Add -lpthread to LLDB shared lib link line unconditionally

Usually -lpthread is included due to LLVM link options,
but when LLVM threading is disabled, this does not happen.
pthread is still needed however because LLDB uses threading
regardless of whether LLVM is built with threading support or not.

Differential Revision: http://reviews.llvm.org/D5431

llvm-svn: 241006

lldb/lib/Makefile

@@ -188,7 +188,7 @@ ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux GNU GNU/kFreeBSD))
     # Don't allow unresolved symbols.
     LLVMLibsOptions += -Wl,--no-undefined
     # Link in python
-    LLVMLibsOptions += $(PYTHON_BUILD_FLAGS) -lrt -ledit -lncurses -lpanel
+    LLVMLibsOptions += $(PYTHON_BUILD_FLAGS) -lrt -ledit -lncurses -lpanel -lpthread
     LLVMLibsOptions += -Wl,--soname,lib$(LIBRARYNAME)$(SHLIBEXT)
 endif
 
@@ -200,5 +200,5 @@ ifeq ($(HOST_OS),FreeBSD)
     LLVMLibsOptions += -Wl,--allow-shlib-undefined
     # Link in python
     LLVMLibsOptions += $(PYTHON_BUILD_FLAGS) -lrt -L/usr/local/lib -lexecinfo \
-                       -ledit -lncurses -lpanel
+                       -ledit -lncurses -lpanel -lpthread
 endif

lldb/tools/lldb-mi/Makefile

@@ -22,11 +22,11 @@ ifeq ($(HOST_OS),Darwin)
 endif
 
 ifneq (,$(filter $(HOST_OS), Linux GNU/kFreeBSD))
-	LLVMLibsOptions += -Wl,-rpath,$(LibDir)
+	LLVMLibsOptions += -Wl,-rpath,$(LibDir) -lpthread
 endif
 
 ifeq ($(HOST_OS),FreeBSD)
 	CPP.Flags += -I/usr/include/edit #-v
-	LLVMLibsOptions += -Wl,-rpath,$(LibDir)
+	LLVMLibsOptions += -Wl,-rpath,$(LibDir) -lpthread
 endif
 

lldb/tools/lldb-server/Makefile

@@ -21,5 +21,5 @@ ifeq ($(HOST_OS),Darwin)
 endif
 
 ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD GNU/kFreeBSD))
-	LLVMLibsOptions += -Wl,-rpath,$(LibDir)
+	LLVMLibsOptions += -Wl,-rpath,$(LibDir) -lpthread
 endif