Protect against accumulating -options -options -options.

p4raw-id: //depot/perl@13322

diff --git a/hints/hpux.sh b/hints/hpux.sh
index c3c4c41..c99a25c 100644 (file)
--- a/hints/hpux.sh
+++ b/hints/hpux.sh
@@ -104,7 +104,10 @@ case `$cc -v 2>&1`"" in
            ;;
     *)      ccisgcc=''
            ccversion=`which cc | xargs what | awk '/Compiler/{print $2}'`
-           ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings"
+           case "$ccflags" in
+           "-Ae "*) ;;
+           *) ccflags="-Ae $cc_cppflags -Wl,+vnocompatwarnings" ;;
+           esac
            # Needed because cpp does only support -Aa (not -Ae)
            cpplast='-'
            cppminus='-'
@@ -359,7 +362,10 @@ case "$uselargefiles" in
        # but we cheat for now.  (Keep that in the left margin.)
 ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 
-       ccflags="$ccflags $ccflags_uselargefiles"
+       case "$ccflags" in
+       *" $ccflags_uselargefiles") ;;
+       *) ccflags="$ccflags $ccflags_uselargefiles" ;;
+       esac
 
         if test -z "$ccisgcc" -a -z "$gccversion"; then
            # The strict ANSI mode (-Aa) doesn't like large files.