Hi Thomas, On Monday 29 of December 2014 23:22:54 Thomas Petazzoni wrote: > The mcaptest tool uses the profiles/health/mcap.c source file, which > calls clock_getres(). This function is defined in librt in some C > libraries, so mcaptest should be linked against librt when needed, > otherwise one gets link failures such as: > > ld: profiles/health/mcap.o: undefined reference to symbol 'clock_getres@@GLIBC_2.2.5' > ld: note: 'clock_getres@@GLIBC_2.2.5' is defined in DSO [...]/sysroot/lib64/librt.so.1 so try adding it to the linker command line > [...]/sysroot/lib64/librt.so.1: could not read symbols: Invalid operation > collect2: error: ld returned 1 exit status > Makefile:4184: recipe for target 'tools/mcaptest' failed > > Signed-off-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> > --- > Makefile.tools | 2 +- > configure.ac | 5 +++++ > 2 files changed, 6 insertions(+), 1 deletion(-) > > diff --git a/Makefile.tools b/Makefile.tools > index bc827fe..fef3db5 100644 > --- a/Makefile.tools > +++ b/Makefile.tools > @@ -195,7 +195,7 @@ tools_mcaptest_SOURCES = tools/mcaptest.c \ > btio/btio.h btio/btio.c \ > src/log.c src/log.h \ > profiles/health/mcap.h profiles/health/mcap.c > -tools_mcaptest_LDADD = lib/libbluetooth-internal.la @GLIB_LIBS@ > +tools_mcaptest_LDADD = lib/libbluetooth-internal.la @GLIB_LIBS@ @RT_LIBS@ > > dist_man_MANS += tools/hciattach.1 tools/hciconfig.1 \ > tools/hcitool.1 tools/hcidump.1 \ > diff --git a/configure.ac b/configure.ac > index 4739c10..b0afba6 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -54,6 +54,11 @@ AC_CHECK_LIB(pthread, pthread_create, dummy=yes, > AC_CHECK_LIB(dl, dlopen, dummy=yes, > AC_MSG_ERROR(dynamic linking loader is required)) > > +AC_SEARCH_LIBS([clock_getres], [rt], > + [test "$ac_cv_search_clock_getres" = "none required" || > + RT_LIBS=$ac_cv_search_clock_getres]) > +AC_SUBST([RT_LIBS]) > + > PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.28, dummy=yes, > AC_MSG_ERROR(GLib >= 2.28 is required)) > AC_SUBST(GLIB_CFLAGS) This seems to got lost in traffic. Since it doesn't apply anymore you would have to rebase it. -- Best regards, Szymon Janc -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
