source: trunk/samba/source/lib/replace/libreplace.m4 @ 30

Last change on this file since 30 was 30, checked in by Paul Smedley, 14 years ago

Code updated to Samba 3.0.25rc2 level

File size: 11.1 KB
Line 
1AC_DEFUN_ONCE(AC_LIBREPLACE_LOCATION_CHECKS,
2[
3echo "LIBREPLACE_LOCATION_CHECKS: START"
4
5dnl find the libreplace sources. This is meant to work both for
6dnl libreplace standalone builds, and builds of packages using libreplace
7libreplacedir=""
8libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libreplace $srcdir/../replace"
9for d in $libreplacepaths; do
10        if test -f "$d/replace.c"; then
11                libreplacedir="$d"             
12                AC_SUBST(libreplacedir)
13                break;
14        fi
15done
16if test x"$libreplacedir" = "x"; then
17        AC_MSG_ERROR([cannot find libreplace in $libreplacepaths])
18fi
19LIBREPLACEOBJ="replace.o"
20AC_SUBST(LIBREPLACEOBJ)
21
22AC_CANONICAL_BUILD
23AC_CANONICAL_HOST
24AC_CANONICAL_TARGET
25
26echo "LIBREPLACE_LOCATION_CHECKS: END"
27]) dnl end AC_LIBREPLACE_LOCATION_CHECKS
28
29
30AC_DEFUN_ONCE(AC_LIBREPLACE_BROKEN_CHECKS,
31[
32echo "LIBREPLACE_BROKEN_CHECKS: START"
33
34dnl find the libreplace sources. This is meant to work both for
35dnl libreplace standalone builds, and builds of packages using libreplace
36libreplacedir=""
37for d in "$srcdir" "$srcdir/lib/replace" "$srcdir/libreplace" "$srcdir/../libreplace" "$srcdir/../replace"; do
38        if test -f "$d/replace.c"; then
39                libreplacedir="$d"             
40                AC_SUBST(libreplacedir)
41                break;
42        fi
43done
44LIBREPLACEOBJ="replace.o"
45AC_SUBST(LIBREPLACEOBJ)
46
47LIBREPLACEOBJ="${LIBREPLACEOBJ} snprintf.o"
48
49AC_TYPE_SIGNAL
50AC_TYPE_UID_T
51AC_TYPE_MODE_T
52AC_TYPE_OFF_T
53AC_TYPE_SIZE_T
54AC_TYPE_PID_T
55AC_STRUCT_ST_RDEV
56AC_CHECK_TYPE(ino_t,unsigned)
57AC_CHECK_TYPE(loff_t,off_t)
58AC_CHECK_TYPE(offset_t,loff_t)
59
60AC_FUNC_MEMCMP
61
62AC_CHECK_FUNCS(pipe strftime srandom random srand rand usleep setbuffer lstat getpgrp)
63
64AC_CHECK_HEADERS(stdbool.h stdint.h sys/select.h)
65AC_CHECK_HEADERS(setjmp.h)
66
67LIBREPLACE_PROVIDE_HEADER([stdint.h])
68LIBREPLACE_PROVIDE_HEADER([stdbool.h])
69
70AC_CHECK_TYPE(bool,
71[AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,
72[
73AC_INCLUDES_DEFAULT
74#ifdef HAVE_STDBOOL_H
75#include <stdbool.h>
76#endif]
77)
78
79AC_CHECK_TYPE(_Bool,
80[AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],,
81[
82AC_INCLUDES_DEFAULT
83#ifdef HAVE_STDBOOL_H
84#include <stdbool.h>
85#endif]
86)
87
88AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
89AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
90           samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
91if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
92    AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
93fi
94
95
96AC_CHECK_HEADERS(sys/syslog.h syslog.h)
97AC_CHECK_HEADERS(sys/time.h time.h)
98AC_CHECK_HEADERS(stdarg.h vararg.h)
99AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
100AC_CHECK_HEADERS(netinet/ip.h netinet/tcp.h netinet/in_systm.h netinet/in_ip.h)
101AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
102
103
104dnl we need to check that net/if.h really can be used, to cope with hpux
105dnl where including it always fails
106AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
107        AC_COMPILE_IFELSE([AC_LANG_SOURCE([
108                AC_INCLUDES_DEFAULT
109                #if HAVE_SYS_SOCKET_H
110                # include <sys/socket.h>
111                #endif
112                #include <net/if.h>
113                int main(void) {return 0;}])],
114                [libreplace_cv_USABLE_NET_IF_H=yes],
115                [libreplace_cv_USABLE_NET_IF_H=no]
116        )
117])
118if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
119        AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
120fi
121
122AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[
123AC_TRY_RUN([
124#include <stdio.h>
