Create package.yml (#1904)

projects/sourceforge.net/projects/libmng/package.yml

@@ -0,0 +1,33 @@
+distributable:
+  url: https://downloads.sourceforge.net/project/libmng/libmng-devel/{{version}}/libmng-{{version}}.tar.gz
+  strip-components: 1
+
+versions:
+  url: https://sourceforge.net/projects/libmng/files/libmng-devel/
+  match: _/projects/libmng/files/libmng-devel/\d+.\d+.\d+/_
+  strip:
+    - _^/projects/libmng/files/libmng-devel/_
+    - _/$_
+
+dependencies:
+  libjpeg-turbo.org: '*'
+  littlecms.com: '>=2.0.0'
+  zlib.net: '*'
+
+build:
+  dependencies:
+    tea.xyz/gx/cc: c99
+    tea.xyz/gx/make: '*'
+  script: |
+    ./configure $ARGS
+    make --jobs {{ hw.concurrency }} install
+  env:
+    ARGS:
+      - --prefix="{{prefix}}"
+      - --disable-silent-rules
+
+test:
+  dependencies:
+    freedesktop.org/pkg-config: '*'
+  script:
+    pkg-config --modversion libmng | grep {{version}}