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1 AC_DEFUN_ONCE(AC_LIBREPLACE_LOCATION_CHECKS, | |
2 [ | |
3 echo "LIBREPLACE_LOCATION_CHECKS: START" | |
4 | |
5 dnl find the libreplace sources. This is meant to work both for | |
6 dnl libreplace standalone builds, and builds of packages using libreplace | |
7 libreplacedir="" | |
8 libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libre
place $srcdir/../replace $srcdir/../lib/replace $srcdir/../../../lib/replace" | |
9 for d in $libreplacepaths; do | |
10 if test -f "$d/replace.c"; then | |
11 libreplacedir="$d" | |
12 AC_SUBST(libreplacedir) | |
13 break; | |
14 fi | |
15 done | |
16 if test x"$libreplacedir" = "x"; then | |
17 AC_MSG_ERROR([cannot find libreplace in $libreplacepaths]) | |
18 fi | |
19 LIBREPLACEOBJ="$libreplacedir/replace.o" | |
20 AC_SUBST(LIBREPLACEOBJ) | |
21 | |
22 AC_CANONICAL_BUILD | |
23 AC_CANONICAL_HOST | |
24 AC_CANONICAL_TARGET | |
25 | |
26 echo "LIBREPLACE_LOCATION_CHECKS: END" | |
27 ]) dnl end AC_LIBREPLACE_LOCATION_CHECKS | |
28 | |
29 | |
30 AC_DEFUN_ONCE(AC_LIBREPLACE_BROKEN_CHECKS, | |
31 [ | |
32 echo "LIBREPLACE_BROKEN_CHECKS: START" | |
33 | |
34 dnl find the libreplace sources. This is meant to work both for | |
35 dnl libreplace standalone builds, and builds of packages using libreplace | |
36 libreplacedir="" | |
37 libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libre
place $srcdir/../replace $srcdir/../lib/replace $srcdir/../../../lib/replace" | |
38 for d in $libreplacepaths; do | |
39 if test -f "$d/replace.c"; then | |
40 libreplacedir="$d" | |
41 AC_SUBST(libreplacedir) | |
42 break; | |
43 fi | |
44 done | |
45 if test x"$libreplacedir" = "x"; then | |
46 AC_MSG_ERROR([cannot find libreplace in $libreplacepaths]) | |
47 fi | |
48 | |
49 LIBREPLACEOBJ="$libreplacedir/replace.o" | |
50 AC_SUBST(LIBREPLACEOBJ) | |
51 | |
52 LIBREPLACEOBJ="${LIBREPLACEOBJ} $libreplacedir/snprintf.o" | |
53 | |
54 AC_TYPE_SIGNAL | |
55 AC_TYPE_UID_T | |
56 AC_TYPE_MODE_T | |
57 AC_TYPE_OFF_T | |
58 AC_TYPE_SIZE_T | |
59 AC_TYPE_PID_T | |
60 AC_STRUCT_ST_RDEV | |
61 AC_CHECK_TYPE(ino_t,unsigned) | |
62 AC_CHECK_TYPE(loff_t,off_t) | |
63 AC_CHECK_TYPE(offset_t,loff_t) | |
64 | |
65 AC_FUNC_MEMCMP | |
66 | |
67 AC_CHECK_FUNCS([pipe strftime srandom random srand rand usleep setbuffer lstat g
etpgrp utime utimes]) | |
68 | |
69 AC_CHECK_HEADERS(stdbool.h stdint.h sys/select.h) | |
70 AC_CHECK_HEADERS(setjmp.h utime.h) | |
71 | |
72 LIBREPLACE_PROVIDE_HEADER([stdint.h]) | |
73 LIBREPLACE_PROVIDE_HEADER([stdbool.h]) | |
74 | |
75 AC_CHECK_TYPE(bool, | |
76 [AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],, | |
77 [ | |
78 AC_INCLUDES_DEFAULT | |
79 #ifdef HAVE_STDBOOL_H | |
80 #include <stdbool.h> | |
81 #endif] | |
82 ) | |
83 | |
84 AC_CHECK_TYPE(_Bool, | |
85 [AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],, | |
86 [ | |
87 AC_INCLUDES_DEFAULT | |
88 #ifdef HAVE_STDBOOL_H | |
