diff options
Diffstat (limited to 'platform/linux-generic/m4')
| -rw-r--r-- | platform/linux-generic/m4/configure.m4 | 46 | ||||
| -rw-r--r-- | platform/linux-generic/m4/odp_dpdk.m4 | 33 | ||||
| -rw-r--r-- | platform/linux-generic/m4/odp_ipc.m4 | 9 |
3 files changed, 65 insertions, 23 deletions
diff --git a/platform/linux-generic/m4/configure.m4 b/platform/linux-generic/m4/configure.m4 index d3e5528c1..e1197f606 100644 --- a/platform/linux-generic/m4/configure.m4 +++ b/platform/linux-generic/m4/configure.m4 @@ -28,12 +28,56 @@ AC_LINK_IFELSE( echo "Use newer version. For gcc > 4.7.0" exit -1) +dnl Check whether -latomic is needed +use_libatomic=no + +AC_MSG_CHECKING(whether -latomic is needed for 64-bit atomic built-ins) +AC_LINK_IFELSE( + [AC_LANG_SOURCE([[ + static int loc; + int main(void) + { + int prev = __atomic_exchange_n(&loc, 7, __ATOMIC_RELAXED); + return 0; + } + ]])], + [AC_MSG_RESULT(no)], + [AC_MSG_RESULT(yes) + AC_CHECK_LIB( + [atomic], [__atomic_exchange_8], + [use_libatomic=yes], + [AC_MSG_FAILURE([__atomic_exchange_8 is not available])]) + ]) + +AC_MSG_CHECKING(whether -latomic is needed for 128-bit atomic built-ins) +AC_LINK_IFELSE( + [AC_LANG_SOURCE([[ + static __int128 loc; + int main(void) + { + __int128 prev; + prev = __atomic_exchange_n(&loc, 7, __ATOMIC_RELAXED); + return 0; + } + ]])], + [AC_MSG_RESULT(no)], + [AC_MSG_RESULT(yes) + AC_CHECK_LIB( + [atomic], [__atomic_exchange_16], + [use_libatomic=yes], + [AC_MSG_CHECKING([cannot detect support for 128-bit atomics])]) + ]) + +if test "x$use_libatomic" = "xyes"; then + ATOMIC_LIBS="-latomic" +fi +AC_SUBST([ATOMIC_LIBS]) + m4_include([platform/linux-generic/m4/odp_pthread.m4]) m4_include([platform/linux-generic/m4/odp_openssl.m4]) m4_include([platform/linux-generic/m4/odp_pcap.m4]) m4_include([platform/linux-generic/m4/odp_netmap.m4]) m4_include([platform/linux-generic/m4/odp_dpdk.m4]) -m4_include([platform/linux-generic/m4/odp_ipc.m4]) m4_include([platform/linux-generic/m4/odp_schedule.m4]) AC_CONFIG_FILES([platform/linux-generic/Makefile diff --git a/platform/linux-generic/m4/odp_dpdk.m4 b/platform/linux-generic/m4/odp_dpdk.m4 index 30347dce8..58d14727b 100644 --- a/platform/linux-generic/m4/odp_dpdk.m4 +++ b/platform/linux-generic/m4/odp_dpdk.m4 @@ -2,22 +2,10 @@ # Enable DPDK support ########################################################################## pktio_dpdk_support=no -AC_ARG_ENABLE([dpdk_support], - [ --enable-dpdk-support include dpdk IO support], - [if test x$enableval = xyes; then - pktio_dpdk_support=yes - fi]) - -########################################################################## -# Set optional DPDK path -########################################################################## AC_ARG_WITH([dpdk-path], -AC_HELP_STRING([--with-dpdk-path=DIR path to dpdk build directory], - [(or in the default path if not specified).]), +AC_HELP_STRING([--with-dpdk-path=DIR path to dpdk build directory]), [DPDK_PATH=$withval AM_CPPFLAGS="$AM_CPPFLAGS -msse4.2 -isystem $DPDK_PATH/include" - AM_LDFLAGS="$AM_LDFLAGS -L$DPDK_PATH/lib" - LIBS="$LIBS -ldpdk -ldl -lpcap" pktio_dpdk_support=yes],[]) ########################################################################## @@ -28,12 +16,31 @@ CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" ########################################################################## # Check for DPDK availability +# +# DPDK pmd drivers are not linked unless the --whole-archive option is +# used. No spaces are allowed between the --whole-arhive flags. ########################################################################## if test x$pktio_dpdk_support = xyes then AC_CHECK_HEADERS([rte_config.h], [], [AC_MSG_FAILURE(["can't find DPDK header"])]) + + DPDK_PMD=--whole-archive, + for filename in $with_dpdk_path/lib/*.a; do + cur_driver=`echo $(basename "$filename" .a) | \ + sed -n 's/^\(librte_pmd_\)/-lrte_pmd_/p' | sed -n 's/$/,/p'` + # rte_pmd_nfp has external dependencies which break linking + if test "$cur_driver" = "-lrte_pmd_nfp,"; then + echo "skip linking rte_pmd_nfp" + else + DPDK_PMD+=$cur_driver + fi + done + DPDK_PMD+=--no-whole-archive + ODP_CFLAGS="$ODP_CFLAGS -DODP_PKTIO_DPDK" + AM_LDFLAGS="$AM_LDFLAGS -L$DPDK_PATH/lib -Wl,$DPDK_PMD" + LIBS="$LIBS -ldpdk -ldl -lpcap" else pktio_dpdk_support=no fi diff --git a/platform/linux-generic/m4/odp_ipc.m4 b/platform/linux-generic/m4/odp_ipc.m4 deleted file mode 100644 index 78217e221..000000000 --- a/platform/linux-generic/m4/odp_ipc.m4 +++ /dev/null @@ -1,9 +0,0 @@ -########################################################################## -# Enable IPC pktio support -########################################################################## -AC_ARG_ENABLE([pktio_ipc_support], - [ --enable-pktio_ipc-support include ipc IO support], - [if test x$enableval = xyes; then - pktio_ipc_support=yes - ODP_CFLAGS="$ODP_CFLAGS -D_ODP_PKTIO_IPC" - fi]) |