On 7/17/20 12:31 AM, Theodore Planinsek wrote:
Hello all,
I'm writing only after checking the FAQS and IRC sections on
linuxfromscratch.org <http://linuxfromscratch.org>.
To that end, I've ran into (and fixed?) an apparent missed dependency
of Tcl-8.6.10.
The issue was tclsh was segfaulting after make (close attention was
given to the LFS v. 9.1 book). I had found that it wasn't finding Zlib.
To my understanding, Tcl must be linked against the shared libraries in
the "temporary system" (/tools), hence the "--prefix=/tools" passed to
configure. However configure was not finding Zlib / Zlib headers in the
temp system, therefore no Zlib linking happened, which caused segfault
during dlopen in glibc.
My fix was to install Zlib (1.2.11) in the "temporary system" and tell
configure to use gcc that was compiled for the temp system, allowing
configure to properly search and find Zlib / Zlib headers in the temp
system.
Does anyone know if this is a solid approach? Or was my understanding
correct? The book did not specify Zlib in the temporary system during
chapter 5.
When building tcl in Chapter 5 you should see:
checking zlib.h usability... no
checking zlib.h presence... no
checking for zlib.h... no
In gcc, you should see:
*** This configuration is not supported in the following subdirectories:
zlib gnattools gotools target-libada target-libhsail-rt
target-libphobos target-zlib target-libbacktrace target-libgfortran
target-libgo target-libffi target-libobjc target-liboffloadmic
(Any other directories should still work fine.)
See the logs at http://www.linuxfromscratch.org/lfs/build-logs/9.1/
I think you are somehow getting the host system mixed up with the LFS tools.
-- Bruce
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