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dnl AC_PREREQ([2.67])
dnl Make sure you change the version information
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dnl in include/mio/conf_*.h whenever you change the version
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dnl here. Those files don't depend on autoconf, thus requiring
dnl manual change.
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AC_INIT([mio],[0.1.0],[Chung, Hyung-Hwan (hyunghwan.chung@gmail.com)],[],[http://code.miflux.com/@mio])
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AC_CONFIG_HEADER([lib/mio-cfg.h])
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AC_CONFIG_AUX_DIR([ac])
AC_CONFIG_MACRO_DIR([m4])
dnl use CC and CPP for compilation tests with .c test programs.
AC_LANG(C)
dnl initialize automake
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AM_INIT_AUTOMAKE([-Wall -Werror subdir-objects foreign])
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AM_PROG_AR
dnl enable silent rules if automake supports them.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([no])])
dnl m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
dnl determine a C compiler to use
AC_PROG_CC
dnl determine a C++ compiler to use
AC_PROG_CXX
dnl check if the C++ compiler exists in PATH
AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
dnl check if the C++ compiler supports namespace
AX_CXX_NAMESPACE_STD
dnl determine some key programs
AC_PROG_INSTALL
AC_PROG_EGREP
AC_PROG_LN_S
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AC_PROG_SED
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dnl initialize libtool
LT_INIT
AC_SUBST(LIBTOOL_DEPS)
dnl overrides the default CFLAGS setting
if test "$ac_test_CFLAGS" != "set"
then
if test "$GCC" = "yes"
then
CFLAGS="$CFLAGS -Wall"
fi
fi
if test "$ac_test_CXXFLAGS" != "set"
then
if test "$GCC" = "yes"
then
CXXFLAGS="$CXXFLAGS -Wall"
fi
fi
dnl indicate the existence of config.h
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CFLAGS="$CFLAGS -DMIO_HAVE_CFG_H"
CXXFLAGS="$CXXFLAGS -DMIO_HAVE_CFG_H"
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dnl make visible the 64-bit interface to the file system
CFLAGS="$CFLAGS -D_LARGEFILE64_SOURCE"
CXXFLAGS="$CXXFLAGS -D_LARGEFILE64_SOURCE"
dnl define the WIN32 conditional if necessary
case "$host" in
*-*-mingw*|*-*-cygwin*)
#CFLAGS="$CFLAGS -D_WIN32_WINNT=0x0400"
platform_win32=yes
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platform_macosx=no
;;
*-*-darwin*)
platform_win32=no
platform_macosx=yes
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;;
*)
platform_win32=no
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platform_macosx=no
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;;
esac
AM_CONDITIONAL(WIN32, test "x${platform_win32}" = "xyes" )
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AM_CONDITIONAL(MACOSX, test "x${platform_macosx}" = "xyes" )
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dnl check the math library (check if -lm is needed)
LT_LIB_M
AC_SUBST(LIBM, $LIBM)
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dnl check some compiler builtins
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AC_MSG_CHECKING([__builtin_memset])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([], [__builtin_memset ((void*)1, ' ', 10);])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMSET], [1], [__builtin_memset])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memcpy])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([], [__builtin_memcpy ((void*)1, (void*)2, 10);])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMCPY], [1], [__builtin_memcpy])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memmove])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([], [__builtin_memmove ((void*)1, (void*)2, 10);])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMMOVE], [1], [__builtin_memmove])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memcmp])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([], [int a = __builtin_memcmp ((void*)1, (void*)2, 10);])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMCMP], [1], [__builtin_memcmp])],
[AC_MSG_RESULT(no)]
)
dnl check header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stddef.h wchar.h wctype.h errno.h signal.h fcntl.h dirent.h])
AC_CHECK_HEADERS([time.h sys/time.h utime.h spawn.h execinfo.h ucontext.h])
AC_CHECK_HEADERS([sys/resource.h sys/wait.h sys/syscall.h sys/ioctl.h])
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AC_CHECK_HEADERS([sys/sendfile.h sys/epoll.h sys/event.h sys/poll.h])
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AC_CHECK_HEADERS([sys/sysctl.h sys/socket.h sys/sockio.h sys/un.h])
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AC_CHECK_HEADERS([ifaddrs.h tiuser.h linux/netfilter_ipv4.h netinet/in.h netinet/sctp.h])
