on HP-UX use dld dynamic loader for symbol lookup (faster)
This commit is contained in:
bdc
parent
4e05a0aaf1
commit
7033702b2b
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@ -48,3 +48,6 @@ Reported by Sean Doran 29 Jul 96. Fixed by bdc 26 Sept 96.
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Solaris users with BIND installed lose MAXHOSTNAMELEN
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reported by Lutz Euler 23 Aug 96. Fixed by bdc 26 Sept 96.
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on HP-UX use dld dynamic loader for symbol lookup (faster)
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reported by Bill Sommerfeld 31 Oct 95. Fixed by bdc 27 Sept 96.
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@ -1044,6 +1044,7 @@ EOF
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## HP 9000 series 700 and 800, running HP/UX
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hppa*-hp-hpux* )
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dir=hpux
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LDFLAGS="-Wl,-E"
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if test ${CC} = cc; then
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CFLAGS="-Ae -O +Obb1800"
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cat >> confdefs.h <<\EOF
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@ -1178,7 +1179,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lm $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1182 "configure"
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#line 1183 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1190,7 +1191,7 @@ int t() {
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sqrt()
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; return 0; }
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EOF
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if { (eval echo configure:1194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1195: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1222,7 +1223,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lgen $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1226 "configure"
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#line 1227 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1234,7 +1235,7 @@ int t() {
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pathfind()
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; return 0; }
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EOF
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if { (eval echo configure:1238: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1239: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1266,7 +1267,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lnsl $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1270 "configure"
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#line 1271 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1278,7 +1279,7 @@ int t() {
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gethostbyaddr()
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; return 0; }
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EOF
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if { (eval echo configure:1282: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1283: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1310,7 +1311,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lsocket $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1314 "configure"
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#line 1315 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1322,7 +1323,7 @@ int t() {
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socket()
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; return 0; }
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EOF
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if { (eval echo configure:1326: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1354,7 +1355,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lelf $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1358 "configure"
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#line 1359 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1366,7 +1367,7 @@ int t() {
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nlist()
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; return 0; }
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EOF
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if { (eval echo configure:1370: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1398,7 +1399,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lld $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1402 "configure"
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#line 1403 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1410,7 +1411,7 @@ int t() {
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ldopen()
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; return 0; }
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EOF
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if { (eval echo configure:1414: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1442,7 +1443,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldl $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1446 "configure"
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#line 1447 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -1454,7 +1455,7 @@ int t() {
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dlopen()
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; return 0; }
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EOF
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if { (eval echo configure:1458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1478,13 +1479,57 @@ else
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echo "$ac_t""no" 1>&6
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fi
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echo $ac_n "checking for -ldld""... $ac_c" 1>&6
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ac_lib_var=`echo dld'_'shl_findsym | tr './+\055' '__p_'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_save_LIBS="$LIBS"
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LIBS="-ldld $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1491 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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builtin and then its argument prototype would still apply. */
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char shl_findsym();
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int main() { return 0; }
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int t() {
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shl_findsym()
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; return 0; }
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EOF
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if { (eval echo configure:1503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=no"
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fi
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rm -f conftest*
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LIBS="$ac_save_LIBS"
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fi
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if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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ac_tr_lib=HAVE_LIB`echo dld | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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cat >> confdefs.h <<EOF
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#define $ac_tr_lib 1
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EOF
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LIBS="-ldld $LIBS"
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else
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echo "$ac_t""no" 1>&6
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fi
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echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1488 "configure"
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#line 1533 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <signal.h>
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@ -1502,7 +1547,7 @@ int t() {
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int i;
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; return 0; }
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EOF
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if { (eval echo configure:1506: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1551: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_type_signal=void
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else
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@ -1534,13 +1579,13 @@ else
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# On the NeXT, cc -E runs the code through the compiler's parser,
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# not just through cpp.
