2 # Copyright (C) 2008 Brian Aker
5 # Use and distribution licensed under the BSD license. See
6 # the COPYING file in this directory for full text.
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])
15 #shared library versioning
16 MEMCACHED_LIBRARY_VERSION=2:0:0
20 # current:revision:age
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)
31 # Setting CFLAGS here prevents AC_CANONICAL_TARGET from injecting them
33 SAVE_CXXFLAGS=${CXXFLAGS}
40 CXXFLAGS=${SAVE_CXXFLAGS}
42 AM_INIT_AUTOMAKE([-Wall -Werror nostdinc subdir-objects])
44 if test "x${enable_dependency_tracking}" = "x"
46 enable_dependency_tracking=yes
49 if test -d "${srcdir}/.bzr"
60 ACX_USE_SYSTEM_EXTENSIONS
73 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
78 AC_MSG_CHECKING("C Compiler version")
79 if test "$GCC" = "yes"
81 CC_VERSION=`$CC --version | sed 1q`
82 elif test "$SUNCC" = "yes"
84 CC_VERSION=`$CC -V 2>&1 | sed 1q`
88 AC_MSG_RESULT("$CC_VERSION")
91 # libmemcached versioning when linked with GNU ld.
92 if test "$lt_cv_prog_gnu_ld" = "yes"
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"
97 AC_SUBST(LD_VERSION_SCRIPT)
98 AC_SUBST(LD_UTIL_VERSION_SCRIPT)
100 # Use the C99 enabling flag found earlier
101 AS_IF([test "$ac_cv_prog_cc_c99" != "no"],
102 [CFLAGS="$ac_cv_prog_cc_c99 ${CFLAGS}"])
104 # Build optimized or debug version ?
105 # First check for gcc and g++
106 if test "$GCC" = "yes"
108 CFLAGS="-ggdb3 ${CFLAGS}"
109 CXXFLAGS="-ggdb3 ${CXXFLAGS}"
114 OPTIMIZE_CFLAGS="-O3"
115 OPTIMIZE_CXXFLAGS="-O3"
117 if test "x$SUNCC" = "xyes"
119 CFLAGS="-g -mt ${CFLAGS}"
120 CXXFLAGS="-xlang=c99 -g -mt -compat=5 -library=stlport4 -template=no%extdef ${CXXFLAGS}"
122 OPTIMIZE_FLAGS="-xO4 -xlibmil -xdepend -xbuiltin"
123 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS} -Xa -xstrconst"
124 OPTIMIZE_CXXFLAGS="${OPTIMIZE_FLAGS}"
130 #--------------------------------------------------------------------
131 # Check for libpthread
132 #--------------------------------------------------------------------
134 ACX_PTHREAD(,AC_MSG_ERROR(could not find libpthread))
135 LIBS="${PTHREAD_LIBS} ${LIBS}"
136 CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
140 AC_SEARCH_LIBS(getopt_long, gnugetopt)
141 AC_SEARCH_LIBS(socket, socket)
142 AC_SEARCH_LIBS(gethostbyname, nsl)
151 float f= floorf((float) 1.0);
153 [LIBM="-lm"],[LIBM=""])])
158 AC_SEARCH_LIBS(floorf, m)
170 dnl TODO: Remove this define once we are using 2.61 across the board.
173 # Check whether to enable assertions.
174 AC_DEFUN([AX_HEADER_ASSERT],
176 AC_MSG_CHECKING([whether to enable assertions])
177 AC_ARG_ENABLE([assert],
178 [AS_HELP_STRING([--disable-assert],
179 [Turn off assertions])],
181 [ac_cv_assert="yes"])
182 AC_MSG_RESULT([$ac_cv_assert])
188 [AS_HELP_STRING([--with-debug],
189 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
190 [with_debug=$withval],
192 if test "$with_debug" = "yes"
194 # Debugging. No optimization.
