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#!/bin/bash -eu
# Copyright 2019 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
cd $SRC
tar xzf gperf*.tar.gz && rm -f gperf*.tar.gz
cd gperf*
FUZZ_CFLAGS="${CFLAGS}"
FUZZ_CXXFLAGS="${CXXFLAGS}"
unset CFLAGS
unset CXXFLAGS
# gperf is a code generator, so no need to sanitize it
./configure --prefix=/usr
make -j$(nproc) install
export CFLAGS="${FUZZ_CFLAGS}"
export CXXFLAGS="${FUZZ_CXXFLAGS}"
cd $SRC
cd extra-cmake-modules
cmake .
make install
cd $SRC
cd qtbase
# add the flags to Qt build too
sed -i -e "s/QMAKE_CXXFLAGS += -stdlib=libc++/QMAKE_CXXFLAGS += -stdlib=libc++ $CXXFLAGS\nQMAKE_CFLAGS += $CFLAGS/g" mkspecs/linux-clang-libc++/qmake.conf
sed -i -e "s/QMAKE_LFLAGS += -stdlib=libc++/QMAKE_LFLAGS += -stdlib=libc++ -lpthread $CXXFLAGS/g" mkspecs/linux-clang-libc++/qmake.conf
# make qmake compile faster
sed -i -e "s/MAKE\")/MAKE\" -j$(nproc))/g" configure
./configure --glib=no --libpng=qt -opensource -confirm-license -static -no-opengl -no-icu -platform linux-clang-libc++ -v
cd src
../bin/qmake -o Makefile src.pro
make sub-corelib sub-rcc -j$(nproc)
cd $SRC
cd kcodecs
cmake . -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=$SRC/qtbase
make -j$(nproc) VERBOSE=1
$CXX $CXXFLAGS -fPIC -std=c++11 $SRC/kcodecs_fuzzer.cc -o $OUT/kcodecs_fuzzer \
-I $SRC/qtbase/include/QtCore/ -I $SRC/qtbase/include/ -I $SRC/kcodecs/src \
-I $SRC/kcodecs/src/probers -L $SRC/qtbase/lib -L $SRC/kcodecs/lib \
-lQt5Core -lm -lqtpcre2 -ldl -lpthread $LIB_FUZZING_ENGINE -lKF5Codecs
zip -qr $OUT/kcodecs_fuzzer_seed_corpus.zip $SRC/uchardet/test/ $SRC/kcodecs/autotests/data
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