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AC_CHECK_HEADERS([net/if.h net/if_dl.h netpacket/packet.h], [], [], [
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#include <sys/types.h>
#include <sys/socket.h>])
AC_CHECK_HEADERS([sys/stropts.h sys/macstat.h linux/ethtool.h linux/sockios.h])
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AC_CHECK_HEADERS([quadmath.h crt_externs.h sys/prctl.h])
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dnl check data types
dnl AC_CHECK_TYPE([wchar_t],
dnl [ AC_DEFINE([HAVE_WCHAR_T_IN_STDDEF_H],
dnl [],[wchar_t is available in stddef.h]) ],
dnl [],
dnl [#include <stddef.h>])
dnl check functions
AC_CHECK_FUNCS([uselocale])
AC_CHECK_FUNCS([mbrlen mbrtowc wcrtomb])
AC_CHECK_FUNCS([mbsnrtowcs mbsrtowcs wcsnrtombs wcsrtombs])
AC_CHECK_FUNCS([wctype iswctype wctrans towctrans])
AC_CHECK_FUNCS([isblank iswblank])
AC_CHECK_FUNCS([lseek64 stat64 fstat64 lstat64 ftruncate64 readdir64 dirfd])
AC_CHECK_FUNCS([lstat fchmod fsync ftruncate])
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AC_CHECK_FUNCS([timegm timelocal localtime_r gettimeofday settimeofday clock_gettime clock_settime])
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AC_CHECK_FUNCS([utime utimes futimes lutimes futimens])
AC_CHECK_FUNCS([sysconf prctl fdopendir setrlimit getrlimit getpgid getpgrp])
AC_CHECK_FUNCS([backtrace backtrace_symbols])
AC_CHECK_FUNCS([fork vfork posix_spawn gettid nanosleep select])
AC_CHECK_FUNCS([makecontext swapcontext getcontext setcontext])
AC_CHECK_FUNCS([snprintf _vsnprintf _vsnwprintf])
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AC_CHECK_FUNCS([accept4 sendmsg recvmsg writev readv])
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AC_CHECK_FUNCS([isatty mmap munmap])
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OLDLIBS="$LIBS"
LIBS="$LIBM $LIBS"
AC_CHECK_FUNCS([powl fmodl sinl cosl tanl sinhl coshl tanhl asinl acosl atanl atan2l logl log10l expl sqrtl ceill floorl roundl])
AC_CHECK_FUNCS([pow fmod sin cos tan sinh cosh tanh asin acos atan atan2 log log10 exp sqrt ceil floor round])
AC_CHECK_FUNCS([powf fmodf sinf cosf tanf sinhf coshf tanhf asinf acosf atanf atan2f logf log10f expf sqrtf ceilf floorf roundf])
LIBS="$OLDLIBS"
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AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
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dnl OLDLIBS="$LIBS"
dnl AC_SEARCH_LIBS([connect], [socket])
dnl LIBS="$OLDLIBS"
dnl if test "$ac_cv_search_connect" != "none required" -a "$ac_cv_search_connect" != "no"
dnl then
dnl SOCKET_LIBS="$SOCKET_LIBS -lsocket"
dnl fi
dnl AC_SUBST(SOCKET_LIBS)
AC_CHECK_FUNCS([connect gethostbyname])
if test "x$ac_cv_func_gethostbyname" = "xno"
then
AC_CHECK_LIB([nsl], [gethostbyname], [
SOCKET_LIBS="$SOCKET_LIBS -lnsl"
AC_DEFINE(HAVE_GETHOSTBYNAME, 1)
])
fi
if test "x$ac_cv_func_connect" = "xno"
then
AC_CHECK_LIB([socket], [connect], [
SOCKET_LIBS="$SOCKET_LIBS -lsocket"
AC_DEFINE(HAVE_CONNECT, 1)
])
if test "x$ac_cv_lib_socket_connect" = xno
then
AC_CHECK_FUNCS([t_connect])
if test "x$ac_cv_func_t_connect" = "xno"
then
AC_CHECK_LIB([nsl_s], [t_connect], [
SOCKET_LIBS="$SOCKET_LIBS -lnsl_s"
AC_DEFINE(HAVE_T_CONNECT, 1)
])
fi
fi
fi
if test "x${platform_win32}" = "xyes"
then
SOCKET_LIBS="$SOCKET_LIBS -lws2_32"
fi
AC_SUBST(SOCKET_LIBS)
OLDLIBS="$LIBS"
LIBS="$SOCKET_LIBS $LIBS"
AC_CHECK_FUNCS([if_nametoindex if_indextoname getifaddrs])
LIBS="$OLDLIBS"
dnl check if sendfile and its variants exist in the standard c library
dnl it inspects the existence of each missing function in the sendfile library.
AC_CHECK_FUNCS([sendfile sendfile64 sendfilev sendfilev64])
if test "$ac_cv_func_sendfile" = "no"
then
AC_CHECK_LIB([sendfile], [sendfile], [
SENDFILE_LIBS="-lsendfile"
dnl only for consistency with AC_CHECK_FUNCS
AC_DEFINE(HAVE_SENDFILE, 1)
])
fi
if test "$ac_cv_func_sendfile64" = "no"
then
AC_CHECK_LIB([sendfile], [sendfile64], [
SENDFILE_LIBS="-lsendfile"
dnl only for consistency with AC_CHECK_FUNCS
AC_DEFINE(HAVE_SENDFILE64, 1)
])
fi
if test "$ac_cv_func_sendfilev" = "no"
then
AC_CHECK_LIB([sendfile], [sendfilev], [
SENDFILE_LIBS="-lsendfile"
dnl only for consistency with AC_CHECK_FUNCS
AC_DEFINE(HAVE_SENDFILEV, 1)
])
fi
if test "$ac_cv_func_sendfilev64" = "no"
then
AC_CHECK_LIB([sendfile], [sendfilev64], [
SENDFILE_LIBS="-lsendfile"
dnl only for consistency with AC_CHECK_FUNCS
AC_DEFINE(HAVE_SENDFILEV64, 1)
])
fi
AC_SUBST(SENDFILE_LIBS)
AC_CHECK_FUNCS([epoll_create epoll_create1])
if test "$ac_cv_func_epoll_create" = "yes"
then
AC_DEFINE(HAVE_EPOLL, 1, [epoll support])
fi
AC_CHECK_FUNCS([kqueue kqueue1 kevent])
dnl check is the import library for unicows.dll exists
dnl this check doesn't look for a particular symbol
dnl but for the symbol 'main' since i want to check
dnl the existence of the libaray.
