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Re: Debian and Ubuntu packages - 2015/06/03

From: Ivan Vučica
Subject: Re: Debian and Ubuntu packages - 2015/06/03
Date: Thu, 04 Jun 2015 12:19:50 +0000

On Thu, Jun 4, 2015 at 12:48 PM Philippe Roussel <p.o.roussel@free.fr> wrote:
On recent distributions I had to remove the objc/ include folder
coming from gcc for gnustep-base to compile otherwise it correctly
found libobjc2 but used gcc's libobjc headers. I guess something could
be done on gnustep-base makefile but I didn't take the time to check.

That makes sense. It sounds like what I tried to work around (but it was back in November, and at 1am I was rather too tired to resume investigation).

So this sounds like a good advice. I'll try moving GCC's Objective-C runtime away, or fixing the header search path in [1].
[1]: https://bitbucket.org/ivucica/gnustep-ubuntu/src/090850d1fb1cfbc3a0e1eb7ef5d7f34f56bc4f71/phases/26-pack-gnustep-base.sh?at=default at lines 23-28.

What does your patch look like ?

November ivucica accompanied the patch with the following note, so I assume the patch is actually broken:
# Maybe HAVE_OBJC_RUNTIME_H is not defined?! Maybe config.h must be 
# included?

I'll know more after I take another look.

Index: Source/Additions/GSObjCRuntime.m
--- Source/Additions/GSObjCRuntime.m    (revision 38165)
+++ Source/Additions/GSObjCRuntime.m    (working copy)
@@ -49,6 +49,10 @@
 #import "../GSPrivate.h"
+#include <objc/runtime.h> /* needed for GNUstep's libobjc2 to be detected through __GNUSTEP_RUNTIME__ */
 #include <objc/Protocol.h>
 #include <stdio.h>
@@ -156,10 +160,10 @@
   return sel_getUid(name);
+#elif defined (__GNUSTEP_RUNTIME__)
+  return sel_registerTypedName_np(name, types);
 #elif defined (__GNU_LIBOBJC__) && (__GNU_LIBOBJC__ >= 20110608)
   return sel_registerTypedName(name, types);
-#elif defined (__GNUSTEP_RUNTIME__)
-  return sel_registerTypedName_np(name, types);
 extern SEL sel_get_any_typed_uid(const char*);
 extern SEL sel_get_typed_uid(const char*, const char*);
@@ -203,10 +207,10 @@
   return 0;
+#elif defined (__GNUSTEP_RUNTIME__)
+  return sel_getType_np(sel);
 #elif defined (__GNU_LIBOBJC__)
   return sel_getTypeEncoding(sel);
-#elif defined (__GNUSTEP_RUNTIME__)
-  return sel_getType_np(sel);
   if (sel == 0)
Index: Source/NSException.m
--- Source/NSException.m        (revision 38165)
+++ Source/NSException.m        (working copy)
@@ -47,6 +47,10 @@
 #include <objc/objc-exception.h>
+extern void (*_objc_unexpected_exception)(id);
 #if !defined(__OpenBSD__)
 #include <malloc.h>

ps : nice work on your build system

Merci beaucoup! :-)

Thank you for your work on packages that actually build properly :-)

n.b. If this build system actually starts to work (it used to work, but IIRC not with Clang), producing packages for additional applications involves providing a .spec file, including Master/deb.make from gnustep-make into GNUmakefile, and running: 
  make debfiles && make deb

Afterwards, pushing source packages to Launchpad (so they can be built by Canonical into binaries for PPAs) will involve something similar to:
  dput ppa:your-launchpad-username/your-launchpad-repository build/gnustep/core/{make,base/obj,gui/obj,back/obj}/debian_dist/*_source.changes

But, it needs to actually work first... :-)

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