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-rw-r--r--Makefile.inc12
-rw-r--r--src/Kconfig10
2 files changed, 22 insertions, 0 deletions
diff --git a/Makefile.inc b/Makefile.inc
index fcd680df2b..90a50aa4aa 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -24,6 +24,18 @@ export KERNELVERSION := $(shell if [ -d "$(top)/.git" -a -f "`which git`" ]; \
else echo 4.0$(KERNELREVISION); fi)
#######################################################################
+# Test for coreboot toolchain (except when explicitely not requested)
+ifneq ($(NOCOMPILE),1)
+# only run if we're doing a build (not for tests, kconfig, ...)
+ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
+_toolchain=$(shell $(CC_i386) -v 2>&1 |grep -q "gcc version .*coreboot toolchain" && echo coreboot)
+ifneq ($(_toolchain),coreboot)
+$(error Please use the coreboot toolchain (or prove that your toolchain works))
+endif
+endif
+endif
+
+#######################################################################
# Basic component discovery
MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
export MAINBOARDDIR
diff --git a/src/Kconfig b/src/Kconfig
index 2f5270e918..27f532b44e 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -70,6 +70,16 @@ config COMPILER_LLVM_CLANG
endchoice
+config ANY_TOOLCHAIN
+ bool "Allow building with any toolchain"
+ default n
+ depends on COMPILER_GCC
+ help
+ Many toolchains break when building coreboot since it uses quite
+ unusual linker features. Unless developers explicitely request it,
+ we'll have to assume that they use their distro compiler by mistake.
+ Make sure that using patched compilers is a conscious decision.
+
config SCANBUILD_ENABLE
bool "Build with scan-build for static code analysis"
default n