diff -up texlive-base-20190410/source/texk/ttf2pk2/ftlib.c.externfix texlive-base-20190410/source/texk/ttf2pk2/ftlib.c

diff -up texlive-base-20190410/source/texk/ttf2pk2/pklib.c.externfix texlive-base-20190410/source/texk/ttf2pk2/pklib.c

--- texlive-base-20190410/source/texk/ttf2pk2/pklib.c.externfix	2020-01-23 15:56:27.041072021 -0500

+++ texlive-base-20190410/source/texk/ttf2pk2/pklib.c	2020-01-23 16:02:05.585252609 -0500

@@ -64,7 +64,7 @@

 #define PK_POST (char)245

 #define PK_NOP  (char)246

-int dpi;

+extern int dpi;

 FILE *pk_file;