Merge pull request #554 from libgit2/cmn/winfix

Build on Windows with WinHTTP

Author: arthurschreiber

ext/rugged/extconf.rb

@@ -15,6 +15,10 @@ def sys(cmd)
   ret
 end
 
+def windows?
+  RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
+end
+
 if !(MAKE = find_executable('gmake') || find_executable('make'))
   abort "ERROR: GNU make is required to build Rugged."
 end
@@ -55,7 +59,7 @@ def sys(cmd)
     abort "ERROR: CMake is required to build Rugged."
   end
 
-  if !find_executable('pkg-config')
+  if !windows? && !find_executable('pkg-config')
     abort "ERROR: pkg-config is required to build Rugged."
   end
 
@@ -66,8 +70,16 @@ def sys(cmd)
       sys("cmake .. -DBUILD_CLAR=OFF -DTHREADSAFE=ON -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_FLAGS=-fPIC -DCMAKE_BUILD_TYPE=RelWithDebInfo -G \"Unix Makefiles\"")
       sys(MAKE)
 
-      pcfile = File.join(LIBGIT2_DIR, "build", "libgit2.pc")
-      $LDFLAGS << " " + `pkg-config --libs --static #{pcfile}`.strip
+      # "normal" libraries (and libgit2 builds) get all these when they build but we're doing it
+      # statically so we put the libraries in by hand. It's important that we put the libraries themselves
+      # in $LIBS or the final linking stage won't pick them up
+      if windows?
+        $LDFLAGS << " " + "-L#{Dir.pwd}/deps/winhttp"
+        $LIBS << " -lwinhttp -lcrypt32 -lrpcrt4 -lole32"
+      else
+        pcfile = File.join(LIBGIT2_DIR, "build", "libgit2.pc")
+        $LDFLAGS << " " + `pkg-config --libs --static #{pcfile}`.strip
+      end
     end
   end