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| 1 | #serial 18
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| 2 |
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| 3 | dnl This is just a wrapper function to encapsulate this kludge.
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| 4 | dnl Putting it in a separate file like this helps share it between
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| 5 | dnl different packages.
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| 6 | AC_DEFUN([jm_CHECK_DECLS],
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| 7 | [
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| 8 | AC_REQUIRE([_jm_DECL_HEADERS])
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| 9 | AC_REQUIRE([AC_HEADER_TIME])
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| 10 | headers='
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| 11 | #include <stdio.h>
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| 12 | #if HAVE_STRING_H
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| 13 | # if !STDC_HEADERS && HAVE_MEMORY_H
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| 14 | # include <memory.h>
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| 15 | # endif
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| 16 | # include <string.h>
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| 17 | #else
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| 18 | # if HAVE_STRINGS_H
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| 19 | # include <strings.h>
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| 20 | # endif
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| 21 | #endif
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| 22 | #if HAVE_STDLIB_H
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| 23 | # include <stdlib.h>
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| 24 | #endif
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| 25 | #if HAVE_UNISTD_H
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| 26 | # include <unistd.h>
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| 27 | #endif
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| 28 |
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| 29 | #include <sys/types.h>
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| 30 | #if TIME_WITH_SYS_TIME
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| 31 | # include <sys/time.h>
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| 32 | # include <time.h>
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| 33 | #else
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| 34 | # if HAVE_SYS_TIME_H
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| 35 | # include <sys/time.h>
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| 36 | # else
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| 37 | # include <time.h>
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| 38 | # endif
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| 39 | #endif
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| 40 |
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| 41 | #if HAVE_UTMP_H
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| 42 | # include <utmp.h>
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| 43 | #endif
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| 44 |
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| 45 | #if HAVE_GRP_H
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| 46 | # include <grp.h>
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| 47 | #endif
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| 48 |
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| 49 | #if HAVE_PWD_H
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| 50 | # include <pwd.h>
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| 51 | #endif
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| 52 | '
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| 53 |
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| 54 | AC_CHECK_DECLS([
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| 55 | free,
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| 56 | getenv,
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| 57 | geteuid,
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| 58 | getgrgid,
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| 59 | getlogin,
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| 60 | getpwuid,
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| 61 | getuid,
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| 62 | getutent,
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| 63 | lseek,
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| 64 | malloc,
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| 65 | memchr,
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| 66 | memrchr,
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| 67 | nanosleep,
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| 68 | realloc,
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| 69 | stpcpy,
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| 70 | strndup,
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| 71 | strnlen,
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| 72 | strstr,
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| 73 | strtoul,
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| 74 | strtoull,
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| 75 | ttyname], , , $headers)
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| 76 | ])
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| 77 |
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| 78 | dnl FIXME: when autoconf has support for it.
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| 79 | dnl This is a little helper so we can require these header checks.
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| 80 | AC_DEFUN([_jm_DECL_HEADERS],
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| 81 | [
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| 82 | AC_REQUIRE([AC_HEADER_STDC])
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| 83 | AC_CHECK_HEADERS(grp.h memory.h pwd.h string.h strings.h stdlib.h \
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| 84 | unistd.h sys/time.h utmp.h utmpx.h)
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| 85 | ])
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