[Buildroot] [PATCH 1/1] package/uclibc: add backtrace support option

[Andrea Ricchi]

Add toolchain configuration to support execinfo.h and backtrace
features.

Signed-off-by: Andrea Ricchi <andrea.ricchi at amarulasolutions.com>
---
 package/uclibc/Config.in |  7 +++++++
 package/uclibc/uclibc.mk | 11 +++++++++++
 2 files changed, 18 insertions(+)

diff --git a/package/uclibc/Config.in b/package/uclibc/Config.in
index e59fef3c69..fa3abc2f50 100644
--- a/package/uclibc/Config.in
+++ b/package/uclibc/Config.in
@@ -39,6 +39,13 @@ config BR2_TOOLCHAIN_BUILDROOT_LOCALE
 	  Enable this option if you want your toolchain to support
 	  localization and internationalization.
 
+config BR2_TOOLCHAIN_BUILDROOT_BACKTRACE
+	bool "Enable backtrace support"
+	select BR2_USE_BACKTRACE
+	help
+	  Enable this option if you want your toolchain to support
+	  execinfo.h and backtrace features.
+
 choice
 	prompt "Thread library implementation"
 	help
diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk
index 53983e852d..b6f6c0f824 100644
--- a/package/uclibc/uclibc.mk
+++ b/package/uclibc/uclibc.mk
@@ -359,6 +359,16 @@ else
 UCLIBC_SHARED_LIBS_CONFIG = $(call KCONFIG_ENABLE_OPT,HAVE_SHARED)
 endif
 
+#
+# backtrace support
+#
+
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT_BACKTRACE),y)
+UCLIBC_BACKTRACE_CONFIG = $(call KCONFIG_ENABLE_OPT,UCLIBC_HAS_BACKTRACE)
+else
+UCLIBC_BACKTRACE_CONFIG = $(call KCONFIG_DISABLE_OPT,UCLIBC_HAS_BACKTRACE)
+endif
+
 #
 # Commands
 #
@@ -401,6 +411,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS
 	$(UCLIBC_LOCALE_CONFIG)
 	$(UCLIBC_WCHAR_CONFIG)
 	$(UCLIBC_SHARED_LIBS_CONFIG)
+	$(UCLIBC_BACKTRACE_CONFIG)
 endef
 
 define UCLIBC_BUILD_CMDS
-- 
2.25.1