[rrd-users] rrdtool compilation issue on x86_64

Dag Wieers dag at wieers.com
Sun Nov 27 18:13:39 MET 2005


Andrey Brindeev reported rrdtool problems with my x86_64 packages. The 
behaviour was that when using rrdtool, libpng symbols were inside the 
librrd library, but no reference to the libpng shared library was present.

	# ldd /usr/lib64/librrd.so.0
	        libc.so.6 => /lib64/tls/libc.so.6 (0x0000002a956e2000)
	        /lib64/ld-linux-x86-64.so.2 => /lib64/ld-linux-x86-64.so.2 (0x000000552aaaa000)

The buildlog also had comments like:

	*** Warning: linker path does not have real file for library -lpng.
	*** I have the capability to make that library automatically link in when
	*** you link to this library.  But I can only do this if you have a
	*** shared version of the library, which you do not appear to have
	*** because I did check the linker path looking for a file starting
	*** with libpng but no candidates were found. (...for file magic test)

After looking into it, I noticed this difference between i386 and x86_64:

	-checking how to recognise dependent libraries... pass_all
	+checking how to recognise dependent libraries... file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )

If I then patched configure to use 'pass_all', all was fine.
The following patch fixed it for me in configure, but I wonder if this is 
related to an older or incorrect autoconf ?

	--- configure.orig      2005-11-27 18:00:00.117013352 +0100
	+++ configure   2005-11-27 18:00:33.385955704 +0100
	@@ -3592,7 +3592,7 @@
	 # This must be Linux ELF.
	   case $host_cpu in
	-  alpha* | hppa* | i*86 | ia64* | m68* | mips | mipsel | powerpc* | sparc* | s390* | sh*)
	+  alpha* | hppa* | i*86 | x86_64 | ia64* | m68* | mips | mipsel | powerpc* | sparc* | s390* | sh*)
	     lt_cv_deplibs_check_method=pass_all ;;
	     # glibc up to 2.1.1 does not perform some relocations on ARM

Hopes this helpes other people and we can find a proper solution for the 
next release.

Thanks and kind regards,
--   dag wieers,  dag at wieers.com,  http://dag.wieers.com/   --
[all I want is a warm bed and a kind word and unlimited power]

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