--- ruby-2.3.0/enc/Makefile.in.orig	2015-01-18 04:56:52.000000000 +0100

+++ ruby-2.3.0/enc/Makefile.in	2017-07-30 20:20:04.296061880 +0200

@@ -35,6 +35,7 @@

 empty =

 AR = @AR@

 CC = @CC@

+LD = @CC@

 ARFLAGS = @ARFLAGS@$(empty)

 RANLIB = @RANLIB@

 OUTFLAG = @OUTFLAG@$(empty)

@@ -48,7 +49,7 @@

 INCFLAGS = -I. -I$(arch_hdrdir) -I$(hdrdir) -I$(top_srcdir)

 DEFS = @DEFS@

 CPPFLAGS = @CPPFLAGS@ -DONIG_ENC_REGISTER=rb_enc_register

-LDFLAGS = @LDFLAGS@

+LDFLAGS = @LDFLAGS@ -lruby-static -shared

 LDSHARED = @LDSHARED@

 ldflags  = $(LDFLAGS)

 dldflags = @DLDFLAGS@

--- ruby-2.3.0/lib/mkmf.rb.orig	2015-12-16 10:25:48.000000000 +0100

+++ ruby-2.3.0/lib/mkmf.rb	2017-07-30 21:44:12.418432849 +0200

@@ -1952,6 +1952,7 @@

 CC = #{CONFIG['CC']}

 CXX = #{CONFIG['CXX']}

+LD = #{CONFIG['CC']}

 LIBRUBY = #{CONFIG['LIBRUBY']}

 LIBRUBY_A = #{CONFIG['LIBRUBY_A']}

 LIBRUBYARG_SHARED = #$LIBRUBYARG_SHARED

@@ -1972,7 +1973,7 @@

 DEFS     = #{CONFIG['DEFS']}

 CPPFLAGS = #{extconf_h}#{$CPPFLAGS}

 CXXFLAGS = $(CCDLFLAGS) #$CXXFLAGS $(ARCH_FLAG)

-ldflags  = #{$LDFLAGS}

+ldflags  = #{$LDFLAGS} -lruby-static -shared

 dldflags = #{$DLDFLAGS} #{CONFIG['EXTDLDFLAGS']}

 ARCH_FLAG = #{$ARCH_FLAG}

 DLDFLAGS = $(ldflags) $(dldflags) $(ARCH_FLAG)