Artifact 8413d47c076c9057d778e138361caadccdb4c9edf128fd2ad23aec2c3a378d26:
- File
configure.ac
— part of check-in
[85269a004d]
at
2012-04-20 13:58:44
on branch trunk
— Remove -fno-objc-default-synthesize-properties.
It has already been removed from Clang. (user: js, size: 16931) [annotate] [blame] [check-ins using]
AC_INIT(ObjFW, 0.7-dev, js@webkeks.org) AC_CONFIG_SRCDIR(src) AS_IF([test x"$host" = x"psp"], [ OBJCFLAGS="-G0 $OBJCFLAGS" LIBS="$LIBS -lpspdebug -lpspdisplay -lpspge -lpspctrl -lpspsdk -lc" LIBS="$LIBS -lpspnet -lpspnet_inet -lpspnet_apctl -lpspnet_resolver" LIBS="$LIBS -lpsputility -lpspuser -lpspkernel" ]) AC_CANONICAL_HOST AC_LANG([Objective C]) AC_PROG_OBJC AC_PROG_OBJCPP AC_PROG_LN_S AC_PROG_INSTALL AC_PROG_EGREP CPP="$OBJCPP" CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS" OBJCFLAGS="$OBJCFLAGS -Wall -fexceptions -fobjc-exceptions" OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstantString" AX_CHECK_COMPILER_FLAGS(-std=gnu99, [OBJCFLAGS="$OBJCFLAGS -std=gnu99"]) case $OBJC in *clang*) ;; *) AX_CHECK_COMPILER_FLAGS([-fgnu89-inline -Werror], [OBJCFLAGS="$OBJCFLAGS -fgnu89-inline"]) ;; esac AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"]) AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"]) AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [ OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings" AC_SUBST(NO_CONST_CFSTRINGS, "-fno-constant-cfstrings") ]) AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32, [ old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32 -Werror" AC_TRY_COMPILE([ #import <objc/objc-api.h> ], [], [ OBJCFLAGS="$old_OBJCFLAGS -Wshorten-64-to-32" ], [ OBJCFLAGS="$old_OBJCFLAGS" ]) ]) AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body, [OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"]) AC_MSG_CHECKING(whether Objective C compiler supports fast enumeration) AC_TRY_COMPILE([ @protocol OFFastEnumeration - (int)countByEnumeratingWithState: (void*)state objects: (id*)objects count: (int)count; @end ], [ id n = (id)0; for (id i in n); ], [ AC_DEFINE(OF_HAVE_FAST_ENUMERATION, 1, [Compiler support for Fast Enumeration]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether Objective C compiler supports properties) AC_TRY_COMPILE([ @interface Foo { id bar; } @property (retain, nonatomic) id bar; @end ], [ Foo *foo = (id)0; [foo setBar: (id)0]; [foo bar]; ], [ AC_DEFINE(OF_HAVE_PROPERTIES, 1, [Compiler support for properties]) AC_SUBST(PROPERTIESTESTS_M, "PropertiesTests.m") AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether Objective C compiler supports optional protocols) AC_TRY_COMPILE([ @protocol Proto @optional + (void)foo; @end @interface Foo <Proto> @end @implementation Foo @end ], [ [Foo foo]; ], [ AC_DEFINE(OF_HAVE_OPTIONAL_PROTOCOLS, 1, [Compiler support for optional protocols]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether Objective C compiler supports blocks) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -fblocks" AC_TRY_COMPILE([], [ int (^foo)(int bar); foo = ^ (int bar) { return 0; } ], [ AC_DEFINE(OF_HAVE_BLOCKS, 1, [Compiler support for blocks]) AC_SUBST(BLOCKS_FLAGS, "-fblocks") AC_SUBST(OFBLOCKTESTS_M, "OFBlockTests.m") AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) OBJCFLAGS="$old_OBJCFLAGS" ]) AC_CHECK_HEADERS([objfw-rt.h