Artifact 9383b47e7804028bf83e438ed63b26fef796c95942e8518a248ccb1eede48f0a:
- File
configure.ac
— part of check-in
[1807f33207]
at
2015-05-16 19:05:58
on branch trunk
— configure: We still need -D_GNU_SOURCE
Using just -std=gnu* is not enough. (user: js, size: 28974) [annotate] [blame] [check-ins using]
AC_INIT(ObjFW, 0.8-dev, js@webkeks.org) BUILDSYS_INIT AS_IF([test configure.ac -nt configure], [ AC_MSG_ERROR([configure.ac is newer than configure! Run ./autogen.sh!]) ]) AC_CONFIG_SRCDIR(src) AC_CANONICAL_HOST case "$host" in *-msdosdjgpp*) enable_shared="no" enable_threads="no" enable_sockets="no" ;; *-psp-*) AS_IF([test x"$DEVKITPSP" = x""], [ AC_MSG_ERROR( [DEVKITPSP is not set! Please set DEVKITPSP.]) ]) OBJCFLAGS="$OBJCFLAGS -G0" CPPFLAGS="$CPPFLAGS -I$DEVKITPSP/psp/sdk/include" LDFLAGS="$LDFLAGS -G0" LIBS="$LIBS -L$DEVKITPSP/psp/sdk/lib -lpspdebug -lpspdisplay" LIBS="$LIBS -lpspge -lpspctrl -lpspsdk -lc -lpspnet" LIBS="$LIBS -lpspnet_inet -lpspnet_apctl -lpspnet_resolver" LIBS="$LIBS -lpsputility -lpspuser -lpspkernel" enable_shared="no" enable_threads="no" # TODO enable_sockets="no" # TODO AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map']) ;; esac AC_LANG([Objective C]) AC_PROG_OBJC([clang gcc]) AC_PROG_OBJCPP AC_PROG_LN_S AC_PROG_INSTALL AC_PROG_EGREP AC_ARG_WITH(wii, AS_HELP_STRING([--with-wii], [build for Wii])) AS_IF([test x"$with_wii" = x"yes"], [ AS_IF([test x"$DEVKITPRO" = x""], [ AC_MSG_ERROR([DEVKITPRO is not set! Please set DEVKITPRO.]) ]) OBJCFLAGS="$OBJCFLAGS -mrvl -mcpu=750 -meabi -mhard-float" CPPFLAGS="$CPPFLAGS -DGEKKO -I$DEVKITPRO/libogc/include" LDFLAGS="$LDFLAGS -mrvl -mcpu=750 -meabi -mhard-float" LIBS="$LIBS -L$DEVKITPRO/libogc/lib/wii -lfat -logc" TESTS_LIBS="$TESTS_LIBS -lwiiuse -lbte" enable_shared="no" enable_threads="no" # TODO AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map']) ]) AC_ARG_WITH(nds, AS_HELP_STRING([--with-nds], [build for Nintendo DS])) AS_IF([test x"$with_nds" = x"yes"], [ AS_IF([test x"$DEVKITPRO" = x""], [ AC_MSG_ERROR([DEVKITPRO is not set! Please set DEVKITPRO.]) ]) OBJCFLAGS="$OBJCFLAGS -march=armv5te -mtune=arm946e-s" OBJCFLAGS="$OBJCFLAGS -mthumb -mthumb-interwork" CPPFLAGS="$CPPFLAGS -DARM9 -I$DEVKITPRO/libnds/include" LDFLAGS="$LDFLAGS -specs=ds_arm9.specs" LIBS="$LIBS -L$DEVKITPRO/libnds/lib -lfilesystem -lfat -lnds9" enable_shared="no" enable_threads="no" # TODO enable_sockets="no" # TODO AC_DEFINE(OF_NINTENDO_DS, 1, [Whether we are compiling for the Nintendo DS]) AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map']) ]) CPP="$OBJCPP" CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS" OBJCFLAGS="$OBJCFLAGS -Wall -fexceptions -fobjc-exceptions -funwind-tables" OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstantString" AX_CHECK_COMPILER_FLAGS(-std=gnu11, [ OBJCFLAGS="$OBJCFLAGS -std=gnu11" ], [ AX_CHECK_COMPILER_FLAGS(-std=gnu1x, [ OBJCFLAGS="$OBJCFLAGS -std=gnu1x" ], [ AX_CHECK_COMPILER_FLAGS(-std=gnu99, [OBJCFLAGS="$OBJCFLAGS -std=gnu99"]) ]) ]) 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="$OBJCFLAGS -fno-constant-cfstrings" AC_SUBST(NO_CONST_CFSTRINGS, "-fno-constant-cfstrings") ]) AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32 -Werror, [OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"]) AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body -Werror, [OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"]) AX_CHECK_COMPILER_FLAGS(-Wobjc-property-synthesis -Werror, [OBJCFLAGS="$OBJCFLAGS -Wobjc-property-synthesis"]) 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_SUBST(PROPERTIESTESTS_M, "PropertiesTests.m") 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_SUBST(BLOCKS_FLAGS, "-fblocks") AC_SUBST(OFBLOCKTESTS_M, "OFBlockTests.m") AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) OBJCFLAGS="$old_OBJCFLAGS" ]) AC_CHECK_TOOL(AR, ar) AC_PROG_RANLIB AC_ARG_ENABLE(shared, AS_HELP_STRING([--disable-shared], [do not build shared library])) AS_IF([test x"$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_SUBST(FORWARDING_LIB_A, "forwarding.lib.a") AC_SUBST(FORWARDING_FORWARDING_LIB_A, "forwarding/forwarding.lib.a") AC_SUBST(LOOKUP_ASM_LIB_A, "lookup-asm.lib.a") AC_SUBST(LOOKUP_ASM_LOOKUP_ASM_LIB_A, "lookup-asm/lookup-asm.lib.a") ], [ AC_SUBST(LIBOBJFW_DEP, "../src/libobjfw.a") AC_SUBST(LIBOBJFW_DEP_LVL2, "../../src/libobjfw.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_SUBST(FORWARDING_A, "forwarding.a") AC_SUBST(FORWARDING_FORWARDING_A, "forwarding/forwarding.a") AC_SUBST(LOOKUP_ASM_A, "lookup-asm.a") AC_SUBST(LOOKUP_ASM_LOOKUP_ASM_A, "lookup-asm/lookup-asm.a") ]) AC_DEFINE_UNQUOTED(PLUGIN_SUFFIX, "$PLUGIN_SUFFIX", [Suffix for plugins]) AS_IF([test x"$PLUGIN_SUFFIX" != x""], [ AC_SUBST(USE_SRCS_PLUGINS, '${SRCS_PLUGINS}') AC_SUBST(TESTPLUGIN, "plugin") AC_DEFINE(OF_HAVE_PLUGINS, 1, [Whether we have plugin support]) ]) AC_MSG_CHECKING(whether we need -D_GNU_SOURCE) AC_EGREP_CPP(yes, [ #include <stdlib.h> #if defined(__GLIBC__) || defined(__MINGW32__) yes #endif ], [ CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS" AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) case "$host_os" in solaris*) CPPFLAGS="-D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS $CPPFLAGS" ;; esac objc_runtime="ObjFW runtime" AC_CHECK_HEADER(objc/objc.h) AC_MSG_CHECKING(which Objective C runtime to use) AC_ARG_ENABLE(runtime, AS_HELP_STRING([--enable-runtime], [use the included runtime])) AC_ARG_ENABLE(seluid24, AS_HELP_STRING([--enable-seluid24], [use 24 bit instead of 16 bit for selectors UIDs])) AS_IF([test x"$enable_runtime" != x"yes"], [ AS_IF([test x"$ac_cv_header_objc_objc_h" = x"yes"], [ AC_EGREP_CPP(yes, [ #import <objc/objc.h> #ifdef OBJC_BOOL_DEFINED yes #endif ], [ objc_runtime="Apple runtime" ], [ dnl We don't want the GNU runtime : ]) ]) ]) AC_MSG_RESULT($objc_runtime) case "$objc_runtime" in "ObjFW runtime") AC_DEFINE(OF_OBJFW_RUNTIME, 1, [Whether we use the ObjFW runtime]) AC_MSG_CHECKING([whether -fobjc-runtime=objfw is supported]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -fobjc-runtime=objfw" AC_TRY_LINK([ @interface Test + (void)test; @end @implementation Test + (void)test { } @end void* objc_msg_lookup(void *obj, void *sel) { return (void*)0; } void __objc_exec_class(void *module) { } ], [ [Test test]; ], [ RUNTIME_FLAGS="-fobjc-runtime=objfw" AC_MSG_RESULT(yes) ], [ RUNTIME_FLAGS="-fgnu-runtime" OBJCFLAGS="$old_OBJCFLAGS -fgnu-runtime" AC_MSG_RESULT(no) old_compiler="yes" ]) AC_SUBST(RUNTIME, "runtime") AC_SUBST(RUNTIME_FLAGS) if test x"$enable_shared" != x"no"; then AC_SUBST(RUNTIME_LIB_A, "runtime.lib.a") AC_SUBST(RUNTIME_RUNTIME_LIB_A, "runtime/runtime.lib.a") fi if test x"$enable_static" = x"yes" \ -o x"$enable_shared" = x"no"; then AC_SUBST(RUNTIME_A, "runtime.a") AC_SUBST(RUNTIME_RUNTIME_A, "runtime/runtime.a") fi AS_IF([test x"$enable_seluid24" = x"yes"], [ AC_DEFINE(OF_SELUID24, 1, [Whether to use 24 bit selector UIDs]) ]) AC_MSG_CHECKING(for exception type) AC_TRY_COMPILE([ extern void foo(); ], [ @try { foo(); } @finally { foo(); } ], [ AS_IF([$EGREP __gnu_objc_personality_v0 \ conftest.$ac_objext >/dev/null], [ exception_type="DWARF" ]) AS_IF([$EGREP __gnu_objc_personality_sj0 \ conftest.$ac_objext >/dev/null], [ exception_type="SjLj" ]) AS_IF([$EGREP __gnu_objc_personality_seh0 \ conftest.$ac_objext >/dev/null], [ exception_type="SEH" ]) case "$exception_type" in DWARF) AC_DEFINE(HAVE_DWARF_EXCEPTIONS, 1, [Whether DWARF exceptions are used]) ;; SjLj) AC_DEFINE(HAVE_SJLJ_EXCEPTIONS, 1, [Whether SjLj exceptions are used]) ;; SEH) AC_DEFINE(HAVE_SEH_EXCEPTIONS, 1, [Whether SEH exceptions are used]) ;; *) AC_MSG_RESULT(unknown) AC_MSG_ERROR([Exception type not detected!]) ;; esac AC_MSG_RESULT($exception_type) ], [ AC_MSG_RESULT(exceptions unavailable!) AC_MSG_ERROR([Exceptions not accepted by compiler!]) ]) ;; "Apple runtime") AC_DEFINE(OF_APPLE_RUNTIME, 1, [Whether we use the Apple ObjC runtime]) AC_CHECK_LIB(objc, objc_msgSend, [ LIBS="-lobjc $LIBS" ], [ AC_MSG_ERROR([libobjc not found!]) ]) ;; esac AC_CHECK_FUNC(objc_constructInstance, [], [ AC_SUBST(INSTANCE_M, "instance.m") ]) AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [ AC_SUBST(AUTORELEASE_M, "autorelease.m") ]) AC_CHECK_FUNC(objc_enumerationMutation, [ AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1, [Whether we have objc_enumerationMutation()]) ]) case "$host_os" in darwin*) AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"]) AS_IF([test x"$objc_runtime" = x"Apple runtime"], [ AC_SUBST(REEXPORT_LIBOBJC, ["-Wl,-reexport-lobjc"]) ]) ;; esac AC_C_BIGENDIAN([ AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian]) ]) AS_IF([test x"$ac_cv_c_bigendian" = x"universal"], [ AC_DEFINE(OF_UNIVERSAL, 1, [Whether we are building a universal binary]) ]) 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, $size_max, [Maximum value for size_t]) ]) AC_MSG_CHECKING(for SSIZE_MAX) AC_EGREP_CPP(yes, [ #include <stdint.h> #include <limits.h> #ifdef SSIZE_MAX yes #endif ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_DEFINE(SSIZE_MAX, [((ssize_t)(SIZE_MAX / 2))], [Maximum value for ssize_t]) ]) AC_CHECK_TYPE(max_align_t, [AC_DEFINE(OF_HAVE_MAX_ALIGN_T, 1, [Whether we have max_align_t])]) AC_CHECK_HEADER(stdnoreturn.h, [AC_DEFINE(OF_HAVE_STDNORETURN_H, 1, [Whether we have stdnoreturn.h])]) AC_CHECK_SIZEOF(float) AC_CHECK_SIZEOF(double) AS_IF([test x"$ac_cv_sizeof_float" != x"4" -o x"$ac_cv_sizeof_double" != x"8"], [AC_MSG_ERROR( [Floating point implementation does not conform to IEEE 754!])]) AC_MSG_CHECKING(for floating point endianess) fp_endianess="unknown" AS_IF([test x"$ac_cv_c_bigendian" != x"universal"], [ 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" ]) ]) ]) ], [ fp_endianess="universal" ]) 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!])]) case "$host" in arm*) AC_MSG_CHECKING(if VFP2 or above is available) AC_TRY_COMPILE([], [ __asm__("fstmfdd sp!, {d0-d7}"); ], [ AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) ;; esac AC_CHECK_FUNCS(strerror_r) AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm") AC_CHECK_FUNC(asprintf, [ case "$host" in *-psp-*) dnl asprintf is broken on the PSP, but snprintf works. have_asprintf="no" ac_cv_snprintf_useful_ret="yes" ;; *) have_asprintf="yes" AC_DEFINE(HAVE_ASPRINTF, 1, [Whether we have asprintf()]) ;; esac ], [ have_asprintf="no" AC_MSG_CHECKING(whether snprintf returns something useful) AC_CACHE_VAL(ac_cv_snprintf_useful_ret, [ AC_TRY_RUN([ #include <stdio.h> int main() { return (snprintf(NULL, 0, "asd") == 3 ? 0 : 1); } ], [ ac_cv_snprintf_useful_ret="yes" ], [ ac_cv_snprintf_useful_ret="no" ], [ ac_cv_snprintf_useful_ret="no" ]) ]) AC_MSG_RESULT($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_FUNCS([arc4random random], break) AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl") AC_CHECK_HEADERS(dlfcn.h) case "$host_os" in netbsd*) dnl dladdr exists on NetBSD, but it is completely broken. dnl When using it with code that uses __thread, it freezes the dnl process so that it has to be killed using SIGKILL. dnl When disabling __thread, it doesn't freeze, but all symbols dnl are wrong. ;; *) AC_CHECK_FUNCS(dladdr) ;; esac AC_ARG_ENABLE(threads, AS_HELP_STRING([--disable-threads], [disable thread support])) AS_IF([test x"$enable_threads" != x"no"], [ AC_MSG_CHECKING(for threads) case "$host_os" in mingw*) AC_MSG_RESULT(WinAPI) ;; *) AC_MSG_RESULT(POSIX) AX_CHECK_COMPILER_FLAGS(-pthread, [ CPPFLAGS="$CPPFLAGS -pthread" ], [ CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE" ]) LIBS="$LIBS -lpthread" AC_TRY_LINK([ #include <pthread.h> ], [ pthread_create(NULL, NULL, NULL, NULL); ], [], [ AC_MSG_ERROR(No supported threads found!) ]) AC_DEFINE(OF_HAVE_PTHREADS, 1, [Whether we have pthreads]) AC_TRY_COMPILE([ #include <pthread.h> ], [ pthread_mutexattr_t attr; pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); ], [ AC_DEFINE(OF_HAVE_RECURSIVE_PTHREAD_MUTEXES, 1, [If pthread mutexes can be recursive]) ]) AC_CHECK_FUNC(pthread_spin_lock, [ have_spinlocks="yes" AC_DEFINE(OF_HAVE_PTHREAD_SPINLOCKS, 1, [Whether we have pthread spinlocks]) ]) AC_CHECK_FUNC(sched_yield, [ AC_DEFINE(OF_HAVE_SCHED_YIELD, 1, [Whether we have sched_yield()]) ]) AC_CHECK_HEADERS(pthread_np.h, [], [], [#include <pthread.h>]) AC_CHECK_FUNCS(pthread_set_name_np pthread_setname_np, break) ;; esac AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads]) AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}') AC_ARG_ENABLE(compiler-tls, AS_HELP_STRING([--disable-compiler-tls], [disable compiler thread local storage])) AS_IF([test x"$enable_compiler_tls" != x"no"], [ AC_CHECK_HEADERS(threads.h, [ AC_DEFINE(OF_HAVE_THREADS_H, 1, [Whether we have threads.h]) ]) AC_MSG_CHECKING(whether _Thread_local works) AC_TRY_LINK([ static _Thread_local int x = 0; ], [ x++; ], [ AS_IF([test x"$enable_shared" != x"no"], [ old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -fPIC" AC_TRY_COMPILE([ static _Thread_local int x = 0; ], [ x++; ], [ AC_MSG_RESULT(yes) AC_DEFINE(OF_HAVE__THREAD_LOCAL, 1, [Whether _Thread_local works]) ], [ AC_MSG_RESULT(no) ]) OBJCFLAGS="$old_OBJCFLAGS" ], [ AC_MSG_RESULT(yes) AC_DEFINE(OF_HAVE__THREAD_LOCAL, 1, [Whether _Thread_local works]) ]) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether __thread works) AC_TRY_LINK([ /* It seems __thread is buggy with GCC 4.1 */ #if __GNUC__ == 4 && __GNUC_MINOR__ < 2 # error buggy #endif __thread int x = 0; ], [ x++; ], [ AS_IF([test x"$enable_shared" != x"no"], [ old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -fPIC" AC_TRY_COMPILE([ __thread int x = 0; ], [ x++; ], [ AC_MSG_RESULT(yes) AC_DEFINE(OF_HAVE___THREAD, 1, [Whether __thread works]) ], [ AC_MSG_RESULT(no) ]) OBJCFLAGS="$old_OBJCFLAGS" ], [ AC_MSG_RESULT(yes) AC_DEFINE(OF_HAVE___THREAD, 1, [Whether __thread works]) ]) ], [ AC_MSG_RESULT(no) ]) ]) atomic_ops="none" AC_MSG_CHECKING(whether __sync_* works) AC_TRY_LINK([#include <stdint.h>], [ int32_t i, j; if (__sync_add_and_fetch(&i, 1)) j = __sync_sub_and_fetch(&i, 1); while (!