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

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

CORES=$(grep -c ^processor /proc/cpuinfo 2> /dev/null || echo 0)
if [ $CORES -lt 1 ]; then CORES=1; fi

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 -O2 -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-builtin=libicu" \
  "--enable-runtime=libidn2 --enable-builtin=libidn2" \
  "--enable-runtime=libidn --enable-builtin=libidn" \
  "--disable-runtime --enable-builtin=libicu"; do
    export DISTCHECK_CONFIGURE_FLAGS="-C --cache-file=$CACHEFILE $options"
    if test "$CC" == "clang"; then
      export DISTCHECK_CONFIGURE_FLAGS=$DISTCHECK_CONFIGURE_FLAGS" --enable-cfi"
    fi
    echo
    echo "  *** ./configure $DISTCHECK_CONFIGURE_FLAGS"
    ./configure $DISTCHECK_CONFIGURE_FLAGS CFLAGS="$CFLAGS" > /dev/null

    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 clean > /dev/null
        make check -j$CORES > /dev/null
      done
    done

    unset TESTS_ENVIRONMENT
    export TESTS_ENVIRONMENT
    echo
    echo "  *** make distcheck CFLAGS=$CFLAGS -j$CORES"
    make distcheck CFLAGS="$CFLAGS" -j$CORES > /dev/null
  done
done

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