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import older libsysio snapshot.
[fs/lustre-release.git] / libsysio / configure.in
1 AC_INIT(libsysio, 0.1)
2
3 AC_CANONICAL_HOST
4
5 case "$host_os" in
6   linux*)
7         ;;
8   *)
9         AC_MSG_WARN('***' ${host_os}: Unsupported OS target)
10         ;;
11 esac
12
13 AM_INIT_AUTOMAKE([subdir-objects])
14 AM_PROG_CC_C_O
15
16 AC_PROG_CC
17 AC_PROG_RANLIB
18 AC_PROG_MAKE_SET
19 AC_HEADER_STDC
20 AC_HEADER_STAT
21 AC_HEADER_TIME
22
23 have_lib_dir=yes;
24 AC_ARG_WITH(lib-dir,
25   AC_HELP_STRING([--with-lib-dir=<sysio lib build directory>],
26   [directory for sysio library]),
27   [     case "${withval}" in
28          "yes"|"no"|"") have_lib_dir=no ;;
29          *) LIBBUILD_DIR=${withval};
30             test -d ${LIBBUILD_DIR} || mkdir ${LIBBUILD_DIR} ||
31                 have_lib_dir=no;;
32         esac;],
33   [ LIBBUILD_DIR=`pwd`/lib;
34     test -d ${LIBBUILD_DIR} || mkdir ${LIBBUILD_DIR} || have_lib_dir=no;])
35 if test x${have_lib_dir} = xyes; then
36   echo "Using sysio library directory ${LIBBUILD_DIR}"
37 else
38   AC_MSG_ERROR(Need writeable path to sysio library directory ${LIBBUILD_DIR})
39 fi
40 AC_SUBST(LIBBUILD_DIR)
41
42 AC_ARG_WITH(native_driver,
43   AC_HELP_STRING([--with-native-driver],[build native test driver]),
44   [     case "${withval}" in
45          yes) ;;
46          no) ;;
47          *) AC_MSG_ERROR(bad value ${withval} for --with-native-driver) ;;
48         esac;],
49   [with_native_driver=yes;])
50 AM_CONDITIONAL(WITH_NATIVE_DRIVER, test x$with_native_driver = xyes)
51
52 AC_ARG_WITH(incore-driver,
53   AC_HELP_STRING([--with-incore-driver],[build incore test driver]),
54   [     case "${withval}" in
55          yes) ;;
56          no) ;;
57          *) AC_MSG_ERROR(bad value ${withval} for --with-incore-driver) ;;
58         esac],
59   [with_incore_driver=yes])
60 AM_CONDITIONAL(WITH_INCORE_DRIVER, test x$with_incore_driver = xyes)
61
62 AC_ARG_WITH(tests,
63   AC_HELP_STRING([--with-tests],[build tests]),
64   [     case "${withval}" in
65          yes) ;;
66          no) ;;
67          *) AC_MSG_ERROR(bad value ${withval} for --with-tests) ;;
68         esac],
69   [with_tests=yes])
70 AM_CONDITIONAL(WITH_TESTS, test x$with_tests = xyes)
71
72 AC_ARG_WITH(automount,
73   AC_HELP_STRING([--with-automount@<:@=<automount-file-name>@:>@],
74     [with automounts @<:@<automount-file-name>=.mount@:>@]),
75   [     if test x${withval} = xyes; then
76          AUTOMOUNT=-DAUTOMOUNT_FILE_NAME="\\\".mount\\\"" 
77         elif test x${withval} != x; then
78          AUTOMOUNT=-DAUTOMOUNT_FILE_NAME="\\\"${withval}\\\""
79         fi])
80 AC_SUBST(AUTOMOUNT)
81
82 AC_ARG_WITH(stdfd-dev,
83   AC_HELP_STRING([--with-stdfd-dev],
84     [build standard file descriptors pseudo-driver]),
85   [     case "${withval}" in
86          yes) ;;
87          no) ;;
88          *) AC_MSG_ERROR(bad value ${withval} for --with-stdfd-dev) ;;
89         esac],
90   [with_stdfd_dev=yes])
91 AM_CONDITIONAL(WITH_STDFD_DEV, test x$with_stdfd_dev = xyes)
92
93 AC_ARG_WITH(zero-sum-memory,
94   AC_HELP_STRING([--with-zero-sum-memory],
95     [free all dynamically allocated memory at the end -- useful for debugging]),
96   [     case "${withval}" in
97          yes) ZERO_SUM_MEMORY=-DZERO_SUM_MEMORY=1 ;;
98          no) ;;
99          *) AC_MSG_ERROR(bad value ${withval} for --with-zero-sum-memory) ;;
