Merged from trond.
[m6w6/libmemcached] / configure.ac
1 # libmemcached
2 # Copyright (C) 2008 Brian Aker
3 # All rights reserved.
4 #
5 # Use and distribution licensed under the BSD license. See
6 # the COPYING file in this directory for full text.
7
8 AC_PREREQ(2.59)
9 AC_INIT([libmemcached],[0.30],[http://tangent.org/552/libmemcached.html])
10 AC_CONFIG_SRCDIR([libmemcached/memcached.c])
11 AC_CONFIG_AUX_DIR(config)
12 AM_CONFIG_HEADER(libmemcached/libmemcached_config.h)
13 AC_CONFIG_MACRO_DIR([m4])
14
15 #shared library versioning
16 MEMCACHED_LIBRARY_VERSION=2:0:0
17 # | | |
18 # +------+ | +---+
19 # | | |
20 # current:revision:age
21 # | | |
22 # | | +- increment if interfaces have been added
23 # | | set to zero if interfaces have been removed or changed
24 # | +- increment if source code has changed
25 # | set to zero if current is incremented
26 # +- increment if interfaces have been added, removed or changed
27 AC_SUBST(MEMCACHED_LIBRARY_VERSION)
28 MEMCACHEDUTIL_LIBRARY_VERSION=0:0:0
29 AC_SUBST(MEMCACHEDUTIL_LIBRARY_VERSION)
30
31 # Setting CFLAGS here prevents AC_CANONICAL_TARGET from injecting them
32 SAVE_CFLAGS=${CFLAGS}
33 SAVE_CXXFLAGS=${CXXFLAGS}
34 CFLAGS=
35 CXXFLAGS=
36
37 AC_CANONICAL_TARGET
38
39 CFLAGS=${SAVE_CFLAGS}
40 CXXFLAGS=${SAVE_CXXFLAGS}
41
42 AM_INIT_AUTOMAKE([-Wall -Werror nostdinc subdir-objects])
43
44 if test "x${enable_dependency_tracking}" = "x"
45 then
46 enable_dependency_tracking=yes
47 fi
48
49 if test -d "${srcdir}/.bzr"
50 then
51 building_from_bzr=yes
52 else
53 building_from_bzr=no
54 fi
55
56 AC_PROG_CXX
57
58 ACX_USE_SYSTEM_EXTENSIONS
59
60 AC_PROG_CPP
61 AM_PROG_CC_C_O
62
63 FORCE_MAC_GCC42
64 dnl Once we can use a modern autoconf, we can use this
65 dnl AC_PROG_CC_C99
66
67 AC_C_BIGENDIAN
68 AC_C_CONST
69 AC_HEADER_TIME
70 AC_TYPE_SIZE_T
71 AC_FUNC_MALLOC
72 AC_FUNC_REALLOC
73
74 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
75
76 # We use libtool
77 AC_PROG_LIBTOOL
78
79 AC_MSG_CHECKING("C Compiler version")
80 if test "$GCC" = "yes"
81 then
82 CC_VERSION=`$CC --version | sed 1q`
83 elif test "$SUNCC" = "yes"
84 then
85 CC_VERSION=`$CC -V 2>&1 | sed 1q`
86 else
87 CC_VERSION=""
88 fi
89 AC_MSG_RESULT("$CC_VERSION")
90 AC_SUBST(CC_VERSION)
91
92 # libmemcached versioning when linked with GNU ld.
93 if test "$lt_cv_prog_gnu_ld" = "yes"
94 then
95 LD_VERSION_SCRIPT="-Wl,--version-script=\$(top_srcdir)/libmemcached/libmemcached.ver"
96 LD_UTIL_VERSION_SCRIPT="-Wl,--version-script=\$(top_srcdir)/libmemcachedutil/libmemcachedutil.ver"
97 fi
98 AC_SUBST(LD_VERSION_SCRIPT)
99 AC_SUBST(LD_UTIL_VERSION_SCRIPT)
100
101 # Build optimized or debug version ?
