Nevermind, issue resolved - I was able to fix this by downgrading to 
autoconf 2.69 and reinstalling automake in Cygwin.
Thanks!
Davorin

On Thursday, November 3, 2022 at 9:29:50 AM UTC-7 Davorin Mista wrote:

> I made sure to checkout with Unix-style line endings since I'm trying to 
> build it all in the cygwin terminal but I still keep running into errors. 
> Do I need to have a particular version of libtool? It keeps telling me to 
> run autoupdate, which I subsequently did on the command line, but it's 
> still saying it so I'm not sure what to make of that.
>
> Any help is appreciated. 
> Davorin
>
> Here the full log when running autogen.sh:
>
> $ ./autogen.sh
> + test -d third_party/googletest
> + mkdir -p third_party/googletest/m4
> + autoreconf -f -i -Wall,no-obsolete
> libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'build-aux'.
> libtoolize: copying file 'build-aux/ltmain.sh'
> libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
> libtoolize: copying file 'm4/libtool.m4'
> libtoolize: copying file 'm4/ltoptions.m4'
> libtoolize: copying file 'm4/ltsugar.m4'
> libtoolize: copying file 'm4/ltversion.m4'
> libtoolize: copying file 'm4/lt~obsolete.m4'
> configure.ac:30: warning: The macro `AC_PROG_LIBTOOL' is obsolete.
> configure.ac:30: You should run autoupdate.
> m4/libtool.m4:100: AC_PROG_LIBTOOL is expanded from...
> configure.ac:30: the top level
> configure.ac:51: warning: The macro `AC_LANG_C' is obsolete.
> configure.ac:51: You should run autoupdate.
> /mnt/share/cygpkgs/autoconf2.7/autoconf2.7.noarch/src/autoconf-2.71/lib/autoconf/c.m4:72:
>  
> AC_LANG_C is expanded from...
> m4/acx_pthread.m4:63: ACX_PTHREAD is expanded from...
> /mnt/share/cygpkgs/autoconf2.7/autoconf2.7.noarch/src/autoconf-2.71/lib/m4sugar/m4sh.m4:699:
>  
> AS_IF is expanded from...
> configure.ac:51: the top level
> configure.ac:51: warning: The macro `AC_TRY_LINK' is obsolete.
> configure.ac:51: You should run autoupdate.
> /mnt/share/cygpkgs/autoconf2.7/autoconf2.7.noarch/src/autoconf-2.71/lib/autoconf/general.m4:2920:
>  
> AC_TRY_LINK is expanded from...
> m4/acx_pthread.m4:63: ACX_PTHREAD is expanded from...
> /mnt/share/cygpkgs/autoconf2.7/autoconf2.7.noarch/src/autoconf-2.71/lib/m4sugar/m4sh.m4:699:
>  
> AS_IF is expanded from...
> configure.ac:51: the top level
> Can't exec "automake": No such file or directory at 
> /usr/share/autoconf2.7/Autom4te/FileUtils.pm line 274.
> autoreconf-2.71: error: automake failed with exit status: 1
>

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