#!/bin/sh
#
# Do some checking before 'git push'.

# Set a stricter bash mode
set -e
set -u

CORES=$(nproc)

echo "Running: make distclean"
make distclean > /dev/null || true

# We define _GNU_SOURCE to avoid warnings with missing prototypes.
# C89 does not know snprintf, strdup, strndup, popen, pclose
CFLAGS="-std=gnu89 -pedantic -g -Wall -Wextra -Wstrict-prototypes -Wold-style-definition -Wwrite-strings -Wshadow -Wformat -Wformat-security -Wunreachable-code -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition"

CACHEFILE=$PWD/config_check.cache

# measure time consumed and print it at the end of the script
START=$(date +%s.%N)

# avoid annoying ar warning
export ARFLAGS="cr"
export AR_FLAGS="cr"

echo "Running: ./autogen.sh"
./autogen.sh > /dev/null
echo

for CC in gcc clang; do
  export CC
  echo
  echo "*** Testing with CC=$CC"

  # the compiler changed, so we have to remove the cache file here
  rm -f $CACHEFILE

  for options in \
  "--enable-runtime=libicu" \
  "--enable-runtime=libidn2" \
  "--enable-runtime=libidn" \
  "--disable-runtime"; do
    export DISTCHECK_CONFIGURE_FLAGS="-q -C --cache-file=$CACHEFILE $options"
    if test "$CC" = "clang"; then
      echo
      echo "  *** CC=$CC ./configure $DISTCHECK_CONFIGURE_FLAGS --enable-cfi"
      ./configure $DISTCHECK_CONFIGURE_FLAGS --enable-cfi CFLAGS="$CFLAGS"
      for xLCALL in C tr_TR.utf8; do
        make -s clean
        make -s check -j$CORES
      done
    fi

    for flags in --enable-ubsan --enable-asan; do
#      case "$flags" in *-asan) case $options in *libicu*) continue;; esac;; esac
      echo
      echo "  *** CC=$CC ./configure $DISTCHECK_CONFIGURE_FLAGS $flags"
      ./configure $DISTCHECK_CONFIGURE_FLAGS $flags CFLAGS="$CFLAGS"
      for xLCALL in C tr_TR.utf8; do
        make -s clean
        make -s check -j$CORES
      done
    done

    echo
    echo "  *** CC=$CC ./configure $DISTCHECK_CONFIGURE_FLAGS"
    ./configure $DISTCHECK_CONFIGURE_FLAGS CFLAGS="$CFLAGS"
    for xVALGRIND in 0 1; do
      for xLCALL in C tr_TR.utf8; do
        export TESTS_ENVIRONMENT="LC_ALL=$xLCALL VALGRIND_TESTS=$xVALGRIND"
        echo "    *** TESTS_ENVIRONMENT=\"$TESTS_ENVIRONMENT\"" make check -j$CORES
        make -s clean
        make -s check -j$CORES
      done
    done

    unset TESTS_ENVIRONMENT
    export TESTS_ENVIRONMENT
    echo
    echo "  *** $CC: make distcheck CFLAGS=$CFLAGS -j$CORES"
    ./configure $DISTCHECK_CONFIGURE_FLAGS CFLAGS="$CFLAGS"
    make -s clean
    make -s check -j$CORES
    make -s distcheck CFLAGS="$CFLAGS" -j$CORES
  done
done

END=$(date +%s.%N)
echo
echo "Duration: "$(echo "$END - $START" | bc)