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 $srcdir/../lib/replace $srcdir/../../../lib/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 $libreplacepaths])
19 LIBREPLACEOBJ="$libreplacedir/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 libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libreplace $srcdir/../replace $srcdir/../lib/replace $srcdir/../../../lib/replace"
38 for d in $libreplacepaths; do
39 if test -f "$d/replace.c"; then
41 AC_SUBST(libreplacedir)
45 if test x"$libreplacedir" = "x"; then
46 AC_MSG_ERROR([cannot find libreplace in $libreplacepaths])
49 LIBREPLACEOBJ="$libreplacedir/replace.o"
50 AC_SUBST(LIBREPLACEOBJ)
52 LIBREPLACEOBJ="${LIBREPLACEOBJ} $libreplacedir/snprintf.o"
60 AC_CHECK_TYPE(ino_t,unsigned)
61 AC_CHECK_TYPE(loff_t,off_t)
62 AC_CHECK_TYPE(offset_t,loff_t)
66 AC_CHECK_FUNCS([pipe strftime srandom random srand rand usleep setbuffer lstat getpgrp utime utimes])
68 AC_CHECK_HEADERS(stdbool.h stdint.h sys/select.h)
69 AC_CHECK_HEADERS(setjmp.h utime.h sys/wait.h)
71 LIBREPLACE_PROVIDE_HEADER([stdint.h])
72 LIBREPLACE_PROVIDE_HEADER([stdbool.h])
75 [AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,
84 [AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],,
92 AC_CHECK_HEADERS(linux/types.h)
94 AC_CACHE_CHECK([for working mmap],libreplace_cv_HAVE_MMAP,[
95 AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
96 libreplace_cv_HAVE_MMAP=yes,libreplace_cv_HAVE_MMAP=no,libreplace_cv_HAVE_MMAP=cross)])
97 if test x"$libreplace_cv_HAVE_MMAP" = x"yes"; then
98 AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
102 AC_CHECK_HEADERS(sys/syslog.h syslog.h)
103 AC_CHECK_HEADERS(sys/time.h time.h)
104 AC_CHECK_HEADERS(stdarg.h vararg.h)
105 AC_CHECK_HEADERS(sys/mount.h mntent.h)
106 AC_CHECK_HEADERS(stropts.h)
107 AC_CHECK_HEADERS(unix.h)
108 AC_CHECK_HEADERS(sys/ucontext.h)
110 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror strerror_r)
111 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
112 AC_CHECK_FUNCS(waitpid wait4 strlcpy strlcat initgroups memmove strdup)
113 AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp dup2 dprintf vdprintf)
114 AC_CHECK_FUNCS(isatty chown lchown link readlink symlink realpath)
115 AC_CHECK_FUNCS(fdatasync,,[
116 # if we didn't find it, look in librt (Solaris hides it there...)
117 AC_CHECK_LIB(rt, fdatasync,
118 [libreplace_cv_HAVE_FDATASYNC_IN_LIBRT=yes
119 AC_DEFINE(HAVE_FDATASYNC, 1, Define to 1 if there is support for fdatasync)])
121 AC_HAVE_DECL(fdatasync, [#include <unistd.h>])
122 AC_CHECK_FUNCS(clock_gettime,libreplace_cv_have_clock_gettime=yes,[
123 AC_CHECK_LIB(rt, clock_gettime,
124 [libreplace_cv_HAVE_CLOCK_GETTIME_IN_LIBRT=yes
125 libreplace_cv_have_clock_gettime=yes
126 AC_DEFINE(HAVE_CLOCK_GETTIME, 1, Define to 1 if there is support for clock_gettime)])
128 AC_CHECK_FUNCS(get_current_dir_name)
129 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
130 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
131 AC_HAVE_DECL(errno, [#include <errno.h>])
133 AC_CACHE_CHECK([for secure mkstemp],libreplace_cv_HAVE_SECURE_MKSTEMP,[
134 AC_TRY_RUN([#include <stdlib.h>
135 #include <sys/types.h>
136 #include <sys/stat.h>
140 char tpl[20]="/tmp/test.XXXXXX";
141 int fd = mkstemp(tpl);
142 if (fd == -1) exit(1);
144 if (fstat(fd, &st) != 0) exit(1);
145 if ((st.st_mode & 0777) != 0600) exit(1);
148 libreplace_cv_HAVE_SECURE_MKSTEMP=yes,
149 libreplace_cv_HAVE_SECURE_MKSTEMP=no,
150 libreplace_cv_HAVE_SECURE_MKSTEMP=cross)])
151 if test x"$libreplace_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
152 AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
