Configure: add support of qemu #12387
Comments
From @fperradCreated by @fperradmy goal is the cross-compiling of Perl with Buildroot, So, Configure needs a support of qemu (user mode). Find below 3 patches against blead From 42abf7caea008ee7dc8a876d88e3dd4d7de3cc16 Mon Sep 17 00:00:00 2001 $targetrun contains something like : qemu-arm, qemu-i386, qemu-ppc, qemu-x86_64 Inline Patchdiff --git a/Configure b/Configure
index a1ba981..c78cf77 100755
--- a/Configure
+++ b/Configure
@@ -2911,6 +2911,14 @@ fi
$targetrun -l $targetuser $targethost "cd \$cwd && ./\$exe \$@"
EOF
;;
+ qemu*)
+ to=:
+ from=:
+ cat >$run <<EOF
+#!/bin/sh
+$targetrun -L $qemulib "\$@"
+EOF
+ ;;
*) echo "Unknown targetrun '$targetrun'" >&4
exit 1
;;
--
From f686dacad60a327728141efa38dee1614a875368 Mon Sep 17 00:00:00 2001 $run must be used Signed-off-by: Francois Perrad <francois.perrad@gadz.org> Inline Patchdiff --git a/Configure b/Configure
index c78cf77..6cc87af 100755
--- a/Configure
+++ b/Configure
@@ -5059,7 +5059,7 @@ checkccflag='check=$1; flag=$2; callback=$3;
echo " ";
echo "Checking if your compiler accepts $flag" 2>&1;
echo "int main(void) { return 0; }" > gcctest.c;
-if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && ./gcctest; then
+if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && $run ./gcctest; then
echo "Yes, it does." 2>&1;
if $test -s gcctest.out ; then
echo "But your platform does not like it:";
--
From fc0278276b992191dd4d81a55a64f5b3b6922812 Mon Sep 17 00:00:00 2001 targethost is mandatory with a ssh connection, but useless with qemu Signed-off-by: Francois Perrad <francois.perrad@gadz.org> Inline Patchdiff --git a/Configure b/Configure
index 6cc87af..ff81233 100755
--- a/Configure
+++ b/Configure
@@ -2840,6 +2840,9 @@ $define|true|[yY]*)
;;
*) echo "Using usrinc $usrinc." >&4 ;;
esac
+ case "$targetrun" in
+ qemu*) targethost=dummy ;;
+ esac
case "$targethost" in
'') echo "Targethost not defined." >&4; croak=y ;;
*) echo "Using targethost $targethost." >&4
--
1.7.9.5Perl Info |
From @TuxOn Sat, 08 Sep 2012 23:51:50 -0700, Francois PERRAD (via RT)
I'd like to hear jess' comments on this
-- |
|
The RT System itself - Status changed from 'new' to 'open' |
From castaway@desert-island.me.ukHi, I assume from your patches that you're just running a local compile, rather On Sat Sep 08 23:51:49 2012, fperrad wrote:
Silly reply-whatsit only lists one patch. The only question I'd have is what is $qemulib? Can an existing variable be The rest seems quite sane to me. Jes |
From @fperradOn Fri Oct 19 04:52:03 2012, JROBINSON wrote:
Yes, I do real cross-compilation, not remote-compilation :)
My needs have changed a bit. My use cases are now : So, I refactor my 3 patches without $qemulib. See them in attachment. Fran�ois
|
From @fperrad0002-fix-when-cross-devel.patchFrom 3bf60a97774a5a7a456eec2fb7ab8034b7efa65b Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Fri, 19 Oct 2012 18:46:23 +0200
Subject: [PATCH 2/3] fix when cross-devel
$run must be used
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
---
Configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Configure b/Configure
index 3c2f8c7..1b84736 100755
--- a/Configure
+++ b/Configure
@@ -5059,7 +5059,7 @@ checkccflag='check=$1; flag=$2; callback=$3;
echo " ";
echo "Checking if your compiler accepts $flag" 2>&1;
echo "int main(void) { return 0; }" > gcctest.c;
-if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && ./gcctest; then
+if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && $run ./gcctest; then
