uname -a: Linux jetta.math.Princeton.EDU.private 2.6.32-642.6.2.el6.x86_64 #1 SMP Tue Oct 25 17:39:59 EDT 2016 i686 i686 i386 GNU/Linux

./configure  '--build=i686-redhat-linux-gnu' '--host=i686-redhat-linux-gnu' '--target=i686-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--mandir=/usr/share/man/man1' '--with-archlibdir=/usr/lib/xemacs-21.5-b31/i686-redhat-linux' '--with-moduledir=/usr/lib/xemacs-21.5-b31/i686-redhat-linux/modules' '--with-lispdir=/usr/share/xemacs-21.5-b31/lisp' '--with-etcdir=/usr/share/xemacs-21.5-b31/etc' '--with-system-packages=/usr/share/xemacs' '--without-msw' '--with-mule' '--with-clash-detection' '--with-database=berkdb' '--without-ldap' '--without-postgresql' '--with-mail-locking=lockf' '--with-pop' '--without-hesiod' '--with-pdump' '--with-debug' '--with-error-checking=none' '--enable-bignum=gmp' '--with-union-type' '--with-docdir=/usr/lib/xemacs-21.5-b31/doc-nox' '--with-sound=none' '--with-xim=no' '--without-canna' '--without-wnn' '--without-x' 'build_alias=i686-redhat-linux-gnu' 'host_alias=i686-redhat-linux-gnu' 'target_alias=i686-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fno-strict-aliasing' 'CXXFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables'


XEmacs 21.5-b31 "ginger"  configured for `i686-redhat-linux'.

Compilation Environment and Installation Defaults:
  Source code location:              /builddir/build/BUILD/xemacs-21.5.31
  Installation prefix:               /usr
  Not using any operating system description file
  Machine description file:          `m/intel386.h'
  Compiler version:                  gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
    - GCC specs file:                specs.
    - Compiler command:              gcc -Wall -Wno-switch -Wundef -Wsign-compare -Wno-char-subscripts -Wpacked -Wshadow -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wdeclaration-after-statement  -Wunused-parameter -g  -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fno-strict-aliasing
  libc version:                      glibc-2.12-1.209.el6.i686
  Relocating allocator for buffers:  no
  GNU version of malloc:             yes
    - Using Doug Lea's new malloc from the GNU C Library.

Window System:

TTY:
  Compiling in support for ncurses.
  Compiling in support for GPM (General Purpose Mouse).

Images:

Sound:

Databases:
  Compiling in support for Berkeley database.

Internationalization:
  Compiling in support for Mule (multi-lingual Emacs).

Mail:
  Compiling in support for POP mail retrieval.
  Compiling in support for "lockf" mail spool file locking method.

Other Features:
  Inhibiting IPv6 canonicalization at startup.
  Compiling in support for dynamic shared object modules.
  Compiling in support for more number types using the GNU MP library.
  Using the union type for Lisp_Objects.
  WARNING: ---------------------------------------------------------
  WARNING: This tends to trigger compiler bugs, especially when
  WARNING: combined with MULE and ERROR_CHECKING.  Crashes have
  WARNING: been seen with various versions of GCC (up to about 2.95),
  WARNING: and recently with Visual C++ as well (mid-2003).
  WARNING: More recent versions may be safer, or not.
  WARNING: ---------------------------------------------------------
  Using the new GC mark algorithms (KKCC).
  WARNING: ---------------------------------------------------------
  WARNING: The new algorithms are experimental. They are enabled by
  WARNING: default for this release. Use `--disable-kkcc' to
  WARNING: turn it off.
  WARNING: ---------------------------------------------------------
  Using the new portable dumper.
  Dumping into executable.
  Compiling in support for extra debugging code.

