[haiku-bugs] [Haiku] #5561: [patch] Allow Python on linux to compile the buildtools

#5561: [patch] Allow Python on linux to compile the buildtools
--------------------------+-------------------------------------------------
 Reporter:  mmadia        |       Owner:  bonefish      
     Type:  bug           |      Status:  new           
 Priority:  normal        |   Milestone:  R1            
Component:  Build System  |     Version:  R1/Development
 Keywords:                |   Blockedby:                
 Platform:  All           |    Blocking:                
--------------------------+-------------------------------------------------
 While testing Build-O-Matic on Ubuntu, it would consistently fail to
 configure gcc.

 Python test code:
 (haiku/, buildtools/, generated/ are all subdirs of output/)
 {{{
 import os, subprocess, sys, commands
 os.chdir('/home/mmadia/Build-O-Matic/output/generated.arm')
 cmd = "../haiku/configure --use-gcc-pipe --build-cross-tools-gcc4 arm
 ../buildtools"
 retcode = subprocess.call(cmd, shell=True)
 print "\n\n\nReturn code:", retcode
 }}}

 Output snippet:
 {{{
 ...
 checking for bison... bison -y
 checking for flex... flex
 checking for yywrap in -lfl... yes
 checking lex output file root... configure: error: cannot find output from
 flex; giving up
 make[1]: *** [configure-gmp] Error 1
 make[1]: Leaving directory
 `/home/mmadia/Build-O-Matic/output/generated.mipsel/cross-tools-build/gcc'
 make: *** [all] Error 2
 ERROR: Building gcc failed.
 }}}

 Running Haiku's configure command outside of Python, completes
 successfully. Only from within Python would it fail.

 Here are some related mailing list threads, that DraX and I found
 http://gmplib.org/list-archives/gmp-bugs/2008-August/001114.html
 http://www.cygwin.com/ml/cygwin/2008-08/msg00067.html
 http://gcc.gnu.org/ml/gcc/2008-07/msg00663.html

 The attached patch is based on the first link and has tested successfully
 in Python in Ubuntu.

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/5561>
Haiku <http://dev.haiku-os.org>
Haiku - the operating system.

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