tools: Allow building with debug enabled

Sometimes it is useful to build tools with debugging information included so that line-number information is available when run under gdb. Add a Kconfig option to support this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>

tools: Allow building with debug enabled
Sometimes it is useful to build tools with debugging information included so that line-number information is available when run under gdb. Add a Kconfig option to support this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
Simon Glass · Tom Rini
1 parent 51f03e6a75
Showing 2 changed files with 11 additions and 1 deletions Side-by-side Diff
Kconfig
Makefile
@@ -114,6 +114,15 @@
 	  Warning:
 	  When disabling this, please check if malloc calls, maybe
 	  should be replaced by calloc - if one expects zeroed memory.
+
+config TOOLS_DEBUG
+	bool "Enable debug information for tools"
+	help
+	  Enable generation of debug information for tools such as mkimage.
+	  This can be used for debugging purposes. With debug information
+	  it is possible to set breakpoints on particular lines, single-step
+	  debug through the source code, etc.
+
 endif
 endmenu		# General setup
  
@@ -256,7 +256,8 @@
  
 HOSTCC       = cc
 HOSTCXX      = c++
-HOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
+		$(if $(CONFIG_TOOLS_DEBUG),-g)
 HOSTCXXFLAGS = -O2
  
 ifeq ($(HOSTOS),cygwin)
...	...	@@ -114,6 +114,15 @@
114	114	Warning:
115	115	When disabling this, please check if malloc calls, maybe
116	116	should be replaced by calloc - if one expects zeroed memory.
	117	+
	118	+config TOOLS_DEBUG
	119	+ bool "Enable debug information for tools"
	120	+ help
	121	+ Enable generation of debug information for tools such as mkimage.
	122	+ This can be used for debugging purposes. With debug information
	123	+ it is possible to set breakpoints on particular lines, single-step
	124	+ debug through the source code, etc.
	125	+
117	126	endif
118	127	endmenu # General setup
119	128
...	...	@@ -256,7 +256,8 @@
256	256
257	257	HOSTCC = cc
258	258	HOSTCXX = c++
259		-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
	259	+HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
	260	+ $(if $(CONFIG_TOOLS_DEBUG),-g)
260	261	HOSTCXXFLAGS = -O2
261	262
262	263	ifeq ($(HOSTOS),cygwin)