objc/objc.h]) test x"$ac_cv_header_objfw_rt_h" = x"yes" && objc_runtime="ObjFW-RT" AC_MSG_CHECKING(which Objective C runtime we use) AS_IF([test x"$ac_cv_header_objc_objc_h" = x"yes"], [ dnl Only accept it if it's from gcc >= 4.7, as the one in 4.6 is buggy dnl when using the new API. AC_EGREP_CPP(yes, [ #import <objc/objc.h> #if defined(__GNU_LIBOBJC__) && __GNU_LIBOBJC__ >= 20110608 yes #endif ], [ test x"$objc_runtime" = x"" && objc_runtime="GNU" ], [ dnl TODO: This is ugly. Let's think of a better check. AC_EGREP_CPP(yes, [ #import <objc/objc.h> #ifdef __objc_INCLUDE_GNU yes #endif ], [ test x"$objc_runtime" = x"" && objc_runtime="old GNU" ], [ objc_runtime="Apple" ]) ]) ]) AC_MSG_RESULT($objc_runtime) case $objc_runtime in ObjFW-RT) AC_DEFINE(OF_OBJFW_RUNTIME, 1, [Whether we use the ObjFW runtime]) AC_SUBST(GNU_RUNTIME, "-fgnu-runtime") OBJCFLAGS="$OBJCFLAGS -fgnu-runtime" AC_CHECK_LIB(objfw-rt, objc_msg_lookup, [ LIBS="-lobjfw-rt $LIBS" ], [ AC_MSG_ERROR([libobjfw-rt not found!]) ]) ;; Apple) AC_DEFINE(OF_APPLE_RUNTIME, 1, [Whether we use the Apple ObjC runtime]) AC_CHECK_LIB(objc, objc_msgSend, [ LIBS="-lobjc $LIBS" ], [ AC_MSG_ERROR([libobjc not found!]) ]) ;; GNU) AC_DEFINE(OF_GNU_RUNTIME, 1, [Whether we use the GNU ObjC runtime]) AC_CHECK_LIB(objc, objc_msg_lookup, [ LIBS="-lobjc $LIBS" ], [ AC_MSG_ERROR([libobjc not found!]) ]) ;; "old GNU") AC_DEFINE(OF_OLD_GNU_RUNTIME, 1, [Whether we use the old GNU ObjC runtime]) AC_CHECK_LIB(objc, objc_msg_lookup, [ LIBS="-lobjc $LIBS" ], [ AC_MSG_ERROR([libobjc not found!]) ]) ;; *) AC_MSG_RESULT(none) AC_MSG_ERROR(No ObjC runtime found! Please install ObjFW-RT!) ;; esac AC_CHECK_FUNC(objc_getProperty,, [ AC_DEFINE(NEED_OBJC_PROPERTIES_INIT, 1, [Whether objc_properties_init needs to be called]) AC_SUBST(OBJC_PROPERTIES_M, "objc_properties.m") ]) AC_CHECK_FUNC(objc_enumerationMutation, [ AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1, [Whether we have objc_enumerationMutation]) ]) AC_CHECK_TOOL(AR, ar) AC_PROG_RANLIB AC_ARG_ENABLE(shared, AS_HELP_STRING([--disable-shared], [do not build shared library])) AS_IF([test x"$enable_shared" != x"no"], [ BUILDSYS_SHARED_LIB AC_SUBST(OBJFW_SHARED_LIB, "${LIB_PREFIX}objfw${LIB_SUFFIX}") AC_SUBST(EXCEPTIONS_LIB_A, "exceptions.lib.a") AC_SUBST(EXCEPTIONS_EXCEPTIONS_LIB_A, "exceptions/exceptions.lib.a") ]) AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [build static library])) AS_IF([test x"$enable_static" = x"yes" -o x"$enable_shared" = x"no"], [ AC_SUBST(OBJFW_STATIC_LIB, "libobjfw.a") AC_SUBST(EXCEPTIONS_A, "exceptions.a") AC_SUBST(EXCEPTIONS_EXCEPTIONS_A, "exceptions/exceptions.a") ]) AC_DEFINE_UNQUOTED(PLUGIN_SUFFIX, "$PLUGIN_SUFFIX", [Suffix for plugins]) AS_IF([test x"$PLUGIN_SUFFIX" != x""], [ AC_SUBST(OFPLUGIN_M, "OFPlugin.m") AC_SUBST(OFPLUGINTESTS_M, "OFPluginTests.m") AC_SUBST(TESTPLUGIN, "plugin") AC_DEFINE(OF_PLUGINS, 1, [Whether we have plugin support]) AC_SUBST(OFPLUGINS_DEF, "-DOF_PLUGINS") ]) case "$host_os" in darwin*) AC_SUBST(REEXPORT_LIBOBJC, ["-Wl,-reexport-lobjc"]) AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"]) AC_SUBST(MACH_ALIAS_LIST, ["-Xarch_x86_64 -Wl,-alias_list,mach_alias_list"]) ;; esac AC_C_BIGENDIAN([ AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian]) ]) AC_MSG_CHECKING(for SIZE_MAX) AC_EGREP_CPP(yes, [ #include <stdint.h> #include <limits.h> #ifdef SIZE_MAX yes #endif ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_CHECKING(for SIZE_T_MAX) AC_EGREP_CPP(yes, [ #include <stdint.h> #include <limits.h> #ifdef SIZE_T_MAX yes #endif ], [ AC_MSG_RESULT(yes) size_max="SIZE_T_MAX" ], [ AC_MSG_RESULT(no) size_max="(~(size_t)0)" ]) AC_DEFINE_UNQUOTED(SIZE_MAX, $size_max, [Maximum value for size_t]) ]) AC_CHECK_SIZEOF(float) AC_CHECK_SIZEOF(double) AS_IF([test x"$ac_cv_sizeof_float" != x"4" -o x"$ac_cv_sizeof_double" != x"8"], [AC_MSG_ERROR( [Floating point implementation does not conform to IEEE 754!])]) AC_MSG_CHECKING(for floating point endianess) fp_endianess="unknown" AC_TRY_COMPILE([ double endianess = 2.993700760838795055656993580068609688772747263874402942272934826871811872228512759832626847251963763755836687759498519784550143745834860002945223766052808125982053455555265216112722718870586961456110693379343178124592311441022662940307099598578775368547768968914916965731708568179631324904813506101190853720749196062963892799499230635163056742330563321122389331703618066046034494287335316842529021563862331183541255013987734473643350285400060357711238514186776429325214739886098119655678483017894951556639821088508565036657794343031121375178126860889964700274558728491825977274341798997758923017217660272136611938897932105874133412726223468780517578125e-259; ], [ ], [ AS_IF([$EGREP BigEnd conftest.$ac_objext >/dev/null], [ AC_DEFINE(OF_FLOAT_BIG_ENDIAN, 1, [Whether floats are big endian]) fp_endianess="big endian" ], [ AS_IF([$EGREP dnEgiB conftest.$ac_objext >/dev/null], [ fp_endianess="little endian" ]) ]) ]) AC_MSG_RESULT($fp_endianess) AS_IF([test x"$fp_endianess" = x"unknown"], [ AC_MSG_ERROR( [Floating point implementation does not conform to IEEE 754!])]) AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm") AC_MSG_CHECKING(for M_PI) AC_EGREP_CPP(yes, [ #include <math.h> #ifdef M_PI yes #endif ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_DEFINE(M_PI, 3.141592653589793238462643, [Precalculated Pi]) ]) AC_CHECK_FUNC(asprintf, [ case "$host" in *-psp-*) dnl asprintf is broken on the PSP, but snprintf works. have_asprintf="no" AC_SUBST(ASPRINTF_M, "asprintf.m") ac_cv_snprintf_useful_ret="yes" ;; *) have_asprintf="yes" AC_DEFINE(OF_HAVE_ASPRINTF, 1, [Whether we have asprintf]) AC_SUBST(ASPRINTF_DEF, "-DOF_HAVE_ASPRINTF") ;; esac ], [ have_asprintf="no" AC_SUBST(ASPRINTF_M, "asprintf.m") AC_MSG_CHECKING(whether snprintf returns something useful) AC_CACHE_VAL(ac_cv_snprintf_useful_ret, [ AC_TRY_RUN([ #include <stdio.h> int main() { return (snprintf(NULL, 0, "asd") == 3 ? 0 : 1); } ], [ ac_cv_snprintf_useful_ret="yes" ], [ ac_cv_snprintf_useful_ret="no" ], [ ac_cv_snprintf_useful_ret="no" ]) ]) AC_MSG_RESULT($ac_cv_snprintf_useful_ret) ]) test x"$have_asprintf" != x"yes" -a x"$ac_cv_snprintf_useful_ret" != x"yes" && \ AC_MSG_ERROR(No asprintf and no snprintf returning required space!) AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl") AC_ARG_ENABLE(threads, AS_HELP_STRING([--disable-threads], [disable thread support])) AS_IF([test x"$enable_threads" != x"no"], [ case "$host_os" in mingw*) AC_MSG_CHECKING(for