AC_CHECK_LIB([unicows], [main], [UNICOWS_LIBS="-lunicows"])
AC_SUBST(UNICOWS_LIBS)
AC_ARG_ENABLE([ssl], [AS_HELP_STRING([--enable-ssl],[build the library in the ssl mode (default. yes)])],
enable_ssl_is=$enableval,enable_ssl_is=yes)
if test "x$enable_ssl_is" = "xyes"
then
AC_CHECK_HEADERS([openssl/ssl.h openssl/err.h openssl/engine.h])
dnl check for an SSL library
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dnl i used SSL_library_init at first.
dnl starting from openssl 1.1.0, SSL_library_init was made to a macro
dnl aliasing OPENSSL_init_ssl.
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dnl #define SSL_library_init() OPENSSL_init_ssl(0, NULL)
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dnl instead of checking both, now i use SSL_new.
AC_CHECK_FUNCS([SSL_new])
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if test "x$ac_cv_func_SSL_new" = "xyes"
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then
AC_DEFINE(HAVE_SSL, 1, [ssl support])
else
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AC_CHECK_LIB([ssl], [SSL_new], [
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SSL_LIBS="-lssl"
AC_DEFINE(HAVE_SSL, 1, [ssl support])
dnl additional check
AC_CHECK_LIB([crypto], [ERR_get_error], [
SSL_LIBS="${SSL_LIBS} -lcrypto"
])
dnl only for consistency with AC_CHECK_FUNCS
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AC_DEFINE(HAVE_SSL_NEW, 1)
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])
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fi
OLDLIBS="$LIBS"
LIBS="$SSL_LIBS $LIBS"
AC_CHECK_FUNCS([ENGINE_cleanup CRYPTO_cleanup_all_ex_data])
LIBS="$OLDLIBS"
fi
AC_SUBST(SSL_LIBS)
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if test "x${ac_cv_header_libunwind_h}" = "xyes"
then
AC_CHECK_LIB([unwind], [unw_backtrace],
[
UNWIND_LIBS="-lunwind"
AC_DEFINE([HAVE_UNWIND_LIB], [1], [libunwind is available])
]
)
AC_SUBST(UNWIND_LIBS)
fi
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AC_STRUCT_DIRENT_D_TYPE
AC_CHECK_MEMBERS([DIR.d_fd, DIR.dd_fd],,,[[#include <dirent.h>]])
AC_CHECK_MEMBERS([struct stat.st_birthtime])
AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec])
AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec])
AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
AC_CHECK_MEMBERS([struct ifreq.ifr_ifindex, struct ifreq.ifr_mtu], [], [],
[#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif])
AC_CHECK_TYPES([struct lifconf, struct lifreq, struct if_laddrreq], [], [],
[#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif])
AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], [], [],
[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
AC_CHECK_TYPES([struct timespec], [], [],
[#include <sys/types.h>
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif])
AC_MSG_CHECKING([for va_copy])
AC_TRY_LINK(
[#include <stdarg.h>],
[
va_list x, y;
va_copy(x,y);
],
[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_VA_COPY], [1], [va_copy is available])
],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([for __va_copy])
AC_TRY_LINK(
[#include <stdarg.h>],
[
va_list x, y;
__va_copy(x,y);
],
[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___VA_COPY], [1], [__va_copy is available])
],
[AC_MSG_RESULT(no)]
)
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AC_MSG_CHECKING([for strftime %z])
AC_TRY_RUN(
[#include <string.h>
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#endif
#if defined(HAVE_TIME_H)
#include <time.h>
#endif
int main ()
{
char buf[100];
time_t t = 0;
strftime (buf, sizeof(buf), "%z", gmtime(&t));
return (strcmp(buf, "%z") == 0 || strcmp(buf, "z") == 0)? 1: 0;
}],
[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_STRFTIME_SMALL_Z], [1], [strftime supports %z])
],
[AC_MSG_RESULT(no)],
[
dnl cross-compiling, assume yes
AC_MSG_RESULT(unknown)
AC_DEFINE([HAVE_STRFTIME_SMALL_Z], [1], [strftime supports %z])
]
)
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dnl check the size of primitive data types
AC_CHECK_SIZEOF(char,,[[]])
AC_CHECK_SIZEOF(short,,[[]])
AC_CHECK_SIZEOF(int,,[[]])
AC_CHECK_SIZEOF(long,,[[]])
AC_CHECK_SIZEOF(long long,,[[]])
AC_CHECK_SIZEOF(__int8,,[[]])
AC_CHECK_SIZEOF(__int16,,[[]])
AC_CHECK_SIZEOF(__int32,,[[]])
AC_CHECK_SIZEOF(__int64,,[[]])
AC_CHECK_SIZEOF(__int128,,[[]])
AC_CHECK_SIZEOF(__int8_t,,[[]])
