Add dedicated test for getaddrinfo(). Tru64 UNIX contains two

versions of getaddrinfo and we must include netdb.h to get the
proper definition.
This commit is contained in:
Todd C. Miller
2013-11-20 12:04:47 -07:00
parent ba40be9dd2
commit 6a1d1e1483
5 changed files with 160 additions and 90 deletions

View File

@@ -157,6 +157,7 @@ install-sh
ltmain.sh
m4/ax_check_compile_flag.m4
m4/ax_check_link_flag.m4
m4/ax_func_getaddrinfo.m4
m4/ax_func_snprintf.m4
m4/libtool.m4
m4/ltoptions.m4

1
aclocal.m4 vendored
View File

@@ -128,6 +128,7 @@ AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
m4_include([m4/ax_check_compile_flag.m4])
m4_include([m4/ax_check_link_flag.m4])
m4_include([m4/ax_func_getaddrinfo.m4])
m4_include([m4/ax_func_snprintf.m4])
m4_include([m4/libtool.m4])
m4_include([m4/ltoptions.m4])

141
configure vendored
View File

@@ -18518,84 +18518,93 @@ $as_echo "no" >&6; }
fi
for ac_func in getaddrinfo
do :
ac_fn_c_check_func "$LINENO" "getaddrinfo" "ac_cv_func_getaddrinfo"
if test "x$ac_cv_func_getaddrinfo" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_GETADDRINFO 1
_ACEOF
else
found=no
for libs in "-lsocket" "-linet" "-lsocket -lnsl"; do
_libs=
for lib in $libs; do
case "$NET_LIBS" in
*"$lib"*) ;;
*) _libs="$_libs $lib";;
esac
done
libs="${_libs# }"
test -z "$libs" && continue
lib="`echo \"$libs\"|sed -e 's/^-l//' -e 's/ .*$//'`"
extralibs="`echo \"$libs\"|sed 's/^-l[^ ]*//'`"
_sudo_check_lib_extras=`echo "$extralibs"|sed -e 's/ *//g' -e 's/-l/_/g'`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo in -l$lib${5+ }$extralibs" >&5
$as_echo_n "checking for getaddrinfo in -l$lib${5+ }$extralibs... " >&6; }
if { as_var=sudo_cv_lib_$lib''_getaddrinfo$_sudo_check_lib_extras; eval \${$as_var+:} false; }; then :
#
# Check for getaddrinfo and add any required libs to NET_LIBS
#
OLIBS="$LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo" >&5
$as_echo_n "checking for getaddrinfo... " >&6; }
if ${ax_cv_func_getaddrinfo+:} false; then :
$as_echo_n "(cached) " >&6
else
SUDO_CHECK_LIB_OLIBS="$LIBS"
LIBS="$LIBS -l$lib${5+ }$extralibs"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char getaddrinfo ();
int
main ()
{
return getaddrinfo ();
;
return 0;
}
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main() { return getaddrinfo(NULL, NULL, NULL, NULL); }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
eval sudo_cv_lib_$lib''_getaddrinfo$_sudo_check_lib_extras=yes
ax_cv_func_getaddrinfo=yes
else
eval sudo_cv_lib_$lib''_getaddrinfo$_sudo_check_lib_extras=no
ax_cv_func_getaddrinfo=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS="$SUDO_CHECK_LIB_OLIBS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_func_getaddrinfo" >&5
$as_echo "$ax_cv_func_getaddrinfo" >&6; }
if test X"$ax_cv_func_getaddrinfo" = X"yes"; then
$as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h
else
# Not found in libc, check libsocket and libinet
_found=no
for _libs in "-lsocket" "-linet" "-lsocket -lnsl"; do
_cv="ax_cv_lib_getaddrinfo`echo \"$_libs\"|sed -e 's/-l/_/g' -e 's/ *//g'`"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo in $_libs" >&5
$as_echo_n "checking for getaddrinfo in $_libs... " >&6; }
if eval \${$_cv+:} false; then :
$as_echo_n "(cached) " >&6
else
_nlibs=
for _l in $_libs; do
case "$LIBS" in
*"$_l"*) ;;
*) _nlibs="$_nlibs $_l";;
esac
done
_libs="${_nlibs# }"
if test -z "$_libs"; then
# No new libs to check
eval $_cv=no
else
AX_FUNC_GETADDRINFO_OLIBS="$LIBS"
LIBS="$LIBS $_libs"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main() { return getaddrinfo(NULL, NULL, NULL, NULL); }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
eval $_cv=yes
else
eval $_cv=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS="$AX_FUNC_GETADDRINFO_OLIBS"
fi
fi
if eval test \$sudo_cv_lib_$lib''_getaddrinfo$_sudo_check_lib_extras = "yes"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
if eval test \$$_cv = "yes"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
NET_LIBS="${NET_LIBS} $libs"; LIBS="${LIBS} $libs"; found=yes; break
else
$as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h
test -n "$_libs" && LIBS="$LIBS $_libs"
break
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
done
if test X"$found" != X"no"; then
$as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h
else
if eval test \$$_cv != "yes"; then
case " $LIBOBJS " in
*" getaddrinfo.$ac_objext "* ) ;;
*) LIBOBJS="$LIBOBJS getaddrinfo.$ac_objext"
@@ -18603,10 +18612,14 @@ $as_echo "no" >&6; }
esac
fi
fi
done
for lib in $LIBS; do
case "$OLIBS" in
*"$lib"*) ;;
*) NET_LIBS="$NET_LIBS $lib";;
esac
done
for ac_func in getprogname
do :
ac_fn_c_check_func "$LINENO" "getprogname" "ac_cv_func_getprogname"

