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([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"
58 ACX_USE_SYSTEM_EXTENSIONS
64 dnl Once we can use a modern autoconf, we can use this
74 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
79 AC_MSG_CHECKING("C Compiler version")
80 if test "$GCC" = "yes"
82 CC_VERSION=`$CC --version | sed 1q`
83 elif test "$SUNCC" = "yes"
85 CC_VERSION=`$CC -V 2>&1 | sed 1q`
89 AC_MSG_RESULT("$CC_VERSION")
92 # libmemcached versioning when linked with GNU ld.
93 if test "$lt_cv_prog_gnu_ld" = "yes"
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"
98 AC_SUBST(LD_VERSION_SCRIPT)
99 AC_SUBST(LD_UTIL_VERSION_SCRIPT)
103 # Build optimized or debug version ?
104 # First check for gcc and g++
105 if test "$GCC" = "yes"
108 dnl Once we can use a modern autoconf, we can replace the std=gnu99 here
109 dnl with using AC_CC_STD_C99 above
110 CC="${CC} -std=gnu99"
112 CFLAGS="-ggdb3 ${CFLAGS}"
113 CXXFLAGS="-ggdb3 ${CXXFLAGS}"
118 OPTIMIZE_CFLAGS="-O3"
119 OPTIMIZE_CXXFLAGS="-O3"
121 if test "x$SUNCC" = "xyes"
123 dnl Once we can use a modern autoconf, we can replace the -xc99=all here
124 dnl with using AC_CC_STD_C99 above
127 CFLAGS="-g -mt ${CFLAGS}"
128 CXXFLAGS="-xlang=c99 -g -mt -compat=5 -library=stlport4 -template=no%extdef ${CXXFLAGS}"
130 OPTIMIZE_FLAGS="-xO4 -xlibmil -xdepend -xbuiltin"
131 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS} -Xa -xstrconst"
132 OPTIMIZE_CXXFLAGS="${OPTIMIZE_FLAGS}"
138 #--------------------------------------------------------------------
139 # Check for libpthread
140 #--------------------------------------------------------------------
142 ACX_PTHREAD(,AC_MSG_ERROR(could not find libpthread))
143 LIBS="${PTHREAD_LIBS} ${LIBS}"
144 CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
148 AC_SEARCH_LIBS(getopt_long, gnugetopt)
149 AC_SEARCH_LIBS(socket, socket)
150 AC_SEARCH_LIBS(gethostbyname, nsl)
159 float f= floorf((float) 1.0);
161 [LIBM="-lm"],[LIBM=""])])
166 AC_SEARCH_LIBS(floorf, m)
179 dnl TODO: Remove this define once we are using 2.61 across the board.
182 # Check whether to enable assertions.
183 AC_DEFUN([AX_HEADER_ASSERT],
185 AC_MSG_CHECKING([whether to enable assertions])
186 AC_ARG_ENABLE([assert],
187 [AS_HELP_STRING([--disable-assert],
188 [Turn off assertions])],
190 [ac_cv_assert="yes"])
191 AC_MSG_RESULT([$ac_cv_assert])
197 [AS_HELP_STRING([--with-debug],
198 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
199 [with_debug=$withval],
201 if test "$with_debug" = "yes"
203 # Debugging. No optimization.
