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Changes for long file support by Steve Clift.
(Slightly modified to isolate the test for various funcs more.)
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31
configure.in
31
configure.in
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@ -297,6 +297,33 @@ if test $have_long_long = yes ; then
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AC_CHECK_SIZEOF(long long)
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fi
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# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
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AC_MSG_CHECKING(size of off_t)
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AC_CACHE_VAL(ac_cv_sizeof_off_t,
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[AC_TRY_RUN([#include <stdio.h>
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#include <sys/types.h>
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main()
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{
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FILE *f=fopen("conftestval", "w");
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if (!f) exit(1);
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fprintf(f, "%d\n", sizeof(off_t));
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exit(0);
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}], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
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])
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AC_MSG_RESULT($ac_cv_sizeof_off_t)
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AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
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AC_MSG_CHECKING(whether to enable large file support)
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if test $have_long_long = yes -a \
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$ac_cv_sizeof_off_t -gt $ac_cv_sizeof_long -a \
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$ac_cv_sizeof_long_long -ge $ac_cv_sizeof_off_t; then
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AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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# Set info about shared libraries.
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AC_SUBST(SO)
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AC_SUBST(LDSHARED)
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@ -516,6 +543,10 @@ AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork ftime ftruncate \
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select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
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sigaction siginterrupt sigrelse strftime strptime symlink \
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tcgetpgrp tcsetpgrp timegm times truncate uname waitpid)
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# check for long file support functions
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AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
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AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
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AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
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AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
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