AC_CHECK_SIZEOF(__int16_t,,[[]])
AC_CHECK_SIZEOF(__int32_t,,[[]])
AC_CHECK_SIZEOF(__int64_t,,[[]])
AC_CHECK_SIZEOF(__int128_t,,[[]])
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AC_CHECK_SIZEOF(__uint128_t,,[[]])
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dnl AC_CHECK_SIZEOF doesn't work without white-space between void and *
AC_CHECK_SIZEOF(void *,,[[]])
AC_CHECK_SIZEOF(float,,[[]])
AC_CHECK_SIZEOF(double,,[[]])
AC_CHECK_SIZEOF(long double,,[[]])
AC_CHECK_SIZEOF(__float128,,[[]])
AC_CHECK_SIZEOF(wchar_t)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(off64_t)
AC_CHECK_SIZEOF(mbstate_t,,[#include <wchar.h>])
AX_CHECK_NUMVALOF(MB_LEN_MAX,[32],[#include <limits.h>])
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AX_CHECK_NUMVALOF(PATH_MAX,[0],[#include <limits.h>])
AX_CHECK_NUMVALOF(NSIG,[32],[#include <signal.h>])
AX_CHECK_NUMVALOF(AF_UNSPEC, [0], [#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
AX_CHECK_NUMVALOF(AF_INET, [-1], [#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
AX_CHECK_NUMVALOF(AF_INET6, [-2], [#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
AX_CHECK_NUMVALOF(AF_PACKET, [-3], [#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
AX_CHECK_NUMVALOF(AF_UNIX, [-4], [#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>])
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if test "x${platform_win32}" = "xyes"
then
AC_CHECK_SIZEOF(struct sockaddr_in,,[
#include <winsock2.h>
#include <ws2tcpip.h>])
AC_CHECK_SIZEOF(struct sockaddr_in6,,[
#include <winsock2.h>
#include <ws2tcpip.h>])
AC_CHECK_SIZEOF(struct sockaddr_un,,[
#include <winsock2.h>
#include <ws2tcpip.h>])
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AC_CHECK_SIZEOF(struct sockaddr_ll,,[
#include <winsock2.h>
#include <ws2tcpip.h>])
AC_CHECK_SIZEOF(struct sockaddr_dl,,[
#include <winsock2.h>
#include <ws2tcpip.h>])
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AC_CHECK_SIZEOF(socklen_t,, [
#include <winsock2.h>
#include <ws2tcpip.h>])
if test ${ac_cv_sizeof_socklen_t} -gt 0
then
AX_CHECK_SIGN([socklen_t],
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[ AC_DEFINE(MIO_SOCKLEN_T_IS_SIGNED, 1, [Define if socklen_t is signed]) ],
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[ AS_ECHO_N("") ],
[#include <winsock2.h>
#include <ws2tcpip.h>])
fi
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AC_CHECK_SIZEOF(sa_family_t,, [
#include <winsock2.h>
#include <ws2tcpip.h>])
if test ${ac_cv_sizeof_sa_family_t} -gt 0
then
AX_CHECK_SIGN([sa_family_t],
[ AC_DEFINE(MIO_SA_FAMILY_T_IS_SIGNED, 1, [Define if sa_family_t is signed]) ],
[ AS_ECHO_N("") ],
[#include <winsock2.h>
#include <ws2tcpip.h>])
fi
AC_MSG_CHECKING([offset of sa_family in struct sockaddr])
AC_COMPUTE_INT([ac_cv_offsetof_sa_family],
[[offsetof(struct sockaddr, sa_family)]],
[#include <stddef.h>
#include <winsock2.h>
#include <ws2tcpip.h>], [ac_cv_offsteof_sa_family=0])
AC_MSG_RESULT([$ac_cv_offsetof_sa_family])
AC_DEFINE_UNQUOTED(MIO_OFFSETOF_SA_FAMILY, ${ac_cv_offsetof_sa_family}, [offsetof(struct sockaddr, sa_family)])
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else
AC_CHECK_SIZEOF(struct sockaddr_in,,[
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#include <sys/types.h>
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#include <sys/socket.h>
#include <netinet/in.h>])
AC_CHECK_SIZEOF(struct sockaddr_in6,,[
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#include <sys/types.h>
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#include <sys/socket.h>
#include <netinet/in.h>])
AC_CHECK_SIZEOF(struct sockaddr_un,,[
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#include <sys/types.h>
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#include <sys/socket.h>
#include <sys/un.h>])
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AC_CHECK_SIZEOF(struct sockaddr_ll,,[
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#include <sys/types.h>
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#include <sys/socket.h>
#include <netpacket/packet.h>])
AC_CHECK_SIZEOF(struct sockaddr_dl,,[
#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if_dl.h>])
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AC_CHECK_SIZEOF(socklen_t,, [
#include <sys/types.h>
#include <sys/socket.h>])
