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# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2017 Linaro Limited
#
# ODP_DPDK_PMDS(DPDK_DRIVER_PATH)
# -------------------------------
# Update DPDK_LIBS to include dependencies.
AC_DEFUN([ODP_DPDK_PMDS], [dnl
AC_MSG_NOTICE([Looking for DPDK PMDs at $1])
for filename in "$1"/librte_pmd_*.a; do
cur_driver=`basename "$filename" .a | sed -e 's/^lib//'`
# Match pattern is filled to 'filename' once if no matches are found
AS_IF([test "x$cur_driver" = "xrte_pmd_*"], [break])
AS_CASE([$cur_driver],
[rte_pmd_nfp], [AS_VAR_APPEND([DPDK_LIBS], [" -lm"])],
[rte_pmd_mlx4], [AS_VAR_APPEND([DPDK_LIBS], [" -lmlx4 -libverbs"])],
[rte_pmd_mlx5], [AS_VAR_APPEND([DPDK_LIBS], [" -lmlx5 -libverbs -lmnl"])],
[rte_pmd_pcap], [AS_VAR_APPEND([DPDK_LIBS], [" -lpcap"])],
[rte_pmd_aesni_gcm], [AS_VAR_APPEND([DPDK_LIBS], [" -lIPSec_MB"])],
[rte_pmd_aesni_mb], [AS_VAR_APPEND([DPDK_LIBS], [" -lIPSec_MB"])],
[rte_pmd_kasumi], [AS_VAR_APPEND([DPDK_LIBS], [" -lsso_kasumi"])],
[rte_pmd_snow3g], [AS_VAR_APPEND([DPDK_LIBS], [" -lsso_snow3g"])],
[rte_pmd_zuc], [AS_VAR_APPEND([DPDK_LIBS], [" -lsso_zuc"])],
[rte_pmd_qat], [AS_VAR_APPEND([DPDK_LIBS], [" -lcrypto"])],
[rte_pmd_octeontx2], [AS_VAR_APPEND([DPDK_LIBS], [" -lm"])],
[rte_pmd_openssl], [AS_VAR_APPEND([DPDK_LIBS], [" -lcrypto"])])
done
have_pmd_pcap=no
if [[ -f "$1"/librte_pmd_pcap.a ]]; then
have_pmd_pcap=yes
fi
])
# _ODP_DPDK_SET_LIBS
# --------------------
# Set DPDK_LIBS/DPDK_LIBS_LT/DPDK_LIBS_LIBODP depending on DPDK setup
AC_DEFUN([_ODP_DPDK_SET_LIBS], [dnl
ODP_DPDK_PMDS([$DPDK_PMD_PATH])
DPDK_LIB="-Wl,--whole-archive,-ldpdk,--no-whole-archive"
AS_IF([test "x$DPDK_SHARED" = "xyes"], [dnl
if test x$enable_static_applications != xyes; then
if test $ODP_ABI_COMPAT -eq 1; then
# applications don't need to be linked to anything, just rpath
DPDK_LIBS_LT="$DPDK_RPATH_LT"
else
# dpdk symbols may be visible to applications
DPDK_LIBS_LT="$DPDK_LDFLAGS -ldpdk"
fi
else
# static linking flags will need -ldpdk
DPDK_LIBS_LT="$DPDK_LDFLAGS $DPDK_LIB $DPDK_LIBS"
fi
DPDK_LIBS="-Wl,--no-as-needed,-ldpdk,--as-needed,`echo $DPDK_LIBS | sed -e 's/ /,/g'`"
DPDK_LIBS="$DPDK_LDFLAGS $DPDK_RPATH $DPDK_LIBS"
# link libodp-linux with -ldpdk
DPDK_LIBS_LIBODP="$DPDK_LIBS"
], [dnl
# build long list of libraries for applications, which should not be
# rearranged by libtool
DPDK_LIBS_LT="`echo $DPDK_LIBS | sed -e 's/^/-Wc,/' -e 's/ /,/g'`"
DPDK_LIBS_LT="$DPDK_LDFLAGS $DPDK_LIB $DPDK_LIBS_LT $DPDK_LIBS"
# static linking flags follow the suite
DPDK_LIBS="$DPDK_LDFLAGS $DPDK_LIB $DPDK_LIBS"
# link libodp-linux with libtool linking flags
DPDK_LIBS_LIBODP="$DPDK_LIBS_LT"
])
OLD_LIBS=$LIBS
LIBS="-lnuma"
AC_TRY_LINK_FUNC([numa_num_configured_nodes],
[AC_DEFINE([_ODP_HAVE_NUMA_LIBRARY], [1],
[Define to 1 if numa library is usable])
AS_VAR_APPEND([DPDK_LIBS_LIBODP], [" -lnuma"])])
LIBS=$OLD_LIBS
AC_SUBST([DPDK_LIBS])
AC_SUBST([DPDK_LIBS_LIBODP])
AC_SUBST([DPDK_LIBS_LT])
])
# _ODP_DPDK_CHECK_LIB(LDFLAGS, [LIBS])
# ----------------------------------
# Check if one can use -ldpdk with provided set of libs
AC_DEFUN([_ODP_DPDK_CHECK_LIB], [dnl
