From 7fbd065f5a2b299172502f09fc3fbde02b48f591 Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Tue, 12 Apr 2011 20:27:59 +0000 Subject: perf tools: Move `try-cc' The `try-cc' user-defined function was in tools/perf/feature-tests.mak; this commit moves it to tools/perf/config/utilities.mak. Signed-off-by: Michael Witten Link: http://lkml.kernel.org/n/tip-bqhwcuxsrve0iodn6q4ejaoi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/config/utilities.mak | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'tools/perf/config') diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak index 6d8ff8878405..8046182a19eb 100644 --- a/tools/perf/config/utilities.mak +++ b/tools/perf/config/utilities.mak @@ -178,3 +178,11 @@ endef _ge_attempt = $(or $(get-executable),$(_gea_warn),$(call _gea_err,$(2))) _gea_warn = $(warning The path '$(1)' is not executable.) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) + +# try-cc +# Usage: option = $(call try-cc, source-to-build, cc-options) +try-cc = $(shell sh -c \ + 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ + echo "$(1)" | \ + $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ + rm -f "$$TMP"') -- cgit v1.2.1