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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-11-23 11:15:18 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-11-23 11:15:18 +0100 |
| commit | 9d401b35f071a91e7281fcdd4a5ceba0dc125ba4 (patch) | |
| tree | f8f94a3e07c89102cef3c04857fefcdda74a611e /Config.mk | |
| parent | 1366ee55cc401bf8b1fbedf50451765cd577c1bf (diff) | |
| download | xen-9d401b35f071a91e7281fcdd4a5ceba0dc125ba4.tar.gz xen-9d401b35f071a91e7281fcdd4a5ceba0dc125ba4.tar.bz2 xen-9d401b35f071a91e7281fcdd4a5ceba0dc125ba4.zip | |
Add -Wdeclaration-after-statement to CFLAGS only if the
compiler supports it. Move test-gcc-flag function to
Config.mk where it can be used by any component of the
build.
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'Config.mk')
| -rw-r--r-- | Config.mk | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -8,7 +8,6 @@ XEN_TARGET_X86_PAE ?= n # Tools to run on system hosting the build HOSTCC = gcc HOSTCFLAGS = -Wall -Werror -Wstrict-prototypes -O2 -fomit-frame-pointer -HOSTCFLAGS += -Wdeclaration-after-statement AS = $(CROSS_COMPILE)as LD = $(CROSS_COMPILE)ld @@ -39,7 +38,10 @@ EXTRA_INCLUDES += $(EXTRA_PREFIX)/include EXTRA_LIB += $(EXTRA_PREFIX)/$(LIBDIR) endif -CFLAGS += -Wdeclaration-after-statement +test-gcc-flag = $(shell $(CC) -v --help 2>&1 | grep -q " $(1) " && echo $(1)) + +HOSTCFLAGS += $(call test-gcc-flag,-Wdeclaration-after-statement) +CFLAGS += $(call test-gcc-flag,-Wdeclaration-after-statement) LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i)) CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i)) |