diff -pruN fontconfig-2.12.93.orig/configure.ac fontconfig-2.12.93/configure.ac
--- fontconfig-2.12.93.orig/configure.ac	2018-02-15 22:01:54.000000000 +0900
+++ fontconfig-2.12.93/configure.ac	2018-02-15 22:33:42.353941393 +0900
@@ -308,8 +308,8 @@ AC_DEFINE_UNQUOTED(USE_ICONV,$use_iconv,
 # Checks for FreeType
 #
 dnl See http://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/docs/VERSIONS.TXT for versioning in freetype
-PKG_CHECK_MODULES(FREETYPE, freetype2 >= 21.0.15)
-PKGCONFIG_REQUIRES="$PKGCONFIG_REQUIRES freetype2 >= 21.0.15"
+PKG_CHECK_MODULES(FREETYPE, freetype2 >= 20.0.14)
+PKGCONFIG_REQUIRES="$PKGCONFIG_REQUIRES freetype2 >= 20.0.14"
 
 AC_SUBST(FREETYPE_LIBS)
 AC_SUBST(FREETYPE_CFLAGS)