执行链接时报错：No such file or directory

Im going to install arm-linux-gcc 4.2.2-eabi to ubuntu, but I got this error when i try to compile the source code:
root@zanget:/home/4.2.2-eabi/usr/bin# ./arm-linux-gccarm-linux-gcc: No such file or directory

root@zanget:/home/4.2.2-eabi/usr/bin# file ./arm-linux-gcc./arm-linux-gcc: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked

root@zanget:/home/4.2.2-eabi/usr/bin# ls -aldrwxrwxr-x 2 root root 4096 2010-08-25 18:27 .drwxrwxr-x 12 root root 4096 2007-10-12 09:32 ..lrwxrwxrwx 1 root root 35 2010-08-25 18:18 arm-linux-addr2line -> arm-unknown-linux-gnueabi-addr2linelrwxrwxrwx 1 root root 28 2010-08-25 18:18 arm-linux-ar -> arm-unknown-linux-gnueabi-arlrwxrwxrwx 1 root root 28 2010-08-25 18:18 arm-linux-as -> arm-unknown-linux-gnueabi-aslrwxrwxrwx 1 root root 6 2010-08-25 18:18 arm-linux-c++ -> ccachelrwxrwxrwx 1 root root 6 2010-08-25 18:18 arm-linux-cc -> ccachelrwxrwxrwx 1 root root 33 2010-08-25 18:18 arm-linux-c++filt -> arm-unknown-linux-gnueabi-c++filtlrwxrwxrwx 1 root root 29 2010-08-25 18:18 arm-linux-cpp -> arm-unknown-linux-gnueabi-cpplrwxrwxrwx 1 root root 6 2010-08-25 18:18 arm-linux-g++ -> ccachelrwxrwxrwx 1 root root 8 2010-08-25 18:27 arm-linux-gcc -> ./ccache//...

when I try to use hard link here
root@zanget:/home/4.2.2-eabi/usr/bin# rm arm-linux-gcc root@zanget:/home/4.2.2-eabi/usr/bin# ln ./ccache ./arm-linux-gccroot@zanget:/home/4.2.2-eabi/usr/bin# ./arm-linux-gcc arm-linux-cc: No such file or directory

root@zanget:/home/4.2.2-eabi/usr/bin# ./ccache ccache, a compiler cache. Version 2.4Copyright Andrew Tridgell, 2002Usage: ccache [options] ccache compiler [compile options] compiler [compile options] (via symbolic link)Options:-s show statistics summary-z zero statistics-c run a cache cleanup-C clear the cache completely-F <maxfiles> set maximum files in cache-M <maxsize> set maximum size of cache (use G, M or K)-h this help page-V print version number

root@zanget:/home/4.2.2-eabi/usr/bin# ldd ccache linux-gate.so.1 => (0xb77b2000) libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7640000) /lib/ld-linux.so.2 (0xb77b3000)root@zanget:/home/4.2.2-eabi/usr/bin# ls /lib/tls/i686/cmov/libc.so.6/lib/tls/i686/cmov/libc.so.6root@zanget:/home/4.2.2-eabi/usr/bin# ls /lib/ld-linux.so.2/lib/ld-linux.so.2

