[U-Boot] [PATCH 14/14] tools: Allow building with debug enabled

[Simon Glass]

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 at chromium.org>
---

 Kconfig  | 9 +++++++++
 Makefile | 3 ++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Kconfig b/Kconfig
index 3ceff25..c06be59 100644
--- a/Kconfig
+++ b/Kconfig
@@ -114,6 +114,15 @@ if EXPERT
 	  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
 
diff --git a/Makefile b/Makefile
index 0c47bb6..e8e2bb2 100644
--- a/Makefile
+++ b/Makefile
@@ -256,7 +256,8 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 
 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)
-- 
2.8.0.rc3.226.g39d4020