I was cross-compiling an Autotools project using a tool called BuildRoot
when I received the following error:
aes-bench.cpp: In function 'int main(int, char**)':
aes-bench.cpp:346:14: error: deleting object of abstract class type
'CryptoLibrary' which has non-virtual destructor will cause undefined
behaviour [-Werror=delete-non-virtual-dtor]
I thought I might fix the issue by creating a pure virtual deconstructor for
my interface:
--- a/include/crypto-library.hpp
+++ b/include/crypto-library.hpp
@@ -90,6 +90,8 @@ class CryptoLibrary
return BLOCK_SIZE_BYTES + length - remainder;
};
+ virtual ~CryptoLibrary() = 0;
+
virtual std::string libraryName() = 0;
virtual bool modeSupported( CryptoLibrary::Mode mode ) = 0;
When I recompiled, I received an error related to ld:
/home/user/dir/dir/br_extern/output/dir/host/opt/ext-toolchain/bin/../lib/gc
c/i686-pc-linux-gnu/4.7.2/../../../../i686-pc-linux-gnu/bin/ld: BFD
(Sourcery CodeBench Lite 2012.09-62) 2.23.51.20120829 internal error,
aborting at
/scratch/jseymour/fall_releases/i686-pc-linux-gnu/obj/binutils-src-2012.09-6
2-i686-pc-linux-gnu-i386-linux/bfd/merge.c line 873 in
_bfd_merged_section_offset
/home/user/dir/dir/br_extern/output/dir/host/opt/ext-toolchain/bin/../lib/gc
c/i686-pc-linux-gnu/4.7.2/../../../../i686-pc-linux-gnu/bin/ld: Please
report this bug.
This is my first time reporting a bug to GNU.
If you need more information, I'll be happy to provide it, but I might need
some instruction.
Sincerely,
Ryan Lagasse
(978) 369-8848 Ext. 114
[email protected]
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