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if test ${ac_cv_sizeof_socklen_t} -gt 0
then
AX_CHECK_SIGN([socklen_t],
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[ AC_DEFINE(MIO_SOCKLEN_T_IS_SIGNED, 1, [Define if socklen_t is signed]) ],
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[ AS_ECHO_N("") ],
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[#include <sys/types.h>
#include <sys/socket.h>])
fi
AC_CHECK_SIZEOF(sa_family_t,, [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
if test ${ac_cv_sizeof_sa_family_t} -gt 0
then
AX_CHECK_SIGN([sa_family_t],
[ AC_DEFINE(MIO_SA_FAMILY_T_IS_SIGNED, 1, [Define if sa_family_t is signed]) ],
[ AS_ECHO_N("") ],
[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>])
fi
AC_MSG_CHECKING([offset of sa_family in struct sockaddr])
AC_COMPUTE_INT([ac_cv_offsetof_sa_family],
[[offsetof(struct sockaddr, sa_family)]],
[#include <stddef.h>
#include <sys/types.h>
#include <sys/socket.h>], [ac_cv_offsteof_sa_family=0])
AC_MSG_RESULT([$ac_cv_offsetof_sa_family])
AC_DEFINE_UNQUOTED(MIO_OFFSETOF_SA_FAMILY, ${ac_cv_offsetof_sa_family}, [offsetof(struct sockaddr, sa_family)])
fi
dnl gcc 3.4.3 on opensolaris x86 gave this warning without -msse or
dnl something similar.
dnl SSE vector argument without SSE enabled changes the ABI
dnl it also ended with an internal compiler error while compiling
dnl some expressions like 'v % base' where v is of the __int128_t type.
dnl so i've added this check to determine if the compiler has
dnl proper support for __int128_t.
dnl
dnl Changing ac_cv_sizeof___int128_t here doesn't corret SIZEOF___INT128_T
dnl since it's already generated. It only affects MIO_SIZEOF___INT128_T below.
if test ${ac_cv_sizeof___int128_t} -gt 0
then
AC_MSG_CHECKING([__int128_t with % and va_arg])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <stdarg.h>], [
volatile __int128_t x, base;
va_list ap;
va_arg(ap, __int128_t);
x = (__int128_t)&base;
base = (__int128_t)&x;
x = x % base;
return (int)x;
])],
[
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
ac_cv_sizeof___int128_t=0
ac_cv_sizeof___uint128_t=0
]
)
fi
dnl Some compilers doesn't seem to have full support for __float128
dnl even if the type is available.
if test ${ac_cv_sizeof___float128} -gt 0
then
AC_MSG_CHECKING([__float128 with linking])
AC_TRY_LINK(
[#include <stdio.h>],
[
__float128 x, y, z;
z = x * y + x;
printf ("%p", (char*)(int)z);
],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
ac_cv_sizeof___float128=0
]
)
fi
dnl Quadmath functions may not be in the default c library.
dnl Find a library containing them. Disable the float128 type
dnl if they are not available.
if test ${ac_cv_sizeof___float128} -gt 0
then
AC_CHECK_FUNCS([quadmath_snprintf])
if test "$ac_cv_func_quadmath_snprintf" = "no"
then
OLDLIBS="$LIBS"
LIBS="$LIBM $LIBS"
AC_CHECK_FUNCS([quadmath_snprintf])
LIBS="$OLDLIBS"
if test "$ac_cv_func_quadmath_snprintf" = "no"
then
dnl quadmath_snprintf not avalable in the
dnl standard math lib.
AC_CHECK_LIB([quadmath], [quadmath_snprintf], [
QUADMATH_LIBS="-lquadmath"
LIBM="$LIBM -lquadmath"
AC_DEFINE(HAVE_QUADMATH_SNPRINTF, 1)
])
if test "$ac_cv_lib_quadmath_quadmath_snprintf" = "no"
then
dnl quadmath_snprintf not avalable in the
dnl quadmath lib.
ac_cv_sizeof___float128=0
fi
else
QUADMATH_LIBS="$LIBM"
fi
fi
if test ${ac_cv_sizeof___float128} -gt 0
then
OLDLIBS="$LIBS"
LIBS="$LIBM $LIBS"
AC_CHECK_FUNCS([powq fmodq sinq cosq tanq sinhq coshq tanhq asinq acosq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq])
AC_CHECK_FUNCS([strtoflt128])
LIBS="$OLDLIBS"
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fi
fi
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AC_SUBST(QUADMATH_LIBS)
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dnl gcc 3.4.3 on opensolaris x86 gave this warning without -msse or
dnl something similar.
dnl SSE vector argument without SSE enabled changes the ABI
dnl it also ended with an internal compiler error while compiling
dnl some expressions like 'v % base' where v is of the __int128_t type.
dnl so i've added this check to determine if the compiler has
dnl proper support for __int128_t.
dnl
dnl Changing ac_cv_sizeof___int128_t here doesn't corret SIZEOF___INT128_T
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dnl since it's already generated. It only affects MIO_SIZEOF___INT128_T below.
