aclocal.m4

Revision 6409, 11.0 kB (checked in by dmorissette, 1 year ago)
Fixed formatting of configure --help (#2182)
Property svn:eol-style set to `native` Property svn:executable set to ``* Property svn:keywords set to `Author Date Id Revision`

Line
1
2	dnl
3	dnl AC_EXPAND_PATH(path, variable)
4	dnl
5	dnl expands path to an absolute path and assigns it to variable
6	dnl
7	AC_DEFUN(AC_EXPAND_PATH,[
8	if test -z "$1" \|\| echo "$1" \| grep '^/' >/dev/null ; then
9	$2="$1"
10	else
11	$2="`pwd`/$1"
12	fi
13	])
14
15
16	dnl
17	dnl AC_PARSE_WITH_LIB_STATIC(with_param, out_libpath, out_isstatic)
18	dnl
19	dnl parse a --with-lib=[static,]/path/to/lib string, and set out_libpath
20	dnl with the library path, and out_isstatic=yes if "static," was there.
21	dnl
22	AC_DEFUN(AC_PARSE_WITH_LIB_STATIC,[
23	if echo "$1" \| grep '^static,' >/dev/null ; then
24	$2=`echo "$1" \| sed "s/^static,//"`
25	$3=yes
26	else
27	$2=$1
28	$3=no
29	fi
30	])
31
32
33	AC_DEFUN(AC_COMPILER_PIC,
34	[
35	echo 'void f(){}' > conftest.c
36	if test -z "`${CC} -fPIC -c conftest.c 2>&1`"; then
37	C_PIC=-fPIC
38	else
39	C_PIC=
40	fi
41	rm -f conftest*
42
43	AC_SUBST(C_PIC,$C_PIC)
44	])
45
46
47	dnl
48	dnl check for -R, etc. switch
49	dnl
50	dnl This was borrowed and adapted from the PHP configure.in script
51	dnl
52	AC_DEFUN(AC_RUNPATH_SWITCH,
53	[
54	AC_MSG_CHECKING(if compiler supports -R)
55	AC_CACHE_VAL(php_cv_cc_dashr,[
56	SAVE_LIBS="${LIBS}"
57	LIBS="-R /usr/lib ${LIBS}"
58	AC_TRY_LINK([], [], php_cv_cc_dashr=yes, php_cv_cc_dashr=no)
59	LIBS="${SAVE_LIBS}"])
60	AC_MSG_RESULT($php_cv_cc_dashr)
61	if test $php_cv_cc_dashr = "yes"; then
62	ld_runpath_switch="-R"
63	apxs_runpath_switch="-Wl,-R'"
64	fi
65	if test -z "$ld_runpath_switch" ; then
66	AC_MSG_CHECKING([if compiler supports -Wl,-rpath,])
67	AC_CACHE_VAL(php_cv_cc_rpath,[
68	SAVE_LIBS="${LIBS}"
69	LIBS="-Wl,-rpath,/usr/lib ${LIBS}"
70	AC_TRY_LINK([], [], php_cv_cc_rpath=yes, php_cv_cc_rpath=no)
71	LIBS="${SAVE_LIBS}"])
72	AC_MSG_RESULT($php_cv_cc_rpath)
73	if test $php_cv_cc_rpath = "yes"; then
74	ld_runpath_switch="-Wl,-rpath,"
75	apxs_runpath_switch="-Wl,'-rpath "
76	fi
77	fi
78	if test -z "$ld_runpath_switch" ; then
79	AC_MSG_CHECKING([if compiler supports -Wl,-R])
80	AC_CACHE_VAL(php_cv_cc_dashwlr,[
81	SAVE_LIBS="${LIBS}"
82	LIBS="-Wl,-R/usr/lib ${LIBS}"
83	AC_TRY_LINK([], [], php_cv_cc_dashwlr=yes, php_cv_cc_dashwlr=no)
84	LIBS="${SAVE_LIBS}"])
85	AC_MSG_RESULT($php_cv_cc_dashwlr)
86	if test $php_cv_cc_rpath = "yes"; then
87	ld_runpath_switch="-Wl,-R"
88	apxs_runpath_switch="-Wl,-R'"
89	fi
90	fi
91	if test -z "$ld_runpath_switch" ; then
92	dnl something innocuous
93	ld_runpath_switch="-L"
94	apxs_runpath_switch="-L'"
95	fi
96
97	])
98
