Narrayがインストールできません

rubyで動かそうとしているGR.rbというgemの前提条件でnumo-arrayが要求されているので、インストールしようとしたところ、以下のエラーで毎度止まってしまいます。
環境はwindosです。

PS C:\WINDOWS\system32> gem install numo-narray
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR:  Error installing numo-narray:
        ERROR: Failed to build gem native extension.

    current directory: C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/numo-narray-0.9.1.6/ext/numo/narray
C:/Ruby26-x64/bin/ruby.exe -I C:/Ruby26-x64/lib/ruby/2.6.0 -r ./siteconf20200419-15740-oayu24.rb extconf.rb
checking for stdbool.h... yes
checking for stdint.h... yes
checking for bool in stdbool.h... yes
checking for u_int8_t in stdint.h... no
checking for uint8_t in stdint.h... yes
checking for u_int16_t in stdint.h... no
checking for uint16_t in stdint.h... yes
checking for int32_t in stdint.h... yes
checking for u_int32_t in stdint.h... no
checking for uint32_t in stdint.h... yes
checking for int64_t in stdint.h... yes
checking for u_int64_t in stdint.h... no
checking for uint64_t in stdint.h... yes
checking for exp10()... no
checking for rb_arithmetic_sequence_extract()... yes
checking for rb_cComplex... yes
creating C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/numo-narray-0.9.1.6/ext/numo/narray/numo/extconf.h
creating Makefile

current directory: C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/numo-narray-0.9.1.6/ext/numo/narray
make "DESTDIR=" clean
current directory: C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/numo-narray-0.9.1.6/ext/numo/narray
make "DESTDIR="
make failedNo such file or directory - make "DESTDIR="

Gem files will remain installed in C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/numo-narray-0.9.1.6 for inspection.
Results logged to C:/Ruby26-x64/lib/ruby/gems/2.6.0/extensions/x64-mingw32/2.6.0/numo-narray-0.9.1.6/gem_make.out