155 dnl Provided by snprintf.c:
156 AC_CHECK_HEADERS(stdio.h strings.h)
157 AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf])
158 AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
160 AC_CACHE_CHECK([for C99 vsnprintf],libreplace_cv_HAVE_C99_VSNPRINTF,[
162 #include <sys/types.h>
166 void foo(const char *format, ...) {
170 long long l = 1234567890;
173 va_start(ap, format);
174 len = vsnprintf(buf, 0, format, ap);
176 if (len != 5) exit(1);
178 va_start(ap, format);
179 len = vsnprintf(0, 0, format, ap);
181 if (len != 5) exit(2);
183 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
185 if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
186 if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
187 if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
188 if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
192 main() { foo("hello"); }
194 libreplace_cv_HAVE_C99_VSNPRINTF=yes,libreplace_cv_HAVE_C99_VSNPRINTF=no,libreplace_cv_HAVE_C99_VSNPRINTF=cross)])
195 if test x"$libreplace_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
196 AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
201 AC_CACHE_CHECK([for va_copy],libreplace_cv_HAVE_VA_COPY,[
202 AC_TRY_LINK([#include <stdarg.h>
203 va_list ap1,ap2;], [va_copy(ap1,ap2);],
204 libreplace_cv_HAVE_VA_COPY=yes,libreplace_cv_HAVE_VA_COPY=no)])
205 if test x"$libreplace_cv_HAVE_VA_COPY" = x"yes"; then
206 AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
209 if test x"$libreplace_cv_HAVE_VA_COPY" != x"yes"; then
210 AC_CACHE_CHECK([for __va_copy],libreplace_cv_HAVE___VA_COPY,[
211 AC_TRY_LINK([#include <stdarg.h>
212 va_list ap1,ap2;], [__va_copy(ap1,ap2);],
213 libreplace_cv_HAVE___VA_COPY=yes,libreplace_cv_HAVE___VA_COPY=no)])
214 if test x"$libreplace_cv_HAVE___VA_COPY" = x"yes"; then
215 AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
219 dnl __FUNCTION__ macro
220 AC_CACHE_CHECK([for __FUNCTION__ macro],libreplace_cv_HAVE_FUNCTION_MACRO,[
221 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
222 libreplace_cv_HAVE_FUNCTION_MACRO=yes,libreplace_cv_HAVE_FUNCTION_MACRO=no)])
223 if test x"$libreplace_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
224 AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
227 AC_CACHE_CHECK([for __func__ macro],libreplace_cv_HAVE_func_MACRO,[
228 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);],
229 libreplace_cv_HAVE_func_MACRO=yes,libreplace_cv_HAVE_func_MACRO=no)])
230 if test x"$libreplace_cv_HAVE_func_MACRO" = x"yes"; then
231 AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro])
235 AC_CHECK_HEADERS([sys/param.h limits.h])
237 AC_CHECK_TYPE(comparison_fn_t,
238 [AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
240 AC_HAVE_DECL(setenv, [#include <stdlib.h>])
241 AC_CHECK_FUNCS(setenv unsetenv)
242 AC_HAVE_DECL(environ, [#include <unistd.h>])
244 AC_CHECK_FUNCS(strnlen)
245 AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
247 AC_CHECK_FUNCS(memmem)
249 # this test disabled as we don't actually need __VA_ARGS__ yet
251 #define eprintf(...) fprintf(stderr, __VA_ARGS__)
252 eprintf("bla", "bar");
253 ], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
256 AC_CACHE_CHECK([for sig_atomic_t type],libreplace_cv_sig_atomic_t, [
258 #include <sys/types.h>
263 #include <signal.h>],[sig_atomic_t i = 0],
264 libreplace_cv_sig_atomic_t=yes,libreplace_cv_sig_atomic_t=no)])
265 if test x"$libreplace_cv_sig_atomic_t" = x"yes"; then
266 AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
270 dnl Check if the C compiler understands volatile (it should, being ANSI).