99
100	dnl
101	dnl AC_PHP_ONCE(namespace, variable, code)
102	dnl
103	dnl execute code, if variable is not set in namespace
104	dnl
105	AC_DEFUN(AC_PHP_ONCE,[
106	unique=`echo $ac_n "$2$ac_c" \| tr -c -d a-zA-Z0-9`
107	cmd="echo $ac_n \"\$$1$unique$ac_c\""
108	if test -n "$unique" && test "`eval $cmd`" = "" ; then
109	eval "$1$unique=set"
110	$3
111	fi
112	])
113
114	dnl
115	dnl AC_ADD_RUNPATH(path)
116	dnl
117	dnl add a library to linkpath/runpath stored in RPATH
118	dnl works together with AC_RUNPATH_SWITCH()
119	dnl
120	AC_DEFUN(AC_ADD_RUNPATH,[
121	if test "$1" != "/usr/lib"; then
122	AC_EXPAND_PATH($1, ai_p)
123	AC_PHP_ONCE(LIBPATH, $ai_p, [
124	EXTRA_LIBS="$EXTRA_LIBS -L$ai_p"
125	dnl if test -n "$APXS" ; then
126	dnl RPATHS="$RPATHS ${apxs_runpath_switch}$ai_p'"
127	dnl else
128	RPATHS="$RPATHS ${ld_runpath_switch}$ai_p"
129	dnl fi
130	])
131	fi
132	])
133
134
135
136	dnl
137	dnl Try to find something to link shared libraries with. Use "c++ -shared"
138	dnl in preference to "ld -shared" because it will link in required c++
139	dnl run time support for us.
140	dnl
141	AC_DEFUN(AC_LD_SHARED,
142	[
143
144	echo 'void g(); int main(){ g(); return 0; }' > conftest1.c
145
146	echo '#include <stdio.h>' > conftest2.c
147	echo 'void g(); void g(){printf("");}' >> conftest2.c
148	${CC} ${C_PIC} -c conftest2.c
149	SO_EXT="so"
150	SO_COMMAND_NAME="-soname"
151	export SO_EXT
152	export SO_COMMAND_NAME
153	LD_SHARED="/bin/true"
154	if test ! -z "`uname -a \| grep IRIX`" ; then
155	IRIX_ALL=-all
156	else
157	IRIX_ALL=
158	fi
159
160	AC_ARG_WITH(ld-shared,[ --without-ld-shared Disable shared library support],,)
161
162	if test "$with_ld_shared" != "" ; then
163	if test "$with_ld_shared" = "no" ; then
164	echo "user disabled shared library support."
165	else
166	echo "using user supplied .so link command ... $with_ld_shared"
167	fi
168	LD_SHARED="$with_ld_shared"
169	fi
170
171	dnl Check For Cygwin case. Actually verify that the produced DLL works.
172	if test ! -z "`uname -a \| grep CYGWIN`" \
173	-a "$LD_SHARED" = "/bin/true" ; then
174	if test -z "`gcc -shared conftest2.o -o libconftest.dll`" ; then
175	if test -z "`${CC} conftest1.c -L./ -lconftest -o conftest1 2>&1`"; then
176	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
177	if test -z "$LD_LIBRARY_PATH" ; then
178	LD_LIBRARY_PATH="`pwd`"
179	else
180	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
181	fi
182	export LD_LIBRARY_PATH
183	if test -z "`./conftest1 2>&1`" ; then
184	echo "checking for Cygwin gcc -shared ... yes"
185	LD_SHARED="c++ -shared"
186	SO_EXT="dll"
187	fi
188	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
189	fi
190	fi
191	fi
192
193
194	dnl Test special MacOS (Darwin) case.