__sync_bool_compare_and_swap(&i, 0, 1)); ], [ AC_MSG_RESULT(yes) atomic_ops="GCC builtins" AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1, [Whether GCC atomic operations are available]) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether we have an atomic ops assembly implementation) AC_EGREP_CPP(yes, [ #if defined(__GNUC__) && (defined(__i386__) || \ defined(__x86_64__) || defined(__amd64__)) || \ defined(__ppc__) yes #endif ], [ AC_MSG_RESULT(yes) test x"$atomic_ops" = x"none" && \ atomic_ops="assembly implementation" ], [ AC_MSG_RESULT(no) ]) AC_CHECK_HEADER(libkern/OSAtomic.h, [ test x"$atomic_ops" = x"none" && atomic_ops="libkern/OSAtomic.h" AC_DEFINE(OF_HAVE_OSATOMIC, 1, [Whether we have libkern/OSAtomic.h]) ]) ], [ dnl We can only have one thread - therefore everything is atomic atomic_ops="not needed" ]) AC_MSG_CHECKING(for atomic operations) AS_IF([test x"$atomic_ops" != x"none"], [ AC_DEFINE(OF_HAVE_ATOMIC_OPS, 1, [Whether we have atomic operations]) AC_SUBST(ATOMIC_H, "atomic.h") ]) AC_MSG_RESULT($atomic_ops) AC_ARG_ENABLE(files, AS_HELP_STRING([--disable-files], [disable file support])) AS_IF([test x"$enable_files" != x"no"], [ AC_DEFINE(OF_HAVE_FILES, 1, [Whether we have files]) AC_SUBST(USE_SRCS_FILES, '${SRCS_FILES}') AC_SUBST(OFHASH, "ofhash") AC_SUBST(OFZIP, "ofzip") AC_CHECK_TYPE(off64_t, [ AC_DEFINE(OF_HAVE_OFF64_T, 1, [Whether we have off64_t]) ]) AC_CHECK_HEADERS([pwd.h grp.h]) AC_CHECK_FUNC(chmod, [ AC_DEFINE(OF_HAVE_CHMOD, 1, [Whether we have chmod()]) ]) AC_CHECK_FUNC(chown, [ AC_DEFINE(OF_HAVE_CHOWN, 1, [Whether we have chown()]) ]) AC_CHECK_FUNC(link, [ AC_DEFINE(OF_HAVE_LINK, 1, [Whether we have link()]) ]) AC_CHECK_FUNC(symlink, [ AC_DEFINE(OF_HAVE_SYMLINK, 1, [Whether we have symlink()]) ]) AC_CHECK_FUNCS([lstat readdir_r]) ]) AC_CHECK_FUNCS([sysconf gmtime_r localtime_r nanosleep fcntl]) AC_CHECK_FUNC(pipe, [ AC_DEFINE(OF_HAVE_PIPE, 1, [Whether we have pipe()]) ]) AC_ARG_ENABLE(sockets, AS_HELP_STRING([--disable-sockets], [disable socket support])) AS_IF([test x"$enable_sockets" != x"no"], [ AC_DEFINE(OF_HAVE_SOCKETS, 1, [Whether we have sockets]) AC_SUBST(USE_SRCS_SOCKETS, '${SRCS_SOCKETS}') AS_IF([test x"$enable_files" != x"no"], [ AC_SUBST(OFHTTP, "ofhttp") ]) AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket") AC_CHECK_LIB(network, socket, LIBS="$LIBS -lnetwork") AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32") AC_CHECK_HEADER(sys/socket.h, [ AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1, [Whether we have sys/socket.h]) ]) AC_CHECK_HEADERS(netinet/in.h, [ AC_DEFINE(OF_HAVE_NETINET_IN_H, 1, [Whether we have netinet/in.h]) ]) AC_CHECK_HEADERS(netinet/tcp.h, [ AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1, [Whether we have netinet/tcp.h]) ]) AC_CHECK_HEADERS([arpa/inet.h netdb.h]) AC_CHECK_FUNCS([paccept accept4]) AC_CHECK_FUNC(kqueue, [ AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue]) AC_SUBST(OFKERNELEVENTOBSERVER_KQUEUE_M, "OFKernelEventObserver_kqueue.m") AC_CHECK_FUNCS(kqueue1) ]) AC_CHECK_FUNC(epoll_create, [ AC_DEFINE(HAVE_EPOLL, 1, [Whether we have