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-rw-r--r--Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 92341c4bb..fb82d14da 100644
--- a/Makefile
+++ b/Makefile
@@ -137,6 +137,10 @@ all::
# Define THREADED_DELTA_SEARCH if you have pthreads and wish to exploit
# parallel delta searching when packing objects.
#
+# Define INTERNAL_QSORT to use Git's implementation of qsort(), which
+# is a simplified version of the merge sort used in glibc. This is
+# recommended if Git triggers O(n^2) behavior in your platform's qsort().
+#
GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
@$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -722,6 +726,10 @@ ifdef NO_MEMMEM
COMPAT_CFLAGS += -DNO_MEMMEM
COMPAT_OBJS += compat/memmem.o
endif
+ifdef INTERNAL_QSORT
+ COMPAT_CFLAGS += -DINTERNAL_QSORT
+ COMPAT_OBJS += compat/qsort.o
+endif
ifdef THREADED_DELTA_SEARCH
BASIC_CFLAGS += -DTHREADED_DELTA_SEARCH