##########################################################################
# Save and set temporary compilation flags
##########################################################################
OLD_LDFLAGS=$LDFLAGS
OLD_LIBS=$LIBS
LDFLAGS="$1 $LDFLAGS"
LIBS="$LIBS -ldpdk $2"
AC_MSG_CHECKING([for rte_eal_init in -ldpdk $2])
AC_LINK_IFELSE([AC_LANG_CALL([], [rte_eal_init])],
[AC_MSG_RESULT([yes])
DPDK_LIBS="$2"],
[AC_MSG_RESULT([no])])
##########################################################################
# Restore old saved variables
##########################################################################
LDFLAGS=$OLD_LDFLAGS
LIBS=$OLD_LIBS
])
# _ODP_DPDK_CHECK(CPPFLAGS, LDFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
# ------------------------------------------------------------------------
# Check for DPDK availability
AC_DEFUN([_ODP_DPDK_CHECK], [dnl
##########################################################################
# Save and set temporary compilation flags
##########################################################################
OLD_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$1 $CPPFLAGS"
dpdk_check_ok=yes
AC_CHECK_HEADERS([rte_config.h], [],
[dpdk_check_ok=no])
DPDK_LIBS=""
_ODP_DPDK_CHECK_LIB([$2], [-lm])
AS_IF([test "x$DPDK_LIBS" = "x"],
[_ODP_DPDK_CHECK_LIB([$2], [-lm -ldl -lpthread])])
AS_IF([test "x$DPDK_LIBS" = "x"],
[_ODP_DPDK_CHECK_LIB([$2], [-lm -ldl -lpthread -lnuma])])
AS_IF([test "x$DPDK_LIBS" = "x"],
[dpdk_check_ok=no])
AS_IF([test "x$dpdk_check_ok" != "xno"],
[_ODP_DPDK_SET_LIBS
AC_SUBST([DPDK_CFLAGS])
$3],
[$4])
##########################################################################
# Restore old saved variables
##########################################################################
CPPFLAGS=$OLD_CPPFLAGS
])
# _ODP_DPDK_LEGACY_SYSTEM(ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
# ------------------------------------------------------------------------
# Locate DPDK installation
AC_DEFUN([_ODP_DPDK_LEGACY_SYSTEM], [dnl
DPDK_CFLAGS="-isystem /usr/include/dpdk"
DPDK_LDFLAGS=""
DPDK_LIB_PATH="`$CC $AM_CFLAGS $CFLAGS $AM_LDFLAGS $LDFLAGS --print-file-name=libdpdk.so`"
if test "$DPDK_LIB_PATH" = "libdpdk.so" ; then
DPDK_LIB_PATH="`$CC $AM_CFLAGS $CFLAGS $AM_LDFLAGS $LDFLAGS --print-file-name=libdpdk.a`"
AS_IF([test "$DPDK_LIB_PATH" = "libdpdk.a"],
[AC_MSG_FAILURE([Could not locate system DPDK library directory])])
else
DPDK_SHARED=yes
fi
DPDK_LIB_PATH=`AS_DIRNAME(["$DPDK_LIB_PATH"])`
DPDK_PMD_PATH="$DPDK_LIB_PATH"
AS_IF([test "x$DPDK_SHARED" = "xyes"],
[AC_MSG_NOTICE([Using shared DPDK library found at $DPDK_LIB_PATH])],
[AC_MSG_NOTICE([Using static DPDK library found at $DPDK_LIB_PATH])])
_ODP_DPDK_CHECK([$DPDK_CFLAGS], [$DPDK_LDFLAGS], [$1], [$2])
])
# _ODP_DPDK_LEGACY(PATH, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
# ------------------------------------------------------------------------
# Locate DPDK installation
AC_DEFUN([_ODP_DPDK_LEGACY], [dnl
DPDK_CFLAGS="-isystem $1/include/dpdk"
DPDK_LIB_PATH="$1/lib"
DPDK_LDFLAGS="-L$DPDK_LIB_PATH"
AS_IF([test -r "$DPDK_LIB_PATH"/libdpdk.so], [dnl
