[ 
https://issues.apache.org/jira/browse/SVN-4654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Michael Osipov updated SVN-4654:
--------------------------------
    Attachment: configure-reduced.tar.gz

As promised, I have reduced the macro to a minimal reproducible amount of code:

{code:none}
Index: build/ac-macros/svn-macros.m4
===================================================================
--- build/ac-macros/svn-macros.m4       (Revision 1761392)
+++ build/ac-macros/svn-macros.m4       (Arbeitskopie)
@@ -106,21 +106,6 @@
   input_flags="$1"
   output_flags=""
   filtered_dirs="/lib /lib64 /usr/lib /usr/lib64"
-  for flag in $input_flags; do
-    filter="no"
-    for dir in $filtered_dirs; do
-      if test "$flag" = "-L$dir" || test "$flag" = "-L$dir/"; then
-        filter="yes"
-        break
-      fi
-    done
-    if test "$filter" = "no"; then
-      output_flags="$output_flags $flag"
-    fi
-  done
-  if test -n "$output_flags"; then
-    printf "%s" "${output_flags# }"
-  fi
 ])

 AC_DEFUN([SVN_CHECK_FOR_ATOMIC_BUILTINS],
{code}

Attached is the trace file along with the genereated {{configure}} script.

> configure: command substitution for SVN_REMOVE_STANDARD_LIB_DIRS fails with 
> POSIX backticks on HP-UX
> ----------------------------------------------------------------------------------------------------
>
>                 Key: SVN-4654
>                 URL: https://issues.apache.org/jira/browse/SVN-4654
>             Project: Subversion
>          Issue Type: Bug
>          Components: compile, install
>    Affects Versions: 1.9.4, trunk
>         Environment: $ uname -a
> HP-UX blnn724x B.11.31 U ia64 HP-UX
>            Reporter: Michael Osipov
>         Attachments: SVN-4654.patch, configure-reduced.tar.gz, 
> configure.err.tar.gz
>
>
> When running {{configure}} on HP-UX, you see several times 
> {{./configure\[4880\]: : Execute permission denied.}} and 
> {{./configure\[4880\]: /lib64:  not found.}}.
> This is caused by having the command substitution perfomed by backticks 
> {{LDFLAGS="`SVN_REMOVE_STANDARD_LIB_DIR(...)`"}} and not with standard POSIX 
> {{$()}}.
> See attached trace output w/o patch and with patch applied.



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