root@zanget:/home/4.2.2-eabi/usr/bin# strace ./arm-linux-gccexecve("./arm-linux-gcc", ["./arm-linux-gcc"], [/* 20 vars */]) = 0brk(0) = 0x9136000access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7818000access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)open("/etc/ld.so.cache", O_RDONLY) = 3fstat64(3, {st_mode=S_IFREG|0644, st_size=51701, ...}) = 0access("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", X_OK) = -1 ENOENT (No such file or directory)open("/root/.ccache_4.2.2/stats", O_RDWR) = 4fcntl64(4, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=1}) = 0read(4, "0 0 0 0 0 0 134 0 0 0 0 0 0 0 625"..., 1023) = 51lseek(4, 0, SEEK_SET) = 0write(4, "0 0 0 0 0 0 135 0 0 0 0 0 0 0 625"..., 51) = 51close(4) = 0dup(2) = 4fcntl64(4, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE)fstat64(4, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 0), ...}) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7817000_llseek(4, 0, 0xbf816d84, SEEK_CUR) = -1 ESPIPE (Illegal seek)write(4, "arm-linux-gcc: No such file or di"..., 41arm-linux-gcc: No such file or directory) = 41close(4) = 0munmap(0xb7817000, 4096) = 0exit_group(1) = ?mmap2(NULL, 51701, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb780b000close(3) = 0access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3read(3, "/177ELF/1/1/1/0/0/0/0/0/0/0/0/0/3/0/3/0/1/0/0/0/320h/1/0004/0/0/0/344"..., 512) = 512fstat64(3, {st_mode=S_IFREG|0755, st_size=1442180, ...}) = 0mmap2(NULL, 1451632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb76a8000mprotect(0xb7804000, 4096, PROT_NONE) = 0mmap2(0xb7805000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15c) = 0xb7805000mmap2(0xb7808000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7808000close(3) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb76a7000set_thread_area({entry_number:-1 -> 6, base_addr:0xb76a76c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0open("/dev/urandom", O_RDONLY) = 3read(3, "9/347:"..., 3) = 3close(3) = 0mprotect(0xb7805000, 8192, PROT_READ) = 0mprotect(0xb7837000, 4096, PROT_READ) = 0munmap(0xb780b000, 51701) = 0brk(0) = 0x9136000brk(0x9157000) = 0x9157000dup(2) = 3stat64("/root/.ccache_4.2.2", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0access("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", X_OK) = -1 ENOENT

 

I found it was a bug of ubuntu :
/etc/ld.so.nohwcap missing

ouch /etc/ld.so.nohwcaptouch /etc/ld.so.preload

root@zanget:/home/4.2.2-eabi/usr/bin# strace ./arm-linux-gcc execve("./arm-linux-gcc", ["./arm-linux-gcc"], [/* 20 vars */]) = 0brk(0) = 0x8380000access("/etc/ld.so.nohwcap", F_OK) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb778c000access("/etc/ld.so.preload", R_OK) = 0open("/etc/ld.so.preload", O_RDONLY) = 3fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0close(3) = 0open("/etc/ld.so.cache", O_RDONLY) = 3stat64("/root/.ccache_4.2.2", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0access("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", X_OK) = -1 ENOENT (No such file or directory)open("/root/.ccache_4.2.2/stats", O_RDWR) = 4fcntl64(4, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=1}) = 0read(4, "0 0 0 0 0 0 139 0 0 0 0 0 0 0 625"..., 1023) = 51lseek(4, 0, SEEK_SET) = 0write(4, "0 0 0 0 0 0 140 0 0 0 0 0 0 0 625"..., 51) = 51close(4) = 0dup(2) = 4fcntl64(4, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE)fstat64(4, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 0), ...}) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb778b000_llseek(4, 0, 0xbfbd39bc, SEEK_CUR) = -1 ESPIPE (Illegal seek)write(4, "arm-linux-gcc: No such file or di"..., 41arm-linux-gcc: No such file or directory) = 41close(4) = 0munmap(0xb778b000, 4096) = 0exit_group(1) = ?fstat64(3, {st_mode=S_IFREG|0644, st_size=51701, ...}) = 0mmap2(NULL, 51701, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb777f000close(3) = 0access("/etc/ld.so.nohwcap", F_OK) = 0open("/lib/libc.so.6", O_RDONLY) = 3read(3, "/177ELF/1/1/1/0/0/0/0/0/0/0/0/0/3/0/3/0/1/0/0/0/320h/1/0004/0/0/0T"..., 512) = 512fstat64(3, {st_mode=S_IFREG|0755, st_size=1331404, ...}) = 0mmap2(NULL, 1336944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7638000mmap2(0xb7779000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x141) = 0xb7779000mmap2(0xb777c000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb777c000close(3) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7637000set_thread_area({entry_number:-1 -> 6, base_addr:0xb76378d0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0open("/dev/urandom", O_RDONLY) = 3read(3, "/242/35/252"..., 3) = 3close(3) = 0mprotect(0xb7779000, 8192, PROT_READ) = 0mprotect(0xb77aa000, 4096, PROT_READ) = 0munmap(0xb777f000, 51701) = 0brk(0) = 0x8380000brk(0x83a1000) = 0x83a1000dup(2) = 3

