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tools lib api: Add dependency test to install_headers

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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/20221202045743.2639466-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2022-12-01 20:57:39 -08:00 committed by Arnaldo Carvalho de Melo
parent 8f4b1e3ceb
commit 1849f9f009
1 changed files with 26 additions and 12 deletions
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38
tools/lib/api/Makefile
View file

@ -88,10 +88,10 @@ define do_install_mkdir
endef
define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
if [ ! -d '$2' ]; then \
$(INSTALL) -d -m 755 '$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$2'
endef
install_lib: $(LIBFILE)
@ -99,14 +99,28 @@ install_lib: $(LIBFILE)
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
install_headers:
$(call QUIET_INSTALL, libapi_headers) \
$(call do_install,cpu.h,$(prefix)/include/api,644); \
$(call do_install,debug.h,$(prefix)/include/api,644); \
$(call do_install,io.h,$(prefix)/include/api,644); \
$(call do_install,fd/array.h,$(prefix)/include/api/fd,644); \
$(call do_install,fs/fs.h,$(prefix)/include/api/fs,644); \
$(call do_install,fs/tracing_path.h,$(prefix)/include/api/fs,644);
HDRS := cpu.h debug.h io.h
FD_HDRS := fd/array.h
FS_HDRS := fs/fs.h fs/tracing_path.h
INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/api
INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
INSTALL_FD_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FD_HDRS))
INSTALL_FS_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FS_HDRS))
$(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
$(call QUIET_INSTALL, $@) \
$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
$(INSTALL_FD_HDRS): $(INSTALL_HDRS_PFX)/fd/%.h: fd/%.h
$(call QUIET_INSTALL, $@) \
$(call do_install,$<,$(INSTALL_HDRS_PFX)/fd/,644)
$(INSTALL_FS_HDRS): $(INSTALL_HDRS_PFX)/fs/%.h: fs/%.h
$(call QUIET_INSTALL, $@) \
$(call do_install,$<,$(INSTALL_HDRS_PFX)/fs/,644)
install_headers: $(INSTALL_HDRS) $(INSTALL_FD_HDRS) $(INSTALL_FS_HDRS)
$(call QUIET_INSTALL, libapi_headers)
install: install_lib install_headers