d_Gconvert hints and Glossary

Message-ID: <42qc8gzkgOFN092yn@efn.org>

p4raw-id: //depot/perl@14786

7 files changed, 13 insertions, 17 deletions

diff --git a/hints/aix.sh b/hints/aix.sh
index 2d2468a337..53af9f5b78 100644
--- a/hints/aix.sh
+++ b/hints/aix.sh
@@ -475,18 +475,6 @@ EOM
 esac
 EOCBU
 
-cat > UU/uselongdouble.cbu <<'EOCBU'
-# This script UU/uselongdouble.cbu will get 'called-back' by Configure 
-# after it has prompted the user for whether to use long doubles.
-case "$uselongdouble" in
-$define|true|[yY]*)
-        # -qlongdouble for cc taken out on 20010522 cause it
-        # causes more trouble than it does any good --hmb
-        d_Gconvert='sprintf((b),"%.*llg",((int)(n)),(x))'
-	;;
-esac
-EOCBU
-
 if test $usenativedlopen = 'true'
 then
     ccflags="$ccflags -DUSE_NATIVE_DLOPEN"
diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh
index ae56198e87..1e0122f4fc 100644
--- a/hints/dec_osf.sh
+++ b/hints/dec_osf.sh
@@ -305,7 +305,6 @@ EOF
 		exit 1
 		;;
 	esac
-	d_Gconvert='sprintf((b),"%.*Lg",(n),(x))'
 	;;
 esac
 EOCBU
diff --git a/hints/newsos4.sh b/hints/newsos4.sh
index 3e447a5569..5cbcc531e2 100644
--- a/hints/newsos4.sh
+++ b/hints/newsos4.sh
@@ -28,6 +28,6 @@ timetype='long'
 # filemode type is int (not mode_t)
 modetype='int'
 # using sprintf(3) instead of gcvt(3)
-d_Gconvert='sprintf((b),"%.*g",(n),(x))'
+gconvert_preference=sprintf
 # No POSIX.
 useposix='false'
diff --git a/hints/os2.sh b/hints/os2.sh
index 9c1355cba4..77085a89b4 100644
--- a/hints/os2.sh
+++ b/hints/os2.sh
@@ -111,6 +111,15 @@ i_dlfcn='define'
 # The default one uses exponential notation between 0.0001 and 0.1
 d_Gconvert='gcvt_os2((x),(n),(b))'
 
+cat > UU/uselongdouble.cbu <<'EOCBU'
+# This script UU/uselongdouble.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use long doubles.
+# If we will use them, let Configure choose us a Gconvert.
+case "$uselongdouble:$d_longdbl:$d_sqrtl:$d_modfl" in
+"$define:$define:$define:$define") d_Gconvert='' ;;
+esac
+EOCBU
+
 # -Zomf build has a problem with _exit() *flushing*, so the test
 # gets confused:
 fflushNULL="define"
diff --git a/hints/os390.sh b/hints/os390.sh
index e85ebef978..38d02c3fad 100644
--- a/hints/os390.sh
+++ b/hints/os390.sh
@@ -208,7 +208,7 @@ fi
 # a trivial Perl demonstration snippet is 'print 0.1'.
 # The -W 0,float(ieee) seems to be the switch breaking gcvt().
 # sprintf() seems to get things right(er).
-d_Gconvert='sprintf((b),"%.*g",(n),(x))'
+gconvert_preference=sprintf
 
 cat >config.arch<<'__CONFIG_ARCH__'
 # The '-W 0,float(ieee)' cannot be used during Configure as ldflags.
diff --git a/hints/svr4.sh b/hints/svr4.sh
index fe88f27dec..b3be9ac40b 100644
--- a/hints/svr4.sh
+++ b/hints/svr4.sh
@@ -23,7 +23,7 @@ libswanted=`echo " $libswanted " | sed -e 's/ malloc / /'` # -e 's/ ucb / /'`
 #   it is needed for ODBM_File and NDBM_File extensions.
 
 if [ -r /usr/ucblib/libucb.a ]; then	# If using BSD-compat. library:
-    d_Gconvert='gcvt((x),(n),(b))'	# Try gcvt() before gconvert().
+    gconvert_preference='gcvt sprintf'	# Try gcvt() before gconvert().
     # Use the "native" counterparts, not the BSD emulation stuff:
     d_bcmp='undef' d_bcopy='undef' d_bzero='undef' d_safebcpy='undef'
     d_index='undef' d_killpg='undef' d_getprior='undef' d_setprior='undef'
diff --git a/hints/svr5.sh b/hints/svr5.sh
index 5f772599eb..2ddcbb10ba 100644
--- a/hints/svr5.sh
+++ b/hints/svr5.sh
@@ -87,7 +87,7 @@ glibpth=`echo " $glibpth " | sed -e 's/ \/shlib / /' -e 's/ \/lib / /'`
 
 # Don't use BSD emulation pieces (/usr/ucblib) regardless
 # these would probably be autonondetected anyway but ...
-d_Gconvert='gcvt((x),(n),(b))'	# Try gcvt() before gconvert().
+gconvert_preference='gcvt sprintf'	# Try gcvt() before gconvert().
 d_bcopy='undef' d_bcmp='undef'  d_bzero='undef'  d_safebcpy='undef'
 d_index='undef' d_killpg='undef' d_getprior='undef' d_setprior='undef'
 d_setlinebuf='undef'