[elephant-devel] libberkeley-db.dylib build error on Mac OS X 10.6

[Chun Tian]

Hi, Elephant

It seems that "gcc" on Mac OS X 10.6 compiles to 64-bit executes by  
default. And if I load Elephant-1.0 in a 32-bit CL, libberkeley-db.c  
cannot compile correctly: (I'm under 32-bit LispWorks)

; $ gcc -L/sw64/lib/ -I/sw64/include/db4/ -bundle -fPIC -Wall -g -O2 - 
g /Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley-db.c  
-o /Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley- 
db.dylib -lm -ldb-4.7
/Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley-db.c:  
In function 'lisp_compare2':
/Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley-db.c: 
1061: warning: unused variable 'i'
/Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley-db.c:  
In function 'lisp_compare_key2':
/Users/binghe/Lisp/packages/elephant-1.0/src/db-bdb/libberkeley-db.c: 
1155: warning: unused variable 'i'
ld: warning: in /sw64/lib//libdb-4.7.dylib, file is not of required  
architecture
Undefined symbols:
   "_db_sequence_create", referenced from:
       _db_sequence_create2 in ccpBICdb.o
   "_db_env_create", referenced from:
       _db_env_cr in ccpBICdb.o
   "_db_create", referenced from:
       _db_cr in ccpBICdb.o
   "_db_strerror", referenced from:
       _db_strerr in ccpBICdb.o
ld: symbol(s) not found
collect2: ld returned 1 exit status

Error: erred while invoking #<ASDF:COMPILE-OP NIL 2259272B> on
        #<ELE-BDB-SYSTEM::BDB-C-SOURCE "libberkeley-db" 200DF123>
   1 (continue) Retry performing #<ASDF:COMPILE-OP NIL 2259272B> on
                #<ELE-BDB-SYSTEM::BDB-C-SOURCE "libberkeley-db"  
200DF123>.
   2 Continue, treating #<ASDF:COMPILE-OP NIL 2259272B> on
     #<ELE-BDB-SYSTEM::BDB-C-SOURCE "libberkeley-db" 200DF123> as  
having been successful.
   3 (abort) Return to level 0.
   4 Return to top loop level 0.

One solution may be explicit add a "-m32" compiler option for all 32- 
bit CL platforms under Mac OS X. A small patch as in attach could fix  
this, also paste here:

diff -rN -u old-elephant-1.0/elephant.asd new-elephant-1.0/elephant.asd
--- old-elephant-1.0/elephant.asd	2009-10-10 09:31:52.000000000 +0800
+++ new-elephant-1.0/elephant.asd	2009-10-10 09:31:52.000000000 +0800
@@ -225,6 +225,7 @@
     #-(or darwin macosx darwin-host) "-shared"
     #+(or darwin macosx darwin-host) "-bundle"
     #+(and X86-64 (or macosx darwin darwin-host)) "-arch x86_64"
+   #+(and X86 (or macosx darwin darwin-host)) "-m32" ; Snow Leopard
     #+(and X86-64 linux) "-march=x86-64"
     "-fPIC"
     "-Wall"

Please confirm and merge it.

Regards,

Chun Tian (binghe)

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