102 # First check for gcc and g++
103 if test "$GCC" = "yes"
104 then
105
106 dnl Once we can use a modern autoconf, we can replace the std=gnu99 here
107 dnl with using AC_CC_STD_C99 above
108 CC="${CC} -std=gnu99"
109
110 CFLAGS="-ggdb3 ${CFLAGS}"
111 CXXFLAGS="-ggdb3 ${CXXFLAGS}"
112
113 DEBUG_CFLAGS="-O0"
114 DEBUG_CXXFLAGS="-O0"
115
116 OPTIMIZE_CFLAGS="-O3"
117 OPTIMIZE_CXXFLAGS="-O3"
118 fi
119 if test "x$SUNCC" = "xyes"
120 then
121 dnl Once we can use a modern autoconf, we can replace the -xc99=all here
122 dnl with using AC_CC_STD_C99 above
123 CC="${CC} -xc99=all"
124
125 CFLAGS="-g -mt ${CFLAGS}"
126 CXXFLAGS="-xlang=c99 -g -mt -compat=5 -library=stlport4 -template=no%extdef ${CXXFLAGS}"
127
128 OPTIMIZE_FLAGS="-xO4 -xlibmil -xdepend -xbuiltin"
129 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS} -Xa -xstrconst"
130 OPTIMIZE_CXXFLAGS="${OPTIMIZE_FLAGS}"
131
132 fi
133
134 ENABLE_64BIT
135
136 #--------------------------------------------------------------------
137 # Check for libpthread
138 #--------------------------------------------------------------------
139
140 ACX_PTHREAD(,AC_MSG_ERROR(could not find libpthread))
141 LIBS="${PTHREAD_LIBS} ${LIBS}"
142 CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
143 CC="$PTHREAD_CC"
144
145
146 AC_SEARCH_LIBS(getopt_long, gnugetopt)
147 AC_SEARCH_LIBS(socket, socket)
148 AC_SEARCH_LIBS(gethostbyname, nsl)
149
150 save_LIBS="$LIBS"
151 LIBS="$LIBS -lm"
152 AC_LINK_IFELSE(
153 [AC_LANG_PROGRAM(
154 [[
155 #include <stdlib.h>
156 ]],[[
157 float f= floorf((float) 1.0);
158 ]],
159 [LIBM="-lm"],[LIBM=""])])
160
161 AC_SUBST(LIBM)
162 LIBS="$save_LIBS"
163
164 AC_SEARCH_LIBS(floorf, m)
165
166 dnl Specialty checks
167 DETECT_BYTEORDER
168 ENABLE_UTILLIB
169 ENABLE_DTRACE
170 SETSOCKOPT_SANITY
171 ENABLE_HSIEH_HASH
172 REQUIRE_POD2MAN
173 PROTOCOL_BINARY_TEST
174 WITH_MEMCACHED
175 ENABLE_DEPRECATED
176
177 dnl TODO: Remove this define once we are using 2.61 across the board.
178 # AX_HEADER_ASSERT
179 # ----------------
180 # Check whether to enable assertions.
181 AC_DEFUN([AX_HEADER_ASSERT],
182 [
183 AC_MSG_CHECKING([whether to enable assertions])
184 AC_ARG_ENABLE([assert],
185 [AS_HELP_STRING([--disable-assert],
186 [Turn off assertions])],
187 [ac_cv_assert="no"],
188 [ac_cv_assert="yes"])
189 AC_MSG_RESULT([$ac_cv_assert])
190 ])
191 AX_HEADER_ASSERT
192
193
194 AC_ARG_WITH([debug],
195 [AS_HELP_STRING([--with-debug],
196 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
197 [with_debug=$withval],
198 [with_debug=no])
199 if test "$with_debug" = "yes"
200 then
201 # Debugging. No optimization.
202 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
203 CXXFLAGS="${DEBUG_CXXFLAGS} -DDEBUG ${CXXFLAGS}"
204 else
205 # Optimized version. No debug
206 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
207 CXXFLAGS="${OPTIMIZE_CXXFLAGS} ${CXXFLAGS}"
208 fi
209
210 AC_ARG_ENABLE([profiling],
211 [AS_HELP_STRING([--enable-profiling],
212 [Toggle profiling @<:@default=off@:>@])],
213 [ac_profiling="$enableval"],
214 [ac_profiling="no"])
215
216 AC_ARG_ENABLE([coverage],
217 [AS_HELP_STRING([--enable-coverage],
218 [Toggle coverage @<:@default=off@:>@])],
219 [ac_coverage="$enableval"],
220 [ac_coverage="no"])
221
222 if test "$GCC" = "yes"
223 then
224
225 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
226 [ac_cv_safe_to_use_fdiagnostics_show_option_],
227 [save_CFLAGS="$CFLAGS"
228 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
229 AC_COMPILE_IFELSE(
230 [AC_LANG_PROGRAM([],[])],
231 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
232 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
233 CFLAGS="$save_CFLAGS"])
234
235 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
236 [
237 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
238 ])
239
240 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
241 [ac_cv_safe_to_use_wconversion_],
242 [save_CFLAGS="$CFLAGS"
243 CFLAGS="-Werror -Wconversion ${CFLAGS}"
244 AC_COMPILE_IFELSE(
245 [AC_LANG_PROGRAM([[
246 #include <stdbool.h>
247 void foo(bool a)
248 {
249 (void)a;
250 }
251 ]],[[
252 foo(0);
253 ]])],
254 [ac_cv_safe_to_use_wconversion_=yes],
255 [ac_cv_safe_to_use_wconversion_=no])
256 CFLAGS="$save_CFLAGS"])
257
258 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
259 [W_CONVERSION="-Wconversion"
260 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
