diff mbox series

[v2,1/2] build: provide an option to link examples dynamically

Message ID 1516114824-5567-2-git-send-email-odpbot@yandex.ru
State New
Headers show
Series [v2,1/2] build: provide an option to link examples dynamically | expand

Commit Message

Github ODP bot Jan. 16, 2018, 3 p.m. UTC 
From: Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org>


Distributions won't like statically-linked binaries. Provide configure
switch to link examples and tests dynamically.

Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsolenikov@linaro.org>

---
/** Email created from pull request 390 (lumag:dynamic-link-tests)
 ** https://github.com/Linaro/odp/pull/390
 ** Patch: https://github.com/Linaro/odp/pull/390.patch
 ** Base sha: 520c170d758f2d37554631bf1467ec50e027cd3e
 ** Merge commit sha: 99e3ea3ce3180085458e6433d371763dec004329
 **/
 configure.ac                                 | 11 +++++++++++
 example/Makefile.inc                         |  4 ++++
 platform/linux-generic/test/ring/Makefile.am |  5 +++++
 test/Makefile.inc                            | 11 ++++++++++-
 4 files changed, 30 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/configure.ac b/configure.ac
index 177881a58..3242c453c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -172,6 +172,16 @@  AS_IF([test "${with_platform}" = "linux-generic"],
 AC_DEFINE_UNQUOTED([IMPLEMENTATION_NAME], ["$IMPLEMENTATION_NAME"],
 		   [Define to the name of the implementation])
 
+##########################################################################
+# Build examples/tests dynamically
+##########################################################################
+AC_ARG_ENABLE([static-tests],
+	      [AS_HELP_STRING([--disable-static-tests],
+			      [disable static linking of examples and tests]
+			      [ with ODP])], [],
+	      [enable_static_tests=yes])
+AM_CONDITIONAL([STATIC_LINK], [test "x$enable_static_tests" != "xno"])
+
 ##########################################################################
 # Include m4 files
 ##########################################################################
@@ -383,6 +393,7 @@  AC_MSG_RESULT([
 	Deprecated APIs:	${deprecated}
 	debug:			${enable_debug}
 	cunit:			${cunit_support}
+	static tests linkage:	${enable_static_tests}
 	test_vald:		${test_vald}
 	test_perf:		${test_perf}
 	test_perf_proc:		${test_perf_proc}
diff --git a/example/Makefile.inc b/example/Makefile.inc
index fa1224338..829977ce8 100644
--- a/example/Makefile.inc
+++ b/example/Makefile.inc
@@ -13,4 +13,8 @@  AM_CFLAGS = \
 	-I$(top_srcdir)/platform/@with_platform@/arch/@ARCH_DIR@ \
 	-I$(top_builddir)/include
 
+if STATIC_LINK
 AM_LDFLAGS = -L$(LIB) -static
+else
+AM_LDFLAGS =
+endif
diff --git a/platform/linux-generic/test/ring/Makefile.am b/platform/linux-generic/test/ring/Makefile.am
index 8287c7e04..637d08e6a 100644
--- a/platform/linux-generic/test/ring/Makefile.am
+++ b/platform/linux-generic/test/ring/Makefile.am
@@ -1,3 +1,7 @@ 
+# ring test uses internal symbols from libodp-linux which are not available
+# when linking test with libodp-linux.so
+if STATIC_LINK
+
 include $(top_srcdir)/test/Makefile.inc
 
 test_PROGRAMS = ring_main
@@ -7,3 +11,4 @@  ring_main_SOURCES = \
 		    ring_basic.c ring_stress.c
 
 PRELDADD += $(LIBCUNIT_COMMON)
+endif
diff --git a/test/Makefile.inc b/test/Makefile.inc
index b0a8749dc..91c278302 100644
--- a/test/Makefile.inc
+++ b/test/Makefile.inc
@@ -11,9 +11,14 @@  LIBTHRMASK_COMMON = $(COMMON_DIR)/libthrmask_common.la
 #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 PRELDADD before the inclusion.
-LDADD = $(PRELDADD) $(LIBODP) $(DPDK_LIBS_LT)
+LDADD = $(PRELDADD) $(LIBODP)
 PRELDADD =
 
+# Do not link to DPDK twice in case of dynamic linking with ODP
+if STATIC_LINK
+LDADD += $(DPDK_LIBS_LT)
+endif
+
 INCFLAGS = \
 	-I$(top_builddir)/platform/@with_platform@/include \
 	-I$(top_srcdir)/helper/include \
@@ -28,7 +33,11 @@  AM_CPPFLAGS = $(INCFLAGS)
 AM_CPPFLAGS += -I$(top_srcdir)/test/common
 AM_CFLAGS = $(CUNIT_CFLAGS)
 
+if STATIC_LINK
 AM_LDFLAGS = -L$(LIB) -static
+else
+AM_LDFLAGS =
+endif
 
 @VALGRIND_CHECK_RULES@