[maemo-developers] [maemo-developers] Porting ipsec-tools and not quite getting there

[From: Mika Bostrom]

  Good day, worthy hackers.

  In a nutshell: I'm trying to port ipsec-tools. After satisfying a
set of build-dependencies and dancing around a few more by selectively
mangling build scripts, I'm a bit stumped. After all the efforts, it is
ipsec-tools package itself that fails to build, which I can't help but
appreciate with certain sense of irony.

  Actually I am fairly certain I have pinpointed the reason and would
like a few hints as to how to progress in fixing it: path to
'ipsec-tools-$VERSION/src/racoon/missing' is defined wrong. See below.
(Note: happens identically in both 1.1rc5 and 1.1 release)


  * In succesful build, on regular Debian host system:
(from src/Makefile)
srcdir = .
top_srcdir = ..
...
CPPFLAGS = -D_GNU_SOURCE -include ./src/include-glibc/glibc-bugs.h
-I./src/include-glibc -I./src/include-glibc
-I./${top_srcdir}/src/racoon/missing
^^^^^^^^^^^^^^^^^
  `-- expands correctly

  Build works as it should.
  

  * In maemo scratchbox:
(from src/Makefile)
srcdir = /home/bostik/debs/ipsec-tools-0.6.3/src
top_srcdir = /home/bostik/debs/ipsec-tools-0.6.3
...
CPPFLAGS = -D_GNU_SOURCE -include
/home/bostik/debs/ipsec-tools-0.6.3/src/include-glibc/glibc-bugs.h
-I/home/bostik/debs/ipsec-tools-0.6.3/src/include-glibc -I./src/include-glibc  
-I./${top_srcdir}/src/racoon/missing
^^^^^^^^^^^^^^^^
  `-- expands wrong

(from build)
i386-linux-gcc -DHAVE_CONFIG_H -I.
-I/home/bostik/debs/ipsec-tools-0.6.3/src/racoon -I../..
-I/home/bostik/debs/ipsec-tools-0.6.3/src/racoon/../libipsec
-D_GNU_SOURCE -include
/home/bostik/debs/ipsec-tools-0.6.3/src/include-glibc/glibc-bugs.h
-I/home/bostik/debs/ipsec-tools-0.6.3/src/include-glibc
-I./src/include-glibc
-I.//home/bostik/debs/ipsec-tools-0.6.3/src/racoon/missing -D_GNU_SOURCE
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      `-- This should be really '..'

  
  ...which naturally fails since .// is same as ./

  This appears to be some kind of freakish way autotools actually work
within scratchbox.

  - Why do autotools work this differently?
  - Any hints how to go about fixing this?
  
  My knowledge of autotools' internals is very limited, and I am the
first to confess that I know them just enough to know that I can not be
said to like them. So far I've managed to steer mostly clear of them.

  I am quite ready to shoulder the brunt work, but I need a helpful
pointer or three as to where I need to dig, and how big a shovel is
required.

  Thank you all, 

-- 
 Mika Boström         \-/  "World peace will be achieved
 Bostik at stinghorn.com  X    when the last man has killed
 +358 40 759 0016     /-\   the second-to-last." -anon?
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