100         esac],
101   [with_zero_sum_memory=no])
102 AC_SUBST(ZERO_SUM_MEMORY)
103
104 AC_ARG_WITH(cplant_yod,
105    AC_HELP_STRING([--with-cplant-yod],[build cplant yod I/O driver]),
106    [    case "${withval}" in    
107         yes) if test x${with_stdfd_dev} != xyes; then
108                 with_stdfd_dev=yes
109                 AM_CONDITIONAL(WITH_STDFD_DEV, test x$with_stdfd_dev = xyes)
110              fi ;;
111         no) ;;
112         *) AC_MSG_ERROR(bad value ${withval} for --with-cplant-yod);;
113         esac],
114     [with_cplant_yod=no])
115 AM_CONDITIONAL(WITH_CPLANT_YOD, test x$with_cplant_yod = xyes)
116
117 AC_ARG_WITH(cplant_tests,
118    AC_HELP_STRING([--with-cplant-tests=<cplant-build-path>],
119      [build libsysio tests for cplant platform]),
120    [    case "${withval}" in
121         yes) AC_MSG_ERROR(need path to compiler for --with-cplant-tests);;
122         no)  with_cplant_tests=no;;
123         *) CC=${withval}
124            CCDEPMODE=${CC} 
125            CPP="${CC} -E"
126            AC_CHECK_FILE(${CC},
127                 [ if test x${with_cplant_yod} != xyes; then
128                         with_cplant_yod=yes
129                         AM_CONDITIONAL(WITH_CPLANT_YOD, test x$with_cplant_yod = xyes)
130                   fi],
131                 [ AC_MSG_ERROR(path not found ${CC} for --with-cplant-tests) ]);;
132         esac],
133     [with_cplant_tests=no])
134 AM_CONDITIONAL(WITH_CPLANT_TESTS, test x$with_cplant_tests != xno)
135
136 AC_ARG_WITH(sockets,
137   AC_HELP_STRING([--with-sockets],
138     [build sockets interface driver (EXPERIMENTAL)]),
139   [     case "${withval}" in
140          yes) ;;
141          no) ;;
142          *) AC_MSG_ERROR(bad value ${withval} for --with-sockets) ;;
143         esac],
144   [with_sockets=no])
145 AM_CONDITIONAL(WITH_SOCKETS_DRIVER, test x$with_sockets = xyes)
146
147 AC_ARG_WITH(lustre-hack,
148   AC_HELP_STRING([--with-lustre-hack],
149     [have hacking code which needed to support liblustre driver (EXPERIMENTAL)]),
150   [     case "${withval}" in
151          yes) ;;
152          no) ;;
153          *) AC_MSG_ERROR(bad value ${withval} for --with-lustre-hack) ;;
154         esac],
155   [with_lustre_hack=no])
156 AM_CONDITIONAL(WITH_LUSTRE_HACK, test x$with_lustre_hack = xyes)
157 if test x$with_lustre_hack = xyes; then
158         AC_DEFINE(HAVE_LUSTRE_HACK)
159 fi
160
161 # We keep the original values in `$config_*' and never modify them, so we
162 # can write them unchanged into config.make.  Everything else uses
163 # $machine, $vendor, and $os, and changes them whenever convenient.
164 config_machine=$host_cpu config_vendor=$host_vendor config_os=$host_os
165
166 # Don't allow vendor == "unknown"
167 test "$config_vendor" = unknown && config_vendor=
168 config_os="`echo $config_os | sed 's/^unknown-//'`"
169
170 # Some configurations imply other options.
171 case "$host_os" in
172   gnu* | linux* | bsd4.4* | netbsd* | freebsd*)
173         # These systems always use GNU tools.
174         gnu_ld=yes gnu_as=yes ;;
175 esac
176 case "$host_os" in
177   # i586-linuxaout is mangled into i586-pc-linux-gnuaout
178   linux*ecoff* | linux*aout* | gnu*aout* | gnu*ecoff*)
179         ;;
180   gnu* | linux* | freebsd* | netbsd* | sysv4* | solaris2* | irix6*)
181         # These systems (almost) always use the ELF format.
