git-merge: Exit with code 2 if no strategy was able to handle the merge.

[git.git] / Makefile

diff --git a/Makefile b/Makefile
index 0efb0b6..45db357 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,6 @@
+# The default target of this Makefile is...
+all:
+
 # Define MOZILLA_SHA1 environment variable when running make to make use of
 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
@@ -102,6 +105,11 @@ SCRIPT_PERL = \
 SCRIPT_PYTHON = \
        git-merge-recursive.py
 
+SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
+         $(patsubst %.perl,%,$(SCRIPT_PERL)) \
+         $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
+         gitk git-cherry-pick
+
 # The ones that do not have to link with lcrypto nor lz.
 SIMPLE_PROGRAMS = \
        git-get-tar-commit-id$X git-mailinfo$X git-mailsplit$X \
@@ -125,26 +133,28 @@ PROGRAMS = \
        git-unpack-objects$X git-update-index$X git-update-server-info$X \
        git-upload-pack$X git-verify-pack$X git-write-tree$X \
        git-update-ref$X git-symbolic-ref$X git-check-ref-format$X \
-       git-name-rev$X git-pack-redundant$X git-var$X $(SIMPLE_PROGRAMS)
+       git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X
+
+# what 'all' will build and 'install' will install.
+ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS) git$X
 
 # Backward compatibility -- to be removed after 1.0
 PROGRAMS += git-ssh-pull$X git-ssh-push$X
 
-GIT_LIST_TWEAK =
+# Set paths to tools early so that they can be used for version tests.
+ifndef SHELL_PATH
+       SHELL_PATH = /bin/sh
+endif
+ifndef PERL_PATH
+       PERL_PATH = /usr/bin/perl
+endif
+ifndef PYTHON_PATH
+       PYTHON_PATH = /usr/bin/python
+endif
 
 PYMODULES = \
        gitMergeCommon.py
 
-ifdef WITH_OWN_SUBPROCESS_PY
-       PYMODULES += compat/subprocess.py
-endif
-
-ifdef WITH_SEND_EMAIL
-       SCRIPT_PERL += git-send-email.perl
-else
-       GIT_LIST_TWEAK += -e '/^send-email$$/d'
-endif
-
 LIB_FILE=libgit.a
 
 LIB_H = \
@@ -233,6 +243,18 @@ endif
 
 -include config.mak
 
+ifdef WITH_OWN_SUBPROCESS_PY
+       PYMODULES += compat/subprocess.py
+else
+       ifneq ($(shell $(PYTHON_PATH) -c 'import subprocess;print"OK"' 2>/dev/null),OK)
+               PYMODULES += compat/subprocess.py
+       endif
+endif
+
+ifdef WITH_SEND_EMAIL
+       SCRIPT_PERL += git-send-email.perl
+endif
+
 ifndef NO_CURL
        ifdef CURLDIR
                # This is still problematic -- gcc does not always want -R.
@@ -251,16 +273,6 @@ ifndef NO_CURL
        endif
 endif
 
-ifndef SHELL_PATH
-       SHELL_PATH = /bin/sh
-endif
-ifndef PERL_PATH
-       PERL_PATH = /usr/bin/perl
-endif
-ifndef PYTHON_PATH
-       PYTHON_PATH = /usr/bin/python
-endif
-
 ifndef NO_OPENSSL
        LIB_OBJS += epoch.o
        OPENSSL_LIBSSL = -lssl
@@ -333,25 +345,20 @@ endif
 
 ALL_CFLAGS += -DSHA1_HEADER=$(call shellquote,$(SHA1_HEADER))
 
-SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
-         $(patsubst %.perl,%,$(SCRIPT_PERL)) \
-         $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
-         gitk git-cherry-pick
-
 export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 ### Build rules
 
-all: $(PROGRAMS) $(SCRIPTS) git
+all: $(ALL_PROGRAMS)
 
 all:
        $(MAKE) -C templates
 
 # Only use $(CFLAGS). We don't need anything else.
-git: git.c Makefile
+git$(X): git.c Makefile
        $(CC) -DGIT_EXEC_PATH='"$(bindir)"' -DGIT_VERSION='"$(GIT_VERSION)"' \
-               $(CFLAGS) $@.c -o $@
+               $(CFLAGS) $< -o $@
 
-$(filter-out git,$(patsubst %.sh,%,$(SCRIPT_SH))) : % : %.sh
+$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        rm -f $@
        sed -e '1s|#!.*/sh|#!$(call shq,$(SHELL_PATH))|' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
@@ -435,9 +442,9 @@ check:
 
 ### Installation rules
 
-install: $(PROGRAMS) $(SCRIPTS) git
+install: all
        $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(bindir))
-       $(INSTALL) git $(PROGRAMS) $(SCRIPTS) $(call shellquote,$(DESTDIR)$(bindir))
+       $(INSTALL) $(ALL_PROGRAMS) $(call shellquote,$(DESTDIR)$(bindir))
        $(MAKE) -C templates install
        $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
        $(INSTALL) $(PYMODULES) $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
@@ -474,7 +481,8 @@ deb: dist
 ### Cleaning rules
 
 clean:
-       rm -f *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o git $(PROGRAMS) $(LIB_FILE)
+       rm -f *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o $(LIB_FILE)
+       rm -f $(PROGRAMS) $(SIMPLE_PROGRAMS) git$X
        rm -f $(filter-out gitk,$(SCRIPTS))
        rm -f *.spec *.pyc *.pyo
        rm -rf $(GIT_TARNAME)