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修复 ARM 机器上编译 RT-Thread 失败的情况 (fixes #10) #11

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修复 ARM 机器上编译 RT-Thread 失败的情况 (fixes #10) #11

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ff605b5
bsp: fix native libc type conflicts
Chen-Yuanmeng Jul 19, 2026
22885a2
bsp: preserve GOT symbol when integrating AM apps
Chen-Yuanmeng Jul 19, 2026
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13 changes: 13 additions & 0 deletions bsp/abstract-machine/include/extra.h
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Original file line number Diff line number Diff line change
@@ -1,6 +1,17 @@
#ifndef __RTTHREAD_AM_EXTRA_H__
#define __RTTHREAD_AM_EXTRA_H__

#ifdef __ISA_NATIVE__
/* glibc uses __timeval_defined, while RT-Thread checks this guard. */
#define _TIMEVAL_DEFINED

Comment on lines +5 to +7

@Chen-Yuanmeng Chen-Yuanmeng Jul 21, 2026

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是严谨的

/* Use the host libc definitions when AM runs as a native process. */
#include <sys/types.h>
#else
typedef long suseconds_t;
typedef unsigned long useconds_t;
#include <sys/types.h>
#endif

#ifdef __ISA_NATIVE__
// rename posix API to avoid conflict with glibc in native
Expand Down Expand Up @@ -36,3 +47,5 @@ typedef unsigned long useconds_t;
#define gettimeofday rt_gettimeofday

#endif

#endif /* __RTTHREAD_AM_EXTRA_H__ */
2 changes: 2 additions & 0 deletions bsp/abstract-machine/integrate-am-apps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@
am_app_mk_fp = open(f"build/{ARCH}/am-apps.mk", "w")
am_app_c_fp = open("build/am-apps.c" , "w")
lib_sym = [
# Linker-reserved symbol; do not namespace it with the application prefix.
"_GLOBAL_OFFSET_TABLE_",
"memset", "memcpy", "memmove", "memcmp",
"strlen", "strcat", "strcpy", "strncpy", "strcmp", "strncmp",
"srand", "rand", "malloc", "free", "abs", "atoi",
Expand Down