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"
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)
101 # Build optimized or debug version ?
102 # First check for gcc and g++
103 if test "$GCC" = "yes"
106 dnl Once we can use a modern autoconf, we can replace the std=gnu99 here
107 dnl with using AC_CC_STD_C99 above
108 CC="${CC} -std=gnu99"
110 CFLAGS="-ggdb3 ${CFLAGS}"
111 CXXFLAGS="-ggdb3 ${CXXFLAGS}"
116 OPTIMIZE_CFLAGS="-O3"
117 OPTIMIZE_CXXFLAGS="-O3"
119 if test "x$SUNCC" = "xyes"
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
125 CFLAGS="-g -mt ${CFLAGS}"
126 CXXFLAGS="-xlang=c99 -g -mt -compat=5 -library=stlport4 -template=no%extdef ${CXXFLAGS}"
128 OPTIMIZE_FLAGS="-xO4 -xlibmil -xdepend -xbuiltin"
129 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS} -Xa -xstrconst"
130 OPTIMIZE_CXXFLAGS="${OPTIMIZE_FLAGS}"
136 #--------------------------------------------------------------------
137 # Check for libpthread
138 #--------------------------------------------------------------------
140 ACX_PTHREAD(,AC_MSG_ERROR(could not find libpthread))
141 LIBS="${PTHREAD_LIBS} ${LIBS}"
142 CFLAGS="${PTHREAD_CFLAGS} ${CFLAGS}"
146 AC_SEARCH_LIBS(getopt_long, gnugetopt)
147 AC_SEARCH_LIBS(socket, socket)
148 AC_SEARCH_LIBS(gethostbyname, nsl)
157 float f= floorf((float) 1.0);
159 [LIBM="-lm"],[LIBM=""])])
164 AC_SEARCH_LIBS(floorf, m)
176 dnl TODO: Remove this define once we are using 2.61 across the board.
179 # Check whether to enable assertions.
180 AC_DEFUN([AX_HEADER_ASSERT],
182 AC_MSG_CHECKING([whether to enable assertions])
183 AC_ARG_ENABLE([assert],
184 [AS_HELP_STRING([--disable-assert],
185 [Turn off assertions])],
187 [ac_cv_assert="yes"])
188 AC_MSG_RESULT([$ac_cv_assert])
194 [AS_HELP_STRING([--with-debug],
195 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
196 [with_debug=$withval],
198 if test "$with_debug" = "yes"
200 # Debugging. No optimization.
201 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
202 CXXFLAGS="${DEBUG_CXXFLAGS} -DDEBUG ${CXXFLAGS}"
204 # Optimized version. No debug
205 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
206 CXXFLAGS="${OPTIMIZE_CXXFLAGS} ${CXXFLAGS}"
209 AC_ARG_ENABLE([profiling],
210 [AS_HELP_STRING([--enable-profiling],
211 [Toggle profiling @<:@default=off@:>@])],
212 [ac_profiling="$enableval"],
215 AC_ARG_ENABLE([coverage],
216 [AS_HELP_STRING([--enable-coverage],
217 [Toggle coverage @<:@default=off@:>@])],
218 [ac_coverage="$enableval"],
221 if test "$GCC" = "yes"
224 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
225 [ac_cv_safe_to_use_fdiagnostics_show_option_],
226 [save_CFLAGS="$CFLAGS"
227 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
229 [AC_LANG_PROGRAM([],[])],
230 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
231 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
232 CFLAGS="$save_CFLAGS"])
234 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
236 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
239 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
240 [ac_cv_safe_to_use_wconversion_],
241 [save_CFLAGS="$CFLAGS"
242 CFLAGS="-Werror -Wconversion ${CFLAGS}"
253 [ac_cv_safe_to_use_wconversion_=yes],
254 [ac_cv_safe_to_use_wconversion_=no])
255 CFLAGS="$save_CFLAGS"])
257 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
258 [W_CONVERSION="-Wconversion"
259 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
260 [ac_cv_safe_to_use_Wconversion_],
261 [save_CFLAGS="$CFLAGS"
262 CFLAGS="-Werror -Wconversion ${CFLAGS}"
266 #include <netinet/in.h>
268 uint16_t x= htons(80);
270 [ac_cv_safe_to_use_Wconversion_=yes],
271 [ac_cv_safe_to_use_Wconversion_=no])
272 CFLAGS="$save_CFLAGS"])
274 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
276 NO_CONVERSION="-Wno-conversion"
280 W_STRICT_ALIASING="-Wno-strict-aliasing"
282 AS_IF([test "$ac_profiling" = "yes"],
283 [CC_PROFILING="-pg"])
285 AS_IF([test "$ac_coverage" = "yes"],
286 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
288 AS_IF([test "$building_from_bzr" = "yes"],
291 BASE_WARNINGS="-pedantic -W -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations ${W_STRICT_ALIASING} ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
292 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
293 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
295 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
296 [ac_cv_safe_to_use_Wlogical_op_],
297 [save_CFLAGS="$CFLAGS"
298 CFLAGS="-Wlogical-op"
305 [ac_cv_safe_to_use_Wlogical_op_=yes],
306 [ac_cv_safe_to_use_Wlogical_op_=no])
307 CFLAGS="$save_CFLAGS"])
308 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
309 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
311 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
312 [ac_cv_safe_to_use_Wredundant_decls_],
314 save_CXXFLAGS="${CXXFLAGS}"
315 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
318 template <typename E> struct C { void foo(); };
319 template <typename E> void C<E>::foo() { }
320 template <> void C<int>::foo();
321 AC_INCLUDES_DEFAULT])],
322 [ac_cv_safe_to_use_Wredundant_decls_=yes],
323 [ac_cv_safe_to_use_Wredundant_decls_=no])
324 CXXFLAGS="${save_CXXFLAGS}"
326 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
327 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
328 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
330 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
332 if test "$SUNCC" = "yes"
335 AS_IF([test "$ac_profiling" = "yes"],
336 [CC_PROFILING="-xinstrument=datarace"])
338 AS_IF([test "$building_from_bzr" = "yes"],
339 [W_FAIL="-errwarn=%all"])
341 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
342 [ac_cv_paste_result],
344 save_CFLAGS="${CFLAGS}"
345 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
351 [ac_cv_paste_result=yes],
352 [ac_cv_paste_result=no])
353 CFLAGS="${save_CFLAGS}"
355 AS_IF([test $ac_cv_paste_result = yes],
356 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
359 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
360 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
363 AC_SUBST(NO_CONVERSION)
364 AC_SUBST(NO_REDUNDANT_DECLS)
366 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
367 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
368 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
370 AC_SUBST([AM_CPPFLAGS])
371 AC_SUBST([AM_CFLAGS])
372 AC_SUBST([AM_CXXFLAGS])
374 dnl We've collected the flags in AM_*FLAGS now, so blank these.
384 libmemcached/Makefile
385 libmemcachedutil/Makefile
387 support/libmemcached.pc
388 support/libmemcached.spec
389 support/libmemcached-fc.spec
394 echo "Configuration summary for $PACKAGE_NAME version $VERSION"
396 echo " * Installation prefix: $prefix"
397 echo " * System type: $host_vendor-$host_os"
398 echo " * Host CPU: $host_cpu"
399 echo " * C Compiler: $CC_VERSION"
400 echo " * Assertions enabled: $ac_cv_assert"
401 echo " * Debug enabled: $with_debug"
402 echo " * Warnings as failure: $building_from_bzr"