125#include <unistd.h>
126#include <sys/types.h>
127#include <netinet/in.h>
128#ifdef HAVE_ARPA_INET_H
129#include <arpa/inet.h>
130#endif
131main() { struct in_addr ip; ip.s_addr = 0x12345678;
132if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
133    strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
134exit(1);}],
135           samba_cv_REPLACE_INET_NTOA=yes,samba_cv_REPLACE_INET_NTOA=no,samba_cv_REPLACE_INET_NTOA=cross)])
136if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
137    AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
138fi
139
140dnl Provided by replace.c:
141AC_TRY_COMPILE([
142#include <sys/types.h>
143#if STDC_HEADERS
144#include <stdlib.h>
145#include <stddef.h>
146#endif
147#include <sys/socket.h>],
148[socklen_t foo;],,
149[AC_DEFINE(socklen_t, int,[Socket length type])])
150
151AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
152AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
153AC_CHECK_FUNCS(waitpid strlcpy strlcat initgroups memmove strdup)
154AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp socketpair)
155AC_HAVE_DECL(setresuid, [#include <unistd.h>])
156AC_HAVE_DECL(setresgid, [#include <unistd.h>])
157AC_HAVE_DECL(errno, [#include <errno.h>])
158
159AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[
160AC_TRY_RUN([#include <stdlib.h>
161#include <sys/types.h>
162#include <sys/stat.h>
163#include <unistd.h>
164main() {
165  struct stat st;
166  char tpl[20]="/tmp/test.XXXXXX";
167  int fd = mkstemp(tpl);
168  if (fd == -1) exit(1);
169  unlink(tpl);
170  if (fstat(fd, &st) != 0) exit(1);
171  if ((st.st_mode & 0777) != 0600) exit(1);
172  exit(0);
173}],
174samba_cv_HAVE_SECURE_MKSTEMP=yes,
175samba_cv_HAVE_SECURE_MKSTEMP=no,
176samba_cv_HAVE_SECURE_MKSTEMP=cross)])
177if test x"$samba_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
178    AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
179fi
180
181dnl Provided by snprintf.c:
182AC_CHECK_HEADERS(stdio.h strings.h)
183AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf])
184AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
185
186AC_CACHE_CHECK([for C99 vsnprintf],samba_cv_HAVE_C99_VSNPRINTF,[
187AC_TRY_RUN([
188#include <sys/types.h>
189#include <stdio.h>
190#include <stdarg.h>
191#include <stdlib.h>
192void foo(const char *format, ...) {
193       va_list ap;
194       int len;
195       char buf[20];
196       long long l = 1234567890;
197       l *= 100;
198
199       va_start(ap, format);
200       len = vsnprintf(buf, 0, format, ap);
201       va_end(ap);
202       if (len != 5) exit(1);
203
204       va_start(ap, format);
205       len = vsnprintf(0, 0, format, ap);
206       va_end(ap);
207       if (len != 5) exit(2);
208
209       if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
210
211       if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
212       if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
213       if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
214       if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
215
216       exit(0);
217}
218main() { foo("hello"); }
219],
220samba_cv_HAVE_C99_VSNPRINTF=yes,samba_cv_HAVE_C99_VSNPRINTF=no,samba_cv_HAVE_C99_VSNPRINTF=cross)])
221if test x"$samba_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
222    AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
223fi
224
225
226dnl VA_COPY
227AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[
228AC_TRY_LINK([#include <stdarg.h>
229va_list ap1,ap2;], [va_copy(ap1,ap2);],
230samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)])
231if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then
232    AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
233fi
234
235if test x"$samba_cv_HAVE_VA_COPY" != x"yes"; then
236AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE___VA_COPY,[
237AC_TRY_LINK([#include <stdarg.h>
238va_list ap1,ap2;], [__va_copy(ap1,ap2);],
239samba_cv_HAVE___VA_COPY=yes,samba_cv_HAVE___VA_COPY=no)])
240if test x"$samba_cv_HAVE___VA_COPY" = x"yes"; then
