AC_INIT(ObjFW, 0.1, js@webkeks.org)
AC_CONFIG_SRCDIR(src)
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 -fobjc-exceptions"
OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstString"
LIBS="$LIBS -lobjc"
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, [
NO_CONST_CFSTRINGS="-fno-constant-cfstrings"
OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"])
AC_SUBST(NO_CONST_CFSTRINGS)
AC_DEFINE(OF_CONFIGURED, 1, [Define so that we know we got our config.h])
AC_MSG_CHECKING(which Objective C runtime we use)
dnl TODO: This is ugly. Let's think of a better check.
AC_EGREP_CPP(gnu, [
#import <objc/objc.h>
#ifdef __objc_INCLUDE_GNU
gnu
#endif
], [
AC_DEFINE(OF_GNU_RUNTIME, 1, [Whether we use the GNU ObjC runtime])
AC_SUBST(RUNTIME_DEF, "-DOF_GNU_RUNTIME")
objc_runtime="GNU"
], [
AC_DEFINE(OF_APPLE_RUNTIME, 1, [Whether we use the Apple ObjC runtime])
AC_SUBST(RUNTIME_DEF, "-DOF_APPLE_RUNTIME")
objc_runtime="Apple"])
AC_MSG_RESULT($objc_runtime)
BUILDSYS_LIB
AC_DEFINE_UNQUOTED(PLUGIN_SUFFIX, "$PLUGIN_SUFFIX", [Suffix for plugins])
if test x"$PLUGIN_SUFFIX" != "x"; then
AC_SUBST(OFPLUGIN_M, "OFPlugin.m")
AC_SUBST(TESTPLUGIN, "plugin")
AC_DEFINE(OF_PLUGINS, 1, [Whether we have plugin support])
AC_SUBST(OFPLUGINS_DEF, "-DOF_PLUGINS")
fi
AC_C_BIGENDIAN([
AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian])
AC_SUBST(ENDIANESS_DEF, "-DOF_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)-1)"])
AC_DEFINE_UNQUOTED(SIZE_MAX, $size_max, [Maximum value for size_t])])
AC_CHECK_FUNC(objc_sync_enter,, [
AC_SUBST(OBJC_SYNC, "objc_sync")
AC_SUBST(OBJC_SYNC_M, "objc_sync.m")
AC_DEFINE(NEED_OBJC_SYNC_INIT, 1,
[Whether objc_sync_init needs to be called])])
AC_CHECK_FUNC(asprintf, [
have_asprintf="yes"
AC_DEFINE(OF_HAVE_ASPRINTF, 1, [Whether we have asprintf])
AC_SUBST(ASPRINTF_DEF, "-DOF_HAVE_ASPRINTF")
], [
have_asprintf="no"
AC_SUBST(ASPRINTF_M, "asprintf.m")
AC_MSG_CHECKING(whether snprintf returns something useful)
AC_CACHE_VAL(ac_cv_snprintf_useful_ret, [
AC_TRY_RUN([
#include <stdio.h>
int
main()
{
return (snprintf(NULL, 0, "asd") == 3 ? 0 : 1);
}],
ac_cv_snprintf_useful_ret="yes",
ac_cv_snprintf_useful_ret="no",
ac_cv_snprintf_useful_ret="no")])
AC_MSG_RESULT($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="$LIBS -ldl")
case "$host" in
*-*-mingw*)
AC_MSG_CHECKING(for threads)
AC_MSG_RESULT(win32)
;;
*)
ACX_PTHREAD([
CPPLAGS="$CPPFLAGS $PTHREAD_CFLAGS"
LIBS="$LIBS $PTHREAD_LIBS"
], [
AC_MSG_ERROR(No pthreads or other supported threads!)])
;;
esac
AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")
AC_MSG_CHECKING(for getaddrinfo)
AC_TRY_COMPILE([
#include <stddef.h>
#ifndef _WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#else
#define _WIN32_WINNT 0x0501
#include <ws2tcpip.h>
#endif], [
struct addrinfo ai;
getaddrinfo(NULL, NULL, NULL, NULL);
], [have_getaddrinfo="yes"], [have_getaddrinfo="no"])
AC_MSG_RESULT($have_getaddrinfo)
test x"$have_getaddrinfo" = x"yes" && \
AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo])
AC_CHECK_FUNC(madvise, [AC_DEFINE(HAVE_MADVISE, 1, [Whether we have madvise])])
if test x"$GOBJC" = x"yes"; then
OBJCFLAGS="$OBJCFLAGS -Werror"
AC_MSG_CHECKING(whether gcc has bug objc/27438)
AC_TRY_COMPILE([
#import <objc/objc.h>
@interface OFConstString
{
Class isa;
const char *string;
unsigned long size;
}
@end
void *_OFConstStringClassReference;
], [
OFConstString *test = @"";
test++; /* Get rid of unused variable warning */
], [AC_MSG_RESULT(no)], [
AC_MSG_RESULT([yes, adding -Wno-unused-variable])
OBJCFLAGS="$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([
#import <objc/objc.h>
@interface OFObject
{
Class isa;
}
@end
static struct {
Class isa;
} object;
], [
OFObject *test = (OFObject*)&object;
test++; /* Get rid of unused variable warning */
], [AC_MSG_RESULT(no)], [
AC_MSG_RESULT(yes)
OBJCFLAGS="$OBJCFLAGS -Wno-strict-aliasing"])
fi
if test x"$cross_compiling" = x"yes"; then
case "$host" in
*-*-mingw*)
AC_PATH_PROG(WINE, wine)
if test x"$WINE" != "x"; then
AC_SUBST(TESTS, "tests")
AC_SUBST(TEST_LAUNCHER, "$WINE")
fi
;;
esac
else
AC_SUBST(TESTS, "tests")
fi
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_SUBST(PACKAGE, ObjFW)
AC_CONFIG_FILES([buildsys.mk extra.mk objfw-config])
AC_CONFIG_HEADERS(config.h)
AC_OUTPUT