GDAL is failing to compile (zoning.io)

gem_make.out

/Users/matt/.rubies/ruby-2.2.3/bin/ruby -r ./siteconf20170829-5441-z90xo9.rb extconf.rb
checking for main() in -lgdal... yes
creating Makefile

make "DESTDIR=" clean

make "DESTDIR="
compiling osr.cpp
In file included from osr.cpp:1888:
In file included from /Applications/Postgres.app/Contents/Versions/9.6/include/cpl_string.h:35:
In file included from /Applications/Postgres.app/Contents/Versions/9.6/include/cpl_error.h:34:
/Applications/Postgres.app/Contents/Versions/9.6/include/cpl_port.h:516:13: warning: 'STRCASECMP' macro redefined [-Wmacro-redefined]
#    define STRCASECMP(a,b)         (strcasecmp(a,b))
            ^
/Users/matt/.rubies/ruby-2.2.3/include/ruby-2.2.0/ruby/ruby.h:1801:9: note: previous definition is here
#define STRCASECMP(s1, s2) (st_locale_insensitive_strcasecmp((s1), (s2)))
        ^
In file included from osr.cpp:1888:
In file included from /Applications/Postgres.app/Contents/Versions/9.6/include/cpl_string.h:35:
In file included from /Applications/Postgres.app/Contents/Versions/9.6/include/cpl_error.h:34:
/Applications/Postgres.app/Contents/Versions/9.6/include/cpl_port.h:517:13: warning: 'STRNCASECMP' macro redefined [-Wmacro-redefined]
#    define STRNCASECMP(a,b,n)      (strncasecmp(a,b,n))
            ^
/Users/matt/.rubies/ruby-2.2.3/include/ruby-2.2.0/ruby/ruby.h:1802:9: note: previous definition is here
#define STRNCASECMP(s1, s2, n) (st_locale_insensitive_strncasecmp((s1), (s2), (n)))
        ^
osr.cpp:2476:12: error: no matching function for call to 'OSRImportFromOzi'
    return OSRImportFromOzi( self, datum, proj, projParms );
           ^~~~~~~~~~~~~~~~
/Applications/Postgres.app/Contents/Versions/9.6/include/ogr_srs_api.h:348:16: note: candidate function not viable: requires 2 arguments, but 4 were provided
OGRErr CPL_DLL OSRImportFromOzi( OGRSpatialReferenceH , const char * const *);
               ^
2 warnings and 1 error generated.
make: *** [osr.o] Error 1

make failed, exit code 2
/Users/matt/Code/zoning-api/vendor/bundle/extensions/x86_64-darwin-16/2.2.0-static/gdal-1.0.0/gem_make.out (END)

versions.log

$ gcc --version                                                                     (master) 
Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

$ ruby --version                                                                    (master) 
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin16]