update 'git rebase' documentation

diff --git a/Makefile b/Makefile
index 6e857e62c3d02fa2bfef7b9224e24d5b6a279c9c..7fbb81578264e47c83857e864e58b32c4f81a5fa 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,10 @@ all::
 
 # Define V=1 to have a more verbose compile.
 #
+# Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
+# or vsnprintf() return -1 instead of number of characters which would
+# have been written to the final string if enough space had been available.
+#
 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
 # when attempting to read from an fopen'ed directory.
 #
@@ -630,6 +634,10 @@ endif
 ifdef NO_C99_FORMAT
        BASIC_CFLAGS += -DNO_C99_FORMAT
 endif
+ifdef SNPRINTF_RETURNS_BOGUS
+       COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
+       COMPAT_OBJS += compat/snprintf.o
+endif
 ifdef FREAD_READS_DIRECTORIES
        COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
        COMPAT_OBJS += compat/fopen.o