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if test ${ac_cv_sizeof___int128_t} -gt 0
then
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AC_MSG_CHECKING([__int128_t with % and va_arg])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([#include <stdarg.h>], [
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volatile __int128_t x, base;
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va_list ap;
va_arg(ap, __int128_t);
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x = (__int128_t)&base;
base = (__int128_t)&x;
x = x % base;
return (int)x;
])],
[
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
ac_cv_sizeof___int128_t=0
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ac_cv_sizeof___uint128_t=0
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]
)
fi
dnl Some compilers doesn't seem to have full support for __float128
dnl even if the type is available.
if test ${ac_cv_sizeof___float128} -gt 0
then
AC_MSG_CHECKING([__float128 with linking])
AC_TRY_LINK(
[#include <stdio.h>],
[
__float128 x, y, z;
z = x * y + x;
printf ("%p", (char*)(int)z);
],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
ac_cv_sizeof___float128=0
]
)
fi
dnl Quadmath functions may not be in the default c library.
dnl Find a library containing them. Disable the float128 type
dnl if they are not available.
if test ${ac_cv_sizeof___float128} -gt 0
then
AC_CHECK_FUNCS([quadmath_snprintf])
if test "$ac_cv_func_quadmath_snprintf" = "no"
then
OLDLIBS="$LIBS"
LIBS="$LIBM $LIBS"
AC_CHECK_FUNCS([quadmath_snprintf])
LIBS="$OLDLIBS"
if test "$ac_cv_func_quadmath_snprintf" = "no"
then
dnl quadmath_snprintf not avalable in the
dnl standard math lib.
AC_CHECK_LIB([quadmath], [quadmath_snprintf], [
QUADMATH_LIBS="-lquadmath"
LIBM="$LIBM -lquadmath"
AC_DEFINE(HAVE_QUADMATH_SNPRINTF, 1)
])
if test "$ac_cv_lib_quadmath_quadmath_snprintf" = "no"
then
dnl quadmath_snprintf not avalable in the
dnl quadmath lib.
ac_cv_sizeof___float128=0
fi
else
QUADMATH_LIBS="$LIBM"
fi
fi
if test ${ac_cv_sizeof___float128} -gt 0
then
OLDLIBS="$LIBS"
LIBS="$LIBM $LIBS"
AC_CHECK_FUNCS([powq fmodq sinq cosq tanq sinhq coshq tanhq asinq acosq atanq atan2q logq log10q expq sqrtq ceilq floorq roundq])
AC_CHECK_FUNCS([strtoflt128])
LIBS="$OLDLIBS"
fi
fi
AC_SUBST(QUADMATH_LIBS)
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AC_DEFINE_UNQUOTED(MIO_SIZEOF_CHAR, ${ac_cv_sizeof_char}, [sizeof(char)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_SHORT, ${ac_cv_sizeof_short}, [sizeof(short)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_INT, ${ac_cv_sizeof_int}, [sizeof(int)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_LONG, ${ac_cv_sizeof_long}, [sizeof(long)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_LONG_LONG, ${ac_cv_sizeof_long_long}, [sizeof(long long)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT8, ${ac_cv_sizeof___int8}, [sizeof(__int8)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT16, ${ac_cv_sizeof___int16}, [sizeof(__int16)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT32, ${ac_cv_sizeof___int32}, [sizeof(__int32)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT64, ${ac_cv_sizeof___int64}, [sizeof(__int64)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT128, ${ac_cv_sizeof___int128}, [sizeof(__int128)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___INT128_T, ${ac_cv_sizeof___int128_t}, [sizeof(__int128_t)])
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AC_DEFINE_UNQUOTED(MIO_SIZEOF___UINT128_T, ${ac_cv_sizeof___uint128_t}, [sizeof(__uint128_t)])
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AC_DEFINE_UNQUOTED(MIO_SIZEOF_VOID_P, ${ac_cv_sizeof_void_p}, [sizeof(void*)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_FLOAT, ${ac_cv_sizeof_float}, [sizeof(float)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_DOUBLE, ${ac_cv_sizeof_double}, [sizeof(double)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_LONG_DOUBLE, ${ac_cv_sizeof_long_double}, [sizeof(long double)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF___FLOAT128, ${ac_cv_sizeof___float128}, [sizeof(__float128)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_WCHAR_T, ${ac_cv_sizeof_wchar_t}, [sizeof(wchar_t)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_OFF_T, ${ac_cv_sizeof_off_t}, [sizeof(off_t)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_OFF64_T, ${ac_cv_sizeof_off64_t}, [sizeof(off64_t)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_MBSTATE_T, ${ac_cv_sizeof_mbstate_t}, [sizeof(mbstate_t)])