epoll]) AC_SUBST(OFKERNELEVENTOBSERVER_EPOLL_M, "OFKernelEventObserver_epoll.m") AC_CHECK_FUNCS(epoll_create1) ]) AC_CHECK_HEADER(poll.h, [ AC_DEFINE(HAVE_POLL_H, 1, [Whether we have poll.h]) AC_SUBST(OFKERNELEVENTOBSERVER_POLL_M, "OFKernelEventObserver_poll.m") ]) AC_CHECK_HEADER(sys/select.h, [ AC_DEFINE(HAVE_SYS_SELECT_H, 1, [Whether we have sys/select.h]) AC_SUBST(OFKERNELEVENTOBSERVER_SELECT_M, "OFKernelEventObserver_select.m") ]) case "$host_os" in mingw*) AC_SUBST(OFKERNELEVENTOBSERVER_SELECT_M, "OFKernelEventObserver_select.m") ;; esac AS_IF([test x"$with_wii" = x"yes"], [ AC_SUBST(OFKERNELEVENTOBSERVER_POLL_M, "OFKernelEventObserver_poll.m") ]) AC_MSG_CHECKING(for getaddrinfo) AC_TRY_COMPILE([ #include <stddef.h> #ifndef _WIN32 # include <sys/types.h> # include <sys/socket.h> # include <netdb.h> #else typedef unsigned char BOOL; # include <ws2tcpip.h> #endif ], [ struct addrinfo ai; getaddrinfo(NULL, NULL, NULL, NULL); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo()]) AS_IF([test x"$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"$enable_sockets" != x"no" -a x"$enable_threads" != x"no"], [ AC_SUBST(OFHTTPCLIENTTESTS_M, "OFHTTPClientTests.m") ]) AC_DEFUN([CHECK_BUILTIN_BSWAP], [ AC_MSG_CHECKING(for __builtin_bswap$1) AC_TRY_LINK([ #include <stdint.h> #include <stdio.h> #include <inttypes.h> #include <errno.h> ], [ uint$1_t i = errno; printf("%" PRIu$1, __builtin_bswap$1(i)); ], [ AC_MSG_RESULT(yes) AC_DEFINE(OF_HAVE_BUILTIN_BSWAP$1, 1, [Whether we have __builtin_bswap$1]) ], [ AC_MSG_RESULT(no) ]) ]) CHECK_BUILTIN_BSWAP(16) CHECK_BUILTIN_BSWAP(32) CHECK_BUILTIN_BSWAP(64) case "$host" in arm*-apple-darwin*) have_processes="no" ;; *-*-mingw*) have_processes="yes" ;; *-*-msdosdjgpp*) have_processes="no" ;; *) AC_CHECK_FUNCS([fork dup2 execvp kill _exit], [ AS_IF([test x"$ac_cv_func_fork" = x"yes" \ -a x"$ac_cv_func_pipe" = x"yes" \ -a x"$ac_cv_func_dup2" = x"yes" \ -a x"$ac_cv_func_execvp" = x"yes" \ -a x"$ac_cv_func_kill" = x"yes" \ -a x"$ac_cv_func__exit" = x"yes"], [ have_processes="yes" ]) ], [ break ]) AC_CHECK_FUNCS(posix_spawnp) AS_IF([test x"$ac_cv_func_posix_spawnp" = x"yes" \ -a x"$ac_cv_func_kill" = x"yes"], [ have_processes="yes" AC_CHECK_HEADERS(spawn.h) ]) ;; esac AS_IF([test x"$have_processes" = x"yes"], [ AC_SUBST(OFPROCESS_M, "OFProcess.m") AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes]) ]) AC_CHECK_HEADERS(sys/ioctl.h) AS_IF([test x"$objc_runtime" = x"Apple runtime"], [ AC_CHECK_HEADER(Foundation/NSObject.h, [ AC_SUBST(FOUNDATION_COMPAT_M, "foundation-compat.m") AC_SUBST(BRIDGE, "bridge") AS_IF([test x"$enable_shared" != x"no"], [ AC_SUBST(OBJFW_BRIDGE_SHARED_LIB, "${LIB_PREFIX}objfw-bridge${LIB_SUFFIX}") ]) AS_IF([test x"$enable_static" = x"yes" \ -o x"$enable_shared" = x"no"], [ AC_SUBST(OBJFW_BRIDGE_STATIC_LIB, "libobjfw-bridge.a") ]) ]) ]) case "$host" in arm*-apple-darwin*) AC_DEFINE(OF_IOS, 1, [Whether we