libetpan 1.7.2 (new formula)

Closes #11645.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/libetpan.rb

@@ -0,0 +1,33 @@
+class Libetpan < Formula
+  desc "Portable mail library handling several protocols"
+  homepage "https://www.etpan.org/libetpan.html"
+  url "https://github.com/dinhviethoa/libetpan/archive/1.7.2.tar.gz"
+  sha256 "32797282a420f3174f4a679548e20fa2bb4acb404b827d62c2f44d3de4eb3120"
+
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
+
+  def install
+    system "./autogen.sh", "--disable-debug",
+                           "--disable-dependency-tracking",
+                           "--disable-silent-rules",
+                           "--prefix=#{prefix}"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<-EOS.undent
+      #include <libetpan/libetpan.h>
+      #include <string.h>
+      #include <stdlib.h>
+
+      int main(int argc, char ** argv)
+      {
+        printf("version is %d.%d",libetpan_get_version_major(), libetpan_get_version_minor());
+      }
+      EOS
+    system ENV.cc, "test.c", "-L#{lib}", "-letpan", "-o", "test"
+    system "./test"
+  end
+end