195	if test ! -z "`uname \| grep Darwin`" \
196	-a "$LD_SHARED" = "/bin/true" ; then
197	if test -z "`${CXX} -dynamiclib conftest2.o -o libconftest.so 2>&1`" ; then
198	${CC} -c conftest1.c
199	if test -z "`${CXX} conftest1.o libconftest.so -o conftest1 2>&1`"; then
200	DYLD_LIBRARY_PATH_OLD="$DYLD_LIBRARY_PATH"
201	if test -z "$DYLD_LIBRARY_PATH" ; then
202	DYLD_LIBRARY_PATH="`pwd`"
203	else
204	DYLD_LIBRARY_PATH="`pwd`:$DYLD_LIBRARY_PATH"
205	fi
206	export DYLD_LIBRARY_PATH
207	if test -z "`./conftest1 2>&1`" ; then
208	echo "checking for ${CXX} -dynamiclib ... yes"
209	LD_SHARED="${CXX} -dynamiclib -single_module -flat_namespace -undefined suppress"
210	SO_EXT=dylib
211	SO_COMMAND_NAME='-dylib_install_name'
212	fi
213	DYLD_LIBRARY_PATH="$DYLD_LIBRARY_PATH_OLD"
214	fi
215	rm -f conftest1.o
216	fi
217	fi
218
219	if test "$LD_SHARED" = "/bin/true" \
220	-a -z "`${CXX} -shared $IRIX_ALL conftest2.o -o libconftest.so 2>&1\|grep -v WARNING`" ; then
221	if test -z "`${CC} conftest1.c libconftest.so -o conftest1 2>&1`"; then
222	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
223	if test -z "$LD_LIBRARY_PATH" ; then
224	LD_LIBRARY_PATH="`pwd`"
225	else
226	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
227	fi
228	export LD_LIBRARY_PATH
229	if test -z "`./conftest1 2>&1`" ; then
230	echo "checking for ${CXX} -shared ... yes"
231	LD_SHARED="${CXX} -shared $IRIX_ALL"
232	else
233	echo "checking for ${CXX} -shared ... no(3)"
234	fi
235	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
236	else
237	echo "checking for ${CXX} -shared ... no(2)"
238	fi
239	else
240	if test "$LD_SHARED" = "/bin/true" ; then
241	echo "checking for ${CXX} -shared ... no(1)"
242	fi
243	fi
244
245	if test "$LD_SHARED" = "/bin/true" \
246	-a -z "`ld -shared conftest2.o -o libconftest.so 2>&1`" ; then
247	if test -z "`${CC} conftest1.c libconftest.so -o conftest1 2>&1`"; then
248	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
249	if test -z "$LD_LIBRARY_PATH" ; then
250	LD_LIBRARY_PATH="`pwd`"
251	else
252	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
253	fi
254	export LD_LIBRARY_PATH
255	if test -z "`./conftest1 2>&1`" ; then
256	echo "checking for ld -shared ... yes"
257	LD_SHARED="ld -shared"
258	fi
259	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
260	fi
261	fi
262
263	if test "$LD_SHARED" = "/bin/true" ; then
264	echo "checking for ld -shared ... no"
265	if test ! -x /bin/true ; then
266	LD_SHARED=/usr/bin/true
267	fi
268	fi
269	if test "$LD_SHARED" = "no" ; then
270	if test -x /bin/true ; then
271	LD_SHARED=/bin/true
272	else
273	LD_SHARED=/usr/bin/true
274	fi
275	fi
276
277	rm -f conftest* libconftest*
278
279	AC_SUBST(LD_SHARED,$LD_SHARED)
280	AC_SUBST(SO_EXT,$SO_EXT)
281	AC_SUBST(SO_COMMAND_NAME,$SO_COMMAND_NAME)
282	])
283
284	dnl
285	dnl PHP on OSX (and potentially other platforms) does not use the
286	dnl same options for creating a shared MapScript that Python
287	dnl and a normal 'make shared' need to use. The only way around
288	dnl this is to use our normal LD_SHARED stuff for everything
289	dnl except MacOSX.
290	dnl
291
292	AC_DEFUN(AC_PHP_LD_SHARED,[
293
294
295	AC_LD_SHARED()
296
297	dnl Test special MacOS (Darwin) case.