89 #include <stdbool.h> | |
90 #endif] | |
91 ) | |
92 | |
93 AC_CACHE_CHECK([for working mmap],libreplace_cv_HAVE_MMAP,[ | |
94 AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"], | |
95 libreplace_cv_HAVE_MMAP=yes,libreplace_cv_HAVE_MMAP=no,libreplace_cv_
HAVE_MMAP=cross)]) | |
96 if test x"$libreplace_cv_HAVE_MMAP" = x"yes"; then | |
97 AC_DEFINE(HAVE_MMAP,1,[Whether mmap works]) | |
98 fi | |
99 | |
100 | |
101 AC_CHECK_HEADERS(sys/syslog.h syslog.h) | |
102 AC_CHECK_HEADERS(sys/time.h time.h) | |
103 AC_CHECK_HEADERS(stdarg.h vararg.h) | |
104 AC_CHECK_HEADERS(sys/mount.h mntent.h) | |
105 AC_CHECK_HEADERS(stropts.h) | |
106 AC_CHECK_HEADERS(unix.h) | |
107 | |
108 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror) | |
109 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename) | |
110 AC_CHECK_FUNCS(waitpid wait4 strlcpy strlcat initgroups memmove strdup) | |
111 AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp dup2) | |
112 AC_CHECK_FUNCS(isatty chown lchown link readlink symlink realpath) | |
113 AC_HAVE_DECL(setresuid, [#include <unistd.h>]) | |
114 AC_HAVE_DECL(setresgid, [#include <unistd.h>]) | |
115 AC_HAVE_DECL(errno, [#include <errno.h>]) | |
116 | |
117 AC_CACHE_CHECK([for secure mkstemp],libreplace_cv_HAVE_SECURE_MKSTEMP,[ | |
118 AC_TRY_RUN([#include <stdlib.h> | |
119 #include <sys/types.h> | |
120 #include <sys/stat.h> | |
121 #include <unistd.h> | |
122 main() { | |
123 struct stat st; | |
124 char tpl[20]="/tmp/test.XXXXXX"; | |
125 int fd = mkstemp(tpl); | |
126 if (fd == -1) exit(1); | |
127 unlink(tpl); | |
128 if (fstat(fd, &st) != 0) exit(1); | |
129 if ((st.st_mode & 0777) != 0600) exit(1); | |
130 exit(0); | |
131 }], | |
132 libreplace_cv_HAVE_SECURE_MKSTEMP=yes, | |
133 libreplace_cv_HAVE_SECURE_MKSTEMP=no, | |
134 libreplace_cv_HAVE_SECURE_MKSTEMP=cross)]) | |
135 if test x"$libreplace_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then | |
136 AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure]) | |
137 fi | |
138 | |
139 dnl Provided by snprintf.c: | |
140 AC_CHECK_HEADERS(stdio.h strings.h) | |
141 AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf]) | |
142 AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf) | |
143 | |
144 AC_CACHE_CHECK([for C99 vsnprintf],libreplace_cv_HAVE_C99_VSNPRINTF,[ | |
145 AC_TRY_RUN([ | |
146 #include <sys/types.h> | |
147 #include <stdio.h> | |
148 #include <stdarg.h> | |
149 #include <stdlib.h> | |
150 void foo(const char *format, ...) { | |
151 va_list ap; | |
152 int len; | |
153 char buf[20]; | |
154 long long l = 1234567890; | |
155 l *= 100; | |
156 | |
157 va_start(ap, format); | |
158 len = vsnprintf(buf, 0, format, ap); | |
159 va_end(ap); | |
160 if (len != 5) exit(1); | |
161 | |
162 va_start(ap, format); | |
163 len = vsnprintf(0, 0, format, ap); | |
164 va_end(ap); | |
165 if (len != 5) exit(2); | |
166 | |
167 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3); | |
