Improvements to make support, added debug target.

cmake/common/px4_base.cmake

@@ -551,6 +551,7 @@ function(px4_add_common_flags)
 	endif()
 
 	set(c_compile_flags
+		-g3
 		-std=gnu99
 		-fno-common
 		)
@@ -559,6 +560,7 @@ function(px4_add_common_flags)
 		-Wno-missing-field-initializers
 		)
 	set(cxx_compile_flags
+		-g3
 		-fno-exceptions
 		-fno-rtti
 		-std=gnu++0x

cmake/nuttx/bin_to_obj.py

@@ -55,10 +55,19 @@ run_cmd("{ld:s} -r -o {obj:s}.bin.o {obj:s}.c.o -b binary {in_bin:s}",
 
 # get size of image
 stdout = run_cmd("{nm:s} -p --radix=x {obj:s}.bin.o", locals())
-re_size = re.compile("(^[0-9A-Fa-f]*) .*{sym:s}_size".format(
-    **locals()))
-size_match = re.match(re_size, stdout)
-size = size_match.group(1)
+re_string = r"^([0-9A-F-a-f]+) .*{sym:s}_size\n".format(**locals())
+re_size = re.compile(re_string, re.MULTILINE)
+size_match = re.search(re_size, stdout)
+try:
+    size = size_match.group(1)
+except AttributeError as e:
+    raise RuntimeError("{:s}\nre:{:s}\n{:s}".format(
+        e, re_string, stdout))
+except IndexError as e:
+    group0 = size_match.group(0)
+    raise RuntimeError("{:s}\ngroup 0:{:s}\n{:s}".format(
+        e, group0, stdout))
+
 #print("romfs size: ", size)
 
 # write size to file

cmake/toolchains/Toolchain-arm-none-eabi.cmake

@@ -37,7 +37,7 @@ endif()
 cmake_force_cxx_compiler(${CXX_COMPILER} GNU)
 
 # compiler tools
-foreach(tool objcopy nm ld)
+foreach(tool objcopy nm ld gdb)
 	string(TOUPPER ${tool} TOOL)
 	find_program(${TOOL} arm-none-eabi-${tool})
 	if(NOT ${TOOL})