[oe-issues] [Bug 2755] New: Perl's Cross/Makefile re-uses TOPDIR from environment

[bugzilla-daemon at tinman.treke.net]

http://bugs.openembedded.org/show_bug.cgi?id=2755

           Summary: Perl's Cross/Makefile re-uses TOPDIR from environment
           Product: Openembedded
           Version: unspecified
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Build
        AssignedTo: openembedded-issues at lists.openembedded.org
        ReportedBy: likewise at gmx.net


If the user has TOPDIR is his environment, it has precedence over the local
variable in the Perl Cross/Makefile, used for the Perl build.

Builds will then fail as follows:

NOTE: package perl-5.8.8: started
NOTE: package perl-5.8.8-r25: task do_compile: started
ERROR: function do_compile failed
ERROR: log data follows
(/home/leon/builds/x86core2_32bit/x86core2_32bit/openembedded/build/tmp/work/i686-angstrom-linux/perl-5.8.8-r25/temp/log.do_compile.18466)
| NOTE: make -e MAKEFLAGS= perl LD=i686-angstrom-linux-gcc
| Makefile:6:
/home/leon/builds/x86core2_32bit/x86core2_32bit/openembedded/config: No such
file or directory
| make: *** No rule to make target
`/home/leon/builds/x86core2_32bit/x86core2_32bit/openembedded/config'.  Stop.
| FATAL: oe_runmake failed

This bug seems to occur because I already have a TOPDIR in my environment which
has precedence over the TOPDIR set in the top of the Makefile.

We have to use the Makefile "override" feature for the TOPDIR variable used for
the perl build, i.e. it should read something like:

override TOPDIR=${shell pwd}

(to be tested).

Reproducable by doing:
export TOPDIR=/tmp/
bitbake perl


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