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 sys/select.h)
65 AC_CHECK_HEADERS(setjmp.h)
68 [AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,
77 [AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],,
85 AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
86 AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
87 samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
88 if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
89 AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
93 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
94 AC_CHECK_HEADERS(sys/time.h time.h)
95 AC_CHECK_HEADERS(stdarg.h vararg.h)
96 AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
97 AC_CHECK_HEADERS(netinet/ip.h netinet/tcp.h netinet/in_systm.h netinet/in_ip.h)
98 AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
101 dnl we need to check that net/if.h really can be used, to cope with hpux
102 dnl where including it always fails
103 AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
104 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
106 #if HAVE_SYS_SOCKET_H
107 # include <sys/socket.h>
110 int main(void) {return 0;}])],
111 [libreplace_cv_USABLE_NET_IF_H=yes],
112 [libreplace_cv_USABLE_NET_IF_H=no]
115 if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
116 AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
119 AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[
123 #include <sys/types.h>
124 #include <netinet/in.h>
125 #ifdef HAVE_ARPA_INET_H
126 #include <arpa/inet.h>
128 main() { struct in_addr ip; ip.s_addr = 0x12345678;
129 if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
130 strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
132 samba_cv_REPLACE_INET_NTOA=yes,samba_cv_REPLACE_INET_NTOA=no,samba_cv_REPLACE_INET_NTOA=cross)])
133 if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
134 AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
137 dnl Provided by replace.c:
139 #include <sys/types.h>
144 #include <sys/socket.h>],
146 [AC_DEFINE(socklen_t, int,[Socket length type])])
148 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
149 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
150 AC_CHECK_FUNCS(waitpid strlcpy strlcat innetgr initgroups memmove strdup)
151 AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp socketpair)
152 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
153 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
154 AC_HAVE_DECL(errno, [#include <errno.h>])
156 AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[
157 AC_TRY_RUN([#include <stdlib.h>
158 #include <sys/types.h>
159 #include <sys/stat.h>
163 char tpl[20]="/tmp/test.XXXXXX";
164 int fd = mkstemp(tpl);
165 if (fd == -1) exit(1);
167 if (fstat(fd, &st) != 0) exit(1);
168 if ((st.st_mode & 0777) != 0600) exit(1);
171 samba_cv_HAVE_SECURE_MKSTEMP=yes,
172 samba_cv_HAVE_SECURE_MKSTEMP=no,
173 samba_cv_HAVE_SECURE_MKSTEMP=cross)])
174 if test x"$samba_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
175 AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
178 dnl Provided by snprintf.c:
179 AC_CHECK_HEADERS(stdio.h strings.h)
180 AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf])
181 AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
183 AC_CACHE_CHECK([for C99 vsnprintf],samba_cv_HAVE_C99_VSNPRINTF,[
185 #include <sys/types.h>
189 void foo(const char *format, ...) {
193 long long l = 1234567890;
196 va_start(ap, format);
197 len = vsnprintf(buf, 0, format, ap);
199 if (len != 5) exit(1);
201 va_start(ap, format);
202 len = vsnprintf(0, 0, format, ap);
204 if (len != 5) exit(2);
206 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
208 if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
209 if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
210 if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
211 if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
215 main() { foo("hello"); }
217 samba_cv_HAVE_C99_VSNPRINTF=yes,samba_cv_HAVE_C99_VSNPRINTF=no,samba_cv_HAVE_C99_VSNPRINTF=cross)])
218 if test x"$samba_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
219 AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
224 AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[
225 AC_TRY_LINK([#include <stdarg.h>
226 va_list ap1,ap2;], [va_copy(ap1,ap2);],
227 samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)])
228 if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then
229 AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
232 if test x"$samba_cv_HAVE_VA_COPY" != x"yes"; then
233 AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE___VA_COPY,[
234 AC_TRY_LINK([#include <stdarg.h>
235 va_list ap1,ap2;], [__va_copy(ap1,ap2);],
236 samba_cv_HAVE___VA_COPY=yes,samba_cv_HAVE___VA_COPY=no)])
237 if test x"$samba_cv_HAVE___VA_COPY" = x"yes"; then
238 AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
242 dnl __FUNCTION__ macro
243 AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[
244 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
245 samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)])
246 if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
247 AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
250 AC_CACHE_CHECK([for __func__ macro],samba_cv_HAVE_func_MACRO,[
251 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);],
252 samba_cv_HAVE_func_MACRO=yes,samba_cv_HAVE_func_MACRO=no)])
253 if test x"$samba_cv_HAVE_func_MACRO" = x"yes"; then
254 AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro])
258 AC_CHECK_HEADERS([sys/param.h limits.h])
260 AC_CHECK_TYPE(comparison_fn_t,
261 [AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
263 AC_CHECK_FUNCS(strnlen setenv)
264 AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
266 # this test disabled as we don't actually need __VA_ARGS__ yet
268 #define eprintf(...) fprintf(stderr, __VA_ARGS__)
269 eprintf("bla", "bar");
270 ], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
272 # Check prerequisites
273 AC_CHECK_FUNCS([memset printf syslog], [],
274 [ AC_MSG_ERROR([Required function not found])])
276 AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
278 #include <sys/types.h>
283 #include <signal.h>],[sig_atomic_t i = 0],
284 samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)])
285 if test x"$samba_cv_sig_atomic_t" = x"yes"; then
286 AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
290 AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
296 [int fd = open("/dev/null", O_DIRECT);],
297 samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
298 if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
299 AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
303 AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
304 dnl Check whether the compiler can generate precompiled headers
306 if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
307 precompiled_headers=yes
309 precompiled_headers=no
311 AC_SUBST(precompiled_headers)
314 dnl Check if the C compiler understands volatile (it should, being ANSI).
315 AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
316 AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
317 samba_cv_volatile=yes,samba_cv_volatile=no)])
318 if test x"$samba_cv_volatile" = x"yes"; then
319 AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
322 m4_include(system/config.m4)
325 m4_include(getpass.m4)
327 m4_include(timegm.m4)
328 m4_include(repdir.m4)
330 AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],,
331 [AC_MSG_ERROR([Required function not found])])
333 echo "LIBREPLACE_BROKEN_CHECKS: END"
334 ]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
336 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START,
338 #LIBREPLACE_ALL_CHECKS: START"
340 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END,
342 #LIBREPLACE_ALL_CHECKS: END"
344 m4_define(AC_LIBREPLACE_ALL_CHECKS,
346 AC__LIBREPLACE_ALL_CHECKS_START
347 AC_LIBREPLACE_LOCATION_CHECKS
348 AC_LIBREPLACE_CC_CHECKS
349 AC_LIBREPLACE_BROKEN_CHECKS
350 AC__LIBREPLACE_ALL_CHECKS_END
353 m4_include(libreplace_cc.m4)
354 m4_include(libreplace_macros.m4)
355 m4_include(autoconf-2.60.m4)