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sparse: Fix errors due to missing target-specific variables

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In particular, sparse issues the following errors:

    attr.c:472:43: error: undefined identifier 'ETC_GITATTRIBUTES'
    config.c:821:43: error: undefined identifier 'ETC_GITCONFIG'
    exec_cmd.c:14:37: error: undefined identifier 'PREFIX'
    exec_cmd.c:83:28: error: undefined identifier 'GIT_EXEC_PATH'
    builtin/help.c:328:46: error: undefined identifier 'GIT_MAN_PATH'
    builtin/help.c:374:40: error: undefined identifier 'GIT_INFO_PATH'
    builtin/help.c:382:45: error: undefined identifier 'GIT_HTML_PATH'
    git.c:96:42: error: undefined identifier 'GIT_HTML_PATH'
    git.c:241:35: error: invalid initializer
    http.c:293:43: error: undefined identifier 'GIT_HTTP_USER_AGENT'

which is caused by not passing the target-specific additions to
the EXTRA_CPPFLAGS variable to cgcc.

In order to fix the problem, we define a new sparse target which
depends on a set of non-existent "sparse object" files (*.sp)
which correspond to the set of C source files. In addition to the
new target, we also provide a new pattern rule for "creating" the
sparse object files from the source files by running cgcc.  This
allows us to add '*.sp' to the rules setting the target-specific
EXTRA_CPPFLAGS variable, which is then included in the new pattern
rule to run cgcc.

Also, we change the 'check' target to re-direct the user to the
new sparse target.

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ramsay Jones 2011-04-21 20:14:42 +01:00 committed by Junio C Hamano
parent 1e0f8c41ac
commit 0bcd9ae85d
1 changed files with 28 additions and 17 deletions
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45
Makefile
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@ -1581,6 +1581,7 @@ ifndef V
QUIET_LNCP = @echo ' ' LN/CP $@;
QUIET_XGETTEXT = @echo ' ' XGETTEXT $@;
QUIET_GCOV = @echo ' ' GCOV $@;
QUIET_SP = @echo ' ' SP $<;
QUIET_SUBDIR0 = +@subdir=
QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
$(MAKE) $(PRINT_DIR) -C $$subdir
@ -1676,17 +1677,17 @@ strip: $(PROGRAMS) git$X
$(STRIP) $(STRIP_OPTS) $(PROGRAMS) git$X
git.o: common-cmds.h
git.s git.o: EXTRA_CPPFLAGS = -DGIT_VERSION='"$(GIT_VERSION)"' \
git.sp git.s git.o: EXTRA_CPPFLAGS = -DGIT_VERSION='"$(GIT_VERSION)"' \
'-DGIT_HTML_PATH="$(htmldir_SQ)"'
git$X: git.o $(BUILTIN_OBJS) $(GITLIBS)
$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ git.o \
$(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS)
help.o: common-cmds.h
help.sp help.o: common-cmds.h
builtin/help.o: common-cmds.h
builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
builtin/help.sp builtin/help.o: common-cmds.h
builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
'-DGIT_HTML_PATH="$(htmldir_SQ)"' \
'-DGIT_MAN_PATH="$(mandir_SQ)"' \
'-DGIT_INFO_PATH="$(infodir_SQ)"'
@ -1972,30 +1973,34 @@ $(VCSSVN_OBJS) $(VCSSVN_TEST_OBJS): $(LIB_H) \
test-svn-fe.o: vcs-svn/svndump.h
endif
exec_cmd.s exec_cmd.o: EXTRA_CPPFLAGS = \
exec_cmd.sp exec_cmd.s exec_cmd.o: EXTRA_CPPFLAGS = \
'-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
'-DBINDIR="$(bindir_relative_SQ)"' \
'-DPREFIX="$(prefix_SQ)"'
builtin/init-db.s builtin/init-db.o: EXTRA_CPPFLAGS = \
builtin/init-db.sp builtin/init-db.s builtin/init-db.o: EXTRA_CPPFLAGS = \
-DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"'
config.s config.o: EXTRA_CPPFLAGS = -DETC_GITCONFIG='"$(ETC_GITCONFIG_SQ)"'
config.sp config.s config.o: EXTRA_CPPFLAGS = \
-DETC_GITCONFIG='"$(ETC_GITCONFIG_SQ)"'
attr.s attr.o: EXTRA_CPPFLAGS = -DETC_GITATTRIBUTES='"$(ETC_GITATTRIBUTES_SQ)"'
attr.sp attr.s attr.o: EXTRA_CPPFLAGS = \
-DETC_GITATTRIBUTES='"$(ETC_GITATTRIBUTES_SQ)"'
http.s http.o: EXTRA_CPPFLAGS = -DGIT_HTTP_USER_AGENT='"git/$(GIT_VERSION)"'
http.sp http.s http.o: EXTRA_CPPFLAGS = \
-DGIT_HTTP_USER_AGENT='"git/$(GIT_VERSION)"'
ifdef NO_EXPAT
http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
http-walker.sp http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
endif
ifdef NO_REGEX
compat/regex/regex.o: EXTRA_CPPFLAGS = -DGAWK -DNO_MBSUPPORT
compat/regex/regex.sp compat/regex/regex.o: EXTRA_CPPFLAGS = \
-DGAWK -DNO_MBSUPPORT
endif
ifdef USE_NED_ALLOCATOR
compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
-DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
endif
@ -2161,14 +2166,20 @@ test-%$X: test-%.o $(GITLIBS)
check-sha1:: test-sha1$X
./test-sha1.sh
SP_OBJ = $(patsubst %.o,%.sp,$(C_OBJ))
$(SP_OBJ): %.sp: %.c GIT-CFLAGS FORCE
$(QUIET_SP)cgcc -no-compile $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) \
$(SPARSE_FLAGS) $<
.PHONY: sparse $(SP_OBJ)
sparse: $(SP_OBJ)
check: common-cmds.h
@if sparse; \
then \
for i in $(patsubst %.o, %.c, $(GIT_OBJS)); \
do \
echo ' ' SP $$i; \
cgcc -no-compile $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
done; \
echo 2>&1 "Use 'make sparse' instead"; \
$(MAKE) --no-print-directory sparse; \
else \
echo 2>&1 "Did you mean 'make test'?"; \
exit 1; \