root@zanget:/home/4.2.2-eabi/usr/bin# ./arm-linux-gccarm-linux-gcc: No such file or directory

mkdir -p /usr/local/armmv 4.2.2-eabi/ /usr/local/arm/cd /usr/local/arm/4.2.2-eabi/usr/bin strace ./arm-linux-gcc

root@zanget:/usr/local/arm/4.2.2-eabi/usr/bin# strace ./arm-linux-gcc execve("./arm-linux-gcc", ["./arm-linux-gcc"], [/* 20 vars */]) = 0brk(0) = 0x87cf000access("/etc/ld.so.nohwcap", F_OK) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb772d000access("/etc/ld.so.preload", R_OK) = 0open("/etc/ld.so.preload", O_RDONLY) = 3fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0close(3) = 0open("/etc/ld.so.cache", O_RDONLY) = 3fstat64(3, {st_mode=S_IFREG|0644, st_size=51701, ...}) = 0mmap2(NULL, 51701, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7720000close(3) = 0access("/etc/ld.so.nohwcap", F_OK) = 0open("/lib/libc.so.6", O_RDONLY) = 3read(3, "/177ELF/1/1/1/0/0/0/0/0/0/0/0/0/3/0/3/0/1/0/0/0/320h/1/0004/0/0/0T"..., 512) = 512fstat64(3, {st_mode=S_IFREG|0755, st_size=1331404, ...}) = 0mmap2(NULL, 1336944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75d9000mmap2(0xb771a000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x141) = 0xb771a000mmap2(0xb771d000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb771d000close(3) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb75d8000set_thread_area({entry_number:-1 -> 6, base_addr:0xb75d88d0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0open("/dev/urandom", O_RDONLY) = 3read(3, "@/226`"..., 3) = 3close(3) = 0mprotect(0xb771a000, 8192, PROT_READ) = 0mprotect(0xb774b000, 4096, PROT_READ) = 0munmap(0xb7720000, 51701) = 0brk(0) = 0x87cf000brk(0x87f0000) = 0x87f0000dup(2) = 3stat64("/root/.ccache_4.2.2", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0access("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", X_OK) = 0lstat64("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFLNK|0777, st_size=29, ...}) = 0stat64("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFREG|0755, st_size=404986, ...}) = 0lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFLNK|0777, st_size=29, ...}) = 0readlink("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", "arm-unknown-linux-gnueabi-gcc"..., 4095) = 29lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-unknown-linux-gnueabi-gcc", {st_mode=S_IFREG|0755, st_size=404986, ...}) = 0open("/root/.ccache_4.2.2/stats", O_RDWR) = 4fcntl64(4, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=1}) = 0read(4, "0 0 0 0 0 0 140 0 0 0 0 0 0 0 625"..., 1023) = 51lseek(4, 0, SEEK_SET) = 0write(4, "0 0 0 0 0 0 140 0 0 0 0 0 0 0 625"..., 51) = 51close(4) = 0execve("/usr/local/arm/4.2.2-eabi//usr/bin-ccache/arm-linux-gcc", ["/usr/local/arm/4.2.2-eabi//usr/b"...], [/* 21 vars */]) = 0brk(0) = 0x886c000access("/etc/ld.so.nohwcap", F_OK) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77a4000access("/etc/ld.so.preload", R_OK) = 0open("/etc/ld.so.preload", O_RDONLY) = 4fstat64(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0close(4) = 0open("/etc/ld.so.cache", O_RDONLY) = 4fstat64(4, {st_mode=S_IFREG|0644, st_size=51701, ...}) = 0mmap2(NULL, 51701, PROT_READ, MAP_PRIVATE, 4, 0) = 0xb7797000close(4) = 0access("/etc/ld.so.nohwcap", F_OK) = 0open("/lib/libc.so.6", O_RDONLY) = 4read(4, "/177ELF/1/1/1/0/0/0/0/0/0/0/0/0/3/0/3/0/1/0/0/0/320h/1/0004/0/0/0T"..., 512) = 512fstat64(4, {st_mode=S_IFREG|0755, st_size=1331404, ...