On AIX, stat will store inodes in 32bit even when using LARGE_FILES. If the inode is larger, it will return -1 in st_ino. Thus, in incpath.c when comparing include directories, if several of them have 64bit inodes, they will be considered as duplicated.
gcc/ChangeLog:
2021-05-06 Clément Chigot <clement.chi...@atos.net>
* configure.ac: Check sizeof ino_t and dev_t.
* config.in: Regenerate.
* configure: Regenerate.
* config/rs6000/aix.h (HOST_STAT_FOR_64BIT_INODES): New define.
* incpath.c (HOST_STAT_FOR_64BIT_INODES): New define.
(remove_duplicates): Use it.
libcpp/ChangeLog:
2021-05-06 Clément Chigot <clement.chi...@atos.net>
* configure.ac: Check sizeof ino_t and dev_t.
* config.in: Regenerate.
* configure: Regenerate.
* include/cpplib.h (INO_T_CPP): Change for AIX.
(DEV_T_CPP): New macro.
(struct cpp_dir): Use it.
0001-aix-handle-64bit-inodes-for-include-directories.patch
Description: 0001-aix-handle-64bit-inodes-for-include-directories.patch
