dkrz.de/libaec (#1776)

* new file:   projects/dkrz.de/libaec/fixture.cpp
	new file:   projects/dkrz.de/libaec/package.yml

* shouldn't need `-L`

---------

Co-authored-by: Jacob Heider <jacob@tea.xyz>

projects/dkrz.de/libaec/fixture.cpp

@@ -0,0 +1,25 @@
+#include <cassert>
+#include <cstddef>
+#include <cstdlib>
+#include <libaec.h>
+int main() {
+    unsigned char * data = (unsigned char *) calloc(1024, sizeof(unsigned char));
+    unsigned char * compressed = (unsigned char *) calloc(1024, sizeof(unsigned char));
+    for(int i = 0; i < 1024; i++) { data[i] = (unsigned char)(i); }
+    struct aec_stream strm;
+    strm.bits_per_sample = 16;
+    strm.block_size      = 64;
+    strm.rsi             = 129;
+    strm.flags           = AEC_DATA_PREPROCESS | AEC_DATA_MSB;
+    strm.next_in         = data;
+    strm.avail_in        = 1024;
+    strm.next_out        = compressed;
+    strm.avail_out       = 1024;
+    assert(aec_encode_init(&strm) == 0);
+    assert(aec_encode(&strm, AEC_FLUSH) == 0);
+    assert(strm.total_out > 0);
+    assert(aec_encode_end(&strm) == 0);
+    free(data);
+    free(compressed);
+    return 0;
+}

projects/dkrz.de/libaec/package.yml

@@ -0,0 +1,27 @@
+distributable:
+  url: https://github.com/MathisRosenhauer/libaec/releases/download/v{{version}}/libaec-{{version}}.tar.gz
+  strip-components: 1
+
+versions:
+  github: MathisRosenhauer/libaec
+  strip: /^v/
+
+build:
+  dependencies:
+    tea.xyz/gx/cc: c99
+    tea.xyz/gx/make: '*'
+  script: |
+    ./configure $ARGS
+    make --jobs {{ hw.concurrency }} install
+  env:
+    ARGS:
+      - --prefix="{{prefix}}"
+
+provides:
+  - bin/aec
+
+test:
+  dependencies:
+    tea.xyz/gx/cc: c99
+  script: |
+    cc -o testlibaec fixture.cpp -laec