source: branches/samba-3.3.x/source/lib/replace/libreplace_ld.m4

Last change on this file was 221, checked in by Herwig Bauernfeind, 16 years ago

Update Samba 3.3 to 3.3.1
File size: 5.7 KB
Line 
1#
2# This offers a nice overview how to build shared libraries on all platforms
3# http://www.fortran-2000.com/ArnaudRecipes/sharedlib.html
4#
5
6AC_DEFUN([AC_LIBREPLACE_STLD],
7[
8 AC_PATH_PROG(PROG_AR, ar)
9
10 STLD=${PROG_AR}
11
12 AC_SUBST(STLD)
13])
14
15AC_DEFUN([AC_LIBREPLACE_STLD_FLAGS],
16[
17 STLD_FLAGS="-rcs"
18 AC_SUBST(STLD_FLAGS)
19])
20
21AC_DEFUN([AC_LD_EXPORT_DYNAMIC],
22[
23saved_LDFLAGS="$LDFLAGS"
24if AC_TRY_COMMAND([${CC-cc} $CFLAGS -Wl,--version 2>&1 | grep "GNU ld" >/dev/null]); then
25 LD_EXPORT_DYNAMIC="-Wl,-export-dynamic"
26else
27 case "$host_os" in
28 hpux* )
29 LD_EXPORT_DYNAMIC="-Wl,-E"
30 ;;
31 *)
32 LD_EXPORT_DYNAMIC=""
33 ;;
34 esac
35fi
36AC_SUBST(LD_EXPORT_DYNAMIC)
37LDFLAGS="$saved_LDFLAGS"
38])
39
40AC_DEFUN([AC_LD_PICFLAG],
41[
42case "$host_os" in
43 *linux*)
44 PICFLAG="-fPIC"
45 ;;
46 *solaris*)
47 if test "${GCC}" = "yes"; then
48 PICFLAG="-fPIC"
49 else
50 PICFLAG="-KPIC"
51 fi
52 ;;
53 *sunos*)
54 PICFLAG="-KPIC" # Is this correct for SunOS
55 ;;
56 *netbsd* | *freebsd* | *dragonfly* )
57 PICFLAG="-fPIC -DPIC"
58 ;;
59 *openbsd*)
60 PICFLAG="-fPIC"
61 ;;
62 *irix*)
63 if test "${GCC}" = "yes"; then
64 PICFLAG="-fPIC"
65 else
66 PICFLAG="-KPIC"
67 fi
68 ;;
69 *aix*)
70 # as AIX code is always position independent...
71 PICFLAG="-O2"
72 ;;
73 *hpux*)
74 if test $ac_cv_prog_cc_Ae = yes; then
75 PICFLAG="+z +ESnolit"
76 elif test "${GCC}" = "yes"; then
77 PICFLAG="-fPIC"
78 fi
79 if test "$host_cpu" = "ia64"; then
80 PICFLAG="+z"
81 fi
82 ;;
83 *osf*)
84 PICFLAG="-fPIC"
85 ;;
86 *unixware*)
87 PICFLAG="-KPIC"
88 ;;
89 *darwin*)
90 PICFLAG="-fno-common"
91 ;;
92esac
93AC_SUBST(PICFLAG)
94])
95
96AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_LINKER],
97[
98 LD_SHLIB_LINKER="${CC}"
99
100 case "$host_os" in
101 *irix*)
102 LD_SHLIB_LINKER="${PROG_LD}"
103 ;;
104 esac
105
106 AC_SUBST(LD_SHLIB_LINKER)
107])
108
109AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_FLAGS],
110[
111 LD_SHLIB_FLAGS="-shared"
112
113 case "$host_os" in
114 *linux*)
115 LD_SHLIB_FLAGS="-shared -Wl,-Bsymbolic"
116 ;;
117 *solaris*)
118 LD_SHLIB_FLAGS="-G"
119 if test "${GCC}" = "no"; then
120 ## ${CFLAGS} added for building 64-bit shared
121 ## libs using Sun's Compiler
122 LD_SHLIB_FLAGS="-G \${CFLAGS}"
123 fi
124 ;;
125 *sunos*)
126 LD_SHLIB_FLAGS="-G"
127 ;;
128 *irix*)
129 LD_SHLIB_FLAGS="-shared"
130 ;;
131 *aix*)
132 LD_SHLIB_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
133 ;;
134 *hpux*)
135 if test "${GCC}" = "yes"; then
136 LD_SHLIB_FLAGS="-shared"
137 else
138 LD_SHLIB_FLAGS="-b"
139 fi
140 ;;
141 *osf*)
142 LD_SHLIB_FLAGS="-shared"
143 ;;
144 *darwin*)
145 LD_SHLIB_FLAGS="-dynamiclib -Wl,-search_paths_first"
146 ;;
147 esac
148
149 AC_SUBST(LD_SHLIB_FLAGS)
150])
151
152AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG],
153[
154 LD_SHLIB_DISALLOW_UNDEF_FLAG=""
155
156 #
157 # TODO: enforce error not only warnings
158 #
159 # NOTE: -Wl,--no-allow-shlib-undefined isn't what we want...
