perldelta for 95309d6ba0f3

[perl5.git] / Configure

diff --git a/Configure b/Configure
index 84a34bf..9d91a81 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -937,7 +937,7 @@ d_wcstombs=''
 d_wcsxfrm=''
 d_wctomb=''
 d_writev=''
-default_inc_excludes_dot=''
+default_inc_excludes_dot='undef'
 dlext=''
 bin_ELF=''
 cccdlflags=''
@@ -949,6 +949,7 @@ lddlflags=''
 usedl=''
 doublesize=''
 dtraceobject=''
+dtracexnolibs=''
 ebcdic=''
 fflushNULL=''
 fflushall=''
@@ -20636,16 +20637,22 @@ a shared directory. This can lead to executing unexpected code.
 
 EOM
 
+# When changing to exclude by default:
+#case "$default_inc_excludes_dot" in
+#    $undef|false|[nN]*) dflt="n" ;;
+#    *)                  dflt="y" ;;
+#esac
+# For now:
 case "$default_inc_excludes_dot" in
-    $define|true|[yY]*) dflt="n" ;;
-    *)                  dflt='y' ;;
+    $define|true|[yY]*) dflt="y" ;;
+    *)                  dflt="n" ;;
 esac
 
-rp='Provide '.' in @INC by default? '
+rp='Exclude '.' from @INC by default? '
 . ./myread
 case "$ans" in
-    [nN]*|define) default_inc_excludes_dot="$define" ;;
-    *)            default_inc_excludes_dot="$undef"  ;;
+    [nN]|undef) default_inc_excludes_dot="$undef"  ;;
+    *)          default_inc_excludes_dot="$define" ;;
 esac
 
 : Check what kind of inf/nan your system has
@@ -20655,8 +20662,8 @@ $cat >try.c <<EOP
 #define DOUBLESIZE $doublesize
 #$d_longdbl HAS_LONG_DOUBLE
 #ifdef HAS_LONG_DOUBLE
-#define LONGDBLSIZE $longdblsize
-#define LONGDBLKIND $longdblkind
+#define LONG_DOUBLESIZE $longdblsize
+#define LONG_DOUBLEKIND $longdblkind
 #endif
 #$i_math I_MATH
 #ifdef I_MATH
@@ -20693,16 +20700,15 @@ int main(int argc, char *argv[]) {
 #ifdef HAS_LONG_DOUBLE
    long double ldinf = (long double)exp(1e9);
    long double ldnan = (long double)sqrt(-1.0);
-#endif
-  if (argc == 2) {
-    switch (argv[1][0]) {
-    case '1': bytes(&dinf, sizeof(dinf)); break;
-    case '2': bytes(&dnan, sizeof(dnan)); break;
-#ifdef HAS_LONG_DOUBLE
 # if LONG_DOUBLEKIND == 3 || LONG_DOUBLEKIND == 4
 /* the 80-bit long doubles might have garbage in their excess bytes */
     memset((char *)&ldinf + 10, '\0', LONG_DOUBLESIZE - 10);
+    memset((char *)&ldnan + 10, '\0', LONG_DOUBLESIZE - 10);
 # endif
+  if (argc == 2) {
+    switch (argv[1][0]) {
+    case '1': bytes(&dinf, sizeof(dinf)); break;
+    case '2': bytes(&dnan, sizeof(dnan)); break;
     case '3': bytes(&ldinf, sizeof(ldinf)); break;
     case '4': bytes(&ldnan, sizeof(ldnan)); break;
 #endif
@@ -20961,12 +20967,38 @@ randseedtype=U32
 : object file that uses at least one of the probes defined in the .d file
 case "$usedtrace" in
 $define)
+    case "$dtracexnolibs" in
+    $define|true|[yY]*)
+        dtracexnolibs=$define
+       $dtrace -h -xnolibs -s ../perldtrace.d -o perldtrace.h
+       ;;
+    ' '|'')
+        if $dtrace -h -xnolibs -s ../perldtrace.d -o perldtrace.h 2>&1 ; then
+            dtracexnolibs=$define
+            echo "Your dtrace accepts -xnolibs"
+       elif $dtrace -h -s ../perldtrace.d -o perldtrace.h 2>&1 ; then
+            dtracexnolibs=$undef
+            echo "Your dtrace doesn't accept -xnolibs"
+       else
+             echo "Your dtrace doesn't work at all, try building without dtrace support" >&4
+            exit 1
+       fi
+       ;;
+    *)
+        dtracexnolibs=$undef
+       $dtrace -h -s ../perldtrace.d -o perldtrace.h
+       ;;
+    esac
+    case $dtracexnolibs in
+    $define) xnolibs=-xnolibs ;;
+    *) xnolibs= ;;
+    esac
+
     case "$dtraceobject" in
     $define|true|[yY]*)
         dtraceobject=$define
         ;;
     ' '|'')
-        $dtrace -h -s ../perldtrace.d -o perldtrace.h
         $cat >try.c <<EOM
 #include "perldtrace.h"
 int main(void) {
@@ -20976,14 +21008,14 @@ int main(void) {
 EOM
         dtraceobject=$undef
         if $cc -c -o try.o $optimize $ccflags try.c \
-                    && $dtrace -G -s ../perldtrace.d try.o >/dev/null 2>&1; then
+                    && $dtrace -G $xnolibs -s ../perldtrace.d try.o >/dev/null 2>&1; then
                 dtraceobject=$define
             echo "Your dtrace builds an object file"
         fi
-        $rm -f try.c try.o perldtrace.o
         ;;
     *) dtraceobject=$undef ;;
     esac
+    $rm -f try.c try.o perldtrace.o perldtrace.h
 esac
 
 : Determine if this is an EBCDIC system
@@ -24949,6 +24981,7 @@ drand01='$drand01'
 drand48_r_proto='$drand48_r_proto'
 dtrace='$dtrace'
 dtraceobject='$dtraceobject'
+dtracexnolibs='$dtracexnolibs'
 dynamic_ext='$dynamic_ext'
 eagain='$eagain'
 ebcdic='$ebcdic'