Make 'git submodule update --force' always check out submodules.

diff --git a/Makefile b/Makefile
index 4592f1f2ee82a656c9dfd2fcf9132e4fd132bc67..67d761e83adad8e3332b22fbe753e0cdb81b1a83 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -158,6 +158,9 @@ all::
 # Define NO_PREAD if you have a problem with pread() system call (e.g.
 # cygwin1.dll before v1.5.22).
 #
+# Define NO_THREAD_SAFE_PREAD if your pread() implementation is not
+# thread-safe. (e.g. compat/pread.c or cygwin)
+#
 # Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
 # generally faster on your platform than accessing the working directory.
 #
@@ -1051,6 +1054,7 @@ ifeq ($(uname_O),Cygwin)
                NO_IPV6 = YesPlease
                OLD_ICONV = UnfortunatelyYes
        endif
+       NO_THREAD_SAFE_PREAD = YesPlease
        NEEDS_LIBICONV = YesPlease
        NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
        NO_TRUSTABLE_FILEMODE = UnfortunatelyYes
@@ -1659,6 +1663,10 @@ endif
 ifdef NO_PREAD
        COMPAT_CFLAGS += -DNO_PREAD
        COMPAT_OBJS += compat/pread.o
+       NO_THREAD_SAFE_PREAD = YesPlease
+endif
+ifdef NO_THREAD_SAFE_PREAD
+       BASIC_CFLAGS += -DNO_THREAD_SAFE_PREAD
 endif
 ifdef NO_FAST_WORKING_DIRECTORY
        BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY