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valgrindautotoolslibtool

Valgrind not showing line numbers on GNU autotools project in spite of -g flag

I'm working on a GNU Autotools project where I'm encountering some strange memory allocation errors. I want to use Valgrind to debug, however when I run my executable under it I don't get any line numbers or source file names. I even tried configuring so that optimization is -O0 and with the -g flag for debugging by using the command: 

./configure 'CXXFLAGS=-g -O0'

Then I'll run the executable under Valgrind as follows:

valgrind -leak-check=full ./[exename]

and I still only see mysterious outputs like:

==3493==    24 bytes in 1 blocks are definitely lost in loss record 137 of 303
==3493==    at 0x4A06409: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==3493==    by 0x46904A: xmalloc (in /usr/bin/bash)
Solution

  • What you really want is:

    libtool --mode=execute valgrind --leak-check=full exename ...