182         elf=yes
183         ;;
184   aix*)
185         # These systems are always xcoff
186         xcoff=yes
187         elf=no
188         ;;
189 esac
190
191 machine=$config_machine
192 vendor=$config_vendor
193 os=$config_os
194
195 # config.guess on some IBM machines says `rs6000' instead of `powerpc'.
196 # Unify this here.
197 if test "$machine" = rs6000; then
198         machine="powerpc"
199 fi
200
201 # If we can't provoke the declaration of stat64 then we assume the
202 # environment supports 64-bit file support naturally. Beware!
203 AC_MSG_CHECKING(whether _LARGEFILE64_SOURCE definition is required)
204 AC_TRY_COMPILE([
205 #include <sys/types.h>
206 #include <sys/stat.h>
207 #include <unistd.h>], [
208 struct stat64 st64;],
209 sysio_largefile64_source_required=no,
210 sysio_largefile64_source_required=maybe)
211 if test x$sysio_largefile64_source_required = xmaybe; then
212         AC_TRY_COMPILE([
213 #define _LARGEFILE64_SOURCE
214 #include <sys/types.h>
215 #include <sys/stat.h>
216 #include <unistd.h>], [
217 struct stat64 st64;],
218                        sysio_largefile64_source_required=yes,
219                        sysio_largefile64_source_required=no)
220 fi
221 AC_MSG_RESULT($sysio_largefile64_source_required)
222 if test x$sysio_largefile64_source_required = xyes; then
223         AC_DEFINE(_LARGEFILE64_SOURCE)
224 fi
225
226 # Alpha linux defines 
227
228 AC_MSG_CHECKING(for alpha linux)
229 alpha_linux_env=no
230 if test `expr ${machine} : "alpha"` = 5 && \
231    test `expr ${os} : "linux"` = 5; then
232         alpha_linux_env=yes
233         AC_DEFINE(ALPHA_LINUX)
234 fi
235 AC_MSG_RESULT($alpha_linux_env)
236 AM_CONDITIONAL(TEST_ALPHA_ARG, test x$alpha_linux_env = xyes)
237
238 # check for 64 bit stat, fstat, truncate, ftruncate syscalls
239
240 AC_MSG_CHECKING(for 64 bit stat and truncate syscalls)
241 AC_TRY_COMPILE([
242 #include <sys/stat.h>
243 #include <syscall.h>
244 extern int syscall();],
245 [char path[] = "/";
246 int fd = 0;
247 struct stat buf;
248 syscall(SYS_stat64,path,&buf);
249 syscall(SYS_fstat64,fd,&buf);
250 syscall(SYS_truncate64, path, buf.st_size);
251 syscall(SYS_ftruncate64, fd, buf.st_size);
252 ],
253         sysstat64_exists=yes,
254         sysstat64_exists=no)
255 AC_MSG_RESULT($sysstat64_exists)
256 if test x$sysstat64_exists = xno; then
257         AC_DEFINE(USE_NATIVE_STAT)
258 fi
259
260 # Check for fdatasync syscall
261 #
262 AC_MSG_CHECKING(for fdatasync system call)
263 if test x$alpha_linux_env = xyes; then
264         _syscallnum=SYS_osf_fdatasync
265 else
266         _syscallnum=SYS_fdatasync
267 fi
268 AC_TRY_COMPILE([
269 #include <syscall.h>
270 extern int syscall();],
271 [int fd = 0;
272 syscall(SYS_fdatasync, fd);],
273         syscall_fdatasync_exists=yes,
274         syscall_fdatasync_exists=no)
275 AC_MSG_RESULT($syscall_fdatasync_exists)
276 if test x$syscall_fdatasync_exists = xyes; then
277         AC_DEFINE_UNQUOTED(NATIVE_FDATASYNC, $_syscallnum)
278 fi
279
280 # Check for SYS_utime
281 #
282 AC_MSG_CHECKING(for utime system call)
283 AC_TRY_COMPILE([
284 #include <syscall.h>
285 extern int syscall();],
286 [syscall(SYS_utime);],
287         syscall_utime_exists=yes,
288         syscall_utime_exists=no)
289 AC_MSG_RESULT($syscall_utime_exists)
290 if test x$syscall_utime_exists = xno; then
291         AC_DEFINE(USE_NATIVE_UTIME)
292 fi
293 # Check for __st_ino 
294 #
295 AC_MSG_CHECKING(for __st_ino)
296 AC_TRY_COMPILE([
297 #include <sys/stat.h>],
298 [struct stat st;
299 st.__st_ino = 0;],
300         have__st_ino=yes,
301         have__st_ino=no)
302 AC_MSG_RESULT($have__st_ino)
303 if test x$have__st_ino = xyes; then
304         AC_DEFINE(HAVE__ST_INO)
305 fi
306
307 # Check for st_gen 
308 #
309 AC_MSG_CHECKING(for st_gen)
