Hi, I'm trying to build GCL 2.6.14 as follows:

./configure --prefix=/usr
clang make
make DESTDIR=build install

However, it fails:

Compiling GCL_PCL_PKG...
Compiling /home/colin/code/aur/gcl/src/gcl-Version_2_6_14/gcl/unixport/../pcl/gcl_pcl_pkg.lisp.

Error: ERROR "Caught fatal error [memory may be damaged]"
Fast links are on: do (si::use-fast-links nil) for debugging
Signalled by COMPILE-FILE.
ERROR "Caught fatal error [memory may be damaged]"

Broken at COMPILE-FILE.  Type :H for Help.
    1  Return to top level.

>>make[1]: * [makefile:35: gcl_pcl_boot.c] Error 255

make[1]: Leaving directory '/home/colin/code/aur/gcl/src/gcl-Version_2_6_14/gcl/pcl'
make: * [makefile:90: unixport/saved_pcl_gcl] Error 2
rm h/mcompdefs.h

---

If I force CC=clang instead, the message is similar:

Error: PROGRAM-ERROR "HEAP-REPORT [or a callee] requires less than three arguments."
Signalled by HEAP-REPORT.

Error: ERROR "Caught fatal error [memory may be damaged]"
Signalled by GENSYM.

ERROR "Caught fatal error [memory may be damaged]"

Broken at SYSTEM::DO-BREAK-LEVEL.
    1  Return to top level.
COMPILER>>>
NIL
COMPILER>>>make[1]: * [makefile:98: saved_pre_gcl] Error 255
rm raw_pre_gcl raw_pre_gcl_map
make[1]: Leaving directory '/home/colin/code/aur/gcl/src/gcl-Version_2_6_14/gcl/unixport'
make: * [makefile:81: unixport/saved_pre_gcl] Error 2
rm h/mcompdefs.h

---

Seems like something going on with `unixport`?

Thank you.