build-sys: link with librt if linking with libsd-daemon-int

In fba1ea0 'build: do not link everything with -lrt (and
therefore -pthread)' librt was removed from the list of
libraries. But libsd-daemon-internal also uses symbols from
librt and librt must thus be added everywhere where
libsd-daemon-interal is used, or otherwise linking might
fail:

/usr/bin/ld: ./.libs/libudev-core.a(sd-daemon.o): undefined reference to symbol 'mq_getattr@@GLIBC_2.3.4'
/usr/bin/ld: note: 'mq_getattr@@GLIBC_2.3.4' is defined in DSO /lib64/librt.so.1 so try adding it to the linker command line

diff --git a/Makefile.am b/Makefile.am
index b9c283503cff092f7fa1ad925e4809bebccab796..b8b8d06629e2413e6cead755730e4defd100e0ac 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -2090,6 +2090,7 @@ libudev_la_LIBADD = \
        libsystemd-shared.la \
        libsystemd-label.la \
        libsystemd-daemon-internal.la \
+       $(RT_LIBS) \
        libsystemd-id128-internal.la
 
 pkgconfiglib_DATA += \
@@ -2261,6 +2262,7 @@ libudev_core_la_LIBADD = \
        libudev-private.la \
        libsystemd-label.la \
        libsystemd-daemon-internal.la \
+       $(RT_LIBS) \
        libsystemd-shared.la \
        $(BLKID_LIBS) \
        $(KMOD_LIBS)
@@ -2647,7 +2649,8 @@ libsystemd_id128_la_LDFLAGS = \
 libsystemd_id128_la_LIBADD = \
        libsystemd-shared.la \
        libsystemd-label.la \
-       libsystemd-daemon-internal.la
+       libsystemd-daemon-internal.la \
+       $(RT_LIBS)
 
 libsystemd_id128_internal_la_SOURCES = \
        $(libsystemd_id128_la_SOURCES)
@@ -2800,6 +2803,7 @@ test_journal_init_SOURCES = \
 test_journal_init_LDADD = \
        libsystemd-shared.la \
        libsystemd-daemon-internal.la \
+       $(RT_LIBS) \
        libsystemd-journal.la
 
 test_journal_verify_SOURCES = \
@@ -2866,6 +2870,7 @@ libsystemd_journal_la_LIBADD = \
        libsystemd-shared.la \
        libsystemd-label.la \
        libsystemd-daemon-internal.la \
+       $(RT_LIBS) \
        libsystemd-id128-internal.la
 
 libsystemd_journal_internal_la_SOURCES = \
@@ -3815,7 +3820,8 @@ libsystemd_login_la_LDFLAGS = \
 
 libsystemd_login_la_LIBADD = \
        libsystemd-shared.la \
-       libsystemd-daemon-internal.la
+       libsystemd-daemon-internal.la \
+       $(RT_LIBS)
 
 libsystemd_login_internal_la_SOURCES = \
        $(libsystemd_login_la_SOURCES)
@@ -3843,6 +3849,7 @@ pam_systemd_la_LIBADD = \
        libsystemd-dbus.la \
        libsystemd-shared.la \
        libsystemd-daemon-internal.la \
+       $(RT_LIBS) \
        $(PAM_LIBS)
 
 pamlib_LTLIBRARIES = \
@@ -4027,7 +4034,8 @@ _reader_la_LIBADD = \
        libsystemd-journal.la \
        libsystemd-id128.la \
        libsystemd-shared.la \
-       libsystemd-daemon-internal.la
+       libsystemd-daemon-internal.la \
+       $(RT_LIBS)
 
 login_la_SOURCES = \
        src/python-systemd/login.c \
@@ -4050,7 +4058,8 @@ login_la_LIBADD = \
        libsystemd-journal.la \
        libsystemd-login.la \
        libsystemd-shared.la \
-       libsystemd-daemon-internal.la
+       libsystemd-daemon-internal.la \
+       $(RT_LIBS)
 
 dist_pkgpyexec_PYTHON = \
        src/python-systemd/journal.py \