168 | |
169 if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") !=
0) exit(4); | |
170 if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789")
!= 0) exit(5); | |
171 if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") !=
0) exit(6); | |
172 if (snprintf(buf, 20, "%s", 0) < 3) exit(7); | |
173 | |
174 exit(0); | |
175 } | |
176 main() { foo("hello"); } | |
177 ], | |
178 libreplace_cv_HAVE_C99_VSNPRINTF=yes,libreplace_cv_HAVE_C99_VSNPRINTF=no,librepl
ace_cv_HAVE_C99_VSNPRINTF=cross)]) | |
179 if test x"$libreplace_cv_HAVE_C99_VSNPRINTF" = x"yes"; then | |
180 AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf]) | |
181 fi | |
182 | |
183 | |
184 dnl VA_COPY | |
185 AC_CACHE_CHECK([for va_copy],libreplace_cv_HAVE_VA_COPY,[ | |
186 AC_TRY_LINK([#include <stdarg.h> | |
187 va_list ap1,ap2;], [va_copy(ap1,ap2);], | |
188 libreplace_cv_HAVE_VA_COPY=yes,libreplace_cv_HAVE_VA_COPY=no)]) | |
189 if test x"$libreplace_cv_HAVE_VA_COPY" = x"yes"; then | |
190 AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available]) | |
191 fi | |
192 | |
193 if test x"$libreplace_cv_HAVE_VA_COPY" != x"yes"; then | |
194 AC_CACHE_CHECK([for __va_copy],libreplace_cv_HAVE___VA_COPY,[ | |
195 AC_TRY_LINK([#include <stdarg.h> | |
196 va_list ap1,ap2;], [__va_copy(ap1,ap2);], | |
197 libreplace_cv_HAVE___VA_COPY=yes,libreplace_cv_HAVE___VA_COPY=no)]) | |
198 if test x"$libreplace_cv_HAVE___VA_COPY" = x"yes"; then | |
199 AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available]) | |
200 fi | |
201 fi | |
202 | |
203 dnl __FUNCTION__ macro | |
204 AC_CACHE_CHECK([for __FUNCTION__ macro],libreplace_cv_HAVE_FUNCTION_MACRO,[ | |
205 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);], | |
206 libreplace_cv_HAVE_FUNCTION_MACRO=yes,libreplace_cv_HAVE_FUNCTION_MACRO=no)]) | |
207 if test x"$libreplace_cv_HAVE_FUNCTION_MACRO" = x"yes"; then | |
208 AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro]) | |
209 else | |
210 dnl __func__ macro | |
211 AC_CACHE_CHECK([for __func__ macro],libreplace_cv_HAVE_func_MACRO,[ | |
212 AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);], | |
213 libreplace_cv_HAVE_func_MACRO=yes,libreplace_cv_HAVE_func_MACRO=no)]) | |
214 if test x"$libreplace_cv_HAVE_func_MACRO" = x"yes"; then | |
215 AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro]) | |
216 fi | |
217 fi | |
218 | |
219 AC_CHECK_HEADERS([sys/param.h limits.h]) | |
220 | |
221 AC_CHECK_TYPE(comparison_fn_t, | |
222 [AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])]) | |
223 | |
224 AC_HAVE_DECL(setenv, [#include <stdlib.h>]) | |
225 AC_CHECK_FUNCS(setenv unsetenv) | |
226 AC_HAVE_DECL(environ, [#include <unistd.h>]) | |
227 | |
228 AC_CHECK_FUNCS(strnlen) | |
229 AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq) | |
230 | |
231 # this test disabled as we don't actually need __VA_ARGS__ yet | |
232 AC_TRY_CPP([ | |
233 #define eprintf(...) fprintf(stderr, __VA_ARGS__) | |
