add kernel_headers dependency on target/linux/generic-2.*

[openwrt.git] / include / prereq.mk

diff --git a/include/prereq.mk b/include/prereq.mk
index eda7ca3..8a08be8 100644 (file)
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -5,34 +5,29 @@
 # See /LICENSE for more information.
 #
 
-$(TMP_DIR):
-       mkdir -p $@
-
 prereq:
        if [ -f $(TMP_DIR)/.prereq-error ]; then \
                echo; \
                cat $(TMP_DIR)/.prereq-error; \
+               rm -f $(TMP_DIR)/.prereq-error; \
                echo; \
-               rm -rf $(TMP_DIR); \
                false; \
        fi
-       rm -rf $(TMP_DIR)
-       mkdir -p $(TMP_DIR)
 
-.SILENT: $(TMP_DIR) prereq
+.SILENT: prereq
 
 define Require
   export PREREQ_CHECK=1
   ifeq ($$(CHECK_$(1)),)
     prereq: prereq-$(1)
 
-    prereq-$(1): $(TMP_DIR) FORCE
+    prereq-$(1): FORCE
                echo -n "Checking '$(1)'... "
                if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
                        echo 'ok.'; \
                else \
                        echo 'failed.'; \
-                       echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
+                       echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
                fi
 
     check-$(1): FORCE