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-I've just come across a subtle build issue (as haskell-platform just
-got updated, I thought I might give it a try) The scenario is
-
-* OSX 10.7 (everything is up to date with xcode etc... the usual)
-* The 32bit version of Haskell Platform 2012.2
-
-The issue is when libdiskfree.c is compiled and linked to git-annex,
-OSX defaults to a 64bit binary, thus...
-
- Linking git-annex ...
- ld: warning: ignoring file Utility/libdiskfree.o, file was built for unsupported file format which is not the architecture being linked (i386)
- Undefined symbols for architecture i386:
- "_diskfree", referenced from:
- _UtilityziDiskFree_zdwa_info in DiskFree.o
- ld: symbol(s) not found for architecture i386
- collect2: ld returned 1 exit status
- make: *** [git-annex] Error 1
-
-You can either compile up the c library in a 32bit mode if you have the 32bit
-version of Haskell Platform installed as in the following example
-
- laplace:git-annex jtang$ cc -m32 -c -o Utility/libdiskfree.o Utility/libdiskfree.c
- Utility/libdiskfree.c: In function ‘diskfree’:
- Utility/libdiskfree.c:61: warning: ‘statfs64’ is deprecated (declared at /usr/include/sys/mount.h:379)
- laplace:git-annex jtang$ make
- ghc -O2 -Wall -ignore-package monads-fd -outputdir tmp -IUtility -DWITH_S3 --make git-annex Utility/libdiskfree.o
-
- Utility/Touch.hs:1:12:
- Warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect
-
- Utility/Touch.hs:2:12:
- Warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect
-
- Utility/Touch.hs:3:12:
- Warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect
-
- Utility/Touch.hs:4:12:
- Warning: -#include and INCLUDE pragmas are deprecated: They no longer have any effect
- Linking git-annex ...
-
-Or else just install the 64bit haskell platform. I'm not too sure where
-you would but the intelligence to detect 32 or 64 outputs from the
-different compilers. I suspect checking what ghc outputs then putting in
-the appropriate -m32 or -m64 for the c compiler is the right thing to do.
-Or just telling users to use the 64bit version of the haskell platform?
-It may also be possible to get osx's c compiler to output a universal binary
-to give you everything, but that be going down the _being too platform
-specific route_.
-
-> [[done]], it'll detect this and force -m32. --[[Joey]]