#!/bin/bash

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

SSL=${1:-""}
case $SSL in
    "") SSL_LIB="--without-ssl";;
    "openssl") SSL_LIB="--with-ssl=openssl";;
    "gnutls") SSL_LIB="--with-ssl=gnutls";;
esac

# For some reason. /proc/cpuinfo reports 16 cores on Travis, while the docs
# claim that each instance has only 2 cores. We believe the docs and force a
# value of only 2 here.
CORES=3

# Define a large number of Warning flags for the compiler. Hopefully, someone
# will sit and analyze the output to clean the warnings from the codebase.
CFLAGS="-std=c89 -pedantic -O2 -Wall -Wextra -Wstrict-prototypes -Wold-style-definition -Wwrite-strings -Wshadow -Wformat -Wformat-security -Wunreachable-code -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition"

# A cachefile for ./configure. I'm not sure if this is any useful.
CACHEFILE=$PWD/config_check.cache

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

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

for options in "" "--disable-ipv6"; do
  export DISTCHECK_CONFIGURE_FLAGS="-C --cache-file=$CACHEFILE --enable-assert --enable-valgrind-tests $SSL_LIB $options"
  echo "  ./configure $DISTCHECK_CONFIGURE_FLAGS CFLAGS=\"$CFLAGS\""
  ./configure $DISTCHECK_CONFIGURE_FLAGS CFLAGS="$CFLAGS"

  for xLCALL in "ru_RU.UTF-8" "C" "tr_TR.UTF-8"; do
    export TESTS_ENVIRONMENT="LC_ALL=$xLCALL VALGRIND_TESTS=1"
    echo "    TESTS_ENVIRONMENT=\"$TESTS_ENVIRONMENT\" make distcheck CFLAGS=$CFLAGS -j$CORES"
    make distcheck CFLAGS="$CFLAGS" -j$CORES
  done
done

END=$(date +%s)
echo "Duration: $((END-START))"