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DT_UNKNOWN: do not fully trust existence of DT_UNKNOWN 

The recent Cygwin defines DT_UNKNOWN although it does not have d_type
in struct dirent.  Give an option to tell us not to use d_type on such
platforms.  Hopefully this problem will be transient.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-01-19 17:13:57 -08:00
parent 35a730f01c
commit 63be37b06f
2 changed files with 8 additions and 1 deletions
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7
Makefile
View File

@ -21,6 +21,9 @@ all:
#
# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
#
# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
#
# Define NO_STRCASESTR if you don't have strcasestr.
#
# Define NO_SETENV if you don't have setenv in the C library.
@ -236,6 +239,7 @@ ifeq ($(uname_S),SunOS)
ALL_CFLAGS += -D__EXTENSIONS__
endif
ifeq ($(uname_O),Cygwin)
NO_D_TYPE_IN_DIRENT = YesPlease
NO_D_INO_IN_DIRENT = YesPlease
NO_STRCASESTR = YesPlease
NEEDS_LIBICONV = YesPlease
@ -337,6 +341,9 @@ ifdef NEEDS_NSL
LIBS += -lnsl
SIMPLE_LIB += -lnsl
endif
ifdef NO_D_TYPE_IN_DIRENT
ALL_CFLAGS += -DNO_D_TYPE_IN_DIRENT
endif
ifdef NO_D_INO_IN_DIRENT
ALL_CFLAGS += -DNO_D_INO_IN_DIRENT
endif

2
cache.h
View File

@ -10,7 +10,7 @@
#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
#endif
#ifdef DT_UNKNOWN
#if defined(DT_UNKNOWN) && !NO_D_TYPE_IN_DIRENT
#define DTYPE(de) ((de)->d_type)
#else
#define DT_UNKNOWN 0