echo "Yes, it does." 2>&1;
if $test -s gcctest.out ; then
echo "But your platform does not like it:";
--
1.7.9.5
|
From @fperrad0001-add-qemu-support.patchFrom 2e7c8c54ac20ea8d5a2330102372d57bb78ed3b2 Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Fri, 19 Oct 2012 18:45:49 +0200
Subject: [PATCH 1/3] add qemu support
$targetrun = "qemu-arm -L path/to/cross-libs"
or $targetrun = "/my/home/built/qemu-arm"
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
---
Configure | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/Configure b/Configure
index a1bc835..3c2f8c7 100755
--- a/Configure
+++ b/Configure
@@ -2871,7 +2871,7 @@ $define|true|[yY]*)
case "$targetfrom" in
'') targetfrom=scp ;;
esac
- run=$run-$targetrun
+ run=$run-`basename \`echo "$targetrun" | sed -e 's/^\([^ \t]*\).*$/\1/'\``
to=$to-$targetto
from=$from-$targetfrom
case "$targetdir" in
@@ -2911,6 +2911,14 @@ fi
$targetrun -l $targetuser $targethost "cd \$cwd && ./\$exe \$@"
EOF
;;
+ *qemu*)
+ to=:
+ from=:
+ cat >$run <<EOF
+#!/bin/sh
+$targetrun "\$@"
+EOF
+ ;;
*) echo "Unknown targetrun '$targetrun'" >&4
exit 1
;;
--
1.7.9.5
|
From @fperrad0003-add-a-targethost-default-when-qemu.patchFrom 18c13c8ed59d8884f6507dbe555832b008fea99f Mon Sep 17 00:00:00 2001
From: Francois Perrad <francois.perrad@gadz.org>
Date: Fri, 19 Oct 2012 18:46:49 +0200
Subject: [PATCH 3/3] add a targethost default when qemu
targethost is mandatory with a ssh connection, but useless with qemu
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
---
Configure | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Configure b/Configure
index 1b84736..fec6dd0 100755
--- a/Configure
+++ b/Configure
@@ -2840,6 +2840,9 @@ $define|true|[yY]*)
;;
*) echo "Using usrinc $usrinc." >&4 ;;
esac
+ case "$targetrun" in
+ *qemu*) targethost=dummy ;;
+ esac
case "$targethost" in
'') echo "Targethost not defined." >&4; croak=y ;;
*) echo "Using targethost $targethost." >&4
--
1.7.9.5
|
From castaway@desert-island.me.ukGah, perlbug didn't notify me on updates, I've now added myself to the I'm just looking at this part myself. I think what I'd like to do is: b) Allow you to just provide your own value of "run", or for a hints I'm not quite sure I understand what your patch for run=`basename ... ` On Fri Oct 19 11:51:31 2012, fperrad wrote:
|
From @HugmeirOn Sun, Sep 9, 2012 at 3:51 AM, Francois PERRAD
Jumpstarting this ticket. Francois recently chimed in on another thread & That being said, I had a couple of problems along the way. First, for me cat >$run <<EOF With $qemuoptions being something like "-r 3.11". Moving on, I too am unsure about the `basename ...` line. The intent seems For 'make test', I had to basically replace ./perl with a script that Unrelated to this patch but in a similar vein, yesterday I pushed a branch [0] |
From @fperrad2014-01-31 Brian Fraser <fraserbn@gmail.com>:
The use of Qemu has some limitations : For testing purpose, I copy the whole build tree on the target François
|
From @jkeenanOn Sat, 01 Feb 2014 13:51:09 GMT, fperrad wrote:
François, are you still attempting this work for Buildroot? Do you still need modifications to Perl 5's Configure? Thank you very much. -- |
From @fperrad
No. François |
From @jkeenanOn Fri, 29 Dec 2017 17:49:35 GMT, fperrad wrote:
Thanks for your quick response. Closing this ticket. -- |
|
@jkeenan - Status changed from 'open' to 'resolved' |
Migrated from rt.perl.org#114798 (status was 'resolved')
Searchable as RT114798$
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