summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorIan Rogers <irogers@google.com>2022-12-01 20:57:42 -0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-12-14 11:16:12 -0300
commit113bb3964297467baeb1fd2c4f86d0a4142e4259 (patch)
tree9e17503acb42b6cfb0a3597a077472446e902921 /tools
parent5d890591db6bed8ca69bd4bfe0cdaca372973033 (diff)
tools lib symbol: 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/20221202045743.2639466-5-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/lib/symbol/Makefile21
1 files changed, 14 insertions, 7 deletions
diff --git a/tools/lib/symbol/Makefile b/tools/lib/symbol/Makefile
index ea8707b3442a..13d43c6f92b4 100644
--- a/tools/lib/symbol/Makefile
+++ b/tools/lib/symbol/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'; \
- 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)
@@ -100,9 +100,16 @@ install_lib: $(LIBFILE)
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
-install_headers:
- $(call QUIET_INSTALL, libsymbol_headers) \
- $(call do_install,kallsyms.h,$(prefix)/include/symbol,644);
+HDRS := kallsyms.h
+INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/symbol
+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, libsymbol_headers)
install: install_lib install_headers