diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 31 |
1 files changed, 14 insertions, 17 deletions
@@ -33,7 +33,6 @@ ARCH:=i386 #ARCH:=arm #ARCH:=mips #ARCH:=mipsel -# Possible issues remaining with powerpc and soft float. #ARCH:=powerpc #ARCH:=sh4 # Busybox link failing due to needing libgcc functions that are statics. @@ -49,9 +48,8 @@ ARCH:=i386 # Enable this if you want to use an <arch>-linux-uclibc-* toolchain. # Note that, to avoid configure problems with apps that don't support # this tupple, we also put <arch>-linux-* symlinks in staging_dir/bin. -# WARNING -- This does not yet support soft-float builds. +# This is the preferred approach now. USE_LINUX_UCLIBC:=true -#USE_LINUX_UCLIBC:=false # If you are building a native gcc toolchain, do you want to # build the old gcc-2.95 based toolchain, or would you prefer @@ -82,6 +80,8 @@ WGET:=wget --passive-ftp ifeq ($(USE_LINUX_UCLIBC),true) OPTIMIZE_FOR_CPU=$(ARCH) #OPTIMIZE_FOR_CPU=i686 +# Note... gcc 2.95 does not seem to like anything higher than i586. +#OPTIMIZE_FOR_CPU=i586 #OPTIMIZE_FOR_CPU=whatever else # WARNING!!! CURRENTLY BROKEN!!! LEAVE IT AS $(ARCH)!!! @@ -91,15 +91,16 @@ endif # Soft floating point options. # Notes: -# Currently builds with gcc 3.3 for i386, arm, mips, mipsel. +# Currently builds with gcc 3.3 for arm, mips, mipsel, powerpc. +# (i386 support will be added back in at some point.) # Only tested with multilib enabled. # For i386, long double is the same as double (64 bits). While this # is unusual for x86, it seemed the best approach considering the # limitations in the gcc floating point emulation library. # For arm, soft float uses the usual libfloat routines. -# The uClibc built will support _only_ applications compiled with the -# -msoft-float flag. To avoid CFLAGS problems, you may want to use -# scripts similar to those in the build*/staging_dir/bin directory. +# Custom specs files are used to set the default gcc mode to soft float +# as a convenience, since you shouldn't link hard and soft float +# together. In fact, arm won't even let you. # (Un)comment the appropriate line below. #SOFT_FLOAT:=true SOFT_FLOAT:=false @@ -212,11 +213,6 @@ TARGETS+=ext2root # ############################################################# -# The new stuff doesn't support soft float yet. -ifeq ($(USE_LINUX_UCLIBC),true) -SOFT_FLOAT:=false -endif - ifeq ($(SOFT_FLOAT),true) SOFT_FLOAT_CONFIG_OPTION:=--without-float TARGET_SOFT_FLOAT:=-msoft-float @@ -243,7 +239,7 @@ endif ifneq ($(BUILD_WITH_LARGEFILE),true) DISABLE_LARGEFILE= --disable-largefile endif -TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) $(TARGET_SOFT_FLOAT) +TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) HOSTCC:=gcc BASE_DIR:=${shell pwd} @@ -269,7 +265,7 @@ KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux- TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux- endif -TARGET_CC=$(TARGET_CROSS)gcc$(TARGET_SOFT_FLOAT) +TARGET_CC=$(TARGET_CROSS)gcc STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note @@ -291,10 +287,11 @@ TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \ AS=$(TARGET_CROSS)as \ LD=$(TARGET_CROSS)ld \ NM=$(TARGET_CROSS)nm \ - CC=$(TARGET_CROSS)gcc$(TARGET_SOFT_FLOAT) \ - GCC=$(TARGET_CROSS)gcc$(TARGET_SOFT_FLOAT) \ - CXX=$(TARGET_CROSS)g++$(TARGET_SOFT_FLOAT) \ + CC=$(TARGET_CROSS)gcc \ + GCC=$(TARGET_CROSS)gcc \ + CXX=$(TARGET_CROSS)g++ \ RANLIB=$(TARGET_CROSS)ranlib + ifeq ($(ENABLE_LOCALE),true) DISABLE_NLS:= else |