rhash: install static and dynamic libs

Closes Homebrew/homebrew#28567.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/rhash.rb

@@ -5,12 +5,40 @@ class Rhash < Formula
   url 'https://downloads.sourceforge.net/project/rhash/rhash/1.3.1/rhash-1.3.1-src.tar.gz'
   sha1 '3ecba2786909cc0d8bff253d94b0f313cbf2a6b1'
 
+  # Upstream issue: https://github.com/rhash/RHash/pull/7
+  patch :DATA
+
   def install
     # install target isn't parallel-safe
     ENV.j1
 
-    system 'make', 'install', "PREFIX=",
-                              "DESTDIR=#{prefix}",
-                              "CC=#{ENV.cc}"
+    system "make", "lib-static", "lib-shared", "all", "CC=#{ENV.cc}"
+
+    system "make", "install-lib-static", "install-lib-shared", "install", "PREFIX=",
+                              "DESTDIR=#{prefix}", "CC=#{ENV.cc}"
   end
 end
+
+__END__
+--- a/librhash/Makefile	2014-04-20 14:20:22.000000000 +0200
++++ b/librhash/Makefile	2014-04-20 14:40:02.000000000 +0200
+@@ -26,8 +26,8 @@
+ INCDIR  = $(PREFIX)/include
+ LIBDIR  = $(PREFIX)/lib
+ LIBRARY = librhash.a
+-SONAME  = librhash.so.0
+-SOLINK  = librhash.so
++SONAME  = librhash.0.dylib
++SOLINK  = librhash.dylib
+ TEST_TARGET = test_hashes
+ TEST_SHARED = test_shared
+ # Set variables according to GNU coding standard
+@@ -176,8 +176,7 @@
+
+ # shared and static libraries
+ $(SONAME): $(SOURCES)
+-	sed -n '1s/.*/{ global:/p; s/^RHASH_API.* \([a-z0-9_]\+\)(.*/  \1;/p; $$s/.*/local: *; };/p' $(LIB_HEADERS) > exports.sym
+-	$(CC) -fpic $(ALLCFLAGS) -shared $(SOURCES) -Wl,--version-script,exports.sym,-soname,$(SONAME) $(LIBLDFLAGS) -o $@
++	$(CC) -fpic $(ALLCFLAGS) -dynamiclib $(SOURCES) $(LIBLDFLAGS) -Wl,-install_name,$(PREFIX)/lib/$@ -o $@
+ 	ln -s $(SONAME) $(SOLINK)
+ # use 'nm -Cg --defined-only $@' to view exported symbols