X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=rules.mk;h=d3521649a52da662301b3f29eafc6486fe60e3b5;hb=27a7d97c151caabf83780fdab06342d07ec6558f;hp=7d3516bc4272e1186dde2ceb89145cde7c5ad19d;hpb=36d3a76afb32eda306753361abf13c3d4c41e555;p=openwrt.git

diff --git a/rules.mk b/rules.mk
index 7d3516bc42..d3521649a5 100644
--- a/rules.mk
+++ b/rules.mk
@@ -47,6 +47,8 @@ else
   FPIC:=-fpic
 endif
 
+HOST_FPIC:=-fPIC
+
 ARCH_SUFFIX:=
 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
   ARCH_SUFFIX:=_r2
@@ -247,6 +249,16 @@ define include_mk
 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 endef
 
+# Execute commands under flock
+# $(1) => The shell expression.
+# $(2) => The lock name. If not given, the global lock will be used.
+define locked
+	SHELL= \
+	$(STAGING_DIR_HOST)/bin/flock \
+		$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
+		-c '$(subst ','\'',$(1))'
+endef
+
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))