195 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
196 CXXFLAGS="${DEBUG_CXXFLAGS} -DDEBUG ${CXXFLAGS}"
198 # Optimized version. No debug
199 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
200 CXXFLAGS="${OPTIMIZE_CXXFLAGS} ${CXXFLAGS}"
203 AC_ARG_ENABLE([profiling],
204 [AS_HELP_STRING([--enable-profiling],
205 [Toggle profiling @<:@default=off@:>@])],
206 [ac_profiling="$enableval"],
209 AC_ARG_ENABLE([coverage],
210 [AS_HELP_STRING([--enable-coverage],
211 [Toggle coverage @<:@default=off@:>@])],
212 [ac_coverage="$enableval"],
215 if test "$GCC" = "yes"
218 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
219 [ac_cv_safe_to_use_fdiagnostics_show_option_],
220 [save_CFLAGS="$CFLAGS"
221 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
223 [AC_LANG_PROGRAM([],[])],
224 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
225 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
226 CFLAGS="$save_CFLAGS"])
228 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
230 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
233 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
234 [ac_cv_safe_to_use_wconversion_],
235 [save_CFLAGS="$CFLAGS"
236 CFLAGS="-Werror -Wconversion ${CFLAGS}"
247 [ac_cv_safe_to_use_wconversion_=yes],
248 [ac_cv_safe_to_use_wconversion_=no])
249 CFLAGS="$save_CFLAGS"])
251 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
252 [W_CONVERSION="-Wconversion"
253 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
254 [ac_cv_safe_to_use_Wconversion_],
255 [save_CFLAGS="$CFLAGS"
256 CFLAGS="-Werror -Wconversion ${CFLAGS}"
260 #include <netinet/in.h>
262 uint16_t x= htons(80);
264 [ac_cv_safe_to_use_Wconversion_=yes],
265 [ac_cv_safe_to_use_Wconversion_=no])
266 CFLAGS="$save_CFLAGS"])
268 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
270 NO_CONVERSION="-Wno-conversion"
275 W_STRICT_ALIASING="-Wno-strict-aliasing"
277 AS_IF([test "$ac_profiling" = "yes"],
278 [CC_PROFILING="-pg"])
280 AS_IF([test "$ac_coverage" = "yes"],
281 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
283 AS_IF([test "$building_from_bzr" = "yes"],
286 BASE_WARNINGS="-pedantic -W -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations ${W_STRICT_ALIASING} ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
287 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
288 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
290 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
291 [ac_cv_safe_to_use_Wlogical_op_],
292 [save_CFLAGS="$CFLAGS"
293 CFLAGS="-Wlogical-op"
300 [ac_cv_safe_to_use_Wlogical_op_=yes],
301 [ac_cv_safe_to_use_Wlogical_op_=no])
302 CFLAGS="$save_CFLAGS"])
303 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
304 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
306 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
307 [ac_cv_safe_to_use_Wredundant_decls_],
309 save_CXXFLAGS="${CXXFLAGS}"
310 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
313 template <typename E> struct C { void foo(); };
314 template <typename E> void C<E>::foo() { }
315 template <> void C<int>::foo();
316 AC_INCLUDES_DEFAULT])],
317 [ac_cv_safe_to_use_Wredundant_decls_=yes],
318 [ac_cv_safe_to_use_Wredundant_decls_=no])
319 CXXFLAGS="${save_CXXFLAGS}"
321 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
322 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
323 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
325 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
327 if test "$SUNCC" = "yes"
330 AS_IF([test "$ac_profiling" = "yes"],
331 [CC_PROFILING="-xinstrument=datarace"])
333 AS_IF([test "$building_from_bzr" = "yes"],
334 [W_FAIL="-errwarn=%all"])
336 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
337 [ac_cv_paste_result],
339 save_CFLAGS="${CFLAGS}"
340 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
346 [ac_cv_paste_result=yes],
347 [ac_cv_paste_result=no])
348 CFLAGS="${save_CFLAGS}"
350 AS_IF([test $ac_cv_paste_result = yes],
351 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
354 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
355 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
358 AC_SUBST(NO_REDUNDANT_DECLS)
360 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
361 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
362 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
364 AC_SUBST([AM_CPPFLAGS])
365 AC_SUBST([AM_CFLAGS])
366 AC_SUBST([AM_CXXFLAGS])
368 dnl We've collected the flags in AM_*FLAGS now, so blank these.
378 libmemcached/Makefile
379 libmemcachedutil/Makefile
381 support/libmemcached.pc
382 support/libmemcached.spec
383 support/libmemcached-fc.spec
388 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
390 echo " * Installation prefix: $prefix"
391 echo " * System type: $host_vendor-$host_os"
392 echo " * Host CPU: $host_cpu"
393 echo " * C Compiler: $CC_VERSION"
394 echo " * Assertions enabled: $ac_cv_assert"
395 echo " * Debug enabled: $with_debug"
396 echo " * Warnings as failure: $building_from_bzr"