我需要知道我是否为32位或64位架构编译libjpeg,但不知道如何查找,是否有一个命令可以让我检查?
答案 0 :(得分:32)
只需输入file libjpeg.dylib
即可获得如下输出
libpoll.dylib: Mach-O universal binary with 3 architectures
libpoll.dylib (for architecture x86_64): Mach-O 64-bit dynamically linked shared library x86_64
libpoll.dylib (for architecture i386): Mach-O dynamically linked shared library i386
libpoll.dylib (for architecture ppc7400): Mach-O dynamically linked shared library ppc
答案 1 :(得分:15)
file
命令可以正常工作。或者,您可以使用
otool
打印胖标题。
$ otool -vf /usr/lib/libSystem.B.dylib
Fat headers
fat_magic FAT_MAGIC
nfat_arch 2
architecture ppc
cputype CPU_TYPE_POWERPC
cpusubtype CPU_SUBTYPE_POWERPC_ALL
offset 4096
size 2221800
align 2^12 (4096)
architecture ppc64
cputype CPU_TYPE_POWERPC64
cpusubtype CPU_SUBTYPE_POWERPC64_ALL
offset 2228224
size 2169980
align 2^12 (4096)
答案 2 :(得分:7)
使用file
命令:
[mqudsi@iqudsi:Xcode/FSLogger]$ file ./original (07-31 02:53)
./original: Mach-O executable i386