1 AC_DEFUN_ONCE(AC_LIBREPLACE_LOCATION_CHECKS,
3 echo "LIBREPLACE_LOCATION_CHECKS: START"
5 dnl find the libreplace sources. This is meant to work both for
6 dnl libreplace standalone builds, and builds of packages using libreplace
8 libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libreplace $srcdir/../replace"
9 for d in $libreplacepaths; do
10 if test -f "$d/replace.c"; then
12 AC_SUBST(libreplacedir)
16 if test x"$libreplacedir" = "x"; then
17 AC_MSG_ERROR([cannot find libreplace in $libreplacepaths])
19 LIBREPLACEOBJ="replace.o"
20 AC_SUBST(LIBREPLACEOBJ)
26 echo "LIBREPLACE_LOCATION_CHECKS: END"
27 ]) dnl end AC_LIBREPLACE_LOCATION_CHECKS
30 AC_DEFUN_ONCE(AC_LIBREPLACE_BROKEN_CHECKS,
32 echo "LIBREPLACE_BROKEN_CHECKS: START"
34 dnl find the libreplace sources. This is meant to work both for
35 dnl libreplace standalone builds, and builds of packages using libreplace
37 for d in "$srcdir" "$srcdir/lib/replace" "$srcdir/libreplace" "$srcdir/../libreplace" "$srcdir/../replace"; do
38 if test -f "$d/replace.c"; then
40 AC_SUBST(libreplacedir)
44 LIBREPLACEOBJ="replace.o"
45 AC_SUBST(LIBREPLACEOBJ)
47 LIBREPLACEOBJ="${LIBREPLACEOBJ} snprintf.o"
56 AC_CHECK_TYPE(ino_t,unsigned)
57 AC_CHECK_TYPE(loff_t,off_t)
58 AC_CHECK_TYPE(offset_t,loff_t)
62 AC_CHECK_FUNCS(pipe strftime srandom random srand rand usleep setbuffer lstat getpgrp)
64 AC_CHECK_HEADERS(stdbool.h stdint.h sys/select.h)
65 AC_CHECK_HEADERS(setjmp.h)
67 LIBREPLACE_PROVIDE_HEADER([stdint.h])
68 LIBREPLACE_PROVIDE_HEADER([stdbool.h])
71 [AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,
80 [AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],,
88 AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
89 AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
90 samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
91 if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
92 AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
96 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
97 AC_CHECK_HEADERS(sys/time.h time.h)
98 AC_CHECK_HEADERS(stdarg.h vararg.h)
99 AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
100 AC_CHECK_HEADERS(netinet/ip.h netinet/tcp.h netinet/in_systm.h netinet/in_ip.h)
101 AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
102 AC_CHECK_HEADERS(sys/mount.h mntent.h)
104 dnl we need to check that net/if.h really can be used, to cope with hpux
105 dnl where including it always fails
106 AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
107 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
109 #if HAVE_SYS_SOCKET_H
110 # include <sys/socket.h>
113 int main(void) {return 0;}])],
114 [libreplace_cv_USABLE_NET_IF_H=yes],
115 [libreplace_cv_USABLE_NET_IF_H=no]
118 if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
119 AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
122 AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[
126 #include <sys/types.h>
127 #include <netinet/in.h>
128 #ifdef HAVE_ARPA_INET_H
129 #include <arpa/inet.h>
131 main() { struct in_addr ip; ip.s_addr = 0x12345678;
132 if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
133 strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
135 samba_cv_REPLACE_INET_NTOA=yes,samba_cv_REPLACE_INET_NTOA=no,samba_cv_REPLACE_INET_NTOA=cross)])
136 if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
137 AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
140 dnl Provided by replace.c:
142 #include <sys/types.h>
147 #include <sys/socket.h>],
149 [AC_DEFINE(socklen_t, int,[Socket length type])])
151 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
152 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
153 AC_CHECK_FUNCS(waitpid strlcpy strlcat initgroups memmove strdup)
154 AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp socketpair)
155 AC_CHECK_FUNCS(isatty)
156 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
157 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
158 AC_HAVE_DECL(errno, [#include <errno.h>])
160 AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[
161 AC_TRY_RUN([#include <stdlib.h>
162 #include <sys/types.h>
163 #include <sys/stat.h>
167 char tpl[20]="/tmp/test.XXXXXX";
168 int fd = mkstemp(tpl);
169 if (fd == -1) exit(1);
171 if (fstat(fd, &st) != 0) exit(1);
172 if ((st.st_mode & 0777) != 0600) exit(1);
175 samba_cv_HAVE_SECURE_MKSTEMP=yes,
176 samba_cv_HAVE_SECURE_MKSTEMP=no,
177 samba_cv_HAVE_SECURE_MKSTEMP=cross)])
178 if test x"$samba_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
179 AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
182 dnl Provided by snprintf.c:
183 AC_CHECK_HEADERS(stdio.h strings.h)
184 AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf])
185 AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
