[Buildroot] [PATCH v2 1/4] package/binutils-bare-metal: add multiple tuple support

[Neal Frager]

Add support to binutils-bare-metal to support multiple architecture tuples
with the BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH string.

Signed-off-by: Neal Frager <neal.frager at amd.com>
---
V1->V2:
- no changes
---
 .../binutils-bare-metal.mk                    | 61 ++++++++++++++++---
 1 file changed, 52 insertions(+), 9 deletions(-)

diff --git a/package/binutils-bare-metal/binutils-bare-metal.mk b/package/binutils-bare-metal/binutils-bare-metal.mk
index 3525e9fdf2..0a90560471 100644
--- a/package/binutils-bare-metal/binutils-bare-metal.mk
+++ b/package/binutils-bare-metal/binutils-bare-metal.mk
@@ -21,14 +21,57 @@ HOST_BINUTILS_BARE_METAL_CONF_ENV += MAKEINFO=true
 HOST_BINUTILS_BARE_METAL_MAKE_OPTS += MAKEINFO=true
 HOST_BINUTILS_BARE_METAL_INSTALL_OPTS += MAKEINFO=true install
 
-HOST_BINUTILS_BARE_METAL_CONF_OPTS = \
-	--target=$(TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH_TUPLE) \
-	--disable-gprof \
-	--disable-shared \
-	--enable-lto \
-	--enable-static \
-	--disable-initfini-array \
-	--disable-multilib \
-	--disable-werror
+# to build for multiple arch tuples, it is necesssary to build out of the
+# source tree, so that each arch tuple can have its own build location
+define HOST_BINUTILS_BARE_METAL_CONFIGURE_SYMLINKS
+	$(foreach arch_tuple, $(TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH_TUPLE), \
+		mkdir -p $(@D)/build-$(arch_tuple) && \
+		ln -sf ../configure $(@D)/build-$(arch_tuple)/configure;)
+endef
+
+HOST_BINUTILS_BARE_METAL_PRE_CONFIGURE_HOOKS += HOST_BINUTILS_BARE_METAL_CONFIGURE_SYMLINKS
+
+define HOST_BINUTILS_BARE_METAL_CONFIGURE_CMDS
+	$(foreach arch_tuple, $(TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH_TUPLE), \
+		cd $(@D)/build-$(arch_tuple) && \
+		$(HOST_CONFIGURE_OPTS) \
+		$(HOST_BINUTILS_BARE_METAL_CONF_ENV) \
+		./configure \
+			--prefix=$(HOST_DIR) \
+			--sysconfdir=$(HOST_DIR)/etc \
+			--localstatedir=$(HOST_DIR)/var \
+			--enable-shared --disable-static \
+			--disable-gtk-doc \
+			--disable-gtk-doc-html \
+			--disable-doc \
+			--disable-docs \
+			--disable-documentation \
+			--disable-debug \
+			--with-xmlto=no \
+			--with-fop=no \
+			--disable-nls \
+			--disable-dependency-tracking \
+			--target=$(arch_tuple) \
+			--disable-gprof \
+			--enable-lto \
+			--disable-initfini-array \
+			--disable-multilib \
+			--disable-werror; \
+	)
+endef
+
+define HOST_BINUTILS_BARE_METAL_BUILD_CMDS
+	$(foreach arch_tuple, $(TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH_TUPLE), \
+		$(HOST_MAKE_ENV) $(MAKE) \
+			$(HOST_BINUTILS_BARE_METAL_MAKE_OPTS) \
+			-C $(@D)/build-$(arch_tuple);)
+endef
+
+define HOST_BINUTILS_BARE_METAL_INSTALL_CMDS
+	$(foreach arch_tuple, $(TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH_TUPLE), \
+		$(HOST_MAKE_ENV) $(MAKE) \
+			$(HOST_BINUTILS_BARE_METAL_INSTALL_OPTS) \
+			-C $(@D)/build-$(arch_tuple);)
+endef
 
 $(eval $(host-autotools-package))
-- 
2.25.1