241    AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
242fi
243fi
244
245dnl __FUNCTION__ macro
246AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
247AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
248samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
249if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
250    AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
251else
252    dnl __func__ macro
253    AC_CACHE_CHECK([for __func__ macro],samba_cv_HAVE_func_MACRO,[
254    AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);],
255    samba_cv_HAVE_func_MACRO=yes,samba_cv_HAVE_func_MACRO=no)])
256    if test x"$samba_cv_HAVE_func_MACRO" = x"yes"; then
257       AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro])
258    fi
259fi
260
261AC_CHECK_HEADERS([sys/param.h limits.h])
262
263AC_CHECK_TYPE(comparison_fn_t,
264[AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
265
266AC_HAVE_DECL(setenv, [#include <stdlib.h>])
267AC_CHECK_FUNCS(setenv unsetenv)
268
269AC_CHECK_FUNCS(strnlen)
270AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
271
272# this test disabled as we don't actually need __VA_ARGS__ yet
273AC_TRY_CPP([
274#define eprintf(...) fprintf(stderr, __VA_ARGS__)
275eprintf("bla", "bar");
276], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
277
278# Check prerequisites
279AC_CHECK_FUNCS([memset printf syslog], [],
280                           [ AC_MSG_ERROR([Required function not found])])
281
282AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
283    AC_TRY_COMPILE([
284#include <sys/types.h>
285#if STDC_HEADERS
286#include <stdlib.h>
287#include <stddef.h>
288#endif
289#include <signal.h>],[sig_atomic_t i = 0],
290        samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
291if test x"$samba_cv_sig_atomic_t" = x"yes"; then
292   AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
293fi
294
295
296AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
297AC_TRY_COMPILE([
298#include <unistd.h>
299#ifdef HAVE_FCNTL_H
300#include <fcntl.h>
301#endif],
302[int fd = open("/dev/null", O_DIRECT);],
303samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
304if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
305    AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
306fi
307
308
309AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
310        dnl Check whether the compiler can generate precompiled headers
311        touch conftest.h
312        if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
313                precompiled_headers=yes
314        else
315                precompiled_headers=no
316        fi])
317AC_SUBST(precompiled_headers)
318
319
320dnl Check if the C compiler understands volatile (it should, being ANSI).
321AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
322        AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
323                samba_cv_volatile=yes,samba_cv_volatile=no)])
324if test x"$samba_cv_volatile" = x"yes"; then
325        AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
326fi
327
328m4_include(system/config.m4)
329
330m4_include(dlfcn.m4)
331m4_include(getpass.m4)
332m4_include(strptime.m4)
333m4_include(win32.m4)
334m4_include(timegm.m4)
335m4_include(repdir.m4)
336
337AC_CHECK_FUNCS([syslog memset memcpy],,[AC_MSG_ERROR([Required function not found])])
338
339echo "LIBREPLACE_BROKEN_CHECKS: END"
340]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
341
342AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START,
343[
344#LIBREPLACE_ALL_CHECKS: START"
345])
346AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END,
347[
348#LIBREPLACE_ALL_CHECKS: END"
349])
350m4_define(AC_LIBREPLACE_ALL_CHECKS,
351[
352AC__LIBREPLACE_ALL_CHECKS_START
353AC_LIBREPLACE_LOCATION_CHECKS
354AC_LIBREPLACE_CC_CHECKS
355AC_LIBREPLACE_BROKEN_CHECKS
356AC__LIBREPLACE_ALL_CHECKS_END
357])
358
359m4_include(libreplace_cc.m4)
360m4_include(libreplace_macros.m4)
361m4_include(autoconf-2.60.m4)
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