187 AC_CACHE_CHECK([for C99 vsnprintf],samba_cv_HAVE_C99_VSNPRINTF,[
189 #include <sys/types.h>
193 void foo(const char *format, ...) {
197 long long l = 1234567890;
200 va_start(ap, format);
201 len = vsnprintf(buf, 0, format, ap);
203 if (len != 5) exit(1);
205 va_start(ap, format);
206 len = vsnprintf(0, 0, format, ap);
208 if (len != 5) exit(2);
210 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
212 if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
213 if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
214 if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
215 if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
219 main() { foo("hello"); }
221 samba_cv_HAVE_C99_VSNPRINTF=yes,samba_cv_HAVE_C99_VSNPRINTF=no,samba_cv_HAVE_C99_VSNPRINTF=cross)])
222 if test x"$samba_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
223 AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
228 AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[
229 AC_TRY_LINK([#include <stdarg.h>
230 va_list ap1,ap2;], [va_copy(ap1,ap2);],
231 samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)])
232 if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then
233 AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
236 if test x"$samba_cv_HAVE_VA_COPY" != x"yes"; then
237 AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE___VA_COPY,[
238 AC_TRY_LINK([#include <stdarg.h>
239 va_list ap1,ap2;], [__va_copy(ap1,ap2);],
240 samba_cv_HAVE___VA_COPY=yes,samba_cv_HAVE___VA_COPY=no)])
241 if test x"$samba_cv_HAVE___VA_COPY" = x"yes"; then
242 AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
246 dnl __FUNCTION__ macro
247 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
248 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
249 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
250 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
251 AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
254 AC_CACHE_CHECK([for __func__ macro],samba_cv_HAVE_func_MACRO,[
255 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);],
256 samba_cv_HAVE_func_MACRO=yes,samba_cv_HAVE_func_MACRO=no)])
257 if test x"$samba_cv_HAVE_func_MACRO" = x"yes"; then
258 AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro])
262 AC_CHECK_HEADERS([sys/param.h limits.h])
264 AC_CHECK_TYPE(comparison_fn_t,
265 [AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
267 AC_HAVE_DECL(setenv, [#include <stdlib.h>])
268 AC_CHECK_FUNCS(setenv unsetenv)
270 AC_CHECK_FUNCS(strnlen)
271 AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
273 # this test disabled as we don't actually need __VA_ARGS__ yet
275 #define eprintf(...) fprintf(stderr, __VA_ARGS__)
276 eprintf("bla", "bar");
277 ], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
279 # Check prerequisites
280 AC_CHECK_FUNCS([memset printf syslog], [],
281 [ AC_MSG_ERROR([Required function not found])])
283 AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
285 #include <sys/types.h>
290 #include <signal.h>],[sig_atomic_t i = 0],
291 samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
292 if test x"$samba_cv_sig_atomic_t" = x"yes"; then
293 AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
297 AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
303 [int fd = open("/dev/null", O_DIRECT);],
304 samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
305 if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
306 AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
310 dnl Check if the C compiler understands volatile (it should, being ANSI).
311 AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
312 AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
313 samba_cv_volatile=yes,samba_cv_volatile=no)])
314 if test x"$samba_cv_volatile" = x"yes"; then
315 AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
318 m4_include(system/config.m4)
321 m4_include(getpass.m4)
322 m4_include(strptime.m4)
324 m4_include(timegm.m4)
325 m4_include(inet_ntop.m4)
326 m4_include(inet_pton.m4)
327 m4_include(repdir.m4)
329 AC_CHECK_FUNCS([syslog memset memcpy],,[AC_MSG_ERROR([Required function not found])])
331 echo "LIBREPLACE_BROKEN_CHECKS: END"
332 ]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
334 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START,
336 #LIBREPLACE_ALL_CHECKS: START"
338 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END,
340 #LIBREPLACE_ALL_CHECKS: END"
342 m4_define(AC_LIBREPLACE_ALL_CHECKS,
344 AC__LIBREPLACE_ALL_CHECKS_START
345 AC_LIBREPLACE_LOCATION_CHECKS
346 AC_LIBREPLACE_CC_CHECKS
347 AC_LIBREPLACE_BROKEN_CHECKS
348 AC__LIBREPLACE_ALL_CHECKS_END
349 CFLAGS="$CFLAGS -I$libreplacedir"
352 m4_include(libreplace_cc.m4)
353 m4_include(libreplace_macros.m4)
354 m4_include(autoconf-2.60.m4)