MSYS ~
$ cd C:\dstools-2022-01-25

MSYS /c/dstools-2022-01-25
$ make
make: *** No targets specified and no makefile found.  Stop.

MSYS /c/dstools-2022-01-25
$ cd $HOME

MSYS ~
$ automake
automake-1.16: error: 'configure.ac' is required

MSYS ~
$ cd C:\dstools-2022-01-25

MSYS /c/dstools-2022-01-25
$ automake
configure.ac: error: no proper invocation of AM_INIT_AUTOMAKE was found.
configure.ac: You should verify that configure.ac invokes AM_INIT_AUTOMAKE,
configure.ac: that aclocal.m4 is present in the top-level directory,
configure.ac: and that aclocal.m4 was recently regenerated (using aclocal)
configure.ac:9: error: required file './config.guess' not found
configure.ac:9:   'automake --add-missing' can install 'config.guess'
configure.ac:9: error: required file './config.sub' not found
configure.ac:9:   'automake --add-missing' can install 'config.sub'
Makefile.am: error: required file './INSTALL' not found
Makefile.am:   'automake --add-missing' can install 'INSTALL'
Makefile.am: error: required file './COPYING' not found
Makefile.am:   'automake --add-missing' can install 'COPYING'
Makefile.am:7: warning: source file 'src/dlditool/dlditool.c' is in a subdirectory,
Makefile.am:7: but option 'subdir-objects' is disabled
automake-1.16: warning: possible forward-incompatibility.
automake-1.16: At least one source file is in a subdirectory, but the 'subdir-objects'
automake-1.16: automake option hasn't been enabled.  For now, the corresponding output
automake-1.16: object file(s) will be placed in the top-level directory.  However, this
automake-1.16: behavior may change in a future Automake major version, with object
automake-1.16: files being placed in the same subdirectory as the corresponding sources.
automake-1.16: You are advised to start using 'subdir-objects' option throughout your
automake-1.16: project, to avoid future incompatibilities.
Makefile.am:9: warning: source file 'src/dslink/main.cpp' is in a subdirectory,
Makefile.am:9: but option 'subdir-objects' is disabled
Makefile.am:11: warning: source file 'src/nds_texcompress/nds_texcompress.cpp' is in a subdirectory,
Makefile.am:11: but option 'subdir-objects' is disabled
Makefile.am:11: warning: source file 'src/nds_texcompress/compress_texture.cpp' is in a subdirectory,
Makefile.am:11: but option 'subdir-objects' is disabled
Makefile.am:5: warning: source file 'src/r4denc/r4denc.cpp' is in a subdirectory,
Makefile.am:5: but option 'subdir-objects' is disabled
Makefile.am: error: required file './depcomp' not found
Makefile.am:   'automake --add-missing' can install 'depcomp'
/usr/share/automake-1.16/am/depend2.am: error: am__fastdepCC does not appear in AM_CONDITIONAL
/usr/share/automake-1.16/am/depend2.am:   The usual way to define 'am__fastdepCC' is to add 'AC_PROG_CC'
/usr/share/automake-1.16/am/depend2.am:   to 'configure.ac' and run 'aclocal' and 'autoconf' again
/usr/share/automake-1.16/am/depend2.am: error: AMDEP does not appear in AM_CONDITIONAL
/usr/share/automake-1.16/am/depend2.am:   The usual way to define 'AMDEP' is to add one of the compiler tests
/usr/share/automake-1.16/am/depend2.am:     AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,
/usr/share/automake-1.16/am/depend2.am:     AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC
/usr/share/automake-1.16/am/depend2.am:   to 'configure.ac' and run 'aclocal' and 'autoconf' again
/usr/share/automake-1.16/am/depend2.am: error: am__fastdepCXX does not appear in AM_CONDITIONAL
/usr/share/automake-1.16/am/depend2.am:   The usual way to define 'am__fastdepCXX' is to add 'AC_PROG_CXX'
/usr/share/automake-1.16/am/depend2.am:   to 'configure.ac' and run 'aclocal' and 'autoconf' again

MSYS /c/dstools-2022-01-25
$