261 [ac_cv_safe_to_use_Wconversion_],
262 [save_CFLAGS="$CFLAGS"
263 CFLAGS="-Werror -Wconversion ${CFLAGS}"
264 AC_COMPILE_IFELSE(
265 [AC_LANG_PROGRAM(
266 [[
267 #include <netinet/in.h>
268 ]],[[
269 uint16_t x= htons(80);
270 ]])],
271 [ac_cv_safe_to_use_Wconversion_=yes],
272 [ac_cv_safe_to_use_Wconversion_=no])
273 CFLAGS="$save_CFLAGS"])
274
275 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
276 [
277 NO_CONVERSION="-Wno-conversion"
278 ])
279 ])
280
281 W_STRICT_ALIASING="-Wno-strict-aliasing"
282
283 AS_IF([test "$ac_profiling" = "yes"],
284 [CC_PROFILING="-pg"])
285
286 AS_IF([test "$ac_coverage" = "yes"],
287 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
288
289 AS_IF([test "$building_from_bzr" = "yes"],
290 [W_FAIL="-Werror"])
291
292 BASE_WARNINGS="-pedantic -W -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations ${W_STRICT_ALIASING} ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
293 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
294 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
295
296 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
297 [ac_cv_safe_to_use_Wlogical_op_],
298 [save_CFLAGS="$CFLAGS"
299 CFLAGS="-Wlogical-op"
300 AC_COMPILE_IFELSE([
301 AC_LANG_PROGRAM(
302 [[
303 #include <stdio>
304 ]], [[]])
305 ],
306 [ac_cv_safe_to_use_Wlogical_op_=yes],
307 [ac_cv_safe_to_use_Wlogical_op_=no])
308 CFLAGS="$save_CFLAGS"])
309 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
310 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
311
312 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
313 [ac_cv_safe_to_use_Wredundant_decls_],
314 [AC_LANG_PUSH(C++)
315 save_CXXFLAGS="${CXXFLAGS}"
316 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
317 AC_COMPILE_IFELSE(
318 [AC_LANG_PROGRAM([
319 template <typename E> struct C { void foo(); };
320 template <typename E> void C<E>::foo() { }
321 template <> void C<int>::foo();
322 AC_INCLUDES_DEFAULT])],
323 [ac_cv_safe_to_use_Wredundant_decls_=yes],
324 [ac_cv_safe_to_use_Wredundant_decls_=no])
325 CXXFLAGS="${save_CXXFLAGS}"
326 AC_LANG_POP()])
327 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
328 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
329 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
330
331 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
332 fi
333 if test "$SUNCC" = "yes"
334 then
335
336 AS_IF([test "$ac_profiling" = "yes"],
337 [CC_PROFILING="-xinstrument=datarace"])
338
339 AS_IF([test "$building_from_bzr" = "yes"],
340 [W_FAIL="-errwarn=%all"])
341
342 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
343 [ac_cv_paste_result],
344 [
345 save_CFLAGS="${CFLAGS}"
346 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
347 AC_COMPILE_IFELSE(
348 [AC_LANG_PROGRAM([
349 AC_INCLUDES_DEFAULT
350 ],[
351 int x= 0;])],
352 [ac_cv_paste_result=yes],
353 [ac_cv_paste_result=no])
354 CFLAGS="${save_CFLAGS}"
355 ])
356 AS_IF([test $ac_cv_paste_result = yes],
357 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
358
359
360 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
361 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
362 fi
363
364 AC_SUBST(NO_CONVERSION)
365 AC_SUBST(NO_REDUNDANT_DECLS)
366
367 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
368 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
369 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
370
371 AC_SUBST([AM_CPPFLAGS])
372 AC_SUBST([AM_CFLAGS])
373 AC_SUBST([AM_CXXFLAGS])
374
375 dnl We've collected the flags in AM_*FLAGS now, so blank these.
376 CFLAGS=""
377 CXXFLAGS=""
378 CPPFLAGS=""
379
380 AC_CONFIG_FILES([
381 Makefile
382 clients/Makefile
383 tests/Makefile
384 docs/Makefile
385 libmemcached/Makefile
386 libmemcached/memcached_configure.h
387 libmemcachedutil/Makefile
388 support/Makefile
389 support/libmemcached.pc
390 support/libmemcached.spec
391 support/libmemcached-fc.spec
392 ])
393 AC_OUTPUT
394
395 echo "---"
396 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
397 echo ""
398 echo " * Installation prefix: $prefix"
399 echo " * System type: $host_vendor-$host_os"
400 echo " * Host CPU: $host_cpu"
401 echo " * C Compiler: $CC_VERSION"
402 echo " * Assertions enabled: $ac_cv_assert"
403 echo " * Debug enabled: $with_debug"
404 echo " * Warnings as failure: $building_from_bzr"
405 echo ""
406 echo "---"
407