AC_DEFINE_UNQUOTED(MIO_MBLEN_MAX, ${ax_cv_numvalof_MB_LEN_MAX}, [MB_LEN_MAX])
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AC_DEFINE_UNQUOTED(MIO_NSIG, ${ax_cv_numvalof_NSIG}, [NSIG])
AC_DEFINE_UNQUOTED(MIO_AF_UNSPEC, (${ax_cv_numvalof_AF_UNSPEC}), [AF_UNSPEC])
AC_DEFINE_UNQUOTED(MIO_AF_INET, (${ax_cv_numvalof_AF_INET}), [AF_INET])
AC_DEFINE_UNQUOTED(MIO_AF_INET6, (${ax_cv_numvalof_AF_INET6}), [AF_INET6])
AC_DEFINE_UNQUOTED(MIO_AF_PACKET, (${ax_cv_numvalof_AF_PACKET}), [AF_PACKET])
AC_DEFINE_UNQUOTED(MIO_AF_UNIX, (${ax_cv_numvalof_AF_UNIX}), [AF_UNIX])
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AC_DEFINE_UNQUOTED(MIO_SIZEOF_STRUCT_SOCKADDR_IN, ${ac_cv_sizeof_struct_sockaddr_in}, [sizeof(struct sockaddr_in)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_STRUCT_SOCKADDR_IN6, ${ac_cv_sizeof_struct_sockaddr_in6}, [sizeof(struct sockaddr_in6)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_STRUCT_SOCKADDR_UN, ${ac_cv_sizeof_struct_sockaddr_un}, [sizeof(struct sockaddr_un)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_STRUCT_SOCKADDR_LL, ${ac_cv_sizeof_struct_sockaddr_ll}, [sizeof(struct sockaddr_ll)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_STRUCT_SOCKADDR_DL, ${ac_cv_sizeof_struct_sockaddr_dl}, [sizeof(struct sockaddr_dl)])
AC_DEFINE_UNQUOTED(MIO_SIZEOF_SOCKLEN_T, ${ac_cv_sizeof_socklen_t}, [sizeof(socklen_t)])
mio_package_version_major="`echo ${PACKAGE_VERSION} | cut -d. -f1`"
mio_package_version_minor="`echo ${PACKAGE_VERSION} | cut -d. -f2`"
mio_package_version_patch="`echo ${PACKAGE_VERSION} | cut -d. -f3`"
AC_SUBST(PACKAGE_VERSION_MAJOR, ${mio_package_version_major})
AC_SUBST(PACKAGE_VERSION_MINOR, ${mio_package_version_minor})
AC_SUBST(PACKAGE_VERSION_PATCH, ${mio_package_version_patch})
AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION, "${PACKAGE_VERSION}", [Package version])
dnl AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_MAJOR, $(echo ${VERSION} | cut -d. -f1), [Major version number])
dnl AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_MINOR, $(echo ${VERSION} | cut -d. -f2), [Minor version number])
dnl AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_PATCH, $(echo ${VERSION} | cut -d. -f3), [Patch level])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_MAJOR, ${mio_package_version_major}, [Major version number])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_MINOR, ${mio_package_version_minor}, [Minor version number])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_VERSION_PATCH, ${mio_package_version_patch}, [Patch level])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_AUTHOR,"${PACKAGE_BUGREPORT}", [Author])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_NAME,"${PACKAGE_NAME}", [package name])
AC_DEFINE_UNQUOTED(MIO_PACKAGE_URL, "${PACKAGE_URL}", [Project URL])
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AC_C_BIGENDIAN(
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[AC_DEFINE([MIO_ENDIAN_BIG],[],[Big Endian])],
[AC_DEFINE([MIO_ENDIAN_LITTLE],[],[Little Endian])],
[AC_DEFINE([MIO_ENDIAN_UNKNOWN],[],[Unknown Endian])])
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AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],[build the library in the debug mode (default. no)])],
enable_debug_is=$enableval,enable_debug_is=no)
if test "$enable_debug_is" = "yes"
then
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[CFLAGS="$CFLAGS -g -D_DEBUG -UNDEBUG -DMIO_BUILD_DEBUG -U_FORTIFY_SOURCE"]
[CXXFLAGS="$CXXFLAGS -g -D_DEBUG -UNDEBUG -DMIO_BUILD_DEBUG -U_FORTIFY_SOURCE"]
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AC_SUBST(BUILD_MODE, "debug")
else
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[CFLAGS="$CFLAGS -DNDEBUG -U_DEBUG -DMIO_BUILD_RELEASE -U_FORTIFY_SOURCE"]
[CXXFLAGS="$CXXFLAGS -DNDEBUG -U_DEBUG -DMIO_BUILD_RELEASE -U_FORTIFY_SOURCE"]
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AC_SUBST(BUILD_MODE, "release")
