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tools lib subcmd: Add dependency test to install_headers

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commit 5d890591db6bed8ca69bd4bfe0cdaca372973033 upstream.

Compute the headers to be installed from their source headers and make
each have its own build target to install it. Using dependencies
avoids headers being reinstalled and getting a new timestamp which
then causes files that depend on the header to be rebuilt.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Rix <trix@redhat.com>
Cc: bpf@vger.kernel.org
Cc: llvm@lists.linux.dev
Link: https://lore.kernel.org/r/20221202045743.2639466-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Rogers 2022-12-01 20:57:41 -08:00 committed by Greg Kroah-Hartman
parent 424fd56932
commit 05026e944b
1 changed files with 13 additions and 10 deletions
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23
tools/lib/subcmd/Makefile
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@ -89,10 +89,10 @@ define do_install_mkdir
endef
define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
if [ ! -d '$2' ]; then \
$(INSTALL) -d -m 755 '$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
$(INSTALL) $1 $(if $3,-m $3,) '$2'
endef
install_lib: $(LIBFILE)
@ -100,13 +100,16 @@ install_lib: $(LIBFILE)
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
install_headers:
$(call QUIET_INSTALL, libsubcmd_headers) \
$(call do_install,exec-cmd.h,$(prefix)/include/subcmd,644); \
$(call do_install,help.h,$(prefix)/include/subcmd,644); \
$(call do_install,pager.h,$(prefix)/include/subcmd,644); \
$(call do_install,parse-options.h,$(prefix)/include/subcmd,644); \
$(call do_install,run-command.h,$(prefix)/include/subcmd,644);
HDRS := exec-cmd.h help.h pager.h parse-options.h run-command.h
INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/subcmd
INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
$(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
$(call QUIET_INSTALL, $@) \
$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
install_headers: $(INSTALL_HDRS)
$(call QUIET_INSTALL, libsubcmd_headers)
install: install_lib install_headers