Removed unused references to unreachable-code.
[awesomized/libmemcached] / configure.ac
1 # Gearman server and library
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
14 #shared library versioning
15 MEMCACHED_LIBRARY_VERSION=2:0:0
16 # | | |
17 # +------+ | +---+
18 # | | |
19 # current:revision:age
20 # | | |
21 # | | +- increment if interfaces have been added
22 # | | set to zero if interfaces have been removed or changed
23 # | +- increment if source code has changed
24 # | set to zero if current is incremented
25 # +- increment if interfaces have been added, removed or changed
26 AC_SUBST(MEMCACHED_LIBRARY_VERSION)
27 MEMCACHEDUTIL_LIBRARY_VERSION=0:0:0
28 AC_SUBST(MEMCACHEDUTIL_LIBRARY_VERSION)
29
30 # Setting CFLAGS here prevents AC_CANONICAL_TARGET from injecting them
31 SAVE_CFLAGS=${CFLAGS}
32 SAVE_CXXFLAGS=${CXXFLAGS}
33 CFLAGS=
34 CXXFLAGS=
35
36 AC_CANONICAL_TARGET
37
38 CFLAGS=${SAVE_CFLAGS}
39 CXXFLAGS=${SAVE_CXXFLAGS}
40
41 AM_INIT_AUTOMAKE([-Wall -Werror nostdinc subdir-objects])
42
43 if test "x${enable_dependency_tracking}" = "x"
44 then
45 enable_dependency_tracking=yes
46 fi
47
48 if test -d "${srcdir}/.bzr"
49 then
50 building_from_bzr=yes
51 else
52 building_from_bzr=no
53 fi
54
55 AC_PROG_CC
56 AC_PROG_CC_C99
57 AM_PROG_CC_STDC
58 AC_PROG_CXX
59
60 ACX_USE_SYSTEM_EXTENSIONS
61
62 AC_PROG_CPP
63 AM_PROG_CC_C_O
64
65 AC_C_BIGENDIAN
66 AC_C_CONST
67 AC_HEADER_TIME
68 AC_TYPE_SIZE_T
69 AC_TYPE_SSIZE_T
70 AC_FUNC_MALLOC
71 AC_FUNC_REALLOC
72
73 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
74
75 # We use libtool
76 AC_PROG_LIBTOOL
77
78 AC_MSG_CHECKING("C Compiler version")
79 if test "$GCC" = "yes"
80 then
81 CC_VERSION=`$CC --version | sed 1q`
82 elif test "$SUNCC" = "yes"
83 then
84 CC_VERSION=`$CC -V 2>&1 | sed 1q`
85 else
86 CC_VERSION=""
87 fi
88 AC_MSG_RESULT("$CC_VERSION")
89 AC_SUBST(CC_VERSION)
90
91 # libmemcached versioning when linked with GNU ld.
92 if test "$lt_cv_prog_gnu_ld" = "yes"
93 then
94 LD_VERSION_SCRIPT="-Wl,--version-script=\$(top_srcdir)/libmemcached/libmemcached.ver"
95 LD_UTIL_VERSION_SCRIPT="-Wl,--version-script=\$(top_srcdir)/libmemcachedutil/libmemcachedutil.ver"
96 fi
97 AC_SUBST(LD_VERSION_SCRIPT)
98 AC_SUBST(LD_UTIL_VERSION_SCRIPT)
99
100 # Build optimized or debug version ?
101 # First check for gcc and g++
102 if test "$GCC" = "yes"
103 then
104 CFLAGS="-ggdb3 -std=gnu99 ${CFLAGS}"
105 DEBUG_CFLAGS="-O0"
106 OPTIMIZE_CFLAGS="-O3"
107 fi
108 if test "x$SUNCC" = "xyes"
109 then
110 CFLAGS="-g -mt -xc99=all $CFLAGS"
111 CXXFLAGS="-g -mt -xlang=c99 $CXXFLAGS"
112 OPTIMIZE_CFLAGS="-xO4 -xlibmil -xdepend -Xa -xstrconst"
113 fi
114
115 SOLARIS_64BIT
116
117 #--------------------------------------------------------------------
118 # Check for libpthread
119 #--------------------------------------------------------------------
120
121 ACX_PTHREAD(,AC_MSG_ERROR(could not find libpthread))
122 LIBS="${PTHREAD_LIBS} ${LIBS}"
123 CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
124 CC="$PTHREAD_CC"
125
126
127 AC_SEARCH_LIBS(getopt_long, gnugetopt)
128 AC_SEARCH_LIBS(socket, socket)
129 AC_SEARCH_LIBS(gethostbyname, nsl)
130
131 save_LIBS="$LIBS"
132 LIBS="$LIBS -lm"
133 AC_LINK_IFELSE(
134 [AC_LANG_PROGRAM(
135 [[
136 #include <stdlib.h>
137 ]],[[
138 float f= floorf((float) 1.0);
139 ]],
140 [LIBM="-lm"],[LIBM=""])])
141
142 AC_SUBST(LIBM)
143 LIBS="$save_LIBS"
144
145 AC_SEARCH_LIBS(floorf, m)
146
147 DETECT_BYTEORDER
148 ENABLE_UTILLIB
149
150 sinclude(m4/pod2man.m4)
151 sinclude(m4/dtrace.m4)
152 sinclude(m4/protocol_binary.m4)
153 sinclude(m4/memcached.m4)
154 sinclude(m4/setsockopt.m4)
155 sinclude(m4/hsieh.m4)
156
157 dnl TODO: Remove this define once we are using 2.61 across the board.
