Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/gzip/rules.mk

Index: third_party/freetype2/src/src/gzip/rules.mk
diff --git a/third_party/freetype2/src/src/gzip/rules.mk b/third_party/freetype2/src/src/gzip/rules.mk
new file mode 100644
index 0000000000000000000000000000000000000000..a8f74ec3c3d322bc751be3a65d4582e2e2d19a8d
--- /dev/null
+++ b/third_party/freetype2/src/src/gzip/rules.mk
@@ -0,0 +1,83 @@
+#
+# FreeType 2 GZip support configuration rules
+#
+
+
+# Copyright 2002-2015 by
+# David Turner, Robert Wilhelm, and Werner Lemberg.
+#
+# This file is part of the FreeType project, and may only be used, modified,
+# and distributed under the terms of the FreeType project license,
+# LICENSE.TXT.  By continuing to use, modify, or distribute this file you
+# indicate that you have read the license and understand and accept it
+# fully.
+
+
+# gzip driver directory
+#
+GZIP_DIR := $(SRC_DIR)/gzip
+
+
+# compilation flags for the driver
+#
+ifeq ($(SYSTEM_ZLIB),)
+  GZIP_COMPILE := $(CC) $(ANSIFLAGS)                             \
+                        $I$(subst /,$(COMPILER_SEP),$(GZIP_DIR)) \
+                        $(INCLUDE_FLAGS)                         \
+                        $(FT_CFLAGS)
+else
+  GZIP_COMPILE := $(CC) $(ANSIFLAGS)     \
+                        $(INCLUDE_FLAGS) \
+                        $(FT_CFLAGS)
+endif
+
+
+# gzip support sources
+#
+# All source and header files get loaded by `ftgzip.c' only if SYTEM_ZLIB is
+# not defined (regardless whether we have a `single' or a `multi' build).
+# However, it doesn't harm if we add everything as a dependency
+# unconditionally.
+#
+GZIP_DRV_SRCS := $(GZIP_DIR)/adler32.c  \
+                 $(GZIP_DIR)/infblock.c \
+                 $(GZIP_DIR)/infblock.h \
+                 $(GZIP_DIR)/infcodes.c \
+                 $(GZIP_DIR)/infcodes.h \
+                 $(GZIP_DIR)/inffixed.h \
+                 $(GZIP_DIR)/inflate.c  \
+                 $(GZIP_DIR)/inftrees.c \
+                 $(GZIP_DIR)/inftrees.h \
+                 $(GZIP_DIR)/infutil.c  \
+                 $(GZIP_DIR)/infutil.h  \
+                 $(GZIP_DIR)/zconf.h    \
+                 $(GZIP_DIR)/zlib.h     \
+                 $(GZIP_DIR)/zutil.c    \
+                 $(GZIP_DIR)/zutil.h
+
+
+# gzip driver object(s)
+#
+#   GZIP_DRV_OBJ is used during both `single' and `multi' builds
+#
+GZIP_DRV_OBJ := $(OBJ_DIR)/ftgzip.$O
+
+
+# gzip main source file
+#
+GZIP_DRV_SRC := $(GZIP_DIR)/ftgzip.c
+
+
+# gzip support - object
+#
+$(GZIP_DRV_OBJ): $(GZIP_DRV_SRC) $(GZIP_DRV_SRCS) $(FREETYPE_H)
+	$(GZIP_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(GZIP_DRV_SRC))
+
+
+# update main driver object lists
+#
+DRV_OBJS_S += $(GZIP_DRV_OBJ)
+DRV_OBJS_M += $(GZIP_DRV_OBJ)
+
+
+# EOF