pngcheck: Update to 4.0.1

graphics/pngcheck/Portfile

@@ -4,11 +4,15 @@ PortSystem          1.0
 PortGroup           github 1.0
 PortGroup           cmake 1.1
 
-github.setup        pnggroup pngcheck 4.0.0 v
+github.setup        pnggroup pngcheck 4.0.1 v
 github.tarball_from archive
 revision            0
 categories          graphics
-license             MIT GPL-2
+# The official license identifier for pngcheck is HPND. However,
+# upstream have described their license as an "MIT/X11-style" license
+# See: https://github.com/pnggroup/pngcheck/issues/36
+# See: https://github.com/spdx/license-list-XML/issues/1725
+license             MIT
 maintainers         nomaintainer
 description         Validate and inspect PNG, JNG and MNG files
 long_description    ${name} verifies the integrity of PNG, JNG and MNG files \
@@ -23,20 +27,8 @@ long_description    ${name} verifies the integrity of PNG, JNG and MNG files \
                     with batch capabilities.
 homepage            https://www.libpng.org/pub/png/apps/pngcheck.html
 
-checksums           rmd160  260e47c8ead46211ab56a1238f00675b3e9dc466 \
-                    sha256  ed13f49bc1205bdf7cd0fc208b6e0eef550da021d1631f7180f718a4db379398 \
-                    size    69977
+checksums           rmd160  b0d3666bb57e79c41636a75bf7d1b9178a175618 \
+                    sha256  a24ac2348efca5895e9d6f53fd316f3d5c409ab92a74b2b8106541759304da53 \
+                    size    59997
 
 depends_lib-append  port:zlib
-
-configure.args-append \
-                    -DPNGCHECK_ENABLE_AUX_TOOLS=ON
-
-post-destroot {
-    xinstall -d ${destroot}${prefix}/share/doc/${name}
-    xinstall -m 644 -W ${worksrcpath} \
-        README.md \
-        CHANGELOG \
-        gpl/COPYING \
-        ${destroot}${prefix}/share/doc/${name}
-}