271 AC_CACHE_CHECK([that the C compiler understands volatile],libreplace_cv_volatile, [
272 AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
273 libreplace_cv_volatile=yes,libreplace_cv_volatile=no)])
274 if test x"$libreplace_cv_volatile" = x"yes"; then
275 AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
278 m4_include(system/config.m4)
280 AC_CACHE_CHECK([for O_DIRECT flag to open(2)],libreplace_cv_HAVE_OPEN_O_DIRECT,[
286 [int fd = open("/dev/null", O_DIRECT);],
287 libreplace_cv_HAVE_OPEN_O_DIRECT=yes,libreplace_cv_HAVE_OPEN_O_DIRECT=no)])
288 if test x"$libreplace_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
289 AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
293 m4_include(getpass.m4)
294 m4_include(strptime.m4)
296 m4_include(timegm.m4)
297 m4_include(repdir.m4)
300 if test x$libreplace_cv_have_clock_gettime = xyes ; then
301 SMB_CHECK_CLOCK_ID(CLOCK_MONOTONIC)
302 SMB_CHECK_CLOCK_ID(CLOCK_PROCESS_CPUTIME_ID)
303 SMB_CHECK_CLOCK_ID(CLOCK_REALTIME)
306 AC_CACHE_CHECK([for struct timespec type],libreplace_cv_struct_timespec, [
308 #include <sys/types.h>
313 #if TIME_WITH_SYS_TIME
314 # include <sys/time.h>
318 # include <sys/time.h>
323 ],[struct timespec ts;],
324 libreplace_cv_struct_timespec=yes,libreplace_cv_struct_timespec=no)])
325 if test x"$libreplace_cv_struct_timespec" = x"yes"; then
326 AC_DEFINE(HAVE_STRUCT_TIMESPEC,1,[Whether we have struct timespec])
329 AC_CACHE_CHECK([for ucontext_t type],libreplace_cv_ucontext_t, [
332 #if HAVE_SYS_UCONTEXT_H
333 #include <sys/ucontext.h>
335 ],[ucontext_t uc; sigaddset(&uc.uc_sigmask, SIGUSR1);],
336 libreplace_cv_ucontext_t=yes,libreplace_cv_ucontext_t=no)])
337 if test x"$libreplace_cv_ucontext_t" = x"yes"; then
338 AC_DEFINE(HAVE_UCONTEXT_T,1,[Whether we have ucontext_t])
341 AC_CHECK_FUNCS([printf memset memcpy],,[AC_MSG_ERROR([Required function not found])])
343 echo "LIBREPLACE_BROKEN_CHECKS: END"
344 ]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
346 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START,
348 #LIBREPLACE_ALL_CHECKS: START"
350 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END,
352 #LIBREPLACE_ALL_CHECKS: END"
354 m4_define(AC_LIBREPLACE_ALL_CHECKS,
356 AC__LIBREPLACE_ALL_CHECKS_START
357 AC_LIBREPLACE_LOCATION_CHECKS
358 AC_LIBREPLACE_CC_CHECKS
359 AC_LIBREPLACE_BROKEN_CHECKS
360 AC__LIBREPLACE_ALL_CHECKS_END
361 CFLAGS="$CFLAGS -I$libreplacedir"
364 m4_include(libreplace_cc.m4)
365 m4_include(libreplace_ld.m4)
366 m4_include(libreplace_network.m4)
367 m4_include(libreplace_macros.m4)
370 dnl SMB_CHECK_CLOCK_ID(clockid)
371 dnl Test whether the specified clock_gettime clock ID is available. If it
372 dnl is, we define HAVE_clockid
373 AC_DEFUN([SMB_CHECK_CLOCK_ID],
375 AC_MSG_CHECKING(for $1)
377 #if TIME_WITH_SYS_TIME
378 # include <sys/time.h>
382 # include <sys/time.h>
393 AC_DEFINE(HAVE_$1, 1,
394 [Whether the clock_gettime clock ID $1 is available])
400 m4_ifndef([AC_USE_SYSTEM_EXTENSIONS],[m4_include(autoconf-2.60.m4)])