298	if test ! -z "`uname \| grep Darwin`" ;then
299	PHP_LD_SHARED="${CXX} -bundle -flat_namespace -undefined suppress"
300	else
301	PHP_LD_SHARED=$LD_SHARED
302	fi
303
304	export PHP_LD_SHARED
305	AC_SUBST(PHP_LD_SHARED,$PHP_LD_SHARED)
306
307	])
308
309	dnl
310	dnl The following macro is actually based on the "setup" script that
311	dnl was included in the php-3.0.14 dl directory and will look at the
312	dnl Perl compile flags to figure the mechanism to build a shared lib
313	dnl on this system.
314	dnl This is the preferred macro for the PHP module, but if perl is not
315	dnl available then we can always fallback on AC_LD_SHARED above.
316	dnl
317
318	AC_DEFUN(AC_LD_SHARED_FROM_PERL,
319	[
320	#
321	# The following is a massive hack. It tries to steal the
322	# mechanism for build a dynamic library from Perl's -V output
323	# If this script fails on this machine, try running 'perl -V'
324	# manually and pick out the setting for:
325	#
326	# cc, optimize, ccflags, ld, cccdlflags and lddlflags
327	#
328	# Replace the below definitions with the output you see.
329	#
330
331	if test ! -r "perl.out"; then
332	perl -V > perl.out
333	fi
334
335	# if the greps and cuts don't do the job, set these manually
336	PERL_CC="`grep ' cc=' perl.out \| cut -d, -f1 \| cut -d\' -f2 \| grep -v undef`"
337	PERL_OPT="`grep ' optimize=' perl.out \| cut -d, -f2 \| cut -d\' -f2 \| grep -v undef`"
338	PERL_CCFLAGS="`grep ' ccflags' perl.out \| cut -d, -f1 \| grep cflags \| cut -d\' -f2 \| grep -v undef` `grep ' ccflags' perl.out \| cut -d, -f2 \| grep ccflags \| cut -d\' -f2 \| grep -v undef`"
339	PERL_LD="`grep ' ld=' perl.out \| cut -d, -f1 \| cut -d\' -f2 \| grep -v undef`"
340	PERL_LFLAGS="`grep ' cccdlflags=' perl.out \| cut -d, -f1 \| cut -d\' -f2 \| grep -v undef`"
341	PERL_CCDLFLAGS="`grep ' ccdlflags=' perl.out \| cut -d, -f4 \| cut -d\' -f2 \| sed 's, ,,' \| grep -v undef`"
342	PERL_LDDLFLAGS=`grep ' lddlflags' perl.out \| cut -d, -f2 \| cut -d\' -f2 \| grep -v undef`
343	#--------
344
345	#if test -n "$PERL_CCDLFLAGS" ; then
346	# echo "-------------------------"
347	# echo "----- IMPORTANT !!! -----"
348	# echo "-------------------------"
349	# echo "To use PHP extensions on your OS, you will need to recompile "
350	# echo "PHP. "
351	# echo "You need to edit the Makefile in the php3 directory and add "
352	# echo "$PERL_CCDLFLAGS to the start of the LDFLAGS line at the top "
353	# echo "of the Makefile. Then type: 'make clean; make' "
354	# echo "You can still go ahead and build the extensions now by typing"
355	# echo "'make' in this directory. They just won't work correctly "
356	# echo "until you recompile your PHP. "
357	# echo "If you are compiling php as a module, you should also add "
358	# echo "$PERL_CCDLFLAGS to the start of the EXTRA_LDFLAGS in Apache "
359	# echo "Configuration file. Note that if you are using the APACI "
360	# echo "build mechanism you should make this change in the "
361	# echo "Configuration.tmpl file instead. "
362	# echo "-------------------------"
363	# echo "-------------------------"
364	# echo "-------------------------"
365	#fi
366
367	PERL_CC="$PERL_CC $PERL_OPT $PERL_CCFLAGS -I. -I.. $PERL_LFLAGS"
368	PERL_LD="$PERL_LD $PERL_LDDLFLAGS $PERL_CCDLFLAGS"
369
370	rm -f perl.out
371
372	])
373

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