threads) AC_MSG_RESULT(WinAPI) ;; *) ACX_PTHREAD([ CPPLAGS="$CPPFLAGS $PTHREAD_CFLAGS" LIBS="$LIBS $PTHREAD_LIBS" AC_DEFINE(OF_HAVE_PTHREADS, 1, [Whether we have pthreads]) AC_CHECK_FUNC(pthread_spin_lock, [ AC_DEFINE(OF_HAVE_PTHREAD_SPINLOCKS, 1, [Whether we have pthread spinlocks]) ]) AC_CHECK_FUNC(sched_yield, [ AC_DEFINE(OF_HAVE_SCHED_YIELD, 1, [Whether we have sched_yield]) ]) ], [ AC_MSG_ERROR(No supported threads found!) ]) ;; esac AC_DEFINE(OF_THREADS, 1, [Whether we have threads]) AC_SUBST(OFTHREAD_M, "OFThread.m") AC_SUBST(OFTHREADTESTS_M, "OFThreadTests.m") AC_SUBST(OFHTTPREQUESTTESTS_M, "OFHTTPRequestTests.m") AC_SUBST(THREADING_H, "threading.h") AC_CHECK_FUNC(objc_sync_enter,, [ AC_SUBST(OBJC_SYNC_M, "objc_sync.m") AC_DEFINE(NEED_OBJC_SYNC_INIT, 1, [Whether objc_sync_init needs to be called]) ]) atomic_ops="none" AC_MSG_CHECKING(whether we have an atomic ops assembly implementation) AC_EGREP_CPP(yes, [ #if defined(__GNUC__) && (defined(__i386__) || \ defined(__amd64__) || defined(__x86_64__)) yes #endif ], [ AC_MSG_RESULT(yes) atomic_ops="assembly implementation" ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether __sync_* works) AC_TRY_LINK([#include <stdint.h>], [ int32_t i, j; if (__sync_add_and_fetch(&i, 1)) j = __sync_sub_and_fetch(&i, 1); while (!__sync_bool_compare_and_swap(&i, 0, 1)); ], [ AC_MSG_RESULT(yes) test x"$atomic_ops" = x"none" && atomic_ops="gcc builtins" AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1, [Whether gcc atomic operations are available]) ], [ AC_MSG_RESULT(no) ]) AC_CHECK_HEADER(libkern/OSAtomic.h, [ test x"$atomic_ops" = x"none" && atomic_ops="libkern/OSAtomic.h" AC_DEFINE(OF_HAVE_OSATOMIC, 1, [Whether we have libkern/OSAtomic.h]) AC_CHECK_FUNC(OSAtomicAdd64Barrier, [ AC_DEFINE(OF_HAVE_OSATOMIC_64, 1, [Whether we have OSAtomic*64]) ]) ]) ], [ dnl We can only have one thread - therefore everything is atomic atomic_ops="not needed" ]) AC_MSG_CHECKING(for atomic operations) AS_IF([test x"$atomic_ops" != x"none"], [ AC_DEFINE(OF_ATOMIC_OPS, 1, [Whether we have atomic operations]) AC_SUBST(ATOMIC_H, "atomic.h") ]) AC_MSG_RESULT($atomic_ops) AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket") AC_CHECK_LIB(network, socket, LIBS="$LIBS -lnetwork") AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32") AC_CHECK_FUNC(gmtime_r, [ AC_DEFINE(HAVE_GMTIME_R, 1, [Whether we have gmtime_r]) ]) AC_CHECK_FUNC(localtime_r, [ AC_DEFINE(HAVE_LOCALTIME_R, 1, [Whether we have localtime_r]) ]) AC_CHECK_FUNC(kqueue, [ AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue]) AC_SUBST(OFSTREAMOBSERVER_KQUEUE_M, "OFStreamObserver_kqueue.m") ]) AC_CHECK_HEADER(poll.h, [ AC_DEFINE(HAVE_POLL_H, 1, [Whether we have poll.h]) AC_SUBST(OFSTREAMOBSERVER_POLL_M, "OFStreamObserver_poll.m") ]) AC_CHECK_HEADERS(sys/select.h, [ AC_DEFINE(OF_HAVE_SYS_SELECT_H, 1, [Whether we have sys/select.h]) AC_SUBST(OFSTREAMOBSERVER_SELECT_M, "OFStreamObserver_select.m") ]) case "$host_os" in mingw*) AC_SUBST(OFSTREAMOBSERVER_SELECT_M, "OFStreamObserver_select.m") ;; esac AC_MSG_CHECKING(for getaddrinfo) AC_TRY_COMPILE([ #include <stddef.h> #ifndef _WIN32 # include <sys/types.h> # include <sys/socket.h> # include <netdb.h> #else # define _WIN32_WINNT 0x0501 # include <windows.h> # include <ws2tcpip.h> #endif ], [ struct addrinfo ai; getaddrinfo(NULL, NULL, NULL, NULL); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo]) AS_IF([test x"$enable_threads" != x"no"], [ AC_MSG_CHECKING(whether getaddrinfo is thread-safe) case "$host_os" in darwin[[12345]].