cleanup makefiles

[openwrt/svn-archive/archive.git] / openwrt / toolchain / Config.in

diff --git a/openwrt/toolchain/Config.in b/openwrt/toolchain/Config.in
index fd906f05f6f33ce8444d0c873facff5512b38e50..79a991bb425f2606048cec067398f1dc4dccda84 100644 (file)
--- a/openwrt/toolchain/Config.in
+++ b/openwrt/toolchain/Config.in
@@ -1,28 +1,61 @@
 #
 
+menu "Toolchain Options"
+
 source "toolchain/uClibc/Config.in"
 source "toolchain/binutils/Config.in"
 source "toolchain/gcc/Config.in"
 
 if CONFIG_DEVEL
-       comment "Common Toolchain Options"
+comment "Common Toolchain Options"
+endif
+if !CONFIG_DEVEL
+comment "Using defaults
 endif
 
 config BR2_ENABLE_MULTILIB
-       bool
+       bool "Enable multilib support?" if CONFIG_DEVEL
        default n
+       help
+           If you want multilib enabled, enable this...
 
 config BR2_LARGEFILE
-       bool
+       bool "Enable large file (files > 2 GB) support?" if CONFIG_DEVEL
        depends on !BR2_cris
        default y
+       help
+           Enable large file (files > 2 GB) support
 
 config BR2_SOFT_FLOAT
-       bool
+       bool "Use software floating point by default" if CONFIG_DEVEL
        default n
        depends on BR2_arm || BR2_mips || BR2_powerpc
+       help
+         If your target CPU does not have a Floating Point Unit (FPU) or a
+         kernel FPU emulator, but you still wish to support floating point
+         functions, then everything will need to be compiled with soft floating
+         point support (-msoft-float).
+
+         Most people will answer N.
 
 config BR2_TARGET_OPTIMIZATION
-       string
-       default "-Os -pipe -mips32 -mtune=mips32"
+       string "Target Optimizations" if CONFIG_DEVEL
+       default "-Os -pipe -march=i486 -funit-at-a-time" if BR2_i386
+       default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if BR2_mipsel || BR2_mips
+       default "-Os -pipe -mcpu=xscale -funit-at-a-time" if BR2_armeb
+       default "-Os -pipe -funit-at-a-time"
+       help
+         Optimizations to use when building for the target host.
+
+# Might be worth experimenting with for gcc 3.4.x.
+#GCC_WITH_CPU:=
+#GCC_WITH_ARCH:=
+#GCC_WITH_TUNE:=
+
+#GCC_WITH_CPU:=--with-cpu=
+#GCC_WITH_ARCH:=--with-arch=
+#GCC_WITH_TUNE:=--with-tune=
+
+
+endmenu