1 #!/bin/bash -eu 2 # Copyright 2017 Glenn Randers-Pehrson 3 # Copyright 2016 Google Inc. 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 # Last changed in libpng 1.6.33 [September 28, 2017] 18 # 19 # Revisions by Glenn Randers-Pehson, 2017: 20 # 1. Build only the library, not the tools (changed "make -j$(nproc) all" to 21 # "make -j$(nproc) libpng16.la"). 22 # 2. Disabled WARNING and WRITE options in pnglibconf.dfa. 23 ################################################################################ 24 25 # Disable logging via library build configuration control. 26 cat scripts/pnglibconf.dfa | \ 27 sed -e "s/option STDIO/option STDIO disabled/" \ 28 -e "s/option WARNING /option WARNING disabled/" \ 29 -e "s/option WRITE enables WRITE_INT_FUNCTIONS/option WRITE disabled/" \ 30 > scripts/pnglibconf.dfa.temp 31 mv scripts/pnglibconf.dfa.temp scripts/pnglibconf.dfa 32 33 # build the library. 34 autoreconf -f -i 35 ./configure 36 make -j$(nproc) clean 37 make -j$(nproc) libpng16.la 38 39 # build libpng_read_fuzzer. 40 $CXX $CXXFLAGS -std=c++11 -I. \ 41 $SRC/libpng/contrib/oss-fuzz/libpng_read_fuzzer.cc \ 42 -o $OUT/libpng_read_fuzzer \ 43 -lFuzzingEngine .libs/libpng16.a -lz 44 45 # add seed corpus. 46 find $SRC/libpng -name "*.png" | grep -v crashers | \ 47 xargs zip $OUT/libpng_read_fuzzer_seed_corpus.zip 48 49 cp $SRC/libpng/contrib/oss-fuzz/*.dict \ 50 $SRC/libpng/contrib/oss-fuzz/*.options $OUT/ 51
