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AC_DEFINE_UNQUOTED(SEND_TYPE_ARG3, $[3],
[Define to the type of arg 3 for send.])
AC_DEFINE_UNQUOTED(SEND_TYPE_ARG4, $[4],
[Define to the type of arg 4 for send.])
AC_DEFINE_UNQUOTED(SEND_TYPE_RETV, $[5],
[Define to the function return type for send.])
#
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*f*)
;;
*)
set -f
;;
esac
#
case "$send_qual_type_arg2" in
const*)
send_qual_arg2=const
send_type_arg2=`echo $send_qual_type_arg2 | sed 's/^const //'`
;;
*)
send_qual_arg2=
send_type_arg2=$send_qual_type_arg2
;;
esac
#
AC_DEFINE_UNQUOTED(SEND_QUAL_ARG2, $send_qual_arg2,
[Define to the type qualifier of arg 2 for send.])
AC_DEFINE_UNQUOTED(SEND_TYPE_ARG2, $send_type_arg2,
[Define to the type of arg 2 for send.])
#
*f*)
;;
*)
set +f
;;
esac
#
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AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
[Define to 1 if you have the send function.])
ac_cv_func_send="yes"
fi
else
AC_MSG_ERROR([Unable to link function send])
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fi
]) # AC_DEFUN
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dnl CURL_CHECK_FUNC_RECVFROM
dnl -------------------------------------------------
dnl Test if the socket recvfrom() function is available,
dnl and check its return type and the types of its
dnl arguments. If the function succeeds HAVE_RECVFROM
dnl will be defined, defining the types of the arguments
dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on
dnl to RECVFROM_TYPE_ARG6, defining also the type of the
dnl function return value in RECVFROM_TYPE_RETV.
AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
AC_CHECK_HEADERS(sys/types.h sys/socket.h)
#
AC_MSG_CHECKING([for recvfrom])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
]],[[
recvfrom(0, 0, 0, 0, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_recvfrom="yes"
],[
AC_MSG_RESULT([no])
curl_cv_recvfrom="no"
])
#
if test "$curl_cv_recvfrom" = "yes"; then
AC_CACHE_CHECK([types of args and return type for recvfrom],
[curl_cv_func_recvfrom_args], [
curl_cv_func_recvfrom_args="unknown"
for recvfrom_retv in 'int' 'ssize_t'; do
for recvfrom_arg1 in 'int' 'ssize_t' 'SOCKET'; do
for recvfrom_arg2 in 'char *' 'void *'; do
for recvfrom_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
for recvfrom_arg4 in 'int' 'unsigned int'; do
for recvfrom_arg5 in 'struct sockaddr *' 'void *'; do
for recvfrom_arg6 in 'socklen_t *' 'int *' 'unsigned int *' 'size_t *'; do
if test "$curl_cv_func_recvfrom_args" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#define RECVFROMCALLCONV PASCAL
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#define RECVFROMCALLCONV
#endif
extern $recvfrom_retv RECVFROMCALLCONV
recvfrom($recvfrom_arg1, $recvfrom_arg2,
$recvfrom_arg3, $recvfrom_arg4,
$recvfrom_arg5, $recvfrom_arg6);
]],[[
$recvfrom_arg1 s=0;
$recvfrom_arg2 buf=0;
$recvfrom_arg3 len=0;
$recvfrom_arg4 flags=0;
$recvfrom_arg5 addr=0;
$recvfrom_arg6 addrlen=0;
$recvfrom_retv res=0;
res = recvfrom(s, buf, len, flags, addr, addrlen);
]])
],[
curl_cv_func_recvfrom_args="$recvfrom_arg1,$recvfrom_arg2,$recvfrom_arg3,$recvfrom_arg4,$recvfrom_arg5,$recvfrom_arg6,$recvfrom_retv"
])
fi
done
done
done
done
done
done
done
]) # AC_CACHE_CHECK
if test "$curl_cv_func_recvfrom_args" = "unknown"; then
AC_MSG_ERROR([Cannot find proper types to use for recvfrom args])
else
recvfrom_prev_IFS=$IFS; IFS=','
set dummy `echo "$curl_cv_func_recvfrom_args" | sed 's/\*/\*/g'`
IFS=$recvfrom_prev_IFS
shift
#
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG1, $[1],
[Define to the type of arg 1 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2, $[2],
[Define to the type of arg 2 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG3, $[3],
[Define to the type of arg 3 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG4, $[4],
[Define to the type of arg 4 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5, $[5],
[Define to the type of arg 5 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6, $[6],
[Define to the type of arg 6 for recvfrom.])
