[Buildroot] [Bug 7802] New: host-python build hangs compiling getbuildinfo.o

[Buildroot] [Bug 7802] New: host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

           Summary: host-python build hangs compiling getbuildinfo.o
           Product: buildroot
           Version: 2014.11
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: blocker
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: codehero at gmail.com
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


Created attachment 5810
  --> https://bugs.busybox.net/attachment.cgi?id=5810
kos_tom's patch to disable hg and svn build info tags

When building the host python, hg or svn is invoked to create build info tags.
This can result in a socket hang, blocking compilation from completion.

The solution, as determined by kos_tom on #buildroot (THANK YOU), was to
disable hg and svn from python's automake.

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2015-01-16 21:32:47 UTC ---
Here is the quick patch I came up with:

diff --git a/package/python/python.mk b/package/python/python.mk
index 4a3e71c..5791d4b 100644
--- a/package/python/python.mk
+++ b/package/python/python.mk
@@ -40,7 +40,9 @@ HOST_PYTHON_CONF_OPTS +=      \
 # This is needed because libpython may be installed at the same time that
 # python is called.
 HOST_PYTHON_CONF_ENV += \
-       LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags"
+       LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags" \
+       ac_cv_prog_HAS_HG=/bin/false \
+       ac_cv_prog_SVNVERSION=/bin/false

 # Building host python in parallel sometimes triggers a "Bus error"
 # during the execution of "./python setup.py build" in the
@@ -130,7 +132,9 @@ PYTHON_CONF_ENV += \
        ac_cv_have_long_long_format=yes \
        ac_cv_file__dev_ptmx=yes \
        ac_cv_file__dev_ptc=yes \
-       ac_cv_working_tzset=yes
+       ac_cv_working_tzset=yes \
+       ac_cv_prog_HAS_HG=/bin/false \
+       ac_cv_prog_SVNVERSION=/bin/false

 PYTHON_CONF_OPTS += \
        --without-cxx-main      \

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

cory42080 at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P5                          |P1
                 CC|                            |busybox-cvs at busybox.net
          Component|Other                       |Other
            Version|2014.11                     |1.22.x
         AssignedTo|unassigned at buildroot.uclibc |unassigned at busybox.net
                   |.org                        |
            Product|buildroot                   |Busybox
           Severity|blocker                     |normal

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

Bernhard Reutner-Fischer <aldot@uclibc.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Other                       |Other
            Version|1.22.x                      |2014.11
         AssignedTo|unassigned at busybox.net      |unassigned at buildroot.uclibc
                   |                            |.org
            Product|Busybox                     |buildroot

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

Bernhard Reutner-Fischer <aldot@uclibc.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P1                          |P5
                 CC|busybox-cvs at busybox.net     |

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

--- Comment #2 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
I've submitted two patches to fix this:
https://patchwork.ozlabs.org/patch/664681/ and
https://patchwork.ozlabs.org/patch/664680/.

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[Buildroot] [Bug 7802] host-python build hangs compiling getbuildinfo.o

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=7802

Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
Fixed by
https://git.buildroot.org/buildroot/commit/?id=d0d9ba275a89cf3c71eda822d5ebf30c348ec6c7
and
https://git.buildroot.org/buildroot/commit/?id=4f76d86d998e7a13e7bfa32238bcd217fbc96a42.

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