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# 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)\""
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