158 # AX_HEADER_ASSERT
159 # ----------------
160 # Check whether to enable assertions.
161 AC_DEFUN([AX_HEADER_ASSERT],
162 [
163 AC_MSG_CHECKING([whether to enable assertions])
164 AC_ARG_ENABLE([assert],
165 [AS_HELP_STRING([--disable-assert],
166 [Turn off assertions])],
167 [ac_cv_assert="no"],
168 [ac_cv_assert="yes"])
169 AC_MSG_RESULT([$ac_cv_assert])
170 ])
171 AX_HEADER_ASSERT
172
173
174 AC_ARG_WITH([debug],
175 [AS_HELP_STRING([--with-debug],
176 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
177 [with_debug=$withval],
178 [with_debug=no])
179 if test "$with_debug" = "yes"
180 then
181 # Debugging. No optimization.
182 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
183 else
184 # Optimized version. No debug
185 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
186 fi
187
188 AC_ARG_ENABLE([profiling],
189 [AS_HELP_STRING([--enable-profiling],
190 [Toggle profiling @<:@default=off@:>@])],
191 [ac_profiling="$enableval"],
192 [ac_profiling="no"])
193
194 AC_ARG_ENABLE([coverage],
195 [AS_HELP_STRING([--enable-coverage],
196 [Toggle coverage @<:@default=off@:>@])],
197 [ac_coverage="$enableval"],
198 [ac_coverage="no"])
199
200 dnl We can't do this warning, so turn off
201 W_STRICT_ALIASING="-Wno-strict-aliasing"
202
203 if test "$GCC" = "yes"
204 then
205
206
207 AS_IF([test "$ac_profiling" = "yes"],
208 [CC_PROFILING="-pg"])
209
210 AS_IF([test "$ac_coverage" = "yes"],
211 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
212
213 AS_IF([test "$building_from_bzr" = "yes"],
214 [W_FAIL="-Werror"])
215
216 BASE_WARNINGS="-pedantic -W -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations ${W_STRICT_ALIASING}"
217 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
218 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
219
220
221 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
222 [ac_cv_safe_to_use_Wlogical_op_],
223 [save_CFLAGS="$CFLAGS"
224 CFLAGS="-Wlogical-op"
225 AC_COMPILE_IFELSE([
226 AC_LANG_PROGRAM(
227 [[
228 #include <stdio>
229 ]], [[]])
230 ],
231 [ac_cv_safe_to_use_Wlogical_op_=yes],
232 [ac_cv_safe_to_use_Wlogical_op_=no])
233 CFLAGS="$save_CFLAGS"])
234 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
235 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
236
237 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
238 [ac_cv_safe_to_use_Wredundant_decls_],
239 [AC_LANG_PUSH(C++)
240 save_CXXFLAGS="${CXXFLAGS}"
241 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
242 AC_COMPILE_IFELSE(
243 [AC_LANG_PROGRAM([
244 template <typename E> struct C { void foo(); };
245 template <typename E> void C<E>::foo() { }
246 template <> void C<int>::foo();
247 AC_INCLUDES_DEFAULT])],
248 [ac_cv_safe_to_use_Wredundant_decls_=yes],
249 [ac_cv_safe_to_use_Wredundant_decls_=no])
250 CXXFLAGS="${save_CXXFLAGS}"
251 AC_LANG_POP()])
252 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
253 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
254 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
255
256 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
257 fi
258 if test "$SUNCC" = "yes"
259 then
260
261 AS_IF([test "$ac_profiling" = "yes"],
262 [CC_PROFILING="-xinstrument=datarace"])
263
264 AS_IF([test "$building_from_bzr" = "yes"],
265 [W_FAIL="-errwarn=%all"])
266
267 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
268 [ac_cv_paste_result],
269 [
270 save_CFLAGS="${CFLAGS}"
271 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
272 AC_COMPILE_IFELSE(
273 [AC_LANG_PROGRAM([
274 AC_INCLUDES_DEFAULT
275 ],[
276 int x= 0;])],
277 [ac_cv_paste_result=yes],
278 [ac_cv_paste_result=no])
279 CFLAGS="${save_CFLAGS}"
280 ])
281 AS_IF([test $ac_cv_paste_result = yes],
282 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
283
284
285 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
286 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
287 fi
288
289 AC_SUBST(NO_REDUNDANT_DECLS)
290
291 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
292 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
293 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
294
295 AC_SUBST([AM_CPPFLAGS])
296 AC_SUBST([AM_CFLAGS])
297 AC_SUBST([AM_CXXFLAGS])
298
299 dnl We've collected the flags in AM_*FLAGS now, so blank these.
300 CFLAGS=""
301 CXXFLAGS=""
302 CPPFLAGS=""
303
304 AC_CONFIG_FILES([
305 Makefile
306 clients/Makefile
307 tests/Makefile
308 docs/Makefile
309 libmemcached/Makefile
310 libmemcachedutil/Makefile
311 support/Makefile
312 support/libmemcached.pc
313 support/libmemcached.spec
314 support/libmemcached-fc.spec
315 ])
316 AC_OUTPUT