Use preprocessor constants for environment variable names.

diff --git a/Makefile b/Makefile
index 906e98492080d2fde9467a9970fc92d7a8cfeaf8..8919dabc781867e121238dd8dd0a05a8ac02586e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,9 @@ all:
 #
 # Define NO_MMAP if you want to avoid mmap.
 #
+# Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
+# generally faster on your platform than accessing the working directory.
+#
 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 #
 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
@@ -225,6 +228,8 @@ ifndef PERL_PATH
        PERL_PATH = /usr/bin/perl
 endif
 
+export PERL_PATH
+
 LIB_FILE=libgit.a
 XDIFF_LIB=xdiff/lib.a
 
@@ -279,6 +284,7 @@ BUILTIN_OBJS = \
        builtin-ls-tree.o \
        builtin-mailinfo.o \
        builtin-mailsplit.o \
+       builtin-merge-file.o \
        builtin-mv.o \
        builtin-name-rev.o \
        builtin-pack-objects.o \
@@ -354,6 +360,7 @@ ifeq ($(uname_O),Cygwin)
        NO_SYMLINK_HEAD = YesPlease
        NEEDS_LIBICONV = YesPlease
        NO_C99_FORMAT = YesPlease
+       NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
        # There are conflicting reports about this.
        # On some boxes NO_MMAP is needed, and not so elsewhere.
        # Try uncommenting this if you see things break -- YMMV.
@@ -505,6 +512,9 @@ ifdef NO_MMAP
        COMPAT_CFLAGS += -DNO_MMAP
        COMPAT_OBJS += compat/mmap.o
 endif
+ifdef NO_FAST_WORKING_DIRECTORY
+       BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
+endif
 ifdef NO_IPV6
        BASIC_CFLAGS += -DNO_IPV6
 endif
@@ -737,7 +747,8 @@ $(DIFF_OBJS): diffcore.h
 $(LIB_FILE): $(LIB_OBJS)
        rm -f $@ && $(AR) rcs $@ $(LIB_OBJS)
 
-XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o
+XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o \
+       xdiff/xmerge.o
 $(XDIFF_OBJS): xdiff/xinclude.h xdiff/xmacros.h xdiff/xdiff.h xdiff/xtypes.h \
        xdiff/xutils.h xdiff/xprepare.h xdiff/xdiffi.h xdiff/xemit.h
 
@@ -785,8 +796,8 @@ test: all
 test-date$X: test-date.c date.o ctype.o
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) test-date.c date.o ctype.o
 
-test-delta$X: test-delta.c diff-delta.o patch-delta.o
-       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $^
+test-delta$X: test-delta.o diff-delta.o patch-delta.o $(GITLIBS)
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
 test-dump-cache-tree$X: dump-cache-tree.o $(GITLIBS)
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)