language: c
sudo: false
addons:
  apt:
    packages:
      # Some tests require the DTDs.
      w3c-sgml-lib
matrix:
  include:
    # Try to emulate a C89 compiler on a POSIX system by disabling as many
    # GNU extensions as possible.
    - compiler: gcc
      env: CFLAGS="-O2 -std=c89 -D_XOPEN_SOURCE=700 -Werror -Wno-error=unused-function"
    # clang with AddressSanitizer and UndefinedBehaviorSanitizer.
    - compiler: clang
      dist: trusty
      env: CONFIG="--without-python"
           CFLAGS="-O2 -g -fno-omit-frame-pointer -fsanitize=address,undefined -fno-sanitize=float-divide-by-zero,pointer-overflow -fno-sanitize-recover=all -Werror -Wno-error=unused-function -Wno-error=cast-align"
           UBSAN_OPTIONS=print_stacktrace=1
script: sh autogen.sh $CONFIG && make -j2 V=1 && make check
git:
  depth: 10