From: H.Merijn Brand <h.m.brand@xs4all.nl>
Date: Wed, 31 Jul 2002 16:04:02 +0000 (+0200)
Subject: Re: [RE-PATCH] Not OK: perl v5.8.0 on PA-RISC2.0 11.00
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=aed17120f1d71c676ff756013d9027da2cec8e83;p=p5sagit%2Fp5-mst-13.2.git

Re: [RE-PATCH] Not OK: perl v5.8.0 on PA-RISC2.0 11.00
From: "H.Merijn Brand" <h.m.brand@hccnet.nl>
Message-id: <20020731155005.4915.H.M.BRAND@hccnet.nl>

p4raw-id: //depot/perl@17694
---

diff --git a/hints/hpux.sh b/hints/hpux.sh
index 7170516..905e1c0 100644
--- a/hints/hpux.sh
+++ b/hints/hpux.sh
@@ -410,6 +410,58 @@ case "$ccisgcc" in
 #	;;
 #    esac
 
+# Once we have the compiler flags defined, Configure will
+# execute the following call-back script. See hints/README.hints
+# for details.
+cat > UU/cc.cbu <<'EOCBU'
+# This script UU/cc.cbu will get 'called-back' by Configure after it
+# has prompted the user for the C compiler to use.
+
+# Compile and run the a test case to see if a certain gcc bug is
+# present. If so, lower the optimization level when compiling
+# pp_pack.c.  This works around a bug in unpack.
+
+if test -z "$ccisgcc" -a -z "$gccversion"; then
+    : no tests needed for HPc
+else
+    echo " "
+    echo "Testing for a certain gcc bug is fixed in your compiler..."
+
+    # Try compiling the test case.
+    if $cc -o t001 -O $ccflags $ldflags ../hints/t001.c; then
+       gccbug=`$run ./t001`
+       case "$gccbug" in
+           *fails*)
+               cat >&4 <<EOF
+This C compiler ($gccversion) is known to have optimizer
+problems when compiling pp_pack.c.
+
+Disabling optimization for pp_pack.c.
+EOF
+               case "$pp_pack_cflags" in
+                   '') pp_pack_cflags='optimize='
+                       echo "pp_pack_cflags='optimize=\"\"'" >> config.sh ;;
+                   *)  echo "You specified pp_pack_cflags yourself, so we'll go with your value." >&4 ;;
+                   esac
+               ;;
+           *)  echo "Your compiler is ok." >&4
+               ;;
+           esac
+    else
+       echo " "
+       echo "*** WHOA THERE!!! ***" >&4
+       echo "    Your C compiler \"$cc\" doesn't seem to be working!" >&4
+       case "$knowitall" in
+           '') echo "    You'd better start hunting for one and let me know about it." >&4
+               exit 1
+               ;;
+           esac
+       fi
+
+    rm -f t001$_o t001$_exe
+    fi
+EOCBU
+
 cat >UU/uselargefiles.cbu <<'EOCBU'
 # This script UU/uselargefiles.cbu will get 'called-back' by Configure 
 # after it has prompted the user for whether to use large files.