cpl 7.1 (new formula)

Formula/cpl.rb

@@ -0,0 +1,37 @@
+class Cpl < Formula
+  desc "ISO-C libraries for developing astronomical data-reduction tasks"
+  homepage "https://www.eso.org/sci/software/cpl/index.html"
+  url "ftp://ftp.eso.org/pub/dfs/pipelines/libraries/cpl/cpl-7.1.tar.gz"
+  sha256 "ba7f762fac3550e9d9246b7fbacba54bfba4c47b833720834bd4cd21ed0e8b00"
+
+  depends_on "cfitsio"
+  depends_on "fftw"
+  depends_on "wcslib"
+
+  conflicts_with "gdal", :because => "both install cpl_error.h"
+
+  def install
+    system "./configure", "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}",
+                          "--with-cfitsio=#{Formula["cfitsio"].prefix}",
+                          "--with-fftw=#{Formula["fftw"].prefix}",
+                          "--with-wcslib=#{Formula["wcslib"].prefix}"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<~EOF
+      #include <cpl.h>
+      int main(){
+        cpl_init(CPL_INIT_DEFAULT);
+        cpl_msg_info("hello()", "Hello, world!");
+        cpl_end();
+        return 0;
+      }
+    EOF
+    system ENV.cc, "test.c", "-L#{lib}", "-I#{include}", "-lcplcore", "-lcext", "-o", "test"
+    system "./test"
+  end
+end