build: do not automatically reconfigure unless configure.ac changed

diff --git a/Makefile b/Makefile
index f4e8fac4915850c0c5bfdfcd03bbe6d417871646..8dc2dbc2eeae18b67a5af5322e5c86c8bb102c18 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -127,9 +127,8 @@ all::
 # specify your own (or DarwinPort's) include directories and
 # library directories by defining CFLAGS and LDFLAGS appropriately.
 #
-# Define BLK_SHA1 environment variable if you want the C version
-# of the SHA1 that assumes you can do unaligned 32-bit loads and
-# have a fast htonl() function.
+# Define BLK_SHA1 environment variable to make use of the bundled
+# optimized C SHA1 routine.
 #
 # Define PPC_SHA1 environment variable when running make to make use of
 # a bundled SHA1 routine optimized for PowerPC.
@@ -497,6 +496,7 @@ TEST_PROGRAMS_NEED_X += test-mergesort
 TEST_PROGRAMS_NEED_X += test-mktemp
 TEST_PROGRAMS_NEED_X += test-parse-options
 TEST_PROGRAMS_NEED_X += test-path-utils
+TEST_PROGRAMS_NEED_X += test-regex
 TEST_PROGRAMS_NEED_X += test-revision-walking
 TEST_PROGRAMS_NEED_X += test-run-command
 TEST_PROGRAMS_NEED_X += test-scrap-cache-tree
@@ -1015,6 +1015,7 @@ ifeq ($(uname_S),SunOS)
        NO_REGEX = YesPlease
        NO_FNMATCH_CASEFOLD = YesPlease
        NO_MSGFMT_EXTENDED_OPTIONS = YesPlease
+       HAVE_DEV_TTY = YesPlease
        ifeq ($(uname_R),5.6)
                SOCKLEN_T = int
                NO_HSTRERROR = YesPlease
@@ -2091,6 +2092,13 @@ $(SCRIPT_LIB) : % : %.sh GIT-SCRIPT-DEFINES
 ifndef NO_PERL
 $(patsubst %.perl,%,$(SCRIPT_PERL)): perl/perl.mak
 
+perl/perl.mak: perl/PM.stamp
+
+perl/PM.stamp: FORCE
+       $(QUIET_GEN)$(FIND) perl -type f -name '*.pm' | sort >$@+ && \
+       { cmp $@+ $@ >/dev/null 2>/dev/null || mv $@+ $@; } && \
+       $(RM) $@+
+
 perl/perl.mak: GIT-CFLAGS GIT-PREFIX perl/Makefile perl/Makefile.PL
        $(QUIET_SUBDIR0)perl $(QUIET_SUBDIR1) PERL_PATH='$(PERL_PATH_SQ)' prefix='$(prefix_SQ)' $(@F)
 
@@ -2159,8 +2167,14 @@ configure: configure.ac GIT-VERSION-FILE
        $(RM) $<+
 
 ifdef AUTOCONFIGURED
-config.status: configure
-       $(QUIET_GEN)if test -f config.status; then \
+# We avoid depending on 'configure' here, because it gets rebuilt
+# every time GIT-VERSION-FILE is modified, only to update the embedded
+# version number string, which config.status does not care about.  We
+# do want to recheck when the platform/environment detection logic
+# changes, hence this depends on configure.ac.
+config.status: configure.ac
+       $(QUIET_GEN)$(MAKE) configure && \
+       if test -f config.status; then \
          ./config.status --recheck; \
        else \
          ./configure; \
@@ -2275,7 +2289,7 @@ $(ASM_OBJ): %.o: %.S GIT-CFLAGS $(missing_dep_dirs)
 endif
 
 %.s: %.c GIT-CFLAGS FORCE
-       $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $<
+       $(QUIET_CC)$(CC) -o $@ -S $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $<
 
 ifdef USE_COMPUTED_HEADER_DEPENDENCIES
 # Take advantage of gcc's on-the-fly dependency generation
@@ -2388,7 +2402,8 @@ XGETTEXT_FLAGS = \
        --from-code=UTF-8
 XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \
        --keyword=_ --keyword=N_ --keyword="Q_:1,2"
-XGETTEXT_FLAGS_SH = $(XGETTEXT_FLAGS) --language=Shell
+XGETTEXT_FLAGS_SH = $(XGETTEXT_FLAGS) --language=Shell \
+       --keyword=gettextln --keyword=eval_gettextln
 XGETTEXT_FLAGS_PERL = $(XGETTEXT_FLAGS) --keyword=__ --language=Perl
 LOCALIZED_C := $(C_OBJ:o=c) $(LIB_H) $(GENERATED_H)
 LOCALIZED_SH := $(SCRIPT_SH)
@@ -2797,8 +2812,13 @@ endif
 
 ### Check documentation
 #
+ALL_COMMANDS = $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS)
+ALL_COMMANDS += git
+ALL_COMMANDS += gitk
+ALL_COMMANDS += gitweb
+ALL_COMMANDS += git-gui git-citool
 check-docs::
-       @(for v in $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git gitk; \
+       @(for v in $(ALL_COMMANDS); \
        do \
                case "$$v" in \
                git-merge-octopus | git-merge-ours | git-merge-recursive | \
@@ -2820,35 +2840,13 @@ check-docs::
                sed -e '/^#/d' \
                    -e 's/[     ].*//' \
                    -e 's/^/listed /' command-list.txt; \
-               ls -1 Documentation/git*txt | \
+               $(MAKE) -C Documentation print-man1 | \
+               grep '\.txt$$' | \
                sed -e 's|Documentation/|documented |' \
                    -e 's/\.txt//'; \
        ) | while read how cmd; \
        do \
-               case "$$how,$$cmd" in \
-               *,git-citool | \
-               *,git-gui | \
-               *,git-help | \
-               documented,gitattributes | \
-               documented,gitignore | \
-               documented,gitmodules | \
-               documented,gitcli | \
-               documented,git-tools | \
-               documented,gitcore-tutorial | \
-               documented,gitcvs-migration | \
-               documented,gitdiffcore | \
-               documented,gitglossary | \
-               documented,githooks | \
-               documented,gitrepository-layout | \
-               documented,gitrevisions | \
-               documented,gittutorial | \
-               documented,gittutorial-2 | \
-               documented,git-bisect-lk2009 | \
-               documented,git-remote-helpers | \
-               documented,gitworkflows | \
-               sentinel,not,matching,is,ok ) continue ;; \
-               esac; \
-               case " $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git gitk " in \
+               case " $(ALL_COMMANDS) " in \
                *" $$cmd "*)    ;; \
                *) echo "removed but $$how: $$cmd" ;; \
                esac; \