DPDK_RPATH="-Wl,-rpath,$DPDK_LIB_PATH"
DPDK_RPATH_LT="-R$DPDK_LIB_PATH"
DPDK_SHARED=yes],
[test ! -r "$DPDK_LIB_PATH"/libdpdk.a], [dnl
AC_MSG_FAILURE([Could not find DPDK])])
DPDK_PMD_PATH="$DPDK_LIB_PATH"
AS_IF([test "x$DPDK_SHARED" = "xyes"],
[AC_MSG_NOTICE([Using shared DPDK library found at $DPDK_LIB_PATH])],
[AC_MSG_NOTICE([Using static DPDK library found at $DPDK_LIB_PATH])])
_ODP_DPDK_CHECK([$DPDK_CFLAGS], [$DPDK_LDFLAGS], [$2], [$3])
])
m4_ifndef([PKG_CHECK_MODULES_STATIC],
[m4_define([PKG_CHECK_MODULES_STATIC],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
_save_PKG_CONFIG=$PKG_CONFIG
PKG_CONFIG="$PKG_CONFIG --static"
PKG_CHECK_MODULES($@)
PKG_CONFIG=$_save_PKG_CONFIG[]dnl
])])dnl PKG_CHECK_MODULES_STATIC
# _ODP_DPDK_PKGCONFIG (DPDK_SHARED, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
# -----------------------------------------------------------------------
# Configure DPDK using pkg-config information
AC_DEFUN([_ODP_DPDK_PKGCONFIG], [dnl
use_pkg_config=no
dpdk_shared="$1"
if test "x$dpdk_shared" = "xyes" ; then
PKG_CHECK_MODULES([DPDK], [libdpdk],
[AC_MSG_NOTICE([Using shared DPDK lib via pkg-config])
use_pkg_config=yes
m4_default([$2], [:])],
[_ODP_DPDK_LEGACY_SYSTEM([m4_default([$2], [:])], [m4_default([$3], [:])])])
else
PKG_CHECK_MODULES_STATIC([DPDK], [libdpdk],
[AC_MSG_NOTICE([Using static DPDK lib via pkg-config])
use_pkg_config=yes
m4_default([$2], [:])],
[_ODP_DPDK_LEGACY_SYSTEM([m4_default([$2], [:])], [m4_default([$3], [:])])])
fi
if test "x$use_pkg_config" = "xyes"; then
if test "x$dpdk_shared" = "xyes"; then
DPDK_LIBS_LIBODP="$DPDK_LIBS"
DPDK_LIBS_LT="$DPDK_LIBS"
# Set RPATH if library path is found
DPDK_LIB_PATH=$(echo "$DPDK_LIBS" | grep -o -- '-L\S*' | sed 's/^-L//')
if test -n "$DPDK_LIB_PATH"; then
DPDK_LIBS_LIBODP+=" -Wl,-rpath,$DPDK_LIB_PATH"
# Debian / Ubuntu has relatively recently made new-dtags the
# default, while others (e.g. Fedora) have not changed it. RPATH
# is extended recursively when resolving transitive dependencies,
# while RUNPATH (new-dtags) is not. We use RPATH to point to rte
# libraries so that they can be found when PMDs are loaded in
# rte_eal_init(). So we need to explicitly disable new-dtags.
DPDK_LIBS_LT+=" -Wl,--disable-new-dtags -R$DPDK_LIB_PATH"
fi
else
# Build a list of libraries, which should not be rearranged by libtool.
# This ensures that DPDK constructors are included properly.
DPDK_LIBS_LIBODP=$(echo "$DPDK_LIBS" | sed -e 's/\ *$//g' -e 's/ /,/g' -e 's/-Wl,//g')
DPDK_LIBS_LIBODP=$(echo "$DPDK_LIBS_LIBODP" | sed 's/-pthread/-lpthread/g')
DPDK_LIBS_LIBODP="-Wl,$DPDK_LIBS_LIBODP"
DPDK_LIBS_LT="$DPDK_LIBS_LIBODP"
fi
DPDK_LIBS=$DPDK_LIBS_LIBODP
fi
])
# ODP_DPDK(DPDK_PATH, DPDK_SHARED, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# --------------------------------------------------------------------------
# Check for DPDK availability
AC_DEFUN([ODP_DPDK], [dnl
AS_IF([test "x$1" = "xsystem"],
[_ODP_DPDK_PKGCONFIG($2, [m4_default([$3], [:])], [m4_default([$4], [:])])],
[_ODP_DPDK_LEGACY($1, [m4_default([$3], [:])], [m4_default([$4], [:])])]
)
])
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