bug#36280: 26.2.90; 'emacs -Q' receives SIGSEGV, Segmentation fault

[VanL]

> On 19 Jun 2019, at 17:24, Robert Pluim <rpluim@gmail.com> wrote:
> 
> So I donʼt use MacPort nor do I have X11 headers on my mac, so I canʼt
> really help here.

So I tried to build without X11.  Next, I can try to use the Xcode stuff 
without MacPort's gcc.  I have had success doing this for 26.1.90, 26.2, 27.

--8<---------------cut here---------------start------------->8---
cd emacs-26.2.90
make distclean
sh ./autogen.sh
cd ../emacs-26.2.90-build-gdb-ns
../emacs-26.2.90/configure  CC=/opt/local/bin/gcc CFLAGS='-O0 -ggdb -g3' 
--enable-checking --without-compress-install --enable-gcc-warnings 
--enable-checking=yes,glyphs --enable-check-lisp-object-type --with-ns 
--enable-ns-self-contained --with-jpeg=no --with-gif=no --with-tiff=no 
--without-x --with-cairo --without-xwidgets --with-mailutils


#+name: configure-run
#+begin_example
  checking for xcrun... xcrun
  checking for make... yes
  checking for GNU Make... gmake
  checking build system type... x86_64-apple-darwin15.6.0
  checking host system type... x86_64-apple-darwin15.6.0
  checking whether the C compiler works... yes
  checking for C compiler default output file name... a.out
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  checking whether /opt/local/bin/gcc accepts -g... yes
  checking for /opt/local/bin/gcc option to enable C11 features... none needed
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yes
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  checking whether C compiler handles -Wtrigraphs... yes
  checking whether C compiler handles -Wuninitialized... yes
  checking whether C compiler handles -Wunknown-pragmas... yes
  checking whether C compiler handles -Wunused... yes
  checking whether C compiler handles -Wunused-but-set-parameter... yes
  checking whether C compiler handles -Wunused-but-set-variable... yes
  checking whether C compiler handles -Wunused-function... yes
  checking whether C compiler handles -Wunused-label... yes
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  checking whether C compiler handles -Wunused-macros... yes
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  checking whether C compiler handles -Wvarargs... yes
  checking whether C compiler handles -Wvariadic-macros... yes
  checking whether C compiler handles -Wvector-operation-performance... yes
  checking whether C compiler handles -Wvolatile-register-var... yes
  checking whether C compiler handles -Wwrite-strings... yes
  checking whether C compiler handles 
-Walloc-size-larger-than=9223372036854775807... yes
  checking whether C compiler handles -Warray-bounds=2... yes
  checking whether C compiler handles -Wformat-truncation=2... yes
  checking whether C compiler handles -Wimplicit-fallthrough=5... yes
  checking whether C compiler handles -Wnormalized=nfc... yes
  checking whether C compiler handles -Wshift-overflow=2... yes
  checking whether C compiler handles -Wstringop-overflow=2... yes
  checking whether C compiler handles -Wvla-larger-than=4031... yes
  checking whether C compiler handles -Wredundant-decls... yes
  checking whether C compiler handles -Wno-missing-field-initializers... yes
  checking whether C compiler handles -Wno-override-init... yes
  checking whether C compiler handles -Wno-sign-compare... yes
  checking whether C compiler handles -Wno-type-limits... yes
  checking whether C compiler handles -Wno-unused-parameter... yes
  checking whether C compiler handles -Wno-format-nonliteral... yes
  checking for a BSD-compatible install... /opt/local/bin/ginstall -c
  checking command to symlink files in the same directory... ln -s
  checking for install-info... /opt/local/bin/install-info
  checking for gzip... /usr/bin/gzip
  checking for 'find' args to delete a file... -delete
  checking for -znocombreloc... no
  checking whether addresses are sanitized... no
  checking for library containing sqrt... none required
  checking for pkg-config... /opt/local/bin/pkg-config
  checking pkg-config is at least version 0.9.0... yes
  checking for machine/soundcard.h... no
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  checking whether gcc understands -MMD -MF... yes
  checking for X... disabled
  checking AppKit/AppKit.h usability... no
  checking AppKit/AppKit.h presence... yes
configure: WARNING: AppKit/AppKit.h: present but cannot be compiled
configure: WARNING: AppKit/AppKit.h:     check for missing prerequisite headers?
configure: WARNING: AppKit/AppKit.h: see the Autoconf documentation
configure: WARNING: AppKit/AppKit.h:     section "Present But Cannot Be 
Compiled"
configure: WARNING: AppKit/AppKit.h: proceeding with the compiler's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to bug-gnu-emacs@gnu.org ##
configure: WARNING:     ## ------------------------------------ ##
  checking for AppKit/AppKit.h... no
configure: error: The include files (AppKit/AppKit.h etc) that
are required for a Nextstep build are missing or cannot be compiled.
Either fix this, or re-configure with the option '--without-ns'.
#+end_example
--8<---------------cut here---------------end--------------->8---