examples: make examples/ optional

Most users don't need the standalone API examples. Distributions like SUSE do not supply libgcc for cross-compiling and we cannot do without on ARMv8 for building examples/. Make examples selectable via symbol CONFIG_EXAMPLES. It defaults to yes on ARCH_QEMU to ensure that we compile the API as part of our continuous integration. Cc: Matthias Brugger <[email protected]> Signed-off-by: Heinrich Schuchardt <[email protected]> Reviewed-by: Tom Rini <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Matthias Brugger <[email protected]>
kettenis · Oct 8, 2020 · fc6ef71 · fc6ef71
1 parent d9b9c91
commit fc6ef71
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diff --git a/Kconfig b/Kconfig
@@ -422,6 +422,14 @@ config SYS_SRAM_SIZE
 	default 0x10000 if TARGET_TRICORDER
 	default 0x0
 
+config EXAMPLES
+	bool "Compile API examples"
+	depends on !SANDBOX
+	default y if ARCH_QEMU
+	help
+	  U-Boot provides an API for standalone applications. Examples are
+	  provided in directory examples/.
+
 endmenu		# General setup
 
 menu "Boot images"

diff --git a/examples/Makefile b/examples/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0+
 
-ifndef CONFIG_SANDBOX
+ifdef CONFIG_EXAMPLES
 
 ifdef FTRACE
 subdir-ccflags-y += -finstrument-functions -DFTRACE