# wolfssl kernel module name and source, and root dir.
KMOD=libwolfssl
SRCS=wolfkmod.c
WOLFSSL_DIR=../

CFLAGS+=-I${WOLFSSL_DIR}
CFLAGS+=-DWOLFSSL_IGNORE_FILE_WARN -DHAVE_CONFIG_H -DNO_MAIN_DRIVER
# debug printing
# CFLAGS+=-DWOLFSSL_BSDKM_VERBOSE_DEBUG
CFLAGS+=$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS)

# FreeBSD make does not support GNU make's patsubst and related. Filter
# through sed instead.
WOLFSSL_OBJS != echo ${src_libwolfssl_la_OBJECTS} | \
  sed 's|src_libwolfssl_la-||g' | sed 's|\.lo|.o|g' | \
  sed 's|wolfcrypt/src/|${WOLFSSL_DIR}/wolfcrypt/src/|g'

.if ${ENABLED_CRYPT_TESTS} == "yes"
    WOLFSSL_OBJS += ${WOLFSSL_DIR}/wolfcrypt/test/test.o
.else
    CFLAGS+=-DNO_CRYPT_TEST
.endif

OBJS += ${WOLFSSL_OBJS}

# Export no public symbols by default.
.if !defined(BSDKM_EXPORT_SYMS)
    EXPORT_SYMS=NO
.else
    EXPORT_SYMS=${BSDKM_EXPORT_SYMS}
.endif

# Default to live kernel src tree makefile at
# /usr/src/sys/conf/kmod.mk
.if !defined(KERNEL_ROOT)
    SYSDIR?= /usr/src/sys
.else
    SYSDIR?= ${KERNEL_ROOT}
.endif
.include "${SYSDIR}/conf/kmod.mk"

# Smooth out a few inconsistencies between FreeBSD default compiler flags
# in /usr/src/sys/conf/kern.mk, vs wolfssl harden flags in
# m4/ax_harden_compiler_flags.m4. E.g. some FreeBSD header files shorten
# 64 to 32 bit, and some wolfcrypt functions cast away const.
CFLAGS+= -Wno-unused-function
CFLAGS+= -Wno-cast-qual
CFLAGS+= -Wno-error=cast-qual
CFLAGS+= -Wno-shorten-64-to-32
CFLAGS+= -DLIBWOLFSSL_GLOBAL_EXTRA_CFLAGS="\" $(KERNEL_EXTRA_CFLAGS)\""