Update woff2 to 4e698b8

third_party/woff2/Makefile

Index: third_party/woff2/Makefile
diff --git a/third_party/woff2/Makefile b/third_party/woff2/Makefile
index 4620278828b99f21fb82ac914b05ac1bea393b82..92b8d5463b3cba84e2833b0362ff63fff45c48eb 100644
--- a/third_party/woff2/Makefile
+++ b/third_party/woff2/Makefile
@@ -5,7 +5,7 @@ CPPFLAGS = -I./brotli/dec/ -I./brotli/enc/ -I./src
 CC ?= gcc
 CXX ?= g++
 
-COMMON_FLAGS = -fno-omit-frame-pointer -no-canonical-prefixes -DFONT_COMPRESSION_BIN
+COMMON_FLAGS = -fno-omit-frame-pointer -no-canonical-prefixes -DFONT_COMPRESSION_BIN -D __STDC_FORMAT_MACROS
 
 ifeq ($(OS), Darwin)
   CPPFLAGS += -DOS_MACOSX
@@ -19,7 +19,8 @@ CXXFLAGS += $(COMMON_FLAGS) -std=c++11
 SRCDIR = src
 
 OUROBJ = font.o glyph.o normalize.o table_tags.o transform.o \
-         woff2_dec.o woff2_enc.o woff2_common.o variable_length.o
+         woff2_dec.o woff2_enc.o woff2_common.o woff2_out.o \
+         variable_length.o
 
 BROTLI = brotli
 ENCOBJ = $(BROTLI)/enc/*.o
@@ -30,6 +31,10 @@ EXECUTABLES=woff2_compress woff2_decompress
 
 EXE_OBJS=$(patsubst %, $(SRCDIR)/%.o, $(EXECUTABLES))
 
+ifeq (,$(wildcard $(BROTLI)/*))
+  $(error Brotli dependency not found : you must initialize the Git submodule)
+endif
+
 all : $(OBJS) $(EXECUTABLES)
 
 $(EXECUTABLES) : $(EXE_OBJS) deps