test: run longjmp() test only on supported architectures

We have only implemented longjmp() on the EFI architectures.

Define a symbol CONFIG_HAVE_SETJMP and have it selected by the relevant
architectures.

Use CONFIG_HAVE_SETJMP to decide if the longjmp test shall be built.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/Kconfig

@@ -8,6 +8,11 @@ config CREATE_ARCH_SYMLINK
 config HAVE_ARCH_IOREMAP
 	bool
 
+config HAVE_SETJMP
+	bool
+	help
+	 The architecture supports setjmp() and longjmp().
+
 config SUPPORT_BIG_ENDIAN
 	bool
 
@@ -73,6 +78,7 @@ config ARC
 
 config ARM
 	bool "ARM architecture"
+	select HAVE_SETJMP
 	select ARCH_SUPPORTS_LTO
 	select CREATE_ARCH_SYMLINK
 	select HAVE_PRIVATE_LIBGCC if !ARM64
@@ -129,6 +135,7 @@ config PPC
 config RISCV
 	bool "RISC-V architecture"
 	select CREATE_ARCH_SYMLINK
+	select HAVE_SETJMP
 	select SUPPORT_ACPI
 	select SUPPORT_LITTLE_ENDIAN
 	select SUPPORT_OF_CONTROL
@@ -154,6 +161,7 @@ config RISCV
 
 config SANDBOX
 	bool "Sandbox"
+	select HAVE_SETJMP
 	select ARCH_SUPPORTS_LTO
 	select BOARD_LATE_INIT
 	select BZIP2
@@ -249,6 +257,7 @@ config SH
 
 config X86
 	bool "x86 architecture"
+	select HAVE_SETJMP
 	select SUPPORT_SPL
 	select SUPPORT_TPL
 	select SUPPORT_LITTLE_ENDIAN

test/lib/Makefile

@@ -11,7 +11,7 @@ obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o
 obj-y += hexdump.o
 obj-$(CONFIG_SANDBOX) += kconfig.o
 obj-y += lmb.o
-obj-y += longjmp.o
+obj-$(CONFIG_HAVE_SETJMP) += longjmp.o
 obj-$(CONFIG_CONSOLE_RECORD) += test_print.o
 obj-$(CONFIG_SSCANF) += sscanf.o
 obj-y += string.o