PHP_ARG_WITH([sodium],
  [for sodium support],
  [AS_HELP_STRING([--with-sodium],
    [Include sodium support])])

if test "$PHP_SODIUM" != "no"; then
  PKG_CHECK_MODULES([LIBSODIUM], [libsodium >= 1.0.8])

  PHP_EVAL_INCLINE([$LIBSODIUM_CFLAGS])
  PHP_EVAL_LIBLINE([$LIBSODIUM_LIBS], [SODIUM_SHARED_LIBADD])

  AC_DEFINE([HAVE_LIBSODIUMLIB], [1],
    [Define to 1 if the PHP extension 'sodium' is available.])

  SODIUM_COMPILER_FLAGS=$LIBSODIUM_CFLAGS

  dnl Add -Wno-type-limits and -Wno-logical-op as this may arise on 32bits platforms
  AC_CHECK_SIZEOF([long])
  AS_IF([test "$ac_cv_sizeof_long" -eq 4], [
    SODIUM_COMPILER_FLAGS="$SODIUM_COMPILER_FLAGS -Wno-type-limits"
    AX_CHECK_COMPILE_FLAG([-Wno-logical-op],
      [SODIUM_COMPILER_FLAGS="$SODIUM_COMPILER_FLAGS -Wno-logical-op"],,
      [-Werror])
  ])

  PHP_NEW_EXTENSION([sodium],
    [libsodium.c sodium_pwhash.c],
    [$ext_shared],,
    [$SODIUM_COMPILER_FLAGS])
  PHP_INSTALL_HEADERS([ext/sodium], [php_libsodium.h])
  PHP_SUBST([SODIUM_SHARED_LIBADD])
fi