27ecfc24343e0d162187e820f24dd3f04aff1d9a
hiram
  Fri Feb 7 12:04:48 2014 -0800
do not need the pthread business on the Mac it causes constant warnings refs #12209
diff --git src/inc/common.mk src/inc/common.mk
index cd5f23f..2506dcb 100644
--- src/inc/common.mk
+++ src/inc/common.mk
@@ -6,31 +6,33 @@
 ifeq (${CFLAGS},)
     CFLAGS=
 endif
 HG_DEFS=-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -DMACHTYPE_${MACHTYPE}
 HG_INC=-I../inc -I../../inc -I../../../inc -I../../../../inc -I../../../../../inc
 
 # to check for Mac OSX Darwin specifics:
 UNAME_S := $(shell uname -s)
 # to check for builds on hgwdev
 FULLWARN = $(shell uname -n)
 
 #global external libraries 
 L=
 
 # pthreads is required
+ifneq ($(UNAME_S),Darwin)
   L+=-pthread
+endif
 
 # autodetect if openssl is installed
 ifeq (${SSLDIR},)
   SSLDIR = /usr/include/openssl
 endif
 ifeq (${USE_SSL},)
   ifneq ($(wildcard ${SSLDIR}),)
      USE_SSL=1
   endif
 endif
 
 
 # autodetect UCSC installation of hal:
 ifeq (${HALDIR},)
     HALDIR = /hive/groups/browser/hal