AC_INIT(ObjFW, 0.8-dev, js@webkeks.org)
BUILDSYS_INIT
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="$OBJCFLAGS -fconstant-string-class=OFConstantString"
AX_CHECK_COMPILER_FLAGS(-std=c11, [
OBJCFLAGS="$OBJCFLAGS -std=c11"
], [
AX_CHECK_COMPILER_FLAGS(-std=c1x, [
OBJCFLAGS="$OBJCFLAGS -std=c1x"
], [
AX_CHECK_COMPILER_FLAGS(-std=c99,
[OBJCFLAGS="$OBJCFLAGS -std=c99"])
])
])
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"])
case "$OBJC" in
*clang*)
ASFLAGS="$ASFLAGS -no-integrated-as"
;;
esac
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_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>
#ifdef __GLIBC__
yes
#endif
], [
CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
objc_runtime="ObjFW runtime"
AC_CHECK_HEADER(objc/objc.h)
AC_MSG_CHECKING(which Objective C runtime to use)
AC_ARG_ENABLE(runtime,
AS_HELP_STRING([--enable-runtime], [use the included runtime]))
AC_ARG_ENABLE(seluid24,
AS_HELP_STRING([--enable-seluid24],
[use 24 bit instead of 16 bit for selectors UIDs]))
AS_IF([test x"$enable_runtime" != x"yes"], [
AS_IF([test x"$ac_cv_header_objc_objc_h" = x"yes"], [
dnl TODO: This is ugly. Let's think of a better check.
AC_EGREP_CPP(yes, [
#import <objc/objc.h>
#ifdef __objc_INCLUDE_GNU
yes
#endif
], [
dnl We don't want the GNU runtime
true
], [
objc_runtime="Apple runtime"
])
])
])
AC_MSG_RESULT($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, $size_max, [Maximum value for size_t])
])
AC_CHECK_TYPE(max_align_t,
[AC_DEFINE(OF_HAVE_MAX_ALIGN_T, 1, [Whether we have max_align_t])])
AC_CHECK_HEADER(stdnoreturn.h,
[AC_DEFINE(OF_HAVE_STDNORETURN_H, 1, [Whether we have stdnoreturn.h])])
AC_CHECK_SIZEOF(float)
AC_CHECK_SIZEOF(double)
AS_IF([test x"$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 "$host" in
arm*)
AC_MSG_CHECKING(if VFP2 or above is available)
AC_TRY_COMPILE([], [
__asm__("fstmfdd sp!, {d0-d7}");
], [
AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
;;
esac
AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
AC_CHECK_FUNC(asprintf, [
case "$host" in
*-psp-*)
dnl asprintf is broken on the PSP, but snprintf works.
have_asprintf="no"
AC_SUBST(ASPRINTF_M, "asprintf.m")
ac_cv_snprintf_useful_ret="yes"
;;
*)
have_asprintf="yes"
AC_DEFINE(OF_HAVE_ASPRINTF, 1,
[Whether we have asprintf()])
AC_SUBST(ASPRINTF_DEF, "-DOF_HAVE_ASPRINTF")
;;
esac
], [
have_asprintf="no"
AC_SUBST(ASPRINTF_M, "asprintf.m")
AC_MSG_CHECKING(whether snprintf returns something useful)
AC_CACHE_VAL(ac_cv_snprintf_useful_ret, [
AC_TRY_RUN([
#include <stdio.h>
int
main()
{
return (snprintf(NULL, 0, "asd") == 3 ? 0 : 1);
}
], [
ac_cv_snprintf_useful_ret="yes"
], [
ac_cv_snprintf_useful_ret="no"
], [
ac_cv_snprintf_useful_ret="no"
])
])
AC_MSG_RESULT($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_FUNC(arc4random, [
AC_DEFINE(HAVE_ARC4RANDOM, 1, [Whether we have arc4random()])
], [
AC_CHECK_FUNC(random, [
AC_DEFINE(HAVE_RANDOM, 1, [Whether we have random()])
])
])
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"$enable_threads" != x"no"], [
case "$host_os" in
mingw*)
AC_MSG_CHECKING(for threads)
AC_MSG_RESULT(WinAPI)
;;
*)
ACX_PTHREAD([
CPPLAGS="$CPPFLAGS $PTHREAD_CFLAGS"
LIBS="$LIBS $PTHREAD_LIBS"
AC_DEFINE(OF_HAVE_PTHREADS, 1,
[Whether we have pthreads])
AC_TRY_COMPILE([
#include <pthread.h>
], [
pthread_mutexattr_t attr;
pthread_mutexattr_settype(&attr,
PTHREAD_MUTEX_RECURSIVE);
], [
AC_DEFINE(OF_HAVE_RECURSIVE_PTHREAD_MUTEXES, 1,
[If pthread mutexes can be recursive])
])
AC_CHECK_FUNC(pthread_spin_lock, [
have_spinlocks="yes"
AC_DEFINE(OF_HAVE_PTHREAD_SPINLOCKS, 1,
[Whether we have pthread spinlocks])
])
AC_CHECK_FUNC(sched_yield, [
AC_DEFINE(OF_HAVE_SCHED_YIELD, 1,
[Whether we have sched_yield()])
])
], [
AC_MSG_ERROR(No supported threads found!)
])
;;
esac
AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads])
AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}')
AC_SUBST(USE_INCLUDES_THREADS, '${INCLUDES_THREADS}')
AC_ARG_ENABLE(compiler-tls,
AS_HELP_STRING([--disable-compiler-tls],
[disable compiler thread local storage]))
AS_IF([test x"$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(OFZIP, "ofzip$ac_cv_exeext")
])
AC_CHECK_FUNCS([sysconf gmtime_r localtime_r nanosleep lstat])
AC_CHECK_HEADERS([pwd.h grp.h])
AC_CHECK_FUNC(chmod, [
AC_DEFINE(OF_HAVE_CHMOD, 1, [Whether we have chmod()])
])
AC_CHECK_FUNC(chown, [
AC_DEFINE(OF_HAVE_CHOWN, 1, [Whether we have chown()])
])
AC_CHECK_FUNC(link, [
AC_DEFINE(OF_HAVE_LINK, 1, [Whether we have link()])
])
AC_CHECK_FUNC(symlink, [
AC_DEFINE(OF_HAVE_SYMLINK, 1, [Whether we have symlink()])
])
AC_CHECK_FUNC(pipe, [
AC_DEFINE(OF_HAVE_PIPE, 1, [Whether we have pipe()])
])
AC_ARG_ENABLE(sockets,
AS_HELP_STRING([--disable-sockets], [disable socket support]))
AS_IF([test x"$enable_sockets" != x"no"], [
AC_DEFINE(OF_HAVE_SOCKETS, 1, [Whether we have sockets])
AC_SUBST(USE_SRCS_SOCKETS, '${SRCS_SOCKETS}')
AC_CHECK_LIB(socket, socket, LIBS="$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([arpa/inet.h netdb.h])
AC_CHECK_FUNC(kqueue, [
AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue])
AC_SUBST(OFKERNELEVENTOBSERVER_KQUEUE_M,
"OFKernelEventObserver_kqueue.m")
])
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($have_threadsafe_getaddrinfo)
])
], [
AC_MSG_RESULT(no)
])
AC_CHECK_FUNCS([h_errno hstrerror])
])
AS_IF([test x"$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], [
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"$ac_cv_func_kill" = x"yes"; then
have_processes="yes"
fi
], [
break
])
;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
AC_SUBST(OFPROCESS_M, "OFProcess.m")
AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
])
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
Info.plist
utils/objfw-config
src/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
])