Upgrade from including popt1.2 to a version of popt1.5 trimmed down to
[rsync/rsync.git] / configure.in
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1dnl Process this file with autoconf to produce a configure script.
2AC_INIT(byteorder.h)
3AC_CONFIG_HEADER(config.h)
4
5LDFLAGS=${LDFLAGS-""}
6
7AC_CANONICAL_SYSTEM
8AC_VALIDATE_CACHE_SYSTEM_TYPE
9
10# compile with optimisation and without debugging by default, unless
11# --debug is given. We must decide this before testing the compiler.
12
13AC_ARG_ENABLE(debug,
14 [ --enable-debug including debugging symbols and features])
15
16AC_MSG_CHECKING([whether to include debugging symbols])
17if test x"$enable_debug" = x"yes"
18then
19 AC_MSG_RESULT(yes)
20 # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
21 AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
22 CFLAGS=${CFLAGS-"-g"}
23else
24 AC_MSG_RESULT(no)
25 CFLAGS=${CFLAGS-"-O"}
26fi
27
28CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
29
30# look for getconf early as this affects just about everything
31AC_CHECK_PROG(HAVE_GETCONF, getconf, "yes", "no")
32if test $HAVE_GETCONF = "yes"; then
33 CFLAGS=$CFLAGS" "`getconf LFS_CFLAGS 2> /dev/null`
34 LDFLAGS=$LDFLAGS" "`getconf LFS_LDFLAGS 2> /dev/null`
35fi
36
37AC_ARG_WITH(included-popt,
38 [ --with-included-popt use bundled popt library, not from system])
39
40dnl Checks for programs.
41AC_PROG_CC
42AC_PROG_INSTALL
43AC_SUBST(SHELL)
44
45AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
46AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH)
47
48AC_C_BIGENDIAN
49AC_HEADER_DIRENT
50AC_HEADER_TIME
51AC_HEADER_SYS_WAIT
52AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
53AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
54AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
55AC_CHECK_HEADERS(glob.h)
56
57AC_CHECK_SIZEOF(int)
58AC_CHECK_SIZEOF(long)
59AC_CHECK_SIZEOF(short)
60
61AC_C_INLINE
62
63AC_TYPE_SIGNAL
64AC_TYPE_UID_T
65AC_TYPE_MODE_T
66AC_TYPE_OFF_T
67AC_TYPE_SIZE_T
68AC_TYPE_PID_T
69AC_TYPE_GETGROUPS
70AC_STRUCT_ST_RDEV
71AC_CHECK_TYPE(ino_t,unsigned)
72
73AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
74 AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
75 rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
76if test x"$rsync_cv_errno" = x"yes"; then
77 AC_DEFINE(HAVE_ERRNO_DECL)
78fi
79
80# The following test taken from the cvs sources
81# If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
82# These need checks to be before checks for any other functions that
83# might be in the same libraries.
84# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
85# libsocket.so which has a bad implementation of gethostbyname (it
86# only looks in /etc/hosts), so we only look for -lsocket if we need
87# it.
88AC_CHECK_FUNCS(connect)
89if test x"$ac_cv_func_connect" = x"no"; then
90 case "$LIBS" in
91 *-lnsl*) ;;
92 *) AC_CHECK_LIB(nsl_s, printf) ;;
93 esac
94 case "$LIBS" in
95 *-lnsl*) ;;
96 *) AC_CHECK_LIB(nsl, printf) ;;
97 esac
98 case "$LIBS" in
99 *-lsocket*) ;;
100 *) AC_CHECK_LIB(socket, connect) ;;
101 esac
102 case "$LIBS" in
103 *-linet*) ;;
104 *) AC_CHECK_LIB(inet, connect) ;;
105 esac
106 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
107 dnl has been cached.
