Check for `nanosleep'. If not found, look for `librt'. Abort if `nanosleep' is missing.

This is needed on Solaris, apparently..

diff --git a/configure.in b/configure.in
index f2573a3..7100049 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -270,6 +270,10 @@ AC_CHECK_FUNCS(strchr memcpy strstr strcmp strncmp strncpy strlen)
 AC_CHECK_FUNCS(strncasecmp strcasecmp)
 AC_CHECK_FUNCS(openlog syslog closelog)
 
+nanosleep_needs_rt="no"
+AC_CHECK_FUNCS(nanosleep, [], AC_CHECK_LIB(rt, nanosleep, [nanosleep_needs_rt="yes"], AC_MSG_ERROR(cannot find nanosleep)))
+AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")
+
 # For cpu module
 AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])
 

diff --git a/src/Makefile.am b/src/Makefile.am
index 025548a..e3cf843 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -32,6 +32,9 @@ collectd_LDFLAGS = -export-dynamic
 if BUILD_WITH_RRDTOOL
 collectd_LDFLAGS += -lm -lrrd
 endif
+if BUILD_WITH_LIBRT
+collectd_LDFLAGS += -lrt
+endif
 if BUILD_WITH_LIBSOCKET
 collectd_LDFLAGS += -lsocket
 endif