204 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
205 CXXFLAGS="${DEBUG_CXXFLAGS} -DDEBUG ${CXXFLAGS}"
207 # Optimized version. No debug
208 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
209 CXXFLAGS="${OPTIMIZE_CXXFLAGS} ${CXXFLAGS}"
212 AC_ARG_ENABLE([profiling],
213 [AS_HELP_STRING([--enable-profiling],
214 [Toggle profiling @<:@default=off@:>@])],
215 [ac_profiling="$enableval"],
218 AC_ARG_ENABLE([coverage],
219 [AS_HELP_STRING([--enable-coverage],
220 [Toggle coverage @<:@default=off@:>@])],
221 [ac_coverage="$enableval"],
224 if test "$GCC" = "yes"
227 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
228 [ac_cv_safe_to_use_fdiagnostics_show_option_],
229 [save_CFLAGS="$CFLAGS"
230 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
232 [AC_LANG_PROGRAM([],[])],
233 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
234 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
235 CFLAGS="$save_CFLAGS"])
237 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
239 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
242 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
243 [ac_cv_safe_to_use_wconversion_],
244 [save_CFLAGS="$CFLAGS"
245 CFLAGS="-Werror -Wconversion ${CFLAGS}"
256 [ac_cv_safe_to_use_wconversion_=yes],
257 [ac_cv_safe_to_use_wconversion_=no])
258 CFLAGS="$save_CFLAGS"])
260 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
261 [W_CONVERSION="-Wconversion"
262 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
263 [ac_cv_safe_to_use_Wconversion_],
264 [save_CFLAGS="$CFLAGS"
265 CFLAGS="-Werror -Wconversion ${CFLAGS}"
269 #include <netinet/in.h>
271 uint16_t x= htons(80);
273 [ac_cv_safe_to_use_Wconversion_=yes],
274 [ac_cv_safe_to_use_Wconversion_=no])
275 CFLAGS="$save_CFLAGS"])
277 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
279 NO_CONVERSION="-Wno-conversion"
283 AS_IF([test "$ac_profiling" = "yes"],
284 [CC_PROFILING="-pg"])
286 AS_IF([test "$ac_coverage" = "yes"],
287 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
289 AS_IF([test "$building_from_bzr" = "yes"],
293 BASE_WARNINGS="-pedantic -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations -Wstrict-aliasing -Wformat=2 ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION} ${CFLAG_VISIBILITY}"
294 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
295 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
297 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
298 [ac_cv_safe_to_use_Wlogical_op_],
299 [save_CFLAGS="$CFLAGS"
300 CFLAGS="-Wlogical-op"
307 [ac_cv_safe_to_use_Wlogical_op_=yes],
308 [ac_cv_safe_to_use_Wlogical_op_=no])
309 CFLAGS="$save_CFLAGS"])
310 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
311 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
313 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
314 [ac_cv_safe_to_use_Wredundant_decls_],
316 save_CXXFLAGS="${CXXFLAGS}"
317 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
320 template <typename E> struct C { void foo(); };
321 template <typename E> void C<E>::foo() { }
322 template <> void C<int>::foo();
323 AC_INCLUDES_DEFAULT])],
324 [ac_cv_safe_to_use_Wredundant_decls_=yes],
325 [ac_cv_safe_to_use_Wredundant_decls_=no])
326 CXXFLAGS="${save_CXXFLAGS}"
328 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
329 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
330 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
332 NO_STRICT_ALIASING="-fno-strict-aliasing -Wno-strict-aliasing"
333 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
335 if test "$SUNCC" = "yes"
338 AS_IF([test "$ac_profiling" = "yes"],
339 [CC_PROFILING="-xinstrument=datarace"])
341 AS_IF([test "$building_from_bzr" = "yes"],
342 [W_FAIL="-errwarn=%all"])
344 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
345 [ac_cv_paste_result],
347 save_CFLAGS="${CFLAGS}"
348 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
354 [ac_cv_paste_result=yes],
355 [ac_cv_paste_result=no])
356 CFLAGS="${save_CFLAGS}"
358 AS_IF([test $ac_cv_paste_result = yes],
359 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
362 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
363 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
366 AC_SUBST(NO_CONVERSION)
367 AC_SUBST(NO_REDUNDANT_DECLS)
368 AC_SUBST(NO_STRICT_ALIASING)
370 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
371 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
372 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
374 AC_SUBST([AM_CPPFLAGS])
375 AC_SUBST([AM_CFLAGS])
376 AC_SUBST([AM_CXXFLAGS])
378 dnl We've collected the flags in AM_*FLAGS now, so blank these.
388 libmemcached/Makefile
389 libmemcached/memcached_configure.h
390 libmemcachedutil/Makefile
392 support/libmemcached.pc
393 support/libmemcached.spec
394 support/libmemcached-fc.spec
399 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
401 echo " * Installation prefix: $prefix"
402 echo " * System type: $host_vendor-$host_os"
403 echo " * Host CPU: $host_cpu"
404 echo " * C Compiler: $CC_VERSION"
405 echo " * Assertions enabled: $ac_cv_assert"
406 echo " * Debug enabled: $with_debug"
407 echo " * Warnings as failure: $building_from_bzr"