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cat > conftest.$ac_ext <<EOF
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#line 1538 "configure"
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#line 1583 "configure"
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#include "confdefs.h"
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#include <assert.h>
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Syntax Error
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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:
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@ -1549,13 +1594,13 @@ else
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rm -rf conftest*
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CPP="${CC-cc} -E -traditional-cpp"
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cat > conftest.$ac_ext <<EOF
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#line 1553 "configure"
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#line 1598 "configure"
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#include "confdefs.h"
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#include <assert.h>
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Syntax Error
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1559: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1604: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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:
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@ -1583,12 +1628,12 @@ if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1587 "configure"
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#line 1632 "configure"
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#include "confdefs.h"
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#include <$ac_hdr>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1592: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1637: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -1619,7 +1664,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1623 "configure"
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#line 1668 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1643,7 +1688,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1647: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1692: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1672,7 +1717,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1676 "configure"
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#line 1721 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1696,7 +1741,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1700: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1725,7 +1770,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1729 "configure"
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#line 1774 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1749,7 +1794,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1753: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1849,7 +1894,7 @@ EOF
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else
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cat > conftest.$ac_ext <<EOF
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#line 1853 "configure"
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#line 1898 "configure"
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#include "confdefs.h"
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#include <nlist.h>
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int main() { return 0; }
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@ -1858,7 +1903,7 @@ struct nlist name_list;
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name_list.n_name = "foo";
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; return 0; }
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EOF
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if { (eval echo configure:1862: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1907: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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s48_cv_nlist=yes
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else
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@ -1884,7 +1929,7 @@ EOF
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else
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cat > conftest.$ac_ext <<EOF
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#line 1888 "configure"
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#line 1933 "configure"
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#include "confdefs.h"
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#include <stdio.h>
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int main() { return 0; }
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@ -1892,7 +1937,7 @@ int t() {
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return stdin->_cnt;
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; return 0; }
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EOF
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if { (eval echo configure:1896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1941: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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s48_cv__cnt=yes
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else
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@ -1919,7 +1964,7 @@ EOF
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else
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cat > conftest.$ac_ext <<EOF
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#line 1923 "configure"
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#line 1968 "configure"
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#include "confdefs.h"
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#include <time.h>
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int main() { return 0; }
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@ -1927,7 +1972,7 @@ int t() {
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return (int) tzname;
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; return 0; }
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EOF
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if { (eval echo configure:1931: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1976: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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scsh_cv_tzname=yes
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else
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@ -1953,7 +1998,7 @@ EOF
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else
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cat > conftest.$ac_ext <<EOF
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#line 1957 "configure"
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#line 2002 "configure"
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#include "confdefs.h"
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#include <time.h>
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int main() { return 0; }
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@ -1962,7 +2007,7 @@ struct tm time;
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return time.tm_gmtoff;
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; return 0; }
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EOF
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if { (eval echo configure:1966: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:2011: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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scsh_cv_gmtoff=yes
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else
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@ -1988,7 +2033,7 @@ EOF
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else
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cat > conftest.$ac_ext <<EOF
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#line 1992 "configure"
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#line 2037 "configure"
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#include "confdefs.h"
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
|
|
@ -1997,7 +2042,7 @@ int t() {
|
|||
const extern char *sys_errlist[];
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:2046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
scsh_cv_const_sys_errlist=yes
|
||||
else
|
||||
|
|
|
|||
|
|
@ -244,6 +244,7 @@ case "$host" in
|
|||
## HP 9000 series 700 and 800, running HP/UX
|
||||
hppa*-hp-hpux* )
|
||||
dir=hpux
|
||||
LDFLAGS="-Wl,-E"
|
||||
if test ${CC} = cc; then
|
||||
CFLAGS="-Ae -O +Obb1800"
|
||||
AC_DEFINE(_HPUX_SOURCE)
|
||||
|
|
@ -323,6 +324,7 @@ dnl Solaris 2.3 seems to need -lelf for nlist(). (tnx Bryan O'Sullivan)
|
|||
AC_CHECK_LIB(elf, nlist)
|
||||
AC_CHECK_LIB(ld, ldopen)
|
||||
AC_CHECK_LIB(dl, dlopen)
|
||||
AC_CHECK_LIB(dld, shl_findsym)
|
||||
dnl AC_CHECK_LIB(mld, main)
|
||||
|
||||
AC_RETSIGTYPE
|
||||
|
|
|
|||
14
unix.c
14
unix.c
|
|
@ -568,6 +568,19 @@ lookup_external_name(char *name, long *location)
|
|||
|
||||
#else /* i.e. #if !defined(_AIX) */
|
||||
|
||||
#if defined(__hpux)
|
||||
#include <dl.h>
|
||||
lookup_external_name (char *name, long *location )
|
||||
{
|
||||
int ret;
|
||||
shl_t shlh = PROG_HANDLE;
|
||||
*location = 0xdeadbeef;
|
||||
ret = shl_findsym (&shlh, name, TYPE_UNDEFINED, location);
|
||||
return (!ret);
|
||||
}
|
||||
|
||||
#else /* i.e. #if !defined(__hpux) && !defined(_AIX) */
|
||||
|
||||
#if !defined(NLIST_HAS_N_NAME)
|
||||
#define n_name n_un.n_name
|
||||
#endif
|
||||
|
|
@ -634,6 +647,7 @@ lookup_external_name(char *name, long *location)
|
|||
#endif /*! HAVE_DLOPEN */
|
||||
}
|
||||
|
||||
#endif /* !defined(__hpux) */
|
||||
#endif /* !defined(AIX) */
|
||||
|
||||
extern char *object_file; /* specified via a command line argument */
|
||||
|
|
|
|||
Loading…
Reference in New Issue