*) have_threadsafe_getaddrinfo="no" ;; darwin*) have_threadsafe_getaddrinfo="yes" ;; freebsd[[1234]].* | freebsd5.[[1234]]*) have_threadsafe_getaddrinfo="no" ;; freebsd*) have_threadsafe_getaddrinfo="yes" ;; netbsd[[123]].*) have_threadsafe_getaddrinfo="no" ;; netbsd*) have_threadsafe_getaddrinfo="yes" ;; solaris*) have_threadsafe_getaddrinfo="yes" ;; *) have_threadsafe_getaddrinfo="unknown" ;; esac AS_IF([test x"$have_threadsafe_getaddrinfo" = x"unknown"], [ AC_EGREP_CPP(yes, [ #ifndef _WIN32 # include <sys/types.h> # include <sys/socket.h> # include <netdb.h> #else # define _WIN32_WINNT 0x0501 # include <windows.h> # include <ws2tcpip.h> #endif #ifdef h_errno yes #end ], [ have_threadsafe_getaddrinfo="yes" ], [ have_threadsafe_getaddrinfo="no" ]) ]) AS_IF([test x"$have_threadsafe_getaddrinfo" = x"yes"], [ AC_DEFINE(HAVE_THREADSAFE_GETADDRINFO, 1, [Whether getaddrinfo is thread-safe]) ]) AC_MSG_RESULT($have_threadsafe_getaddrinfo) ]) ], [ AC_MSG_RESULT(no) ]) AS_IF([test x"$objc_runtime" = x"Apple"], [ AC_CHECK_HEADER(Foundation/NSObject.h, [ AC_SUBST(FOUNDATION_COMPAT_M, "foundation-compat.m") ]) ]) AS_IF([test x"$GOBJC" = x"yes"], [ OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith -Werror" AC_MSG_CHECKING(whether gcc has bug objc/27438) AC_TRY_COMPILE([ @interface OFConstantString { struct objc_class *isa; const char *string; unsigned long size; } @end void *_OFConstantStringClassReference; ], [ OFConstantString *test = @""; (void)test; /* Get rid of unused variable warning */ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT([yes, adding -Wno-unused-variable]) OBJCFLAGS="$OBJCFLAGS -Wno-unused-variable" AC_SUBST(NO_WARN_UNUSED, "-Wno-unused-variable") ]) AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to gcc bugs) AC_TRY_COMPILE([ @interface Foo { struct objc_class *isa; } @end static struct { struct objc_class *isa; } object; ], [ Foo *test = (Foo*)&object; (void)test; /* Get rid of unused variable warning */ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) OBJCFLAGS="$OBJCFLAGS -Wno-strict-aliasing" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wcast-align" AC_MSG_CHECKING(whether -Wcast-align is buggy) AC_TRY_COMPILE([ @interface Foo { struct objc_class *isa; } @end @implementation Foo - (void)foo { struct objc_class *c = isa; (void)c; } @end ], [ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) OBJCFLAGS="$old_OBJCFLAGS" ]) ]) AS_IF([test x"$cross_compiling" = x"yes"], [ AC_SUBST(BIN_PREFIX, "$host-") case "$host" in *-*-mingw*) AC_CHECK_PROG(WINE, wine, wine) AS_IF([test x"$WINE" != x""], [ AC_SUBST(TESTS, "tests") AC_SUBST(TEST_LAUNCHER, "$WINE") ]) ;; esac ], [ AC_SUBST(TESTS, "tests") ]) BUILDSYS_INIT BUILDSYS_TOUCH_DEPS dnl We don't call AC_PROG_CPP, but only AC_PROG_OBJCPP and set CPP to OBJCPP dnl and add OBJCPPFLAGS to CPPFLAGS, thus we need to AC_SUBST these ourself. AC_SUBST(CPP) AC_SUBST(CPPFLAGS) AC_CONFIG_FILES([buildsys.mk extra.mk utils/objfw-config Info.plist]) AC_CONFIG_HEADERS([config.h src/objfw-defs.h]) AC_OUTPUT