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[backfire] merge r21304

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@21355 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico 2010-05-04 17:36:18 +00:00
parent 5eaa0e5385
commit 1795cc4f0f
1 changed files with 12 additions and 1 deletions
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13
include/host.mk
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@ -1,5 +1,5 @@
# #
# Copyright (C) 2007 OpenWrt.org # Copyright (C) 2007-2010 OpenWrt.org
# #
# This is free software, licensed under the GNU General Public License v2. # This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information. # See /LICENSE for more information.
@ -14,6 +14,17 @@ export TAR FIND
ifneq ($(__host_inc),1) ifneq ($(__host_inc),1)
__host_inc:=1 __host_inc:=1
try-run = $(shell set -e; \
TMP_F="$(TMP_DIR)/try-run.$$$$.tmp"; \
if ($(1)) >/dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi; \
rm -f "$$TMP_F"; \
)
host-cc-option = $(call try-run, \
$(HOSTCC) $(HOST_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP_F",$(1),$(2) \
)
.PRECIOUS: $(TMP_DIR)/.host.mk .PRECIOUS: $(TMP_DIR)/.host.mk
$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk $(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
@mkdir -p $(TMP_DIR) @mkdir -p $(TMP_DIR)