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
|
dnl
dnl Autoconf macros from the GNU autoconf macro archive
dnl
dnl http://www.gnu.org/software/ac-archive/
dnl
dnl @synopsis ETR_SOCKET_NSL
dnl
dnl This macro figures out what libraries are required on this platform
dnl to link sockets programs. It's usually -lsocket and/or -lnsl or
dnl neither. We test for all three combinations.
dnl
dnl @version $Id: acinclude.m4,v 1.4 2004-07-11 22:17:46 jurov Exp $
dnl @author Warren Young <warren@etr-usa.com>
dnl
AC_DEFUN([ETR_SOCKET_NSL],
[
AC_CACHE_CHECK(for libraries containing socket functions,
ac_cv_socket_libs, [
oCFLAGS=$CFLAGS
AC_TRY_LINK([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
],
[
struct in_addr add;
int sd = socket(AF_INET, SOCK_STREAM, 0);
inet_ntoa(add);
],
ac_cv_socket_libs=-lc, ac_cv_socket_libs=no)
if test x"$ac_cv_socket_libs" = "xno"
then
CFLAGS="$oCFLAGS -lsocket"
AC_TRY_LINK([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
],
[
struct in_addr add;
int sd = socket(AF_INET, SOCK_STREAM, 0);
inet_ntoa(add);
],
ac_cv_socket_libs=-lsocket, ac_cv_socket_libs=no)
fi
if test x"$ac_cv_socket_libs" = "xno"
then
CFLAGS="$oCFLAGS -lsocket -lnsl"
AC_TRY_LINK([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
],
[
struct in_addr add;
int sd = socket(AF_INET, SOCK_STREAM, 0);
inet_ntoa(add);
],
ac_cv_socket_libs="-lsocket -lnsl", ac_cv_socket_libs=no)
fi
CFLAGS=$oCFLAGS
])
if test x"$ac_cv_socket_libs" = "xno"
then
AC_MSG_ERROR([Cannot find socket libraries])
elif test x"$ac_cv_socket_libs" = "x-lc"
then
ETR_SOCKET_LIBS=""
else
ETR_SOCKET_LIBS="$ac_cv_socket_libs"
fi
AC_SUBST(ETR_SOCKET_LIBS)
]) dnl ETR_SOCKET_NSL
dnl Checks for libraries, their placement can be given with parameter.
dnl First library-config script is checked for. If not found, default options
dnl are used.
dnl Usage: USE_LIB(libname, [extra_help, [ACTION-IF-GIVEN,
dnl [ ACTION-IF-NOT-GIVEN]]])
AC_DEFUN([USE_LIB],
[AC_ARG_WITH($1,
[ --with-$1[=DIR] Set the location where lib$1 is installed. $2 ],[
if test "$withval" != "" && test -x "$withval/bin/$1-config" ; then
cfgloc="$withval/bin/$1-config"
elif which $1-config > /dev/null 2>&1 ; then
cfgloc=`which $1-config`
else
AC_MSG_NOTICE([$1-config not found.])
fi
if test "$cfgloc" != "" ; then
if cfl=`$cfgloc --cflags` ; then
CFLAGS="$CFLAGS $cfl"
else
AC_MSG_WARN([$withval/$1-config --cflags failed.])
unset cfgloc
fi
unset cfl
if ldfl=`$cfgloc --libs` ; then
LDFLAGS="$LDFLAGS $ldfl"
else
AC_MSG_WARN([$withval/$1-config --libs failed.])
unset cfgloc
fi
unset ldfl
fi
if test "$withval" != "" && test "$cfgloc" == "" ; then
if test -d $withval/include; then
CFLAGS="$CFLAGS -I$withval/include"
else
AC_MSG_WARN([Directory $withval/include not found.])
fi
if test -d $withval/lib; then
LDFLAGS="$LDFLAGS -L$withval/lib"
else
AC_MSG_WARN([Directory $withval/lib not found.])
fi
fi
unset cfgloc
$3],
[$4])]
) dnl USE_LIB
|
