Allow cloning to an existing empty directory

diff --git a/Makefile b/Makefile
index 649cfb819f6fc3f0164bac8d3c8b11aee6f0827f..dee97c1b010503acb170be08b721e69e45f5d569 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -90,6 +90,8 @@ all::
 #
 # Define NO_MMAP if you want to avoid mmap.
 #
+# Define NO_PTHREADS if you do not have or do not want to use Pthreads.
+#
 # Define NO_PREAD if you have a problem with pread() system call (e.g.
 # cygwin.dll before v1.5.22).
 #
@@ -164,6 +166,7 @@ uname_M := $(shell sh -c 'uname -m 2>/dev/null || echo not')
 uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
 uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
 uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
+uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
@@ -317,6 +320,7 @@ BUILT_INS += git-merge-subtree$X
 BUILT_INS += git-peek-remote$X
 BUILT_INS += git-repo-config$X
 BUILT_INS += git-show$X
+BUILT_INS += git-stage$X
 BUILT_INS += git-status$X
 BUILT_INS += git-whatchanged$X
 
@@ -641,6 +645,7 @@ ifeq ($(uname_S),Darwin)
        endif
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
+       THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),SunOS)
        NEEDS_SOCKET = YesPlease
@@ -722,6 +727,11 @@ ifeq ($(uname_S),AIX)
        INTERNAL_QSORT = UnfortunatelyYes
        NEEDS_LIBICONV=YesPlease
        BASIC_CFLAGS += -D_LARGE_FILES
+       ifneq ($(shell expr "$(uname_V)" : '[1234]'),1)
+               THREADED_DELTA_SEARCH = YesPlease
+       else
+               NO_PTHREADS = YesPlease
+       endif
 endif
 ifeq ($(uname_S),GNU)
        # GNU/Hurd
@@ -766,6 +776,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_STRCASESTR = YesPlease
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
+       NO_PTHREADS = YesPlease
        NEEDS_LIBICONV = YesPlease
        OLD_ICONV = YesPlease
        NO_C99_FORMAT = YesPlease
@@ -1017,9 +1028,15 @@ ifdef INTERNAL_QSORT
        COMPAT_OBJS += compat/qsort.o
 endif
 
+ifdef NO_PTHREADS
+       THREADED_DELTA_SEARCH =
+       BASIC_CFLAGS += -DNO_PTHREADS
+else
+       EXTLIBS += $(PTHREAD_LIBS)
+endif
+
 ifdef THREADED_DELTA_SEARCH
        BASIC_CFLAGS += -DTHREADED_DELTA_SEARCH
-       EXTLIBS += $(PTHREAD_LIBS)
        LIB_OBJS += thread-utils.o
 endif
 ifdef DIR_HAS_BSD_GROUP_SEMANTICS
@@ -1290,6 +1307,9 @@ html:
 info:
        $(MAKE) -C Documentation info
 
+pdf:
+       $(MAKE) -C Documentation pdf
+
 TAGS:
        $(RM) TAGS
        $(FIND) . -name '*.[hcS]' -print | xargs etags -a
@@ -1432,6 +1452,9 @@ install-html:
 install-info:
        $(MAKE) -C Documentation install-info
 
+install-pdf:
+       $(MAKE) -C Documentation install-pdf
+
 quick-install-doc:
        $(MAKE) -C Documentation quick-install