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- add an experimental BR2_PREFER_IMA.

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Currently disfunctional for gcc-4.2 due to PR30620 and possibly others
This commit is contained in:
Bernhard Reutner-Fischer 2007-01-28 12:03:58 +00:00
parent f27735d605
commit 93ab6d3021
4 changed files with 87 additions and 32 deletions
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27
Config.in
View File

@ -10,7 +10,7 @@ choice
prompt "Target Architecture"
default BR2_i386
help
Stuff
Select the target architecture family to build for.
config BR2_alpha
bool "alpha"
@ -52,6 +52,9 @@ choice
prompt "Target Architecture Variant"
depends BR2_arm || BR2_armeb
default BR2_generic_arm
help
Specific CPU variant to use
config BR2_generic_arm
bool "generic_arm"
config BR2_arm610
@ -97,6 +100,9 @@ choice
prompt "Target ABI"
depends BR2_arm || BR2_armeb
default BR2_ARM_OABI
help
Application Binary Interface to use
config BR2_ARM_OABI
bool "OABI"
config BR2_ARM_EABI
@ -107,6 +113,9 @@ choice
prompt "Target Architecture Variant"
depends BR2_sh
default BR2_sh4
help
Specific CPU variant to use
config BR2_sh2a_nofpueb
bool "sh2a_nofpueb"
config BR2_sh2eb
@ -129,6 +138,9 @@ choice
prompt "Target Architecture Variant"
depends BR2_i386
default BR2_x86_i686
help
Specific CPU variant to use
config BR2_x86_i386
bool "i386"
config BR2_x86_i486
@ -296,6 +308,19 @@ config BR2_JLEVEL
help
Number of jobs to run simultaneously
config BR2_PREFER_IMA
bool "prefer IMA compiles"
default n
help
Where possible, compile package with Inter Module Analysis.
This potentially uses alot of system resources on your compile
host with the benefit of creating smaller binaries for the target.
If unsure, say No.
WARNING: This is highly experimental at the moment.
endmenu
source "toolchain/Config.in"

8
package/busybox/busybox.mk
View File

@ -96,6 +96,14 @@ $(BUSYBOX_DIR)/busybox: $(BUSYBOX_DIR)/.configured
CROSS="$(TARGET_CROSS)" PREFIX="$(TARGET_DIR)" \
ARCH=$(KERNEL_ARCH) \
EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(BUSYBOX_DIR)
ifeq ($(BR2_PREFER_IMA)$(BR2_PACKAGE_BUSYBOX_SNAPSHOT),yy)
rm -f $@
$(MAKE) CC=$(TARGET_CC) CROSS_COMPILE="$(TARGET_CROSS)" \
CROSS="$(TARGET_CROSS)" PREFIX="$(TARGET_DIR)" \
ARCH=$(KERNEL_ARCH) STRIP="$(STRIP)" \
EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(BUSYBOX_DIR) \
-f scripts/Makefile.IMA
endif
$(TARGET_DIR)/bin/busybox: $(BUSYBOX_DIR)/busybox
ifeq ($(BR2_PACKAGE_BUSYBOX_INSTALL_SYMLINKS),y)

8
toolchain/gcc/Config.in.2
View File

@ -5,3 +5,11 @@ config BR2_PACKAGE_GCC_TARGET
help
If you want the target system to be able to run
binutils/gcc and compile native code, say Y here.
config BR2_EXTRA_TARGET_GCC_CONFIG_OPTIONS
string "Additional target gcc options"
default ""
help
Any additional target gcc options you may want to include....
Including, but not limited to --disable-checking etc.
Refer to */configure in your gcc sources.

14
toolchain/gcc/Makefile.in
View File

@ -55,5 +55,19 @@ TARGET_GCC_FLAGS= CFLAGS_FOR_TARGET="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
BOOT_CFLAGS="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)"
ifeq ($(strip $(BR2_PACKAGE_GCC_TARGET)),y)
# pull in config opts from the user
EXTRA_TARGET_GCC_CONFIG_OPTIONS:=$(strip $(subst ",, $(BR2_EXTRA_TARGET_GCC_CONFIG_OPTIONS)))
#"))
ifeq ($(BR2_PREFER_IMA),y)
# >= 4.2
ifeq ($(findstring 4.2,$(GCC_VERSION)),4.2)
EXTRA_TARGET_GCC_CONFIG_OPTIONS+=--enable-intermodule
endif
ifeq ($(findstring 4.3,$(GCC_VERSION)),4.3)
EXTRA_TARGET_GCC_CONFIG_OPTIONS+=--enable-intermodule
endif
endif # BR2_PREFER_IMA=y
TARGETS+=gcc_target
endif