From: Jan Beulich Date: Tue, 4 Mar 2014 10:01:57 +0000 (+0100) Subject: correctly use gcc's -x option X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~5525 X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=3cdb47bcf2d33b5c6b49b25c4cb7b85de89e5cc4;p=xen.git correctly use gcc's -x option In Linux the improper use was found to cause problems with certain distributed build environments. Even if not directly affecting us, be on the safe side. Signed-off-by: Jan Beulich Acked-by: Keir Fraser --- diff --git a/Config.mk b/Config.mk index 84c558b68c..6a935332ff 100644 --- a/Config.mk +++ b/Config.mk @@ -101,7 +101,7 @@ PYTHON_PREFIX_ARG ?= --prefix="$(PREFIX)" # # Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586) cc-option = $(shell if test -z "`echo 'void*p=1;' | \ - $(1) $(2) -S -o /dev/null -xc - 2>&1 | grep -- $(2) -`"; \ + $(1) $(2) -S -o /dev/null -x c - 2>&1 | grep -- $(2) -`"; \ then echo "$(2)"; else echo "$(3)"; fi ;) # cc-option-add: Add an option to compilation flags, but only if supported. diff --git a/xen/include/Makefile b/xen/include/Makefile index 9bf90c02c1..5f2bcf747e 100644 --- a/xen/include/Makefile +++ b/xen/include/Makefile @@ -81,7 +81,7 @@ ifeq ($(XEN_TARGET_ARCH),$(XEN_COMPILE_ARCH)) all: headers.chk headers.chk: $(filter-out public/arch-% public/%ctl.h public/xsm/% public/%hvm/save.h, $(wildcard public/*.h public/*/*.h) $(public-y)) Makefile - for i in $(filter %.h,$^); do $(CC) -ansi -include stdint.h -Wall -W -Werror -S -o /dev/null -xc $$i || exit 1; echo $$i; done >$@.new + for i in $(filter %.h,$^); do $(CC) -ansi -include stdint.h -Wall -W -Werror -S -o /dev/null -x c $$i || exit 1; echo $$i; done >$@.new mv $@.new $@ endif