reduce the possibility of race conditions when using the lock utility

[openwrt.git] / toolchain / Makefile

diff --git a/toolchain/Makefile b/toolchain/Makefile
index d324325..2d8d882 100644 (file)
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -22,6 +22,7 @@ all: install
 download: $(TARGETS_DOWNLOAD)
 install: $(TARGETS_INSTALL)
 clean: $(TARGETS_CLEAN)
+$(TARGETS_INSTALL): $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
 
 uClibc-prepare: kernel-headers-prepare
 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
@@ -34,22 +35,20 @@ gcc-install: uClibc-install
 
 TOOLCHAIN_STAMP_DIR:=$(STAGING_DIR)/stampfiles
 
+$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME):
+       @mkdir -p $@
+       @ln -sf ../lib $@/lib
+
 $(TOOLCHAIN_STAMP_DIR):
        mkdir -p $@
 
-$(STAGING_DIR):
-       @mkdir -p $@/lib
-       @mkdir -p $@/include
-       @mkdir -p $@/$(REAL_GNU_TARGET_NAME)
-       @ln -sf ../lib $@/$(REAL_GNU_TARGET_NAME)/lib
-
 $(TOOLCHAIN_BUILD_DIR):
        @mkdir -p $@
 
 %-download: FORCE
        $(MAKE) -C $(patsubst %-download,%,$@) download
 
-%-prepare: $(TOOLCHAIN_STAMP_DIR) $(STAGING_DIR) $(TOOLCHAIN_BUILD_DIR) FORCE
+%-prepare: $(TOOLCHAIN_STAMP_DIR) $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME) $(TOOLCHAIN_BUILD_DIR) FORCE
        @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \
                $(MAKE) -C $(patsubst %-prepare,%,$@) prepare; \
        }