View File

@@ -2533,32 +2533,17 @@ AC_CHECK_FUNC(syslog, [], [
SUDO_CHECK_LIB($lib, syslog, [NET_LIBS="${NET_LIBS} $libs"; LIBS="${LIBS} $libs"; break], [], [$extralibs])
done
])
dnl
dnl If getaddrinfo(3) not in libc, check -lsocket and -linet
dnl May need to link with *both* -lnsl and -lsocket due to unresolved symbols.
dnl
AC_CHECK_FUNCS(getaddrinfo, [], [
found=no
for libs in "-lsocket" "-linet" "-lsocket -lnsl"; do
_libs=
for lib in $libs; do
case "$NET_LIBS" in
*"$lib"*) ;;
*) _libs="$_libs $lib";;
esac
done
libs="${_libs# }"
test -z "$libs" && continue
lib="`echo \"$libs\"|sed -e 's/^-l//' -e 's/ .*$//'`"
extralibs="`echo \"$libs\"|sed 's/^-l[[^ ]]*//'`"
SUDO_CHECK_LIB($lib, getaddrinfo, [NET_LIBS="${NET_LIBS} $libs"; LIBS="${LIBS} $libs"; found=yes; break], [], [$extralibs])
done
if test X"$found" != X"no"; then
AC_DEFINE(HAVE_GETADDRINFO)
else
AC_LIBOBJ(getaddrinfo)
fi
])
#
# Check for getaddrinfo and add any required libs to NET_LIBS
#
OLIBS="$LIBS"
AX_FUNC_GETADDRINFO
for lib in $LIBS; do
case "$OLIBS" in
*"$lib"*) ;;
*) NET_LIBS="$NET_LIBS $lib";;
esac
done
dnl
dnl Check for getprogname() or __progname
dnl

70
m4/ax_func_getaddrinfo.m4 Normal file
View File

@@ -0,0 +1,70 @@
#
# SYNOPSIS
#
# AX_FUNC_GETADDRINFO
#
# DESCRIPTION
#
# Checks for the getaddrinfo function in the standard C library,
# as well as the socket and inet libraries, if they are present.
# If extra libraries are required, they are added to LIBS.
# If no getaddrinfo function is found, it is added to LIBOBJS.
# Note: Tru64 UNIX contains two versions of getaddrinfo and we must
# include netdb.h to get the proper definition.
#
# LICENSE
#
# Placed in the public domain by Todd C. Miller on November 20, 2013.
#
AC_DEFUN([AX_FUNC_GETADDRINFO],
[AC_MSG_CHECKING(for getaddrinfo)
AC_CACHE_VAL(ax_cv_func_getaddrinfo,
[AC_LINK_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main() { return getaddrinfo(NULL, NULL, NULL, NULL); }]])], [ax_cv_func_getaddrinfo=yes], [ax_cv_func_getaddrinfo=no])])
AC_MSG_RESULT([$ax_cv_func_getaddrinfo])
if test X"$ax_cv_func_getaddrinfo" = X"yes"; then
AC_DEFINE(HAVE_GETADDRINFO, 1, [Define to 1 if you have the `getaddrinfo' function.])
else
# Not found in libc, check libsocket and libinet
_found=no
for _libs in "-lsocket" "-linet" "-lsocket -lnsl"; do
_cv="ax_cv_lib_getaddrinfo`echo \"$_libs\"|sed -e 's/-l/_/g' -e 's/ *//g'`"
AC_MSG_CHECKING([for getaddrinfo in $_libs])
AC_CACHE_VAL([$_cv], [
_nlibs=
for _l in $_libs; do
case "$LIBS" in
*"$_l"*) ;;
*) _nlibs="$_nlibs $_l";;
esac
done
_libs="${_nlibs# }"
if test -z "$_libs"; then
# No new libs to check
eval $_cv=no
else
AX_FUNC_GETADDRINFO_OLIBS="$LIBS"
LIBS="$LIBS $_libs"
AC_LINK_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main() { return getaddrinfo(NULL, NULL, NULL, NULL); }]])], [eval $_cv=yes], [eval $_cv=no])
LIBS="$AX_FUNC_GETADDRINFO_OLIBS"
fi
])
if eval test \$$_cv = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETADDRINFO)
test -n "$_libs" && LIBS="$LIBS $_libs"
break
fi
AC_MSG_RESULT([no])
done
if eval test \$$_cv != "yes"; then
AC_LIBOBJ(getaddrinfo)
fi
fi
])