diff options
| -rw-r--r-- | toolchain/Config.in | 29 | ||||
| -rw-r--r-- | toolchain/binutils/Makefile | 3 | ||||
| -rw-r--r-- | toolchain/gcc/Makefile | 18 | ||||
| -rw-r--r-- | toolchain/gcc/files/alternate-arch-cc.in | 3 |
4 files changed, 53 insertions, 0 deletions
diff --git a/toolchain/Config.in b/toolchain/Config.in index 192818f94..c4f6e14f5 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -10,6 +10,35 @@ menuconfig TOOLCHAINOPTS bool "Toolchain Options" if DEVEL depends !NATIVE_TOOLCHAIN +menuconfig EXTRA_TARGET_ARCH + bool + prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS + default n + help + Some builds may require a 'biarch' toolchain. This option + allows you to specify an additional target arch. + + Most people will answer N here. + + config EXTRA_TARGET_ARCH_NAME + string + prompt "Extra architecture name" if EXTRA_TARGET_ARCH + help + Specify the cpu name (eg powerpc64 or x86_64) of the + additional target architecture. + + config EXTRA_TARGET_ARCH_OPTS + string + prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH + help + If you're specifying an addition target architecture, + you'll probably need to also provide options to make + the compiler use this alternate arch. + + For example, if you're building a compiler that can build + both powerpc and powerpc64 binaries, you'll need to + specify -m64 here. + source "toolchain/binutils/Config.in" source "toolchain/gcc/Config.in" source "toolchain/uClibc/Config.in" diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile index b3161b315..8682fa596 100644 --- a/toolchain/binutils/Makefile +++ b/toolchain/binutils/Makefile @@ -24,6 +24,8 @@ BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN) include $(INCLUDE_DIR)/host-build.mk +EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc) + define Build/Configure $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(PKG_BUILD_DIR)/ (cd $(PKG_BUILD_DIR); \ @@ -34,6 +36,7 @@ define Build/Configure --target=$(REAL_GNU_TARGET_NAME) \ --disable-werror \ --disable-nls \ + $(EXTRA_TARGET) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(call qstrip,$(CONFIG_EXTRA_BINUTILS_CONFIG_OPTIONS)) \ ); diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile index a1d1baa40..875c37582 100644 --- a/toolchain/gcc/Makefile +++ b/toolchain/gcc/Makefile @@ -40,6 +40,8 @@ BUILD_DIR2:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-final SEP:=, TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)" +EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc) + define Stage1/Configure $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk @@ -60,6 +62,7 @@ define Stage1/Configure --disable-nls \ --disable-libmudflap \ --disable-multilib \ + $(EXTRA_TARGET) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \ ); @@ -93,6 +96,7 @@ define Stage2/Configure --disable-nls \ --disable-libmudflap \ --disable-multilib \ + $(EXTRA_TARGET) \ $(SOFT_FLOAT_CONFIG_OPTION) \ $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \ ); @@ -102,6 +106,19 @@ define Stage2/Compile export SHELL="\$(BASH)"; \$(MAKE) -C \$(BUILD_DIR2) all endef +define SetupExtraArch + for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \ + [ -e $$$$app ] || continue; \ + old_base=$$$$(basename $$$$app); \ + new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \ + sed -e "s/@CC_BASE@/$$$$old_base/" \ + -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \ + ./files/alternate-arch-cc.in > \ + $(TOOLCHAIN_DIR)/bin/$$$$new_base; \ + chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \ + done +endef + define Stage2/Install $(MAKE) -C $(BUILD_DIR2) \ SHELL="$(BASH)" \ @@ -116,6 +133,7 @@ define Stage2/Install $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \ done; \ ); + $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch)) endef define Build/Prepare diff --git a/toolchain/gcc/files/alternate-arch-cc.in b/toolchain/gcc/files/alternate-arch-cc.in new file mode 100644 index 000000000..e169951eb --- /dev/null +++ b/toolchain/gcc/files/alternate-arch-cc.in @@ -0,0 +1,3 @@ +#!/bin/sh + +exec @CC_BASE@ @EXTRA_ARCH_OPTS@ "$@" |