ext3grep 版本：ext3grep-0.10.2.tar.gz
操作系统centos 7
产生原因：测试恢复被删除的文件
产生错误提示如下：
[root@localhost ext3grep-0.10.2]# make make all-recursive make[1]: 进入目录“/data/recovery/ext3grep-0.10.2” Making all in src make[2]: 进入目录“/data/recovery/ext3grep-0.10.2/src” g++ -Iempty.pch.h -DHAVE_CONFIG_H -I. -I.. -g -O2 -DUSE_MMAP=1 -I/usr/include/ext2fs -I/usr/include/et -include pch.h \ -c -o pch.h.gch/6145d4709c827f9d2a94d7691c87ab4e ./pch-source.h In file included from ./pch-source.h:43:0: ./ext3.h: 在成员函数‘__u32 Inode::reserved2() const’中: ./ext3.h:113:42: 错误：‘i_reserved2’在此作用域中尚未声明 __u32 reserved2(void) const { return i_reserved2; } ^ ./ext3.h: 在成员函数‘void Inode::set_reserved2(__u32)’中: ./ext3.h:115:37: 错误：‘i_reserved2’在此作用域中尚未声明 void set_reserved2(__u32 val) { i_reserved2 = val; } ^ make[2]: *** [pch.h.gch/6145d4709c827f9d2a94d7691c87ab4e] 错误 1 make[2]: 离开目录“/data/recovery/ext3grep-0.10.2/src” make[1]: *** [all-recursive] 错误 1 make[1]: 离开目录“/data/recovery/ext3grep-0.10.2” make: *** [all] 错误 2解决方法： （在对应的地方，将+后面的内容补充到ext3.h中
[root@localhost ext3grep-0.10.2]# vim src/ext3.h 可以参考@@后面的行号添加红色标出的内容差异（正式添加时去掉前边的加号）： diff -ur ext3grep-0.10.1/src/ext3.h ext3grep-0.10.1.new/src/ext3.h --- ext3grep-0.10.1/src/ext3.h2008-04-09 11:20:31.000000000 +0000 +++ ext3grep-0.10.1.new/src/ext3.h2011-12-10 07:00:50.000000000 +0000 @@ -24,6 +24,17 @@ #ifndef EXT3_H #define EXT3_H +// this trickery needs to happen before ext2_fs is included so +// bail out if it has already been included by another path +#ifdef _LINUX_EXT2_FS_H + #error please include this file before any other includes of ext2fs/ext2_fs.h +#endif + +// some versions of the ext2 headers call this s_frags_per_group and some +// call it s_clusters_per_group, define one to the other so our code works +// with both +#define s_clusters_per_group s_frags_per_group + // Use the header files from e2progs (http://e2fsprogs.sourceforge.net) // We can use these headers and then everything named ext2 or ext3. #include <ext2fs/ext2_fs.h>// Definitions of ext2, ext3 and ext4. @@ -110,6 +121,12 @@ __u32 faddr(void) const { return i_faddr; } __u16 uid_high(void) const { return i_uid_high; } __u16 gid_high(void) const { return i_gid_high; } +#ifndef i_reseved2 + //i_reseved2 has been split into two fields in recent + //versions of the headers, luckilly we can still access + //it in one peice through the hurd side of the union + #define i_reserved2 osd2.hurd2.h_i_author +#endif __u32 reserved2(void) const { return i_reserved2; } void set_reserved2(__u32 val) { i_reserved2 = val; }保存退出继续安装，错误消失。
转载于:https://www.cnblogs.com/SilverBasin/p/ext3grep.html
