[bug #39159] grub2.00 configure fails at "Compiler features" trampoline... (gcc 4.2.1/OpenBSD 5.3)

[Douglas Ray]

URL:
  <http://savannah.gnu.org/bugs/?39159>

                 Summary: grub2.00 configure fails at "Compiler features"
trampoline... (gcc 4.2.1/OpenBSD 5.3)
                 Project: GNU GRUB
            Submitted by: dougray
            Submitted on: Tue 04 Jun 2013 11:26:08 GMT
                Category: Compilation
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Douglas Ray
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: other
         Reproducibility: Every Time
         Planned Release: None

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Details:

Configure bails on error...
gcc says it wants a "-ftrampolines" flag to confirm you realy
want it to compile the '__enable_execute_stack()' test in
'configure'.   

excerpt from config.log:
configure:20475: checking whether `gcc' generates calls to
`__enable_execute_stack()'
configure:20489: gcc  -Os -falign-loops=1 -S conftest.c
conftest.c: In function 'g':
conftest.c:282: error: trampoline code generation is not allowed without
-ftrampolines
configure:20492: $? = 1
configure:20496: error: gcc failed to produce assembly code

This is an installation (failure) of the grub 2.00 code at
  ftp://ftp.gnu.org/gnu/grub/grub-2.00.tar.gz
earlier this month (June 2013).

Gcc 4.2.1 is the default version in OpenBSD 5.3 amd64 distrib.
(The other programs have been updated to match the 'INSTALL'
doc requirements, but probably irrelevant here)

Attached are the grub 2.00 "configure" script, config.log and INSTALL.



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File Attachments:


-------------------------------------------------------
Date: Tue 04 Jun 2013 11:26:08 GMT  Name: configure  Size: 647kB   By: dougray

<http://savannah.gnu.org/bugs/download.php?file_id=28251>
-------------------------------------------------------
Date: Tue 04 Jun 2013 11:26:08 GMT  Name: install  Size: 6kB   By: dougray

<http://savannah.gnu.org/bugs/download.php?file_id=28252>
-------------------------------------------------------
Date: Tue 04 Jun 2013 11:26:08 GMT  Name: config.log  Size: 472kB   By:
dougray

<http://savannah.gnu.org/bugs/download.php?file_id=28253>

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