I am having some issues with the valgrind 3.15.0 build and install in a
cross-compile environment where the resultant code is to run on a router which
is embedded Linux.
You must create an absolute path name (starts with '/') that is the same
(as a character string) on the machine which does the cross-compiling
as on the target embedded environment. Use that as --prefix= for ./configure .
On both machines that path will be a symlink ("ln -s"). On the cross-
compiling machine, set the symlink to be some directory that you can write;
such as:
mkdir $HOME/cross-valgrind-output
ln -s $HOME/cross-valgrind-output /common/absolute/pathname
and check via
ls -l /common/absolute/pathname # on the cross-compiling machine
/common/absolute/pathname -> $HOME/cross-valgrind-output
In the image being created for the target embedded environment,
set the symlink to be some directory such as:
ln -s /opt/valgrind /common/absolute/pathname
and check via
ls -l /common/absolute/pathname # in the target embedded environment
/common/absolute/pathname -> /opt/valgrind
As part of building the target embedded image, then copy the directory tree(s)
from $HOME/cross-valgrind-output/* to the image directory /opt/valgrind/ .
[Notice that this would be simpler if "--prefix=/opt/valgrind".
If you do not have permissions to "mkdir /opt/valgrind" on the cross-compiling
machine, then procure a second-hand x86_64 box, install your favorite
linux distribution on it, and use that box to do the cross-compiling.]
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