}) = 0mmap2(NULL, 1336944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0xb7650000mmap2(0xb7791000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x141) = 0xb7791000mmap2(0xb7794000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7794000close(4) = 0mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb764f000set_thread_area({entry_number:-1 -> 6, base_addr:0xb764f8d0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0open("/dev/urandom", O_RDONLY) = 4read(4, "/227)6"..., 3) = 3close(4) = 0mprotect(0xb7791000, 8192, PROT_READ) = 0mprotect(0xb77c2000, 4096, PROT_READ) = 0munmap(0xb7797000, 51701) = 0brk(0) = 0x886c000brk(0x888d000) = 0x888d000rt_sigaction(SIGINT, {SIG_IGN}, {SIG_DFL}, 8) = 0rt_sigaction(SIGINT, {0x804f3c0, [INT], SA_RESTART}, {SIG_IGN}, 8) = 0rt_sigaction(SIGHUP, {SIG_IGN}, {SIG_DFL}, 8) = 0rt_sigaction(SIGHUP, {0x804f3c0, [HUP], SA_RESTART}, {SIG_IGN}, 8) = 0rt_sigaction(SIGTERM, {SIG_IGN}, {SIG_DFL}, 8) = 0rt_sigaction(SIGTERM, {0x804f3c0, [TERM], SA_RESTART}, {SIG_IGN}, 8) = 0rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_DFL}, 8) = 0rt_sigaction(SIGPIPE, {0x804f3c0, [PIPE], SA_RESTART}, {SIG_IGN}, 8) = 0rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFLNK|0777, st_size=29, ...}) = 0readlink("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", "arm-unknown-linux-gnueabi-gcc"..., 4095) = 29lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-unknown-linux-gnueabi-gcc", {st_mode=S_IFREG|0755, st_size=404986, ...}) = 0lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFLNK|0777, st_size=29, ...}) = 0readlink("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", "arm-unknown-linux-gnueabi-gcc"..., 4095) = 29lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-unknown-linux-gnueabi-gcc", {st_mode=S_IFREG|0755, st_size=404986, ...}) = 0access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/", X_OK) = 0access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/", X_OK) = 0access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/", X_OK) = 0access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/", X_OK) = 0access("/usr/lib/gcc/arm-unknown-linux-gnueabi/4.2.2/", X_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/arm-unknown-linux-gnueabi/", X_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/", X_OK) = 0access("/usr/lib/gcc/arm-unknown-linux-gnueabi/4.2.2/", X_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/arm-unknown-linux-gnueabi/", X_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/", X_OK) = 0lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", {st_mode=S_IFLNK|0777, st_size=29, ...}) = 0readlink("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-linux-gcc", "arm-unknown-linux-gnueabi-gcc"..., 4095) = 29lstat64("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/arm-unknown-linux-gnueabi-gcc", {st_mode=S_IFREG|0755, st_size=404986, ...}) = 0access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/../local/arm/4.2.2-eabi/", F_OK) = -1 ENOENT (No such file or directory)access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/../lib/gcc/arm-unknown-linux-gnueabi/4.2.2/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/../lib/gcc/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/arm-unknown-linux-gnueabi/4.2.2/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/../lib/gcc/arm-unknown-linux-gnueabi/4.2.2/../../../../arm-unknown-linux-gnueabi/lib/arm-unknown-linux-gnueabi/4.2.2/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/local/arm/4.2.2-eabi/usr/bin-ccache/../lib/gcc/arm-unknown-linux-gnueabi/4.2.2/../../../../arm-unknown-linux-gnueabi/lib/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/../../arm-unknown-linux-gnueabi/lib/arm-unknown-linux-gnueabi/4.2.2/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/../../arm-unknown-linux-gnueabi/lib/specs", R_OK) = -1 ENOENT (No such file or directory)access("/usr/lib/gcc/arm-unknown-linux-gnueabi/specs", R_OK) = -1 ENOENT (No such file or directory)write(2, "arm-linux-gcc: "..., 15arm-linux-gcc: ) = 15write(2, "no input files"..., 14no input files) = 14write(2, "/n"..., 1) = 1exit_group(1) = ?

root@zanget:/usr/local/arm/4.2.2-eabi/usr/bin# ./arm-linux-gcc arm-linux-gcc: no input files

So my problem is why ./ccache
can be executed , but its link of arm-linux-gcc can not be executed in /home/4.2.2-eabi/usr/bin???