buildsystem: check for coreboot toolchain by default
Other toolchains just don't cut it.
Change-Id: I7a0bdf60d89b5166c9a22c9e9f3f326b28f777b8
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4584
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/Makefile.inc b/Makefile.inc
index fcd680d..90a50aa 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -24,6 +24,18 @@
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 2f5270e..27f532b 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -70,6 +70,16 @@
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