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authorIan Rogers <irogers@google.com>2022-12-02 05:57:41 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-12-14 15:16:12 +0100
commit5d890591db6bed8ca69bd4bfe0cdaca372973033 (patch)
tree0716f04ef5ed8aecd16b92381074279eda2f8c8e /tools/lib
parenttools lib perf: Add dependency test to install_headers (diff)
downloadlinux-5d890591db6bed8ca69bd4bfe0cdaca372973033.tar.xz
linux-5d890591db6bed8ca69bd4bfe0cdaca372973033.zip
tools lib subcmd: Add dependency test to install_headers
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>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/subcmd/Makefile23
1 files changed, 13 insertions, 10 deletions
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 9a316d8b89df..b87213263a5e 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -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