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Add code to test for all sorts of gethostbyname_r variants, 

donated by David Arnold.
This commit is contained in:
Guido van Rossum 1999-03-22 21:49:51 +00:00
parent 7152e9b483
commit a96f0ba7cc
2 changed files with 315 additions and 21 deletions
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271
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh
# From configure.in Revision: 1.97
# From configure.in Revision: 1.99
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13
@ -3155,7 +3155,7 @@ fi
# checks for library functions
for ac_func in alarm chown clock dlopen execv flock fork \
fsync fdatasync ftime ftruncate \
gethostname_r getpeername getpgrp getpid getpwent gettimeofday getwd \
getpeername getpgrp getpid getpwent gettimeofday getwd \
kill link lstat mkfifo mktime nice pause plock pthread_init putenv readlink \
select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
sigaction siginterrupt sigrelse strftime strptime symlink \
@ -4081,12 +4081,239 @@ fi
rm -f conftest*
echo "$ac_t""$va_list_is_array" 1>&6
# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
echo "configure:4087: checking for gethostbyname_r" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4092 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname_r(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char gethostbyname_r();
int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_gethostbyname_r) || defined (__stub___gethostbyname_r)
choke me
#else
gethostbyname_r();
#endif
; return 0; }
EOF
if { (eval echo configure:4115: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname_r=yes"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func_gethostbyname_r=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'gethostbyname_r`\" = yes"; then
echo "$ac_t""yes" 1>&6
cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R 1
EOF
echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
echo "configure:4135: checking gethostbyname_r with 6 args" >&5
OLD_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
cat > conftest.$ac_ext <<EOF
#line 4139 "configure"
#include "confdefs.h"
# include <netdb.h>
int main() {
char *name;
struct hostent *he, *res;
char buffer[2048];
int buflen = 2048;
int h_errnop;
(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
; return 0; }
EOF
if { (eval echo configure:4156: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R_6_ARG 1
EOF
echo "$ac_t""yes" 1>&6
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
echo "$ac_t""no" 1>&6
echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
echo "configure:4172: checking gethostbyname_r with 5 args" >&5
cat > conftest.$ac_ext <<EOF
#line 4174 "configure"
#include "confdefs.h"
# include <netdb.h>
int main() {
char *name;
struct hostent *he;
char buffer[2048];
int buflen = 2048;
int h_errnop;
(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
; return 0; }
EOF
if { (eval echo configure:4191: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R_5_ARG 1
EOF
echo "$ac_t""yes" 1>&6
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
echo "$ac_t""no" 1>&6
echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
echo "configure:4207: checking gethostbyname_r with 3 args" >&5
cat > conftest.$ac_ext <<EOF
#line 4209 "configure"
#include "confdefs.h"
# include <netdb.h>
int main() {
char *name;
struct hostent *he;
struct hostent_data data;
(void) gethostbyname_r(name, he, &data);
; return 0; }
EOF
if { (eval echo configure:4224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME_R_3_ARG 1
EOF
echo "$ac_t""yes" 1>&6
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
echo "$ac_t""no" 1>&6
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
CFLAGS=$OLD_CFLAGS
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
echo "configure:4254: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4259 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char gethostbyname();
int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_gethostbyname) || defined (__stub___gethostbyname)
choke me
#else
gethostbyname();
#endif
; return 0; }
EOF
if { (eval echo configure:4282: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func_gethostbyname=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
echo "$ac_t""yes" 1>&6
cat >> confdefs.h <<\EOF
#define HAVE_GETHOSTBYNAME 1
EOF
else
echo "$ac_t""no" 1>&6
fi
fi
# checks for system services
# (none yet)
# Linux requires this for correct f.p. operations
echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
echo "configure:4090: checking for __fpu_control in -lieee" >&5
echo "configure:4317: checking for __fpu_control in -lieee" >&5
ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -4094,7 +4321,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lieee $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4098 "configure"
#line 4325 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@ -4105,7 +4332,7 @@ int main() {
__fpu_control()
; return 0; }
EOF
if { (eval echo configure:4109: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -4135,7 +4362,7 @@ fi
# Check for --with-fpectl
echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
echo "configure:4139: checking for --with-fpectl" >&5
echo "configure:4366: checking for --with-fpectl" >&5
# Check whether --with-fpectl or --without-fpectl was given.
if test "${with_fpectl+set}" = set; then
withval="$with_fpectl"
@ -4158,7 +4385,7 @@ BeOS) ;;
*) LIBM=-lm
esac
echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
echo "configure:4162: checking for --with-libm=STRING" >&5
echo "configure:4389: checking for --with-libm=STRING" >&5
# Check whether --with-libm or --without-libm was given.
if test "${with_libm+set}" = set; then
withval="$with_libm"
@ -4179,7 +4406,7 @@ fi
# check for --with-libc=...
echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
echo "configure:4183: checking for --with-libc=STRING" >&5
echo "configure:4410: checking for --with-libc=STRING" >&5
# Check whether --with-libc or --without-libc was given.
if test "${with_libc+set}" = set; then
withval="$with_libc"
@ -4203,12 +4430,12 @@ LIBS="$LIBS $LIBM"
for ac_func in hypot
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:4207: checking for $ac_func" >&5
echo "configure:4434: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4212 "configure"
#line 4439 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -4231,7 +4458,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:4235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4462: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -4258,12 +4485,12 @@ done
for ac_func in hypot
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:4262: checking for $ac_func" >&5
echo "configure:4489: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4267 "configure"
#line 4494 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -4286,7 +4513,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:4290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4517: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -4316,7 +4543,7 @@ LIBS=$LIBS_SAVE
# check for getopt
echo $ac_n "checking for genuine getopt""... $ac_c" 1>&6
echo "configure:4320: checking for genuine getopt" >&5
echo "configure:4547: checking for genuine getopt" >&5
if eval "test \"`echo '$''{'ac_cv_func_getopt'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -4324,7 +4551,7 @@ else
ac_cv_func_getopt=no
else
cat > conftest.$ac_ext <<EOF
#line 4328 "configure"
#line 4555 "configure"
#include "confdefs.h"
#include <stdio.h>
extern int optind, opterr, getopt();
@ -4336,7 +4563,7 @@ int main() {
exit(0);
}
EOF
if { (eval echo configure:4340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:4567: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_func_getopt=yes
else
@ -4354,7 +4581,7 @@ test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
# check whether malloc(0) returns NULL or not
echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
echo "configure:4358: checking what malloc(0) returns" >&5
echo "configure:4585: checking what malloc(0) returns" >&5
if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -4362,7 +4589,7 @@ else
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
cat > conftest.$ac_ext <<EOF
#line 4366 "configure"
#line 4593 "configure"
#include "confdefs.h"
#include <stdio.h>
#ifdef HAVE_STDLIB
@ -4381,7 +4608,7 @@ main() {
exit(0);
}
EOF
if { (eval echo configure:4385: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:4612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_malloc_zero=nonnull
else
@ -4567,6 +4794,10 @@ s%@USE_THREAD_MODULE@%$USE_THREAD_MODULE%g
s%@LDLAST@%$LDLAST%g
s%@DLINCLDIR@%$DLINCLDIR%g
s%@LIBOBJS@%$LIBOBJS%g
s%@HAVE_GETHOSTBYNAME_R_6_ARG@%$HAVE_GETHOSTBYNAME_R_6_ARG%g
s%@HAVE_GETHOSTBYNAME_R_5_ARG@%$HAVE_GETHOSTBYNAME_R_5_ARG%g
s%@HAVE_GETHOSTBYNAME_R_3_ARG@%$HAVE_GETHOSTBYNAME_R_3_ARG%g
s%@HAVE_GETHOSTBYNAME@%$HAVE_GETHOSTBYNAME%g
s%@LIBM@%$LIBM%g
s%@LIBC@%$LIBC%g