108 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
109 test x"$ac_cv_lib_inet_connect" = x"yes"; then
110 # ac_cv_func_connect=yes
111 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
112 AC_DEFINE(HAVE_CONNECT)
113 fi
114fi
115
116#
117# if we can't find strcasecmp, look in -lresolv (for Unixware at least)
118#
119AC_CHECK_FUNCS(strcasecmp)
120if test x"$ac_cv_func_strcasecmp" = x"no"; then
121 AC_CHECK_LIB(resolv, strcasecmp)
122fi
123
124AC_FUNC_MEMCMP
125AC_FUNC_UTIME_NULL
126AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
127AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
128AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf setsid glob strpbrk)
129AC_CHECK_FUNCS(strlcat strlcpy)
130
131AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
132AC_TRY_RUN([#include <sys/types.h>
133 #include <sys/socket.h>
134 main() {
135 int fd[2];
136 exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
137 }],
138rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
139if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
140 AC_DEFINE(HAVE_SOCKETPAIR)
141fi
142
143AC_CACHE_CHECK([for working fnmatch],rsync_cv_HAVE_FNMATCH,[
144AC_TRY_RUN([#include <fnmatch.h>
145main() { exit((fnmatch("*.o", "x.o", FNM_PATHNAME) == 0 &&
146 fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME) != 0) ? 0: 1); }],
147rsync_cv_HAVE_FNMATCH=yes,rsync_cv_HAVE_FNMATCH=no,rsync_cv_HAVE_FNMATCH=cross)])
148if test x"$rsync_cv_HAVE_FNMATCH" = x"yes"; then
149 AC_DEFINE(HAVE_FNMATCH)
150fi
151
152if test x"$with_included_popt" != x"yes"
153then
154 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
155fi
156
157AC_MSG_CHECKING("whether to use included libpopt")
158if test x"$with_included_popt" = x"yes"
159then
160 AC_MSG_RESULT("$srcdir/popt")
161 BUILD_POPT='$(popt_OBJS)'
162 CFLAGS="$CFLAGS -I $srcdir/popt"
163else
164 AC_MSG_RESULT(no)
165fi
166
167AC_CACHE_CHECK([for long long],rsync_cv_HAVE_LONGLONG,[
168AC_TRY_RUN([#include <stdio.h>
169main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
170rsync_cv_HAVE_LONGLONG=yes,rsync_cv_HAVE_LONGLONG=no,rsync_cv_HAVE_LONGLONG=cross)])
171if test x"$rsync_cv_HAVE_LONGLONG" = x"yes"; then
172 AC_DEFINE(HAVE_LONGLONG)
173fi
174
175AC_CACHE_CHECK([for off64_t],rsync_cv_HAVE_OFF64_T,[
176AC_TRY_RUN([#include <stdio.h>
177#include <sys/stat.h>
178main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
179rsync_cv_HAVE_OFF64_T=yes,rsync_cv_HAVE_OFF64_T=no,rsync_cv_HAVE_OFF64_T=cross)])
180if test x"$rsync_cv_HAVE_OFF64_T" = x"yes"; then
181 AC_DEFINE(HAVE_OFF64_T)
182fi
183
184AC_CACHE_CHECK([for short ino_t],rsync_cv_HAVE_SHORT_INO_T,[
185AC_TRY_RUN([#include <stdio.h>
186#include <sys/types.h>
187#include <sys/stat.h>
188main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
189rsync_cv_HAVE_SHORT_INO_T=yes,rsync_cv_HAVE_SHORT_INO_T=no,rsync_cv_HAVE_SHORT_INO_T=cross)])
190if test x"$rsync_cv_HAVE_SHORT_INO_T" = x"yes"; then
191 AC_DEFINE(HAVE_SHORT_INO_T)
192fi
193
194AC_CACHE_CHECK([for unsigned char],rsync_cv_HAVE_UNSIGNED_CHAR,[
195AC_TRY_RUN([#include <stdio.h>
196main() { char c; c=250; exit((c > 0)?0:1); }],
197rsync_cv_HAVE_UNSIGNED_CHAR=yes,rsync_cv_HAVE_UNSIGNED_CHAR=no,rsync_cv_HAVE_UNSIGNED_CHAR=cross)])
