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aix: handle 64bit inodes for include directories

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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:
2022-01-12  Clément Chigot  <clement.chigot@atos.net>

	* configure.ac: Check sizeof ino_t and dev_t.
	(HOST_STAT_FOR_64BIT_INODES): New AC_DEFINE to provide stat
	syscall being able to handle 64bit inodes.
	* config.in: Regenerate.
	* configure: Regenerate.
	* incpath.c (HOST_STAT_FOR_64BIT_INODES): New define.
	(remove_duplicates): Use it.

libcpp/ChangeLog:
2022-01-12  Clément Chigot  <clement.chigot@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.
This commit is contained in:
Clément Chigot
2021-05-06 16:08:15 +02:00
parent 75845d584f
commit 14e0d83297
8 changed files with 198 additions and 5 deletions
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libcpp/include/cpplib.h
+9 -1
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@@ -752,10 +752,18 @@ struct cpp_callbacks
#ifdef VMS
#define INO_T_CPP ino_t ino[3]
#elif defined (_AIX) && SIZEOF_INO_T == 4
#define INO_T_CPP ino64_t ino
#else
#define INO_T_CPP ino_t ino
#endif
#if defined (_AIX) && SIZEOF_DEV_T == 4
#define DEV_T_CPP dev64_t dev
#else
#define DEV_T_CPP dev_t dev
#endif
/* Chain of directories to look for include files in. */
struct cpp_dir
{
@@ -790,7 +798,7 @@ struct cpp_dir
/* The C front end uses these to recognize duplicated
directories in the search path. */
INO_T_CPP;
dev_t dev;
DEV_T_CPP;
};
/* The kind of the cpp_macro. */