angstrom: add skeleton support for ANGSTROM_MODE = "uclinux-uclibc" (e.g. bfin, arm7tdmi)

diff --git a/conf/distro/include/angstrom-uclinux-uclibc.inc b/conf/distro/include/angstrom-uclinux-uclibc.inc
new file mode 100644 (file)
index 0000000..7d65fc1
--- /dev/null
+++ b/conf/distro/include/angstrom-uclinux-uclibc.inc
@@ -0,0 +1,22 @@
+# uclibc:
+#fix some iconv issues, needs to be adjusted when doing uclibc builds
+PREFERRED_PROVIDER_virtual/libc = "uclibc"
+PREFERRED_PROVIDER_virtual/libiconv ?= "libiconv"
+PREFERRED_PROVIDER_virtual/libintl ?= "gettext"
+
+USE_NLS ?= "no"
+USE_NLS_glib-2.0 = "yes"
+
+TARGET_OS_UC = "uclinux${@['-uclibc','-uclibcgnueabi'][bb.data.getVar('TARGET_ARCH',d,1) in ['arm', 'armeb'] and bb.data.getVar('MACHINE',d) not in ['collie','h3600', 'h3800', 'simpad', 'htcwallaby']]}"
+
+#mess with compiler flags to use -Os instead of -O2
+#Please see http://free-electrons.com/doc/embedded_linux_optimizations/img47.html for some more info
+FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os"
+BUILD_OPTIMIZATION = "-Os"
+
+#Gcc will die with 'internal consistency error when using the above optimizations
+FULL_OPTIMIZATION_avr32 = ""
+BUILD_OPTIMIZATION_avr32 = ""
+
+CXXFLAGS += "-fvisibility-inlines-hidden"
+