1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
dnl Autoconfigure input file for fetchmail
dnl Eric S. Raymond <esr@thyrsus.com>
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
AC_INIT(fetchmail.h) dnl A distinctive file to look for in srcdir.
AC_CONFIG_HEADER(config.h)
# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-O AC_SUBST(CFLAGS)
test -z "$LDFLAGS" && LDFLAGS=-s AC_SUBST(LDFLAGS)
AC_CANONICAL_HOST
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_CPP dnl Later checks need this.
AC_PROG_CC_C_O
AC_AIX
AC_ISC_POSIX
AC_MINIX
AC_HEADER_STDC
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_CHECK_HEADERS(unistd.h termios.h termio.h sgtty.h stdarg.h alloca.h sys/itimer.h fcntl.h sys/fcntl.h)
AC_C_CONST dnl getopt needs this.
AC_PROG_LEX
AC_PROG_YACC
AC_SUBST(LIBOBJS)
AC_CHECK_LIB(nsl,inet_addr)
AC_CHECK_LIB(socket,socket)
AC_CHECK_LIB(inet,socket)
AC_CHECK_FUNC(strstr, AC_DEFINE(HAVE_STRSTR),
[EXTRASRC="$EXTRASRC \$(srcdir)/strstr.c"
EXTRAOBJ="$EXTRAOBJ strstr.o"])
AC_CHECK_FUNC(strcasecmp, AC_DEFINE(HAVE_STRCASECMP),
[EXTRASRC="$EXTRASRC \$(srcdir)/strcasecmp.c"
EXTRAOBJ="$EXTRAOBJ strcasecmp.o"])
AC_CHECK_FUNC(getopt_long, AC_DEFINE(HAVE_GETOPTLONG),
[EXTRASRC="$EXTRASRC \$(srcdir)/getopt.c \$(srcdir)/getopt1.c"
EXTRAOBJ="$EXTRAOBJ getopt.o getopt1.o"])
AC_FUNC_VPRINTF
AC_FUNC_ALLOCA
if test -n "$ALLOCA"
then
EXTRASRC="$EXTRASRC \$(srcdir)/alloca.c"
EXTRAOBJ="$EXTRAOBJ alloca.o"
fi
dnl All AC_CHECK_FUNCs must precede the following AC_SUBSTs
AC_SUBST(EXTRASRC)
AC_SUBST(EXTRAOBJ)
AC_CHECK_FUNCS(tcsetattr stty setsid seteuid gethostbyname res_search herror \
strrchr strerror setlinebuf syslog snprintf vsnprintf vsyslog atexit)
# Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
# and breaks gethostbyname(2). It's better to use the bind stuff in the C
# library. So don't add -lresolv to the link list unless it's necessary
# (It will be necessary when using GNU libc6).
AC_CHECK_FUNC(res_search,
AC_MSG_RESULT(using libc's resolver functions),
AC_CHECK_LIB(resolv,res_search,
[AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
dnl AC_FUNC_SETVBUF_REVERSED
dnl Check for usable void pointer type
AC_MSG_CHECKING(use of void pointer type)
AC_TRY_COMPILE([],
[char *p;
void *xmalloc();
p = (char *) xmalloc(1);
],
[AC_DEFINE(HAVE_VOIDPOINTER) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
dnl Check out the wait reality. We have to assume sys/wait.h is present.
AC_CHECK_FUNCS(waitpid wait3)
AC_MSG_CHECKING(for union wait);
AC_TRY_LINK([#include <sys/types.h>
#include <sys/wait.h>],
[union wait status; int pid; pid = wait (&status);
#ifdef WEXITSTATUS
/* Some POSIXoid systems have both the new-style macros and the old
union wait type, and they do not work together. If union wait
conflicts with WEXITSTATUS et al, we don't want to use it at all. */
if (WEXITSTATUS (status) != 0) pid = -1;
#endif
#ifdef HAVE_WAITPID
/* Make sure union wait works with waitpid. */
pid = waitpid (-1, &status, 0);
#endif
],
[AC_DEFINE(HAVE_UNION_WAIT) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
AC_TRY_LINK([#include <signal.h>
/* NetBSD declares sys_siglist in <unistd.h>. */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif], [char *msg = *(sys_siglist + 1);],
[AC_DEFINE(SYS_SIGLIST_DECLARED) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
### use option --enable-POP2 to compile in the POP2 fallback support
AC_ARG_ENABLE(POP2,
[ --enable-POP2 compile in POP2 protocol support (obsolete)],
[with_POP2=$enableval],
[with_POP2=no])
test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE)
### use option --with-kerberos=DIR to point at a Kerberos directory
AC_ARG_WITH(kerberos,
[ --with-kerberos=DIR point fetchmail compilation at a Kerberos directory])
# The "then" arm (nonempty $with_kerberos) is kind of a crock. It works for
# configuring the BSD/OS Kerberos IV support, though.
if test -n "$with_kerberos"
then
CFLAGS="$CFLAGS -DKERBEROS_V4 -I$with_kerberos"
LDFLAGS="$LDFLAGS -L$dir/lib"
LIBS="$LIBS -lkrb -ldes"
else
for dir in /usr/kerberos /usr/kerberosIV /usr/athena
do
if test -f "$dir/include/krb.h"
then
CFLAGS="$CFLAGS -DKERBEROS_V4 -I$dir/include"
LDFLAGS="$LDFLAGS -L$dir/lib"
LIBS="$LIBS -lkrb -ldes"
break
fi
done
fi
AC_OUTPUT(Makefile, [
# Makefile uses this timestamp file to know when to remake Makefile,
# build.sh, and glob/Makefile.
touch stamp-config])
dnl Local Variables:
dnl comment-start: "dnl "
dnl comment-end: ""
dnl comment-start-skip: "\\bdnl\\b\\s *"
dnl compile-command: "make configure config.h.in"
dnl End:
|