compile for iOS]) ;; esac AS_IF([test x"$GOBJC" = x"yes"], [ OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith -Werror" AC_MSG_CHECKING(whether we have GCC 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([ #ifdef __has_attribute # if __has_attribute(objc_root_class) __attribute__((__objc_root_class__)) # endif #endif @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="$old_OBJCFLAGS" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wdocumentation" AC_MSG_CHECKING(whether -Wdocumentation works correctly) AC_TRY_COMPILE([ /*! * @class Test conftest.m conftest.m */ @interface Test @end ], [ ], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) OBJCFLAGS="$old_OBJCFLAGS" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -pedantic" AC_MSG_CHECKING(whether -pedantic is buggy) AC_TRY_COMPILE([ #import <stdlib.h> #ifdef __has_attribute # if __has_attribute(objc_root_class) __attribute__((__objc_root_class__)) # endif #endif @interface Foo { void *foo; } @end @interface Bar: Foo @end ], [], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) OBJCFLAGS="$old_OBJCFLAGS" ]) ]) AS_IF([test x"$cross_compiling" = x"yes"], [ AC_SUBST(BIN_PREFIX, "${host_alias}-") case "$host" in *-*-mingw*) AC_CHECK_PROG(WINE, wine, wine) AS_IF([test x"$WINE" != x""], [ AC_SUBST(RUN_TESTS, "run") AC_SUBST(TEST_LAUNCHER, "$WINE") ]) ;; esac AS_IF([test x"$with_wii" = x"yes"], [ dnl Keep this lowercase, as WIILOAD is a variable used by dnl wiiload and thus likely already set by the user to something dnl that is not the path of the wiiload binary. AC_CHECK_PROG(wiiload, wiiload, wiiload) AS_IF([test x"$wiiload" != x""], [ AC_SUBST(RUN_TESTS, "run") AC_SUBST(TEST_LAUNCHER, "$wiiload") ]) ]) ], [ AC_SUBST(RUN_TESTS, "run") ]) 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) dnl We use the ObjC compiler as our assembler AC_SUBST(AS, $OBJC) AC_SUBST(ASFLAGS) AC_SUBST(AS_DEPENDS, '${OBJC_DEPENDS}') AC_SUBST(TESTS_LIBS) AC_CONFIG_FILES([ buildsys.mk extra.mk utils/objfw-config support/Info.plist support/Bridge-Info.plist ]) AC_CONFIG_HEADERS([config.h src/objfw-defs.h]) AC_OUTPUT AS_IF([test x"$old_compiler" = x"yes"], [ echo printf " ** Note: Your compiler does not seem to " echo "accept -fobjc-runtime=objfw." printf " ** To get optimal performance, you should install " echo "Clang >= 3.2" printf " ** (or the latest Clang release to be able to use all " echo "features)." echo ]) AS_IF([test x"$enable_threads" != x"no" -a x"$atomic_ops" = x"none" \ -a x"$have_spinlocks" != x"yes"], [ echo printf " ** Warning: You have enabled threads, but neither atomic " echo "operations nor" printf " ** spinlocks are available. Expect *very* poor performance, " echo "as a mutex will" printf " ** be locked for every retain and release! If you don't " echo "need threads, try" echo " ** --disable-threads to work around this problem." echo ])