Allow to define if default compiler provided startup file is linked into binary.

The use of standard startup files is required for MSP430
target, because there it is useless and complicated
to provide BSP specific one.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

diff --git a/snippets/sysless.omk b/snippets/sysless.omk
index fdd4889aef4a8cec7ef11a716f73b51eb99ac3a0..e55a0ae2e8178911cc9756b726b9f5555a52844c 100644 (file)
--- a/snippets/sysless.omk
+++ b/snippets/sysless.omk
@@ -20,6 +20,8 @@
 #                     should be used for linking (e.g. ram flash). If this is not
 #                    specified, then the value of DEFAULT_LD_SCRIPT_VARIANT from config.target is used.
 # PREFIX_DIR       .. Prefix to  directories in _compiled and _build. Used in config.omk.
+# TARGET_STDSTARTFILES .. if left unset or set to `n', startup file provided
+#                     by compiler is supressed
 
 BUILD_DIR_NAME = _build$(addprefix /,$(PREFIX_DIR))
 COMPILED_DIR_NAME = _compiled$(addprefix /,$(PREFIX_DIR))
@@ -61,9 +63,18 @@ endif
 # Rules for compilation for target
 ifdef TARGET_RULE_TEMPLATES
 
+ifeq ($(TARGET_STDSTARTFILES),)
+TARGET_STDSTARTFILES=n
+endif
+
+ifneq ($(TARGET_STDSTARTFILES),y)
 LDFLAGS += -nostartfiles
+ifneq ($(TARGET_STDSTARTFILES),n)
+LDFLAGS += $(TARGET_STDSTARTFILES)
+endif
+endif
 
- # FIXME: These are not used. What they are good for?
+# FIXME: These are not used. What they are good for?
 LIB_CPPFLAGS += $(CPPFLAGS)
 LIB_CFLAGS   += $(CFLAGS)