[PATCH 2/3] Makefile: stop hardcoding {command,config}-list.h

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Change various places that hardcode the names of these two files to
refer to either $(GENERATED_H), or to a new generated-hdrs
target. That target is consistent with the *-objs targets I recently
added in 029bac01a8 (Makefile: add {program,xdiff,test,git,fuzz}-objs
& objects targets, 2021-02-23).

I have not tested the Windows-specific change in config.mak.uname
being made here, but we use other variables from the Makefile in the
same block, and the GENERATED_H is fully defined before we include
config.mak.uname.

Hardcoding command-list.h there seems to have been a case of
copy/paste programming in dce7d29551 (msvc: support building Git using
MS Visual C++, 2019-06-25). The config-list.h was added later in
709df95b78 (help: move list_config_help to builtin/help, 2020-04-16).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 Makefile              | 6 ++++--
 compat/vcbuild/README | 2 +-
 config.mak.uname      | 6 +++---
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 7f984bce50..66f5ded3a4 100644
--- a/Makefile
+++ b/Makefile
@@ -817,6 +817,8 @@ XDIFF_LIB = xdiff/lib.a
 
 GENERATED_H += command-list.h
 GENERATED_H += config-list.h
+.PHONY: generated-hdrs
+generated-hdrs: $(GENERATED_H)
 
 LIB_H := $(sort $(patsubst ./%,%,$(shell git ls-files '*.h' ':!t/' ':!Documentation/' 2>/dev/null || \
 	$(FIND) . \
@@ -2888,7 +2890,7 @@ $(SP_OBJ): %.sp: %.c GIT-CFLAGS FORCE
 .PHONY: sparse $(SP_OBJ)
 sparse: $(SP_OBJ)
 
-EXCEPT_HDRS := command-list.h config-list.h unicode-width.h compat/% xdiff/%
+EXCEPT_HDRS := $(GENERATED_H) unicode-width.h compat/% xdiff/%
 ifndef GCRYPT_SHA256
 	EXCEPT_HDRS += sha256/gcrypt.h
 endif
@@ -2911,7 +2913,7 @@ style:
 	git clang-format --style file --diff --extensions c,h
 
 .PHONY: check
-check: config-list.h command-list.h
+check: $(GENERATED_H)
 	@if sparse; \
 	then \
 		echo >&2 "Use 'make sparse' instead"; \
diff --git a/compat/vcbuild/README b/compat/vcbuild/README
index 51fb083dbb..29ec1d0f10 100644
--- a/compat/vcbuild/README
+++ b/compat/vcbuild/README
@@ -92,7 +92,7 @@ The Steps of Build Git with VS2008
    the git operations.
 
 3. Inside Git's directory run the command:
-       make command-list.h config-list.h
+       make generated-hdrs
    to generate the header file needed to compile git.
 
 4. Then either build Git with the GNU Make Makefile in the Git projects
diff --git a/config.mak.uname b/config.mak.uname
index cb443b4e02..af4c5c540e 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -722,9 +722,9 @@ vcxproj:
 	 echo '</Project>') >git-remote-http/LinkOrCopyRemoteHttp.targets
 	git add -f git/LinkOrCopyBuiltins.targets git-remote-http/LinkOrCopyRemoteHttp.targets
 
-	# Add command-list.h and config-list.h
-	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 config-list.h command-list.h
-	git add -f config-list.h command-list.h
+	# Add generated headers
+	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 $(GENERATED_H)
+	git add -f $(GENERATED_H)
 
 	# Add scripts
 	rm -f perl/perl.mak
-- 
2.32.0.576.g59759b6ca7d




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