AC_DEFINE_UNQUOTED(RECVFROM_TYPE_RETV, $[7],
[Define to the function return type for recvfrom.])
#
AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1,
[Define to 1 if you have the recvfrom function.])
ac_cv_func_recvfrom="yes"
fi
else
AC_MSG_ERROR([Unable to link function recvfrom])
fi
]) # AC_DEFUN
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dnl CURL_CHECK_MSG_NOSIGNAL
dnl -------------------------------------------------
dnl Check for MSG_NOSIGNAL
AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [
AC_CHECK_HEADERS(sys/types.h sys/socket.h)
AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
AC_COMPILE_IFELSE([
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#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
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#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
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#endif
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#endif
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int flag=MSG_NOSIGNAL;
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],[
ac_cv_msg_nosignal="yes"
],[
ac_cv_msg_nosignal="no"
])
])
case "$ac_cv_msg_nosignal" in
yes)
AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1,
[Define to 1 if you have the MSG_NOSIGNAL flag.])
;;
esac
]) # AC_DEFUN
dnl CURL_CHECK_STRUCT_TIMEVAL
dnl -------------------------------------------------
dnl Check for timeval struct
AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
AC_CACHE_CHECK([for struct timeval], [ac_cv_struct_timeval], [
AC_COMPILE_IFELSE([
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#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
struct timeval ts;
ts.tv_sec = 0;
ts.tv_usec = 0;
],[
ac_cv_struct_timeval="yes"
],[
ac_cv_struct_timeval="no"
])
])
case "$ac_cv_struct_timeval" in
yes)
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
[Define to 1 if you have the timeval struct.])
;;
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esac
]) # AC_DEFUN
dnl TYPE_SIG_ATOMIC_T
dnl -------------------------------------------------
dnl Check if the sig_atomic_t type is available, and
dnl verify if it is already defined as volatile.
AC_DEFUN([TYPE_SIG_ATOMIC_T], [
AC_CHECK_HEADERS(signal.h)
AC_CHECK_TYPE([sig_atomic_t],[
AC_DEFINE(HAVE_SIG_ATOMIC_T, 1,
[Define to 1 if sig_atomic_t is an available typedef.])
], ,[
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
])
case "$ac_cv_type_sig_atomic_t" in
yes)
#
AC_MSG_CHECKING([if sig_atomic_t is already defined as volatile])
AC_LINK_IFELSE([
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
static volatile sig_atomic_t dummy = 0;
],[
AC_MSG_RESULT([no])
ac_cv_sig_atomic_t_volatile="no"
],[
AC_MSG_RESULT([yes])
ac_cv_sig_atomic_t_volatile="yes"
])
#
if test "$ac_cv_sig_atomic_t_volatile" = "yes"; then
AC_DEFINE(HAVE_SIG_ATOMIC_T_VOLATILE, 1,
[Define to 1 if sig_atomic_t is already defined as volatile.])
fi
;;
Yang Tse
committed
esac
]) # AC_DEFUN
dnl CURL_CHECK_NONBLOCKING_SOCKET
dnl -------------------------------------------------
Dominick Meglio
committed
dnl Check for how to set a socket to non-blocking state. There seems to exist
dnl four known different ways, with the one used almost everywhere being POSIX
dnl and XPG3, while the other different ways for different systems (old BSD,
dnl Windows and Amiga).
dnl
dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the
dnl O_NONBLOCK define is found but does not work. This condition is attempted
dnl to get caught in this script by using an excessive number of #ifdefs...
AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET], [
AC_MSG_CHECKING([non-blocking sockets style])
nonblock="unknown"
#
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
Dominick Meglio
committed
/* headers for O_NONBLOCK test */
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
/* */
#if defined(sun) || defined(__sun__) || \
defined(__SUNPRO_C) || defined(__SUNPRO_CC)
Dominick Meglio
committed
# if defined(__SVR4) || defined(__srv4__)
# define PLATFORM_SOLARIS
# else
# define PLATFORM_SUNOS4
# endif
#endif
#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX41)
Dominick Meglio
committed
# define PLATFORM_AIX_V3
#endif
Dominick Meglio
committed
#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)
#error "O_NONBLOCK does not work on this platform"
#endif
]],[[
/* O_NONBLOCK source test */
int socket;
int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
]])
],[
dnl the O_NONBLOCK test was fine
nonblock="O_NONBLOCK"
AC_DEFINE(HAVE_O_NONBLOCK, 1,
[use O_NONBLOCK for non-blocking sockets])
])
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
Dominick Meglio
committed
/* headers for FIONBIO test */
#include <unistd.h>
#include <stropts.h>
]],[[
/* FIONBIO source test (old-style unix) */
int socket;
int flags = ioctl(socket, FIONBIO, &flags);
]])
],[
dnl FIONBIO test was good
nonblock="FIONBIO"
AC_DEFINE(HAVE_FIONBIO, 1,
[use FIONBIO for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* headers for ioctlsocket test (Windows) */
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
Dominick Meglio
committed
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
]],[[
/* ioctlsocket source code (Windows) */
SOCKET sd;
unsigned long flags = 0;
sd = socket(0, 0, 0);
ioctlsocket(sd, FIONBIO, &flags);
]])
],[
dnl ioctlsocket test was good
nonblock="ioctlsocket"
AC_DEFINE(HAVE_IOCTLSOCKET, 1,
[use ioctlsocket() for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
Dominick Meglio
committed
/* headers for IoctlSocket test (Amiga?) */
#include <sys/ioctl.h>
]],[[
/* IoctlSocket source code (Amiga?) */
int socket;
int flags = IoctlSocket(socket, FIONBIO, (long)1);
]])
],[
dnl Ioctlsocket test was good
nonblock="IoctlSocket"
AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1,
[use Ioctlsocket() for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
Dominick Meglio
committed
/* headers for SO_NONBLOCK test (BeOS) */
#include <socket.h>
]],[[
/* SO_NONBLOCK source code (BeOS) */
long b = 1;
int socket;
int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
]])
],[
dnl the SO_NONBLOCK test was good
nonblock="SO_NONBLOCK"
AC_DEFINE(HAVE_SO_NONBLOCK, 1,
[use SO_NONBLOCK for non-blocking sockets])
])
fi
#
Dominick Meglio
committed
AC_MSG_RESULT($nonblock)
#
if test "$nonblock" = "unknown"; then
AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1,
[disabled non-blocking sockets])
Dominick Meglio
committed
AC_MSG_WARN([non-block sockets disabled])
fi
])
dnl TYPE_IN_ADDR_T
dnl -------------------------------------------------
dnl Check for in_addr_t: it is used to receive the return code of inet_addr()
dnl and a few other things.
AC_DEFUN([TYPE_IN_ADDR_T], [
AC_CHECK_TYPE([in_addr_t], ,[
dnl in_addr_t not available
AC_CACHE_CHECK([for in_addr_t equivalent],
[curl_cv_in_addr_t_equiv], [
curl_cv_in_addr_t_equiv="unknown"
for t in "unsigned long" int size_t unsigned long; do
if test "$curl_cv_in_addr_t_equiv" = "unknown"; then
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
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#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
]],[[
$t data = inet_addr ("1.2.3.4");
]])
],[
curl_cv_in_addr_t_equiv="$t"
])
fi
done
])
case "$curl_cv_in_addr_t_equiv" in
unknown)
AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t])
;;
*)
AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv,
[Type to use in place of in_addr_t when system does not provide it.])
;;
esac
],[
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#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl Check if monotonic clock_gettime is available.
AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
AC_MSG_CHECKING([for monotonic clock_gettime])
AC_COMPILE_IFELSE([
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
],[
AC_MSG_RESULT([yes])
ac_cv_func_clock_gettime="yes"
],[
AC_MSG_RESULT([no])
ac_cv_func_clock_gettime="no"
])
dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed
dnl until library linking and run-time checks for clock_gettime succeed.
]) dnl AC_DEFUN
dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl If monotonic clock_gettime is available then,
dnl check and prepended to LIBS any needed libraries.