234 eprintf("bla", "bar"); | |
235 ], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is availabl
e])) | |
236 | |
237 | |
238 AC_CACHE_CHECK([for sig_atomic_t type],libreplace_cv_sig_atomic_t, [ | |
239 AC_TRY_COMPILE([ | |
240 #include <sys/types.h> | |
241 #if STDC_HEADERS | |
242 #include <stdlib.h> | |
243 #include <stddef.h> | |
244 #endif | |
245 #include <signal.h>],[sig_atomic_t i = 0], | |
246 libreplace_cv_sig_atomic_t=yes,libreplace_cv_sig_atomic_t=no)]) | |
247 if test x"$libreplace_cv_sig_atomic_t" = x"yes"; then | |
248 AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable typ
e]) | |
249 fi | |
250 | |
251 | |
252 AC_CACHE_CHECK([for O_DIRECT flag to open(2)],libreplace_cv_HAVE_OPEN_O_DIRECT,[ | |
253 AC_TRY_COMPILE([ | |
254 #include <unistd.h> | |
255 #ifdef HAVE_FCNTL_H | |
256 #include <fcntl.h> | |
257 #endif], | |
258 [int fd = open("/dev/null", O_DIRECT);], | |
259 libreplace_cv_HAVE_OPEN_O_DIRECT=yes,libreplace_cv_HAVE_OPEN_O_DIRECT=no)]) | |
260 if test x"$libreplace_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then | |
261 AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT]) | |
262 fi | |
263 | |
264 | |
265 dnl Check if the C compiler understands volatile (it should, being ANSI). | |
266 AC_CACHE_CHECK([that the C compiler understands volatile],libreplace_cv_volatile
, [ | |
267 AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0], | |
268 libreplace_cv_volatile=yes,libreplace_cv_volatile=no)]) | |
269 if test x"$libreplace_cv_volatile" = x"yes"; then | |
270 AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile
]) | |
271 fi | |
272 | |
273 m4_include(system/config.m4) | |
274 | |
275 m4_include(dlfcn.m4) | |
276 m4_include(getpass.m4) | |
277 m4_include(strptime.m4) | |
278 m4_include(win32.m4) | |
279 m4_include(timegm.m4) | |
280 m4_include(repdir.m4) | |
281 m4_include(crypt.m4) | |
282 | |
283 AC_CHECK_FUNCS([printf memset memcpy],,[AC_MSG_ERROR([Required function not foun
d])]) | |
284 | |
285 echo "LIBREPLACE_BROKEN_CHECKS: END" | |
286 ]) dnl end AC_LIBREPLACE_BROKEN_CHECKS | |
287 | |
288 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START, | |
289 [ | |
290 #LIBREPLACE_ALL_CHECKS: START" | |
291 ]) | |
292 AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END, | |
293 [ | |
294 #LIBREPLACE_ALL_CHECKS: END" | |
295 ]) | |
296 m4_define(AC_LIBREPLACE_ALL_CHECKS, | |
297 [ | |
298 AC__LIBREPLACE_ALL_CHECKS_START | |
299 AC_LIBREPLACE_LOCATION_CHECKS | |
300 AC_LIBREPLACE_CC_CHECKS | |
301 AC_LIBREPLACE_BROKEN_CHECKS | |
302 AC__LIBREPLACE_ALL_CHECKS_END | |
303 CFLAGS="$CFLAGS -I$libreplacedir" | |
304 ]) | |
305 | |
306 m4_include(libreplace_cc.m4) | |
307 m4_include(libreplace_ld.m4) | |
308 m4_include(libreplace_network.m4) | |
309 m4_include(libreplace_macros.m4) | |
310 | |
311 m4_ifndef([AC_USE_SYSTEM_EXTENSIONS],[m4_include(autoconf-2.60.m4)]) | |
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