Some build environment with hardening enabled adds -pie flags to LDFLAGS. While it's required for ELF binaries, it doesn't make sens for shared libraries. For this case, filter-out the erroneous option.
Signed-off-by: Francis Giraldeau <[email protected]> --- doc/examples/demo/Makefile | 6 ++++-- doc/examples/easy-ust/Makefile | 4 +++- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/doc/examples/demo/Makefile b/doc/examples/demo/Makefile index bbc8ccb..3145146 100644 --- a/doc/examples/demo/Makefile +++ b/doc/examples/demo/Makefile @@ -34,6 +34,8 @@ EMPTY_AUTOMAKE_TARGETS = distdir install install-data install-exec uninstall \ $(EMPTY_AUTOMAKE_TARGETS): endif +CLEAN_LDFLAGS = $(filter-out -pie,$(LDFLAGS)) + all: demo lttng-ust-provider-ust-tests-demo.so lttng-ust-provider-ust-tests-demo3.so tp.o: tp.c ust_tests_demo.h @@ -43,13 +45,13 @@ tp2.o: tp2.c ust_tests_demo2.h $(CC) $(CPPFLAGS) $(CFLAGS) -fpic -c -o $@ $< lttng-ust-provider-ust-tests-demo.so: tp.o tp2.o - $(CC) -shared -o $@ $(LDFLAGS) -llttng-ust $^ + $(CC) -shared -o $@ $(CLEAN_LDFLAGS) -llttng-ust $^ tp3.o: tp3.c ust_tests_demo3.h $(CC) $(CPPFLAGS) $(CFLAGS) -fpic -c -o $@ $< lttng-ust-provider-ust-tests-demo3.so: tp3.o - $(CC) -shared -o $@ $(LDFLAGS) -llttng-ust $^ + $(CC) -shared -o $@ $(CLEAN_LDFLAGS) -llttng-ust $^ demo.o: demo.c $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $< diff --git a/doc/examples/easy-ust/Makefile b/doc/examples/easy-ust/Makefile index e20e53a..e95a2c5 100644 --- a/doc/examples/easy-ust/Makefile +++ b/doc/examples/easy-ust/Makefile @@ -36,10 +36,12 @@ EMPTY_AUTOMAKE_TARGETS = distdir install install-data install-exec uninstall \ $(EMPTY_AUTOMAKE_TARGETS): endif +CLEAN_LDFLAGS = $(filter-out -pie,$(LDFLAGS)) + all: sample sample: sample.o tp.o - $(CC) -o $@ $^ $(LDFLAGS) $(LIBS) + $(CC) -o $@ $^ $(CLEAN_LDFLAGS) $(LIBS) sample.o: sample.c sample_component_provider.h $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $< -- 1.8.1.2 _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
