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Port C macro defaults to Solaris and Irix.

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This is mostly for convenience, so that plain 'make' works out of
the box on Solaris, instead of having to run something awkward like
'make CFLAGS="-xc99=all -DHAVE_INCOMPATIBLE_CTIME_R=1"', and
similarly for Irix 6.5.
* private.h (_POSIX_PTHREAD_SEMANTICS):
* private.h, zdump.c (__EXTENSIONS__):
New macros, to make Solaris headers more like what we want out
of the box.
(LLONG_MAX, LLONG_MIN): Default from __LONG_LONG_MAX__ if it's defined.
This simplifies later code.
(SCNdFAST64, PRIdMAX): Don't assume they're defined when
INT_FAST64_MAX is, as that's not true on Solaris 10 + Sun C 5.12.
(PRIuMAX): Likewise, for Solaris 11 + Sun C 5.12.
* zdump.c (HAVE_LOCALTIME_RZ): Default to 1 only if TM_ZONE.
* Makefile, NEWS: Document this.
This commit is contained in:
Paul Eggert
2014-08-25 13:35:42 -07:00
parent 9701f8b9cd
commit 7e8821934e
4 changed files with 73 additions and 38 deletions
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Makefile
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@ -111,7 +111,7 @@ LDLIBS=
# -DHAVE_LINK=0 if your system lacks a link function
# -DHAVE_LOCALTIME_R=0 if your system lacks a localtime_r function
# -DHAVE_LOCALTIME_RZ=0 if you do not want zdump to use localtime_rz
# This defaults to 1 if localtime_rz is known to be available.
# This defaults to 1 if a working localtime_rz seems to be available.
# localtime_rz can make zdump significantly faster, but is nonstandard.
# -DHAVE_SETTIMEOFDAY=0 if settimeofday does not exist (SVR0?)
# -DHAVE_SETTIMEOFDAY=1 if settimeofday has just 1 arg (SVR4)