turn on UCLIBC_HAS_PROGRAM_INVOCATION_NAME (see #2941)

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 5c66dfd..da16ed4 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -30,7 +30,7 @@ BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 
-OPTIMIZE_FOR_CPU:=$(ARCH)
+OPTIMIZE_FOR_CPU=$(ARCH)
 
 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 BIN_DIR:=$(TOPDIR)/bin
@@ -53,13 +53,20 @@ ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
   -include $(TOOLCHAIN_DIR)/info.mk
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-  TARGET_CROSS?=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
+  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc-)
 endif
 
-TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
+TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
-TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+
+ifeq ($(CONFIG_SOFT_FLOAT),y)
+SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
+TARGET_CFLAGS+=-msoft-float
+else
+SOFT_FLOAT_CONFIG_OPTION:=
+endif
 
 export PATH:=$(TARGET_PATH)
 export STAGING_DIR
@@ -138,6 +145,11 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+empty:=
+space:= $(empty) $(empty)
+merge=$(subst $(space),,$(1))
+confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))