198if test x"$rsync_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
199 AC_DEFINE(HAVE_UNSIGNED_CHAR)
200fi
201
202AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
203AC_TRY_RUN([#include <sys/types.h>
204#include <dirent.h>
205main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
206if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
207di->d_name[0] == 0) exit(0); exit(1);} ],
208rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)])
209if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
210 AC_DEFINE(HAVE_BROKEN_READDIR)
211fi
212
213AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_UTIMBUF,[
214AC_TRY_COMPILE([#include <sys/types.h>
215#include <utime.h>],
216[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
217rsync_cv_HAVE_UTIMBUF=yes,rsync_cv_HAVE_UTIMBUF=no,rsync_cv_HAVE_UTIMBUF=cross)])
218if test x"$rsync_cv_HAVE_UTIMBUF" = x"yes"; then
219 AC_DEFINE(HAVE_UTIMBUF)
220fi
221
222AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
223AC_TRY_RUN([
224#include <sys/time.h>
225#include <unistd.h>
226main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
227 rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no,rsync_cv_HAVE_GETTIMEOFDAY_TZ=cross)])
228if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
229 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ)
230fi
231
232
233AC_CACHE_CHECK([for broken inet_ntoa],rsync_cv_REPLACE_INET_NTOA,[
234AC_TRY_RUN([
235#include <stdio.h>
236#include <sys/types.h>
237#include <netinet/in.h>
238#include <arpa/inet.h>
239main() { struct in_addr ip; ip.s_addr = 0x12345678;
240if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
241 strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(1); }
242exit(0);}],
243 rsync_cv_REPLACE_INET_NTOA=no,rsync_cv_REPLACE_INET_NTOA=yes,rsync_cv_REPLACE_INET_NTOA=cross)])
244if test x"$rsync_cv_REPLACE_INET_NTOA" = x"yes"; then
245 AC_DEFINE(REPLACE_INET_NTOA)
246fi
247
248
249AC_CACHE_CHECK([for broken inet_aton],rsync_cv_REPLACE_INET_ATON,[
250AC_TRY_RUN([
251#include <stdio.h>
252#include <sys/types.h>
253#include <netinet/in.h>
254#include <arpa/inet.h>
255main() { struct in_addr ip;
256if (inet_aton("example", &ip) == 0) exit(0); exit(1);}],
257 rsync_cv_REPLACE_INET_ATON=no,rsync_cv_REPLACE_INET_ATON=yes,rsync_cv_REPLACE_INET_ATON=cross)])
258if test x"$rsync_cv_REPLACE_INET_ATON" = x"yes"; then
259 AC_DEFINE(REPLACE_INET_ATON)
260fi
261
262#
263# The following test was mostly taken from the tcl/tk plus patches
264#
265AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
266rm -rf conftest*
267cat > conftest.$ac_ext <<EOF
268int main() { return 0; }
269EOF
270${CC-cc} -c -o conftest..o conftest.$ac_ext
271if test -f conftest..o; then
272 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
273else
274 rsync_cv_DASHC_WORKS_WITH_DASHO=no
275fi
276rm -rf conftest*
277])
278if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
279 OBJ_SAVE="#"
280 OBJ_RESTORE="#"
281 CC_SHOBJ_FLAG='-o $@'
282else
283 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
284 OBJ_RESTORE=' @b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
285 CC_SHOBJ_FLAG=""
286fi
287
288AC_SUBST(OBJ_SAVE)
289AC_SUBST(OBJ_RESTORE)
290AC_SUBST(CC_SHOBJ_FLAG)
291AC_SUBST(BUILD_POPT)
292
293AC_OUTPUT(Makefile lib/dummy zlib/dummy)