Changes for long file support by Steve Clift.

(Slightly modified to isolate the test for various funcs more.)
This commit is contained in:
Guido van Rossum 1999-01-06 18:52:29 +00:00
parent 3c9fe0cce3
commit 00f0f6ef03
1 changed files with 31 additions and 0 deletions

View File

@ -297,6 +297,33 @@ if test $have_long_long = yes ; then
AC_CHECK_SIZEOF(long long)
fi
# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
AC_MSG_CHECKING(size of off_t)
AC_CACHE_VAL(ac_cv_sizeof_off_t,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof(off_t));
exit(0);
}], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
])
AC_MSG_RESULT($ac_cv_sizeof_off_t)
AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
AC_MSG_CHECKING(whether to enable large file support)
if test $have_long_long = yes -a \
$ac_cv_sizeof_off_t -gt $ac_cv_sizeof_long -a \
$ac_cv_sizeof_long_long -ge $ac_cv_sizeof_off_t; then
AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Set info about shared libraries.
AC_SUBST(SO)
AC_SUBST(LDSHARED)
@ -516,6 +543,10 @@ AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork ftime ftruncate \
select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
sigaction siginterrupt sigrelse strftime strptime symlink \
tcgetpgrp tcsetpgrp timegm times truncate uname waitpid)
# check for long file support functions
AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))