Merge branch 'bb/make-developer-pedantic'

"make DEVELOPER=1 DEVOPTS=pedantic" allows developers to compile
with -pedantic option, which may catch more problematic program
constructs and potential bugs.

* bb/make-developer-pedantic:
Makefile: add a DEVOPTS flag to get pedantic compilation

diff --combined Makefile
index bc4fc8eeab21862887c0b19560b07646e0c4848f,64aacb360daf68f5b4a41fa756042d3b9728f722..5f569c98863f25cf1fadf34add3f2b030bebbf08
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -484,6 -484,11 +484,11 @@@ all:
  #        The DEVELOPER mode enables -Wextra with a few exceptions. By
  #        setting this flag the exceptions are removed, and all of
  #        -Wextra is used.
+ #
+ #    pedantic:
+ #
+ #        Enable -pedantic compilation. This also disables
+ #        USE_PARENS_AROUND_GETTEXT_N to produce only relevant warnings.
  
  GIT-VERSION-FILE: FORCE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@@ -620,7 -625,6 +625,7 @@@ SCRIPT_LIB += git-mergetool--li
  SCRIPT_LIB += git-parse-remote
  SCRIPT_LIB += git-rebase--am
  SCRIPT_LIB += git-rebase--interactive
 +SCRIPT_LIB += git-rebase--preserve-merges
  SCRIPT_LIB += git-rebase--merge
  SCRIPT_LIB += git-sh-setup
  SCRIPT_LIB += git-sh-i18n
@@@ -690,6 -694,7 +695,6 @@@ PROGRAM_OBJS += http-backend.
  PROGRAM_OBJS += imap-send.o
  PROGRAM_OBJS += sh-i18n--envsubst.o
  PROGRAM_OBJS += shell.o
 -PROGRAM_OBJS += show-index.o
  PROGRAM_OBJS += remote-testsvn.o
  
  # Binary suffix, set to .exe for Windows builds
@@@ -719,7 -724,6 +724,7 @@@ TEST_BUILTINS_OBJS += test-prio-queue.
  TEST_BUILTINS_OBJS += test-read-cache.o
  TEST_BUILTINS_OBJS += test-ref-store.o
  TEST_BUILTINS_OBJS += test-regex.o
 +TEST_BUILTINS_OBJS += test-repository.o
  TEST_BUILTINS_OBJS += test-revision-walking.o
  TEST_BUILTINS_OBJS += test-run-command.o
  TEST_BUILTINS_OBJS += test-scrap-cache-tree.o
@@@ -860,7 -864,6 +865,7 @@@ LIB_OBJS += ewah/ewah_bitmap.
  LIB_OBJS += ewah/ewah_io.o
  LIB_OBJS += ewah/ewah_rlw.o
  LIB_OBJS += exec-cmd.o
 +LIB_OBJS += fetch-negotiator.o
  LIB_OBJS += fetch-object.o
  LIB_OBJS += fetch-pack.o
  LIB_OBJS += fsck.o
@@@ -893,8 -896,6 +898,8 @@@ LIB_OBJS += merge-blobs.
  LIB_OBJS += merge-recursive.o
  LIB_OBJS += mergesort.o
  LIB_OBJS += name-hash.o
 +LIB_OBJS += negotiator/default.o
 +LIB_OBJS += negotiator/skipping.o
  LIB_OBJS += notes.o
  LIB_OBJS += notes-cache.o
  LIB_OBJS += notes-merge.o
@@@ -1081,7 -1082,6 +1086,7 @@@ BUILTIN_OBJS += builtin/send-pack.
  BUILTIN_OBJS += builtin/serve.o
  BUILTIN_OBJS += builtin/shortlog.o
  BUILTIN_OBJS += builtin/show-branch.o
 +BUILTIN_OBJS += builtin/show-index.o
  BUILTIN_OBJS += builtin/show-ref.o
  BUILTIN_OBJS += builtin/stripspace.o
  BUILTIN_OBJS += builtin/submodule--helper.o
@@@ -2025,9 -2025,8 +2030,9 @@@ version.sp version.s version.o: GIT-VER
  version.sp version.s version.o: EXTRA_CPPFLAGS = \
        '-DGIT_VERSION="$(GIT_VERSION)"' \
        '-DGIT_USER_AGENT=$(GIT_USER_AGENT_CQ_SQ)' \
 -      '-DGIT_BUILT_FROM_COMMIT="$(shell GIT_CEILING_DIRECTORIES=\"$(CURDIR)/..\" \
 -              git rev-parse -q --verify HEAD || :)"'
 +      '-DGIT_BUILT_FROM_COMMIT="$(shell \
 +              GIT_CEILING_DIRECTORIES="$(CURDIR)/.." \
 +              git rev-parse -q --verify HEAD 2>/dev/null)"'
  
  $(BUILT_INS): git$X
        $(QUIET_BUILT_IN)$(RM) $@ && \
@@@ -2115,7 -2114,7 +2120,7 @@@ $(SCRIPT_PERL_GEN): % : %.perl GIT-PERL
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1{' \
            -e '        s|#!.*perl|#!$(PERL_PATH_SQ)|' \
 -          -e '        rGIT-PERL-HEADER' \
 +          -e '        r GIT-PERL-HEADER' \
            -e '        G' \
            -e '}' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
@@@ -2403,7 -2402,6 +2408,7 @@@ LOCALIZED_C = $(C_OBJ:o=c) $(LIB_H) $(G
  LOCALIZED_SH = $(SCRIPT_SH)
  LOCALIZED_SH += git-parse-remote.sh
  LOCALIZED_SH += git-rebase--interactive.sh
 +LOCALIZED_SH += git-rebase--preserve-merges.sh
  LOCALIZED_SH += git-sh-setup.sh
  LOCALIZED_PERL = $(SCRIPT_PERL)