代码： 全选
fhc2007@fhc2007-desktop:~$ arm-linux-gcc -v
Reading specs from /usr/local/arm/3.4.1/bin/../lib/gcc/arm-linux/3.4.1/specs
Configured with: /opt/crosstool/crosstool-0.28/build/arm-linux/gcc-3.4.1-glibc-2.3.2/gcc-3.4.1/configure --target=arm-linux --host=i686-host_pc-linux-gnu --prefix=/opt/crosstool/arm-linux/gcc-3.4.1-glibc-2.3.2 --with-float=soft --with-headers=/opt/crosstool/arm-linux/gcc-3.4.1-glibc-2.3.2/arm-linux/include --with-local-prefix=/opt/crosstool/arm-linux/gcc-3.4.1-glibc-2.3.2/arm-linux --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit --enable-languages=c,c++ --enable-shared --enable-c99 --enable-long-long
Thread model: posix
gcc version 3.4.1
代码： 全选
coreutils/fsync.c: In function `fsync_main':
coreutils/fsync.c:27: error: `O_NOATIME' undeclared (first use in this function)
coreutils/fsync.c:27: error: (Each undeclared identifier is reported only once
coreutils/fsync.c:27: error: for each function it appears in.)
make[1]: *** [coreutils/fsync.o] 错误 1
make: *** [coreutils] 错误 2
代码： 全选
fhc2007@fhc2007-desktop:~/mini2440/busybox-1.15.2$ cat -n coreutils/fsync.c
1 /* vi: set sw=4 ts=4: */
2 /*
3 * Mini fsync implementation for busybox
4 *
5 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */
9 #include "libbb.h"
10
11 /* This is a NOFORK applet. Be very careful! */
12
13 int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
14 int fsync_main(int argc UNUSED_PARAM, char **argv)
15 {
16 int status;
17 int opts;
18
19 opts = getopt32(argv, "d"); /* fdatasync */
20 argv += optind;
21 if (!*argv) {
22 bb_show_usage();
23 }
24
25 status = EXIT_SUCCESS;
26 do {
27 int fd = open3_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY, 0);
28
29 if (fd == -1) {
30 status = EXIT_FAILURE;
31 continue;
32 }
33 if ((opts ? fdatasync(fd) : fsync(fd))) {
34 //status = EXIT_FAILURE; - do we want this?
35 bb_simple_perror_msg(*argv);
36 }
37 close(fd);
38 } while (*++argv);
39
40 return status;
41 }
代码： 全选
fhc2007@fhc2007-desktop:~/mini2440/busybox-1.15.2$ gcc -v
使用内建 specs。
目标：i486-linux-gnu
配置为：../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu
线程模型：posix
gcc 版本 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