65
configure.in
View File

@ -663,7 +663,7 @@ LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
# checks for library functions
AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork \
fsync fdatasync ftime ftruncate \
gethostbyname_r getpeername getpgrp getpid getpwent gettimeofday getwd \
getpeername getpgrp getpid getpwent gettimeofday getwd \
kill link lstat mkfifo mktime nice pause plock pthread_init putenv readlink \
select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
sigaction siginterrupt sigrelse strftime strptime symlink \
@ -776,6 +776,69 @@ AC_TRY_COMPILE([
AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
AC_MSG_RESULT($va_list_is_array)
# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
AC_CHECK_FUNC(gethostbyname_r, [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_MSG_CHECKING([gethostbyname_r with 6 args])
OLD_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
AC_TRY_COMPILE([
# include <netdb.h>
], [
char *name;
struct hostent *he, *res;
char buffer[2048];
int buflen = 2048;
int h_errnop;
(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG)
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING([gethostbyname_r with 5 args])
AC_TRY_COMPILE([
# include <netdb.h>
], [
char *name;
struct hostent *he;
char buffer[2048];
int buflen = 2048;
int h_errnop;
(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG)
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING([gethostbyname_r with 3 args])
AC_TRY_COMPILE([
# include <netdb.h>
], [
char *name;
struct hostent *he;
struct hostent_data data;
(void) gethostbyname_r(name, he, &data);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG)
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
])
])
CFLAGS=$OLD_CFLAGS
], [
AC_CHECK_FUNC(gethostbyname, AC_DEFINE(HAVE_GETHOSTBYNAME))
])
AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
AC_SUBST(HAVE_GETHOSTBYNAME)
# checks for system services
# (none yet)