Patch #730170: Check for sem_init in -lpthread. Fixes #727051.
diff --git a/configure.in b/configure.in
index f495617..6686f2b 100644
--- a/configure.in
+++ b/configure.in
@@ -1248,8 +1248,9 @@
# checks for libraries
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
-AC_SEARCH_LIBS(sem_init, rt posix4) # 'Real Time' functions on Solaris,
- # posix4 on Solaris 2.6
+AC_SEARCH_LIBS(sem_init, pthread rt posix4) # 'Real Time' functions on Solaris
+ # posix4 on Solaris 2.6
+ # pthread (first!) on Linux
# checks for system dependent C++ extensions support
case "$ac_sys_system" in