Build lcms2 for poppler (#3528)

There's quite some code hidden behind
  #ifdef USE_CMS
so better to fuzz that code too

projects/poppler/Dockerfile

@@ -19,6 +19,7 @@ MAINTAINER jonathan@titanous.com
 RUN apt-get update && apt-get install -y make autoconf automake libtool pkg-config cmake
 RUN git clone --depth 1 https://anongit.freedesktop.org/git/poppler/poppler.git
 RUN git clone --depth 1 git://git.sv.nongnu.org/freetype/freetype2.git
+RUN git clone --depth 1 https://github.com/mm2/Little-CMS.git
 RUN git clone --depth 1 https://github.com/mozilla/pdf.js pdf.js && \
     zip -q $SRC/pdf_fuzzer_seed_corpus.zip pdf.js/test/pdfs/*.pdf && \
     rm -rf pdf.js

projects/poppler/build.sh

@@ -21,6 +21,11 @@ pushd $SRC/freetype2
 make -j$(nproc)
 make install
 
+pushd $SRC/Little-CMS
+./configure --prefix="$WORK" --disable-shared PKG_CONFIG_PATH="$WORK/lib/pkgconfig"
+make -j$(nproc)
+make install
+
 mkdir -p $WORK/poppler
 pushd $WORK/poppler
 cmake $SRC/poppler \
@@ -29,7 +34,6 @@ cmake $SRC/poppler \
   -DFONT_CONFIGURATION=generic \
   -DENABLE_DCTDECODER=none \
   -DENABLE_LIBOPENJPEG=none \
-  -DENABLE_CMS=none \
   -DENABLE_LIBPNG=OFF \
   -DENABLE_ZLIB=OFF \
   -DENABLE_LIBTIFF=OFF \
@@ -40,15 +44,14 @@ cmake $SRC/poppler \
   -DENABLE_UTILS=OFF \
   -DWITH_Cairo=OFF \
   -DWITH_NSS3=OFF \
-  -DFREETYPE_INCLUDE_DIRS=$WORK/include/freetype2 \
-  -DFREETYPE_LIBRARY=$WORK/lib
+  -DCMAKE_INSTALL_PREFIX=$WORK
 make -j$(nproc) poppler poppler-cpp
 
 fuzz_target=pdf_fuzzer
 
 $CXX $CXXFLAGS -std=c++11 -I$SRC/poppler/cpp \
     $SRC/fuzz/pdf_fuzzer.cc -o $OUT/$fuzz_target \
-    $LIB_FUZZING_ENGINE $WORK/poppler/cpp/libpoppler-cpp.a $WORK/poppler/libpoppler.a $WORK/lib/libfreetype.a
+    $LIB_FUZZING_ENGINE $WORK/poppler/cpp/libpoppler-cpp.a $WORK/poppler/libpoppler.a $WORK/lib/libfreetype.a  $WORK/lib/libfreetype.a $WORK/lib/liblcms2.a
 
 mv $SRC/{*.zip,*.dict} $OUT