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} ${CFLAGS}"
146 AC_SEARCH_LIBS(getopt_long, gnugetopt)
147 AC_SEARCH_LIBS(socket, socket)
148 AC_SEARCH_LIBS(gethostbyname, nsl)
157 float f= floorf((float) 1.0);
159 [LIBM="-lm"],[LIBM=""])])
164 AC_SEARCH_LIBS(floorf, m)
177 dnl TODO: Remove this define once we are using 2.61 across the board.
180 # Check whether to enable assertions.
181 AC_DEFUN([AX_HEADER_ASSERT],
183 AC_MSG_CHECKING([whether to enable assertions])
184 AC_ARG_ENABLE([assert],
185 [AS_HELP_STRING([--disable-assert],
186 [Turn off assertions])],
188 [ac_cv_assert="yes"])
189 AC_MSG_RESULT([$ac_cv_assert])
195 [AS_HELP_STRING([--with-debug],
196 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
197 [with_debug=$withval],
199 if test "$with_debug" = "yes"
201 # Debugging. No optimization.
202 CFLAGS="${DEBUG_CFLAGS} -DDEBUG ${CFLAGS}"
203 CXXFLAGS="${DEBUG_CXXFLAGS} -DDEBUG ${CXXFLAGS}"
205 # Optimized version. No debug
206 CFLAGS="${OPTIMIZE_CFLAGS} ${CFLAGS}"
207 CXXFLAGS="${OPTIMIZE_CXXFLAGS} ${CXXFLAGS}"
210 AC_ARG_ENABLE([profiling],
211 [AS_HELP_STRING([--enable-profiling],
212 [Toggle profiling @<:@default=off@:>@])],
213 [ac_profiling="$enableval"],
216 AC_ARG_ENABLE([coverage],
217 [AS_HELP_STRING([--enable-coverage],
218 [Toggle coverage @<:@default=off@:>@])],
219 [ac_coverage="$enableval"],
222 if test "$GCC" = "yes"
225 AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option],
226 [ac_cv_safe_to_use_fdiagnostics_show_option_],
227 [save_CFLAGS="$CFLAGS"
228 CFLAGS="-fdiagnostics-show-option ${CFLAGS}"
230 [AC_LANG_PROGRAM([],[])],
231 [ac_cv_safe_to_use_fdiagnostics_show_option_=yes],
232 [ac_cv_safe_to_use_fdiagnostics_show_option_=no])
233 CFLAGS="$save_CFLAGS"])
235 AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"],
237 F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
240 AC_CACHE_CHECK([whether it is safe to use -Wconversion],
241 [ac_cv_safe_to_use_wconversion_],
242 [save_CFLAGS="$CFLAGS"
243 CFLAGS="-Werror -Wconversion ${CFLAGS}"
254 [ac_cv_safe_to_use_wconversion_=yes],
255 [ac_cv_safe_to_use_wconversion_=no])
256 CFLAGS="$save_CFLAGS"])
258 AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"],
259 [W_CONVERSION="-Wconversion"
260 AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons],
261 [ac_cv_safe_to_use_Wconversion_],
262 [save_CFLAGS="$CFLAGS"
263 CFLAGS="-Werror -Wconversion ${CFLAGS}"
267 #include <netinet/in.h>
269 uint16_t x= htons(80);
271 [ac_cv_safe_to_use_Wconversion_=yes],
272 [ac_cv_safe_to_use_Wconversion_=no])
273 CFLAGS="$save_CFLAGS"])
275 AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"],
277 NO_CONVERSION="-Wno-conversion"
281 AS_IF([test "$ac_profiling" = "yes"],
282 [CC_PROFILING="-pg"])
284 AS_IF([test "$ac_coverage" = "yes"],
285 [CC_COVERAGE="-fprofile-arcs -ftest-coverage"])
287 AS_IF([test "$building_from_bzr" = "yes"],
290 BASE_WARNINGS="-pedantic -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations -Wstrict-aliasing -Wformat=2 ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
291 CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
292 CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"
294 AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
295 [ac_cv_safe_to_use_Wlogical_op_],
296 [save_CFLAGS="$CFLAGS"
297 CFLAGS="-Wlogical-op"
304 [ac_cv_safe_to_use_Wlogical_op_=yes],
305 [ac_cv_safe_to_use_Wlogical_op_=no])
306 CFLAGS="$save_CFLAGS"])
307 AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
308 [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
310 AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++],
311 [ac_cv_safe_to_use_Wredundant_decls_],
313 save_CXXFLAGS="${CXXFLAGS}"
314 CXXFLAGS="${CXXFLAGS} ${W_FAIL} -Wredundant-decls"
317 template <typename E> struct C { void foo(); };
318 template <typename E> void C<E>::foo() { }
319 template <> void C<int>::foo();
320 AC_INCLUDES_DEFAULT])],
321 [ac_cv_safe_to_use_Wredundant_decls_=yes],
322 [ac_cv_safe_to_use_Wredundant_decls_=no])
323 CXXFLAGS="${save_CXXFLAGS}"
325 AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"],
326 [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"],
327 [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"])
329 NO_REDUNDANT_DECLS="-Wno-redundant-decls"
331 if test "$SUNCC" = "yes"
334 AS_IF([test "$ac_profiling" = "yes"],
335 [CC_PROFILING="-xinstrument=datarace"])
337 AS_IF([test "$building_from_bzr" = "yes"],
338 [W_FAIL="-errwarn=%all"])
340 AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable],
341 [ac_cv_paste_result],
343 save_CFLAGS="${CFLAGS}"
344 CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}"
350 [ac_cv_paste_result=yes],
351 [ac_cv_paste_result=no])
352 CFLAGS="${save_CFLAGS}"
354 AS_IF([test $ac_cv_paste_result = yes],
355 [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"])
358 CC_WARNINGS="-v -errtags=yes ${W_FAIL} -erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
359 CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${W_FAIL}"
362 AC_SUBST(NO_CONVERSION)
363 AC_SUBST(NO_REDUNDANT_DECLS)
365 AM_CPPFLAGS="-I\$(top_srcdir) -I\$(top_builddir) ${CPPFLAGS}"
366 AM_CFLAGS="${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE} ${CFLAGS}"
367 AM_CXXFLAGS="${CXX_WARNING} ${CC_PROFILING} ${CC_COVERAGE} ${CXXFLAGS}"
369 AC_SUBST([AM_CPPFLAGS])
370 AC_SUBST([AM_CFLAGS])
371 AC_SUBST([AM_CXXFLAGS])
373 dnl We've collected the flags in AM_*FLAGS now, so blank these.
383 libmemcached/Makefile
384 libmemcached/memcached_configure.h
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"