1 # Gearman server and library
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)
14 #shared library versioning
15 MEMCACHED_LIBRARY_VERSION=2:0:0
19 # current:revision:age
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)
30 # Setting CFLAGS here prevents AC_CANONICAL_TARGET from injecting them
32 SAVE_CXXFLAGS=${CXXFLAGS}
39 CXXFLAGS=${SAVE_CXXFLAGS}
41 AM_INIT_AUTOMAKE([-Wall -Werror nostdinc subdir-objects])
43 if test "x${enable_dependency_tracking}" = "x"
45 enable_dependency_tracking=yes
48 if test -d "${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 ${CXXFLAGS}"
122 OPTIMIZE_FLAGS="-xO4 -xlibmil -xdepend -xbuiltin -lmopt"
123 OPTIMIZE_CFLAGS="${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 ${CFLAGS}"
197 # Optimized version. No debug
198 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
201 AC_ARG_ENABLE([profiling],
202 [AS_HELP_STRING([--enable-profiling],
203 [Toggle profiling @<:@default=off@:>@])],
204 [ac_profiling="$enableval"],
207 AC_ARG_ENABLE([coverage],
208 [AS_HELP_STRING([--enable-coverage],
209 [Toggle coverage @<:@default=off@:>@])],
210 [ac_coverage="$enableval"],
213 dnl We can't do this warning, so turn off
214 W_STRICT_ALIASING="-Wno-strict-aliasing"
216 if test "$GCC" = "yes"
219 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
220 [ac_cv_safe_to_use_fdiagnostics_show_option_],
221 [save_CFLAGS="$CFLAGS"
222 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
224 [AC_LANG_PROGRAM([],[])],
225 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
226 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
227 CFLAGS="$save_CFLAGS"])
229 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
231 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
235 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
236 [ac_cv_safe_to_use_wconversion_],
237 [save_CFLAGS="$CFLAGS"
238 CFLAGS="-Werror -Wconversion ${CFLAGS}"
249 [ac_cv_safe_to_use_wconversion_=yes],
250 [ac_cv_safe_to_use_wconversion_=no])
251 CFLAGS="$save_CFLAGS"])
252 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
253 [W_CONVERSION="-Wconversion"
254 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
255 [ac_cv_safe_to_use_Wconversion_],
256 [save_CFLAGS="$CFLAGS"
257 CFLAGS="-Werror -Wconversion ${CFLAGS}"
261 #include <netinet/in.h>
263 uint16_t x= htons(80);
265 [ac_cv_safe_to_use_Wconversion_=yes],
266 [ac_cv_safe_to_use_Wconversion_=no])
267 CFLAGS="$save_CFLAGS"])
269 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
271 NO_CONVERSION="-Wno-conversion"
275 W_STRICT_ALIASING="-Wno-strict-aliasing"
277 AS_IF([test "$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 -Wconversion"
288 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long -Wconversion"
291 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
292 [ac_cv_safe_to_use_Wlogical_op_],
293 [save_CFLAGS="$CFLAGS"
294 CFLAGS="-Wlogical-op"
301 [ac_cv_safe_to_use_Wlogical_op_=yes],
302 [ac_cv_safe_to_use_Wlogical_op_=no])
303 CFLAGS="$save_CFLAGS"])
304 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
305 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
307 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
308 [ac_cv_safe_to_use_Wredundant_decls_],
310 save_CXXFLAGS="${CXXFLAGS}"
311 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
314 template <typename E> struct C { void foo(); };
315 template <typename E> void C<E>::foo() { }
316 template <> void C<int>::foo();
317 AC_INCLUDES_DEFAULT])],
318 [ac_cv_safe_to_use_Wredundant_decls_=yes],
319 [ac_cv_safe_to_use_Wredundant_decls_=no])
320 CXXFLAGS="${save_CXXFLAGS}"
322 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
323 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
324 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
326 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
328 if test "$SUNCC" = "yes"
331 AS_IF([test "$ac_profiling" = "yes"],
332 [CC_PROFILING="-xinstrument=datarace"])
334 AS_IF([test "$building_from_bzr" = "yes"],
335 [W_FAIL="-errwarn=%all"])
337 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
338 [ac_cv_paste_result],
340 save_CFLAGS="${CFLAGS}"
341 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
347 [ac_cv_paste_result=yes],
348 [ac_cv_paste_result=no])
349 CFLAGS="${save_CFLAGS}"
351 AS_IF([test $ac_cv_paste_result = yes],
352 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
355 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
356 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
359 AC_SUBST(NO_CONVERSION)
360 AC_SUBST(NO_REDUNDANT_DECLS)
362 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
363 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
364 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
366 AC_SUBST([AM_CPPFLAGS])
367 AC_SUBST([AM_CFLAGS])
368 AC_SUBST([AM_CXXFLAGS])
370 dnl We've collected the flags in AM_*FLAGS now, so blank these.
380 libmemcached/Makefile
381 libmemcachedutil/Makefile
383 support/libmemcached.pc
384 support/libmemcached.spec
385 support/libmemcached-fc.spec
390 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
392 echo " * Installation prefix: $prefix"
393 echo " * System type: $host_vendor-$host_os"
394 echo " * Host CPU: $host_cpu"
395 echo " * C Compiler: $CC_VERSION"
396 echo " * Assertions enabled: $ac_cv_assert"
397 echo " * Debug enabled: $with_debug"
398 echo " * Warnings as failure: $building_from_bzr"