t/helper: add an empty test-tool program

diff --git a/Makefile b/Makefile
index de4b8f0c02e2119f7252ff9e6b6c6d479e664a36..2376646e98f18bca40f5d2503f6aa4ffaaf54679 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -296,6 +296,12 @@ all::
 #
 # Define NO_PERL if you do not want Perl scripts or libraries at all.
 #
+# Define NO_PERL_CPAN_FALLBACKS if you do not want to install bundled
+# copies of CPAN modules that serve as a fallback in case the modules
+# are not available on the system. This option is intended for
+# distributions that want to use their packaged versions of Perl
+# modules, instead of the fallbacks shipped with Git.
+#
 # Define PYTHON_PATH to the path of your Python binary (often /usr/bin/python
 # but /usr/bin/python2.7 on some platforms).
 #
@@ -540,6 +546,7 @@ SCRIPT_PERL =
 SCRIPT_PYTHON =
 SCRIPT_SH =
 SCRIPT_LIB =
+TEST_BUILTINS_OBJS =
 TEST_PROGRAMS_NEED_X =
 
 # Having this variable in your environment would break pipelines because
@@ -684,6 +691,7 @@ TEST_PROGRAMS_NEED_X += test-string-list
 TEST_PROGRAMS_NEED_X += test-submodule-config
 TEST_PROGRAMS_NEED_X += test-subprocess
 TEST_PROGRAMS_NEED_X += test-svn-fe
+TEST_PROGRAMS_NEED_X += test-tool
 TEST_PROGRAMS_NEED_X += test-urlmatch-normalization
 TEST_PROGRAMS_NEED_X += test-wildmatch
 
@@ -2077,7 +2085,7 @@ VCSSVN_OBJS += vcs-svn/fast_export.o
 VCSSVN_OBJS += vcs-svn/svndiff.o
 VCSSVN_OBJS += vcs-svn/svndump.o
 
-TEST_OBJS := $(patsubst %$X,%.o,$(TEST_PROGRAMS))
+TEST_OBJS := $(patsubst %$X,%.o,$(TEST_PROGRAMS)) $(patsubst %,t/helper/%,$(TEST_BUILTINS_OBJS))
 OBJECTS := $(LIB_OBJS) $(BUILTIN_OBJS) $(PROGRAM_OBJS) $(TEST_OBJS) \
        $(XDIFF_OBJS) \
        $(VCSSVN_OBJS) \
@@ -2304,14 +2312,22 @@ po/build/locale/%/LC_MESSAGES/git.mo: po/%.po
 
 LIB_PERL := $(wildcard perl/Git.pm perl/Git/*.pm perl/Git/*/*.pm perl/Git/*/*/*.pm)
 LIB_PERL_GEN := $(patsubst perl/%.pm,perl/build/lib/%.pm,$(LIB_PERL))
+LIB_CPAN := $(wildcard perl/FromCPAN/*.pm perl/FromCPAN/*/*.pm)
+LIB_CPAN_GEN := $(patsubst perl/%.pm,perl/build/lib/%.pm,$(LIB_CPAN))
 
 ifndef NO_PERL
 all:: $(LIB_PERL_GEN)
+ifndef NO_PERL_CPAN_FALLBACKS
+all:: $(LIB_CPAN_GEN)
+endif
+NO_PERL_CPAN_FALLBACKS_SQ = $(subst ','\'',$(NO_PERL_CPAN_FALLBACKS))
 endif
 
 perl/build/lib/%.pm: perl/%.pm
        $(QUIET_GEN)mkdir -p $(dir $@) && \
-       sed -e 's|@@LOCALEDIR@@|$(localedir_SQ)|g' < $< > $@
+       sed -e 's|@@LOCALEDIR@@|$(localedir_SQ)|g' \
+           -e 's|@@NO_PERL_CPAN_FALLBACKS@@|$(NO_PERL_CPAN_FALLBACKS_SQ)|g' \
+       < $< > $@
 
 perl/build/man/man3/Git.3pm: perl/Git.pm
        $(QUIET_GEN)mkdir -p $(dir $@) && \
@@ -2480,6 +2496,8 @@ t/helper/test-svn-fe$X: $(VCSSVN_LIB)
 
 .PRECIOUS: $(TEST_OBJS)
 
+t/helper/test-tool$X: $(patsubst %,t/helper/%,$(TEST_BUILTINS_OBJS))
+
 t/helper/test-%$X: t/helper/test-%.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(filter %.a,$^) $(LIBS)