aboutsummaryrefslogtreecommitdiffstats
path: root/include/host.mk
diff options
context:
space:
mode:
Diffstat (limited to 'include/host.mk')
-rw-r--r--include/host.mk51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/host.mk b/include/host.mk
new file mode 100644
index 0000000..ec3ae27
--- /dev/null
+++ b/include/host.mk
@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2007-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+TMP_DIR ?= $(TOPDIR)/tmp
+ifeq ($(if $(TARGET_BUILD),,$(DUMP)),)
+ -include $(TMP_DIR)/.host.mk
+endif
+
+ifneq ($(__host_inc),1)
+__host_inc:=1
+
+export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
+
+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 "$$TMP_F",$(1),$(2) \
+)
+
+.PRECIOUS: $(TMP_DIR)/.host.mk
+$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
+ @mkdir -p $(TMP_DIR)
+ @( \
+ HOST_OS=`uname`; \
+ case "$$HOST_OS" in \
+ Linux) HOST_ARCH=`uname -m`;; \
+ Darwin) HOST_ARCH=`uname -m`;; \
+ *) HOST_ARCH=`uname -p`;; \
+ esac; \
+ GNU_HOST_NAME=`gcc -dumpmachine`; \
+ [ -z "$$GNU_HOST_NAME" -o "$$HOST_OS" = "Darwin" ] && \
+ GNU_HOST_NAME=`$(TOPDIR)/scripts/config.guess`; \
+ echo "HOST_OS:=$$HOST_OS" > $@; \
+ echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
+ echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
+ if gfind -L /dev/null || find -L /dev/null; then \
+ echo "FIND_L=find -L \$$(1)" >> $@; \
+ else \
+ echo "FIND_L=find \$$(1) -follow" >> $@; \
+ fi \
+ ) >/dev/null 2>/dev/null
+
+endif