From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> Instead of poisoning global AM_CPPFLAGS/AM_LDFLAGS with DPDK flags, use fine-grained controls for compiling/linking with DPDK.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> --- /** Email created from pull request 45 (lumag:m4) ** https://github.com/Linaro/odp/pull/45 ** Patch: https://github.com/Linaro/odp/pull/45.patch ** Base sha: ceeab69f3af67701adb524c7b9757d19cefb1110 ** Merge commit sha: eee6b6add9a03184bf2f3198f07e983bb88c0e0a **/ configure.ac | 1 - pkgconfig/libodp-linux.pc.in | 4 ++-- platform/linux-generic/Makefile.am | 2 ++ platform/linux-generic/m4/odp_dpdk.m4 | 29 +++++++++++++++------------- test/Makefile.inc | 2 +- test/common_plat/validation/api/Makefile.inc | 1 + test/linux-generic/Makefile.inc | 2 +- 7 files changed, 23 insertions(+), 18 deletions(-) diff --git a/configure.ac b/configure.ac index 45812f66..3432b29a 100644 --- a/configure.ac +++ b/configure.ac @@ -210,7 +210,6 @@ AC_SUBST([testdir]) # Set conditionals as computed within platform specific files ########################################################################## AM_CONDITIONAL([netmap_support], [test x$netmap_support = xyes ]) -AM_CONDITIONAL([PKTIO_DPDK], [test x$pktio_dpdk_support = xyes ]) AM_CONDITIONAL([HAVE_PCAP], [test $have_pcap = yes]) AM_CONDITIONAL([SDK_INSTALL_PATH_], [test "x${SDK_INSTALL_PATH_}" = "x1"]) AM_CONDITIONAL([test_installdir], [test "$testdir" != ""]) diff --git a/pkgconfig/libodp-linux.pc.in b/pkgconfig/libodp-linux.pc.in index 0c5883b6..6dc06dc9 100644 --- a/pkgconfig/libodp-linux.pc.in +++ b/pkgconfig/libodp-linux.pc.in @@ -6,6 +6,6 @@ includedir=@includedir@ Name: libodp-linux Description: The ODP packet processing engine Version: @PKGCONFIG_VERSION@ -Libs: -L${libdir} -lodp-linux -Libs.private: @OPENSSL_STATIC_LIBS@ -lpcap @PTHREAD_LIBS@ -lrt -lpthread @ATOMIC_LIBS@ +Libs: -L${libdir} -lodp-linux @DPDK_LIBS@ +Libs.private: @OPENSSL_STATIC_LIBS@ @DPDK_PMDS@ @DPDK_LIBS@ -lpcap @PTHREAD_LIBS@ -lrt -lpthread @ATOMIC_LIBS@ Cflags: -I${includedir} diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am index eb7b0422..45bee7ea 100644 --- a/platform/linux-generic/Makefile.am +++ b/platform/linux-generic/Makefile.am @@ -12,6 +12,7 @@ AM_CFLAGS += -Iinclude AM_CFLAGS += -D_ODP_PKTIO_IPC AM_CPPFLAGS += $(OPENSSL_CPPFLAGS) +AM_CPPFLAGS += $(DPDK_CPPFLAGS) include_HEADERS = \ $(top_srcdir)/include/odp.h \ @@ -257,6 +258,7 @@ endif __LIB__libodp_linux_la_LIBADD = $(ATOMIC_LIBS) __LIB__libodp_linux_la_LIBADD += $(OPENSSL_LIBS) +__LIB__libodp_linux_la_LIBADD += $(DPDK_LIBS) $(DPDK_PMDS) # Create symlink for ABI header files. Application does not need to use the arch # specific include path for installed files. diff --git a/platform/linux-generic/m4/odp_dpdk.m4 b/platform/linux-generic/m4/odp_dpdk.m4 index 58d14727..1995e0fe 100644 --- a/platform/linux-generic/m4/odp_dpdk.m4 +++ b/platform/linux-generic/m4/odp_dpdk.m4 @@ -4,15 +4,15 @@ pktio_dpdk_support=no AC_ARG_WITH([dpdk-path], AC_HELP_STRING([--with-dpdk-path=DIR path to dpdk build directory]), - [DPDK_PATH=$withval - AM_CPPFLAGS="$AM_CPPFLAGS -msse4.2 -isystem $DPDK_PATH/include" + [DPDK_PATH="$withval" + DPDK_CPPFLAGS="-msse4.2 -isystem $DPDK_PATH/include" pktio_dpdk_support=yes],[]) ########################################################################## # Save and set temporary compilation flags ########################################################################## -OLD_CPPFLAGS=$CPPFLAGS -CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" +OLD_CPPFLAGS="$CPPFLAGS" +CPPFLAGS="$DPDK_CPPFLAGS $CPPFLAGS" ########################################################################## # Check for DPDK availability @@ -25,22 +25,23 @@ 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/$/,/p'` + AS_VAR_SET([DPDK_PMDS], [-Wl,--whole-archive,]) + for filename in "$DPDK_PATH"/lib/librte_pmd_*.a; do + cur_driver=`basename "$filename" .a | sed -e 's/^lib//'` # rte_pmd_nfp has external dependencies which break linking - if test "$cur_driver" = "-lrte_pmd_nfp,"; then + if test "$cur_driver" = "rte_pmd_nfp"; then echo "skip linking rte_pmd_nfp" else - DPDK_PMD+=$cur_driver + AS_VAR_APPEND([DPDK_PMDS], [-l$cur_driver,]) fi done - DPDK_PMD+=--no-whole-archive + AS_VAR_APPEND([DPDK_PMDS], [--no-whole-archive]) ODP_CFLAGS="$ODP_CFLAGS -DODP_PKTIO_DPDK" - AM_LDFLAGS="$AM_LDFLAGS -L$DPDK_PATH/lib -Wl,$DPDK_PMD" - LIBS="$LIBS -ldpdk -ldl -lpcap" + DPDK_LIBS="-L$DPDK_PATH/lib -ldpdk -lpthread -ldl -lpcap" + AC_SUBST([DPDK_CPPFLAGS]) + AC_SUBST([DPDK_LIBS]) + AC_SUBST([DPDK_PMDS]) else pktio_dpdk_support=no fi @@ -49,3 +50,5 @@ fi # Restore old saved variables ########################################################################## CPPFLAGS=$OLD_CPPFLAGS + +AM_CONDITIONAL([PKTIO_DPDK], [test x$pktio_dpdk_support = xyes ]) diff --git a/test/Makefile.inc b/test/Makefile.inc index 1ef2a92c..bf31b374 100644 --- a/test/Makefile.inc +++ b/test/Makefile.inc @@ -4,7 +4,7 @@ LIB = $(top_builddir)/lib #in the following line, the libs using the symbols should come before #the libs containing them! The includer is given a chance to add things #before libodp by setting PRE_LDADD before the inclusion. -LDADD = $(PRE_LDADD) $(LIB)/libodphelper.la $(LIB)/libodp-linux.la +LDADD = $(PRE_LDADD) $(LIB)/libodphelper.la $(LIB)/libodp-linux.la $(DPDK_PMDS) INCFLAGS = \ -I$(top_builddir)/platform/@with_platform@/include \ diff --git a/test/common_plat/validation/api/Makefile.inc b/test/common_plat/validation/api/Makefile.inc index dda18adc..6069ee6b 100644 --- a/test/common_plat/validation/api/Makefile.inc +++ b/test/common_plat/validation/api/Makefile.inc @@ -9,6 +9,7 @@ AUTOMAKE_OPTIONS = nostdinc AM_CFLAGS += -I$(top_srcdir)/test/common_plat/common AM_LDFLAGS += -static +AM_LDFLAGS += $(DPDK_PMDS) LIBCUNIT_COMMON = $(COMMON_DIR)/libcunit_common.la LIBCPUMASK_COMMON = $(COMMON_DIR)/libcpumask_common.la diff --git a/test/linux-generic/Makefile.inc b/test/linux-generic/Makefile.inc index 198087f3..6e165d8d 100644 --- a/test/linux-generic/Makefile.inc +++ b/test/linux-generic/Makefile.inc @@ -6,7 +6,7 @@ AM_LDFLAGS += -static LIBCUNIT_COMMON = $(top_builddir)/test/common_plat/common/libcunit_common.la LIB = $(top_builddir)/lib -LIBODP = $(LIB)/libodphelper.la $(LIB)/libodp-linux.la +LIBODP = $(LIB)/libodphelper.la $(LIB)/libodp-linux.la $(DPDK_PMDS) INCCUNIT_COMMON = -I$(top_srcdir)/test/common_plat/common INCODP = \