Make Pthread link flags configurable

FreeBSD 4.x systems use the linker flags `-pthread' instead of the
linker flags `-lpthread' when linking against the pthread library.

Signed-off-by: David M. Syzdek <david.syzdek@acsalaska.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Makefile b/Makefile
index 426e1a652f23e55bf74f1c9024087d21cf285b49..02f68e05f5f78def774b02ab6af843bc48a9f0c9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -229,6 +229,7 @@ INSTALL = install
 RPMBUILD = rpmbuild
 TCL_PATH = tclsh
 TCLTK_PATH = wish
+PTHREAD_LIBS = -lpthread
 
 export TCL_PATH TCLTK_PATH
 
@@ -695,6 +696,7 @@ ifeq ($(uname_S),FreeBSD)
        COMPAT_CFLAGS += -Icompat/regex
        COMPAT_OBJS += compat/regex/regex.o
        ifeq ($(shell expr "$(uname_R)" : '4\.'),2)
+               PTHREAD_LIBS = -pthread
                NO_UINTMAX_T = YesPlease
                NO_STRTOUMAX = YesPlease
        endif
@@ -1023,7 +1025,7 @@ endif
 
 ifdef THREADED_DELTA_SEARCH
        BASIC_CFLAGS += -DTHREADED_DELTA_SEARCH
-       EXTLIBS += -lpthread
+       EXTLIBS += $(PTHREAD_LIBS)
        LIB_OBJS += thread-utils.o
 endif
 ifdef DIR_HAS_BSD_GROUP_SEMANTICS