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{
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($ac_cv_snprintf_useful_ret)])
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{
return (snprintf(NULL, 0, "asd") == 3 ? 0 : 1);
}],
ac_cv_snprintf_useful_ret="yes",
ac_cv_snprintf_useful_ret="no",
ac_cv_snprintf_useful_ret="no")])
AC_MSG_RESULT($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*)
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#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)
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#include <netdb.h>
#else
#define _WIN32_WINNT 0x0501
#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])
AC_MSG_CHECKING(whether getaddrinfo is thread-safe)
case "$host_os" in
darwin[[12345]].*)
have_threadsafe_getaddrinfo="no"
;;
darwin*)
have_threadsafe_getaddrinfo="yes"
;;
freebsd[[1234]].* | freebsd5.[[1234]]*)
have_threadsafe_getaddrinfo="no"
;;
freebsd*)
have_threadsafe_getaddrinfo="yes"
;;
netbsd[[123]].*)
have_threadsafe_getaddrinfo="no"
;;
netbsd*)
have_threadsafe_getaddrinfo="yes"
;;
solaris*)
have_threadsafe_getaddrinfo="yes"
;;
*)
have_threadsafe_getaddrinfo="unknown"
;;
esac
if test x"$have_threadsafe_getaddrinfo" = x"unknown"; then
AC_EGREP_CPP(yes, [
#include <netdb.h>
#ifdef h_errno
yes
#end
],
[have_threadsafe_getaddrinfo="yes"],
[have_threadsafe_getaddrinfo="no"])
fi
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_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)
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