source: vendor/diffutils/2.8.1/m4/check-decl.m4

Last change on this file was 2556, checked in by bird, 19 years ago

diffutils 2.8.1

File size: 1.4 KB
Line 
1#serial 18
2
3dnl This is just a wrapper function to encapsulate this kludge.
4dnl Putting it in a separate file like this helps share it between
5dnl different packages.
6AC_DEFUN([jm_CHECK_DECLS],
7[
8 AC_REQUIRE([_jm_DECL_HEADERS])
9 AC_REQUIRE([AC_HEADER_TIME])
10 headers='
11#include <stdio.h>
12#if HAVE_STRING_H
13# if !STDC_HEADERS && HAVE_MEMORY_H
14# include <memory.h>
15# endif
16# include <string.h>
17#else
18# if HAVE_STRINGS_H
19# include <strings.h>
20# endif
21#endif
22#if HAVE_STDLIB_H
23# include <stdlib.h>
24#endif
25#if HAVE_UNISTD_H
26# include <unistd.h>
27#endif
28
29#include <sys/types.h>
30#if TIME_WITH_SYS_TIME
31# include <sys/time.h>
32# include <time.h>
33#else
34# if HAVE_SYS_TIME_H
35# include <sys/time.h>
36# else
37# include <time.h>
38# endif
39#endif
40
41#if HAVE_UTMP_H
42# include <utmp.h>
43#endif
44
45#if HAVE_GRP_H
46# include <grp.h>
47#endif
48
49#if HAVE_PWD_H
50# include <pwd.h>
51#endif
52'
53
54 AC_CHECK_DECLS([
55 free,
56 getenv,
57 geteuid,
58 getgrgid,
59 getlogin,
60 getpwuid,
61 getuid,
62 getutent,
63 lseek,
64 malloc,
65 memchr,
66 memrchr,
67 nanosleep,
68 realloc,
69 stpcpy,
70 strndup,
71 strnlen,
72 strstr,
73 strtoul,
74 strtoull,
75 ttyname], , , $headers)
76])
77
78dnl FIXME: when autoconf has support for it.
79dnl This is a little helper so we can require these header checks.
80AC_DEFUN([_jm_DECL_HEADERS],
81[
82 AC_REQUIRE([AC_HEADER_STDC])
83 AC_CHECK_HEADERS(grp.h memory.h pwd.h string.h strings.h stdlib.h \
84 unistd.h sys/time.h utmp.h utmpx.h)
85])
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