIDTH) < 16 ? 16 : (XCHAL_DATA_WIDTH))
/* esp8266-specific: shrink the default fd buffer size */
#define __BUFSIZ__ 128
#endif
/* This block should be kept in sync with GCC's limits.h. The point

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