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl
if test "$ac_cv_func_clock_gettime" = "yes"; then
#
AC_MSG_CHECKING([for clock_gettime in libraries])
#
curl_cv_save_LIBS="$LIBS"
curl_cv_gclk_LIBS="unknown"
#
for x_xlibs in '' '-lrt' '-lposix4' ; do
if test "$curl_cv_gclk_LIBS" = "unknown"; then
if test -z "$x_xlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_xlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
]])
],[
curl_cv_gclk_LIBS="$x_xlibs"
])
fi
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done
#
LIBS="$curl_cv_save_LIBS"
#
case X-"$curl_cv_gclk_LIBS" in
X-unknown)
AC_MSG_RESULT([cannot find clock_gettime])
AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
ac_cv_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
ac_cv_func_clock_gettime="yes"
;;
*)
if test -z "$curl_cv_save_LIBS"; then
LIBS="$curl_cv_gclk_LIBS"
else
LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
fi
AC_MSG_RESULT([$curl_cv_gclk_LIBS])
ac_cv_func_clock_gettime="yes"
;;
esac
#
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dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$ac_cv_func_clock_gettime" = "yes"; then
AC_MSG_CHECKING([if monotonic clock_gettime works])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
]],[[
struct timespec ts;
if (0 == clock_gettime(CLOCK_MONOTONIC, &ts))
exit(0);
else
exit(1);
]])
],[
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
ac_cv_func_clock_gettime="no"
LIBS="$curl_cv_save_LIBS"
])
fi
#
case "$ac_cv_func_clock_gettime" in
yes)
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1,
[Define to 1 if you have the clock_gettime function and monotonic timer.])
;;
esac
#
fi
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dnl **********************************************************************
dnl CURL_DETECT_ICC ([ACTION-IF-YES])
dnl
dnl check if this is the Intel ICC compiler, and if so run the ACTION-IF-YES
dnl sets the $ICC variable to "yes" or "no"
dnl **********************************************************************
AC_DEFUN([CURL_DETECT_ICC],
[
ICC="no"
AC_MSG_CHECKING([for icc in use])
if test "$GCC" = "yes"; then
dnl check if this is icc acting as gcc in disguise
AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
dnl action if the text is found, this it has not been replaced by the
dnl cpp
ICC="no",
dnl the text was not found, it was replaced by the cpp
ICC="yes"
AC_MSG_RESULT([yes])
[$1]
)
fi
if test "$ICC" = "no"; then
# this is not ICC
AC_MSG_RESULT([no])
fi
])
Dominick Meglio
committed
dnl We create a function for detecting which compiler we use and then set as
dnl pendantic compiler options as possible for that particular compiler. The
dnl options are only used for debug-builds.
dnl This is a copy of the original found in curl's configure script. Don't
dnl modify this one, edit the one in curl and copy it back here when that one
dnl is changed.
AC_DEFUN([CURL_CC_DEBUG_OPTS],
[
if test "z$ICC" = "z"; then
CURL_DETECT_ICC
fi
Dominick Meglio
committed
if test "$GCC" = "yes"; then
dnl figure out gcc version!
AC_MSG_CHECKING([gcc version])
gccver=`$CC -dumpversion`
num1=`echo $gccver | cut -d . -f1`
num2=`echo $gccver | cut -d . -f2`
gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
AC_MSG_RESULT($gccver)
if test "$ICC" = "yes"; then
dnl this is icc, not gcc.
dnl ICC warnings we ignore:
dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
dnl "invalid format string conversion"
dnl * 279 warns on static conditions in while expressions
dnl * 981 warns on "operands are evaluated in unspecified order"
dnl * 1418 "external definition with no prior declaration"
dnl * 1419 warns on "external declaration in primary source file"
dnl which we know and do on purpose.
Dominick Meglio
committed
WARN="-wd279,269,981,1418,1419"
Dominick Meglio
committed
if test "$gccnum" -gt "600"; then
dnl icc 6.0 and older doesn't have the -Wall flag
WARN="-Wall $WARN"
fi
else dnl $ICC = yes
dnl this is a set of options we believe *ALL* gcc versions support:
WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
Dominick Meglio
committed
dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
if test "$gccnum" -ge "207"; then
dnl gcc 2.7 or later
WARN="$WARN -Wmissing-declarations"
fi
if test "$gccnum" -gt "295"; then
dnl only if the compiler is newer than 2.95 since we got lots of
dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
dnl gcc 2.95.4 on FreeBSD 4.9!
WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
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committed
if test "$gccnum" -ge "296"; then
dnl gcc 2.96 or later
WARN="$WARN -Wfloat-equal"
Dominick Meglio
committed
if test "$gccnum" -gt "296"; then
dnl this option does not exist in 2.96
WARN="$WARN -Wno-format-nonliteral"
fi
dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
dnl on i686-Linux as it gives us heaps with false positives.
dnl Also, on gcc 4.0.X it is totally unbearable and complains all
dnl over making it unusable for generic purposes. Let's not use it.
if test "$gccnum" -ge "303"; then
dnl gcc 3.3 and later
WARN="$WARN -Wendif-labels -Wstrict-prototypes"
fi
if test "$gccnum" -ge "304"; then
# try these on gcc 3.4
WARN="$WARN -Wdeclaration-after-statement"
Dominick Meglio
committed
fi
for flag in $CPPFLAGS; do
case "$flag" in
-I*)
dnl Include path, provide a -isystem option for the same dir
dnl to prevent warnings in those dirs. The -isystem was not very
dnl reliable on earlier gcc versions.
Dominick Meglio
committed
add=`echo $flag | sed 's/^-I/-isystem /g'`
WARN="$WARN $add"
;;
esac
done
fi dnl $ICC = no
CFLAGS="$CFLAGS $WARN"
AC_MSG_NOTICE([Added this set of compiler options: $WARN])
else dnl $GCC = yes
AC_MSG_NOTICE([Added no extra compiler options])
Dominick Meglio
committed
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fi dnl $GCC = yes
dnl strip off optimizer flags
NEWFLAGS=""
for flag in $CFLAGS; do
case "$flag" in
-O*)
dnl echo "cut off $flag"
;;
*)
NEWFLAGS="$NEWFLAGS $flag"
;;
esac
done
CFLAGS=$NEWFLAGS
]) dnl end of AC_DEFUN()
dnl This macro determines if the specified struct exists in the specified file
dnl Syntax:
dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])
AC_DEFUN([CARES_CHECK_STRUCT], [
AC_MSG_CHECKING([for struct $2])
AC_TRY_COMPILE([$1],
[
struct $2 struct_instance;
], ac_struct="yes", ac_found="no")
if test "$ac_struct" = "yes" ; then
AC_MSG_RESULT(yes)
$3
else
AC_MSG_RESULT(no)
$4
fi
])
dnl This macro determines if the specified constant exists in the specified file
dnl Syntax:
dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
AC_DEFUN([CARES_CHECK_CONSTANT], [
AC_MSG_CHECKING([for $2])
AC_EGREP_CPP(VARIABLEWASDEFINED,
[
$1
#ifdef $2
VARIABLEWASDEFINED
#else
NJET
#endif
], ac_constant="yes", ac_constant="no"
)
if test "$ac_constant" = "yes" ; then
AC_MSG_RESULT(yes)
$3
else
AC_MSG_RESULT(no)
$4
fi
])
dnl CARES_CHECK_GETSERVBYPORT_R
dnl -------------------------------------------------
dnl Test if the getservbyport_r function is available,
dnl and find out how many parameters it takes.
Dominick Meglio
committed
AC_DEFUN([CARES_CHECK_GETSERVBYPORT_R], [
AC_CHECK_HEADERS(sys/types.h netdb.h)
#
AC_MSG_CHECKING([for getservbyport_r])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([getservbyport_r])
],[
AC_MSG_RESULT([yes])
cares_cv_getservbyport_r="yes"
AC_MSG_RESULT([no])
cares_cv_getservbyport_r="no"
#
if test "$cares_cv_getservbyport_r" != "yes"; then
AC_MSG_CHECKING([deeper for getservbyport_r])
AC_LINK_IFELSE([
getservbyport_r();
AC_MSG_RESULT([yes])
cares_cv_getservbyport_r="yes"
],[
AC_MSG_RESULT([but still no])
cares_cv_getservbyport_r="no"
#
if test "$cares_cv_getservbyport_r" = "yes"; then
AC_MSG_CHECKING([how many arguments getservbyport_r takes])
cares_cv_getservbyport_r_nargs="unknown"
#
AC_COMPILE_IFELSE([
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
int p1, p5;
char *p2, p4[4096];
struct servent *p3, *p6;
getservbyport_r(p1, p2, p3, p4, p5, &p6);
cares_cv_getservbyport_r_nargs="6"