310 AC_TRY_COMPILE([
311 #include <sys/stat.h>],
312 [struct stat st;
313 st.st_gen = 0;],
314         have_st_gen=yes,
315         have_st_gen=no)
316 AC_MSG_RESULT($have_st_gen)
317 if test x$have_st_gen = xyes; then
318         AC_DEFINE(HAVE_GENERATION)
319 fi
320
321 AC_MSG_CHECKING(whether .text pseudo-op must be used)
322 AC_CACHE_VAL(sysio_asm_dot_text, [dnl
323 cat > conftest.s <<EOF
324         .text
325 EOF
326         sysio_asm_dot_text=
327         if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
328                 sysio_asm_dot_text=.text
329         fi
330         rm -f conftest*])
331 if test -z "$sysio_dot_text"; then
332         AC_MSG_RESULT(no)
333 else
334         AC_MSG_RESULT(yes)
335 fi
336
337 AC_CACHE_CHECK(for assembler global-symbol directive,
338   sysio_asm_global_directive, [dnl
339 sysio_asm_global_directive=UNKNOWN
340 for ac_globl in .globl .global .EXPORT; do
341         cat > conftest.s <<EOF
342                 ${sysio_asm_dot_text}
343                 ${ac_globl} foo
344 foo:
345 EOF
346         if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
347         sysio_asm_global_directive=${ac_globl}
348         fi
349         rm -f conftest*
350         test $sysio_asm_global_directive != UNKNOWN && break
351 done])
352 if test $sysio_asm_global_directive = UNKNOWN; then
353         AC_MSG_ERROR(cannot determine asm global directive)
354 #else
355 #       AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${sysio_asm_global_directive})
356 fi
357
358 AC_CACHE_CHECK(for .set assembler directive,
359   sysio_asm_set_directive, [dnl
360 cat > conftest.s<<EOF
361 ${sysio_asm_dot_text}
362 foo:
363 .set bar, foo
364 ${sysio_asm_global_directive} bar
365 EOF
366         # The alpha-dec-osf1 assembler gives only a warning for `.set'
367         # (but it doesn't work), so we must do a linking check to be sure.
368 cat > conftest1.c <<EOF
369 extern int bar;
370 main () { printf ("%d\n", bar); }
371 EOF
372         if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
373            -o conftest conftest.s conftest1.c 1>&AC_FD_CC 2>&AC_FD_CC; then
374                 sysio_asm_set_directive=yes
375         else
376                 sysio_asm_set_directive=no
377         fi
378         rm -f conftest*])
379 #if test $sysio_asm_set_directive = yes; then
380 #       AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
381 #fi
382
383 AC_CACHE_CHECK(for assembler .weak directive, sysio_asm_weak_directive,
384                [dnl
385 cat > conftest.s <<EOF
386 ${sysio_dot_text}
387 foo:
388 .weak foo
389 EOF
390         if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
391                 sysio_asm_weak_directive=yes
392         else
393                 sysio_asm_weak_directive=no
394         fi
395         rm -f conftest*])
396
397 if test $sysio_asm_weak_directive = no; then
398         AC_CACHE_CHECK(for assembler .weakext directive,
399                        sysio_asm_weakext_directive, [dnl
400 cat > conftest.s <<EOF
401 ${sysio_dot_text}
402 ${sysio_asm_global_directive} foo
403 foo:
404 .weakext bar foo
405 .weakext baz
406 ${sysio_asm_global_directive} baz
407 baz:
408 EOF
409                 if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
410                         sysio_asm_weakext_directive=yes
411                 else
412                         sysio_asm_weakext_directive=no
413                 fi
414                 rm -f conftest*])
415 fi # no .weak
416
417 if test x$sysio_asm_weak_directive = xyes; then
418         AC_DEFINE(HAVE_ASM_WEAK_DIRECTIVE)
419 fi
420 if test x$sysio_asm_weakext_directive = xyes; then
421         AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE)
422 fi
423
424 AC_OUTPUT(
425         Makefile
426         tests/Makefile)
427