fi
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AC_ARG_ENABLE([unicode],
[AS_HELP_STRING([--enable-unicode],[Use the unicode character type as the default character type. one of yes, no, yes:2, yes:4, no:2, no:4 (default. yes)])],
enable_unicode=$enableval,
enable_unicode=yes
)
if test "${enable_unicode}" = "yes:4"
then
AC_DEFINE([MIO_UNICODE_SIZE],[4],[Unicode character type size])
AC_DEFINE([MIO_ENABLE_UNICODE],[1],[Use the unicode character type as the default character type])
if test "${platform_win32}" = "yes"
then
[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
[CXXFLAGS="$CXXFLAGS -DUNICODE -D_UNICODE"]
fi
elif test "${enable_unicode}" = "yes:2"
then
AC_DEFINE([MIO_UNICODE_SIZE],[2],[Unicode character type size])
AC_DEFINE([MIO_ENABLE_UNICODE],[1],[Use the unicode character type as the default character type])
if test "${platform_win32}" = "yes"
then
[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
[CXXFLAGS="$CXXFLAGS -DUNICODE -D_UNICODE"]
fi
elif test "${enable_unicode}" = "yes"
then
AC_DEFINE([MIO_UNICODE_SIZE],[1],[Unicode character type size])
AC_DEFINE([MIO_ENABLE_UNICODE],[1],[Use the unicode character type as the default character type])
if test "${platform_win32}" = "yes"
then
[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
[CXXFLAGS="$CXXFLAGS -DUNICODE -D_UNICODE"]
fi
elif test "${enable_unicode}" = "no:4"
then
AC_DEFINE([MIO_UNICODE_SIZE],[4],[Unicode character type size])
elif test "${enable_unicode}" = "no:2"
then
AC_DEFINE([MIO_UNICODE_SIZE],[2],[Unicode character type size])
else
AC_DEFINE([MIO_UNICODE_SIZE],[1],[Unicode character type size])
fi
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AC_ARG_ENABLE([cxx],
[AS_HELP_STRING([--enable-cxx],[build the library for C++ if a C++ compiler is available (default. yes)])],
enable_cxx_is=$enableval,
enable_cxx_is=yes
)
dnl disable c++ if no c++ compiler was found
test "${HAVE_CXX}" = "yes" || enable_cxx_is="no"
dnl disable c++ if the compiler is too old.
test "${ax_cv_cxx_have_std_namespace}" = "yes" || enable_cxx_is="no"
AM_CONDITIONAL(ENABLE_CXX, test "${enable_cxx_is}" = "yes" )
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AC_ARG_ENABLE([libunwind],
[AS_HELP_STRING([--enable-libunwind],[use libunwind(default. no)])],
enable_libunwind_is=$enableval,
enable_libunwind_is=no
)
if test "x${enable_libunwind_is}" = "xyes"
then
if test "x${ac_cv_header_libunwind_h}" = "xyes" -a "${UNWIND_LIBS}" != ""
then
AC_DEFINE([MIO_ENABLE_LIBUNWIND],[],[use libunwind for backtracing stack frames])
else
enable_libunwind_is="no"
fi
fi
AM_CONDITIONAL(ENABLE_LIBUNWIND, test "x${enable_libunwind_is}" = "xyes")
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AC_SUBST(MIO_SIZEOF_WCHAR_T, $ac_cv_sizeof_wchar_t)
AC_SUBST(MIO_SIZEOF_LONG_LONG, $ac_cv_sizeof_long_long)
AC_SUBST(MIO_SIZEOF_LONG, $ac_cv_sizeof_long)
AC_SUBST(MIO_SIZEOF_INT, $ac_cv_sizeof_int)
AC_SUBST(MIO_SIZEOF_SHORT, $ac_cv_sizeof_short)
AC_SUBST(MIO_SIZEOF_CHAR, $ac_cv_sizeof_char)
AC_SUBST(MIO_SIZEOF_VOID_P, $ac_cv_sizeof_void_p)
AC_SUBST(MIO_SIZEOF_FLOAT, $ac_cv_sizeof_float)
AC_SUBST(MIO_SIZEOF_DOUBLE, $ac_cv_sizeof_double)
AC_SUBST(MIO_SIZEOF_LONG_DOUBLE, $ac_cv_sizeof_long_double)
AC_SUBST(MIO_SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
AC_SUBST(MIO_SIZEOF_OFF64_T, $ac_cv_sizeof_off64_t)
AC_SUBST(MIO_PROJECT_AUTHOR, "${PACKAGE_BUGREPORT}")
AC_SUBST(MIO_PROJECT_URL, "${PACKAGE_URL}")
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AC_CONFIG_FILES([
Makefile
lib/Makefile
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bin/Makefile
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])
AC_OUTPUT
[
echo
echo "-[SUMMARY]---------------------------------------------------------------"
echo "Configured for ${host}"
echo " Build mode : ${BUILD_MODE}"
echo " Source directory: ${srcdir}"
echo " Installation directory: ${prefix}"
echo " C compiler: ${CC} ${CFLAGS}"
echo " C++ compiler: ${CXX} ${CXXFLAGS}"
echo " C++ support: ${enable_cxx_is}"
echo " Math library: ${LIBM}"
echo " Socket library: ${SOCKET_LIBS}"
echo " Sendfile library: ${SENDFILE_LIBS}"
echo " SSL library: ${SSL_LIBS}"
echo "-------------------------------------------------------------------------"
]