160 # as it bails out on broken system libraries
161 #
162 case "$host_os" in
163 *osf*)
164 LD_SHLIB_DISALLOW_UNDEF_FLAG="-warning_unresolved"
165 ;;
166 *darwin*)
167 LD_SHLIB_DISALLOW_UNDEF_FLAG="-undefined error"
168 ;;
169 esac
170
171 AC_SUBST(LD_SHLIB_DISALLOW_UNDEF_FLAG)
172])
173
174AC_DEFUN([AC_LIBREPLACE_SHLD],
175[
176 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
177 SHLD="$LD_SHLIB_LINKER"
178 AC_SUBST(SHLD)
179])
180
181AC_DEFUN([AC_LIBREPLACE_SHLD_FLAGS],
182[
183 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
184 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG])
185 SHLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_DISALLOW_UNDEF_FLAG"
186 AC_SUBST(SHLD_FLAGS)
187])
188
189AC_DEFUN([AC_LD_SHLIBEXT],
190[
191 SHLIBEXT="so"
192 case "$host_os" in
193 *hpux*)
194 if test "$host_cpu" = "ia64"; then
195 SHLIBEXT="so"
196 else
197 SHLIBEXT="sl"
198 fi
199 ;;
200 *darwin*)
201 SHLIBEXT="dylib"
202 ;;
203 esac
204 AC_SUBST(SHLIBEXT)
205])
206
207AC_DEFUN([AC_LD_SONAMEFLAG],
208[
209 AC_SUBST(SONAMEFLAG)
210 SONAMEFLAG=""
211 case "$host_os" in
212 *linux*)
213 SONAMEFLAG="-Wl,-soname="
214 ;;
215 *solaris*)
216 SONAMEFLAG="-h "
217 if test "${GCC}" = "yes"; then
218 SONAMEFLAG="-Wl,-soname="
219 fi
220 ;;
221 *sunos*)
222 SONAMEFLAG="-Wl,-h,"
223 ;;
224 *netbsd* | *freebsd* | *dragonfly* )
225 SONAMEFLAG="-Wl,-soname,"
226 ;;
227 *openbsd*)
228 SONAMEFLAG="-Wl,-soname,"
229 ;;
230 *irix*)
231 SONAMEFLAG="-Wl,-soname,"
232 ;;
233 *hpux*)
234 SONAMEFLAG="-Wl,+h,"
235 ;;
236 *osf*)
237 SONAMEFLAG="-Wl,-soname,"
238 ;;
239 *unixware*)
240 SONAMEFLAG="-Wl,-soname,"
241 ;;
242 *darwin*)
243 SONAMEFLAG="#"
244 ;;
245 *aix*)
246 # Not supported
247 SONAMEFLAG="#"
248 ;;
249 esac
250])
251
252AC_DEFUN([AC_LIBREPLACE_MDLD],
253[
254 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
255 MDLD="$LD_SHLIB_LINKER"
256 AC_SUBST(MDLD)
257])
258
259AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG],
260[
261 LD_ALLOW_SHLIB_UNDEF_FLAG=""
262
263 case "$host_os" in
264 *linux*)
265 LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,--allow-shlib-undefined"
266 ;;
267 *osf*)
268 LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-expect_unresolved,\"*\""
269 ;;
270 *darwin*)
271 LD_SHLIB_ALLOW_UNDEF_FLAG="-undefined dynamic_lookup"
272 ;;
273 *aix*)
274 LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-bnoentry"
275 ;;
276 esac
277
278 AC_SUBST(LD_SHLIB_ALLOW_UNDEF_FLAG)
279])
280
281AC_DEFUN([AC_LIBREPLACE_MDLD_FLAGS],
282[
283 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
284 AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG])
285 MDLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_ALLOW_UNDEF_FLAG"
286 AC_SUBST(MDLD_FLAGS)
287])
288
289AC_DEFUN([AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR],
290[
291 case "$host_os" in
292 *linux*)
293 LIB_PATH_VAR=LD_LIBRARY_PATH
294 ;;
295 *bsd*)
296 LIB_PATH_VAR=LD_LIBRARY_PATH
297 ;;
298 *solaris*)
299 LIB_PATH_VAR=LD_LIBRARY_PATH
300 ;;
301 *hpux*)
302 LIB_PATH_VAR=SHLIB_PATH
303 ;;
304 *osf*)
305 LIB_PATH_VAR=LD_LIBRARY_PATH
306 ;;
307 *aix*)
308 LIB_PATH_VAR=LIB_PATH
309 ;;
310 *irix*)
311 LIB_PATH_VAR=LD_LIBRARY_PATH
312 ;;
313 *darwin*)
314 LIB_PATH_VAR=DYLD_LIBRARY_PATH
315 ;;
316 esac
317
318 AC_SUBST(LIB_PATH_VAR)
319])
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