X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/3d007394805916ceb2214bfd7e06d8a4899262c5..45c7419a4f7a4436c27ffd62b1a05724c4ce6357:/openwrt/toolchain/Config.in

diff --git a/openwrt/toolchain/Config.in b/openwrt/toolchain/Config.in
index fd906f05f..75400bc20 100644
--- 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 -mno-thumb-interwork -mno-thumb -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