[oe-commits] org.oe.dev angstrom: add very experimental 'eglibc' ANGSTROM_MODE

[koen commit]

angstrom: add very experimental 'eglibc' ANGSTROM_MODE
* set ANGSTROM_MODE = 'eglibc' to use eglibc as your c library
* as the eglibc commit stated: 'only tested up to do_compile'

Author: koen at openembedded.org
Branch: org.openembedded.dev
Revision: 543809deaaa90af2e7bc408ba01f7783902d8ef1
ViewMTN: http://monotone.openembedded.org/revision.psp?id=543809deaaa90af2e7bc408ba01f7783902d8ef1
Files:
1
conf/distro/include/angstrom-eglibc.inc
conf/distro/include/angstrom.inc
Diffs:

#
# mt diff -rf7a94ff45bd11fc207c5ebc17894a615592d4643 -r543809deaaa90af2e7bc408ba01f7783902d8ef1
#
# 
# 
# add_file "conf/distro/include/angstrom-eglibc.inc"
#  content [e85fb0131715f927c8d9216b622a1b12d83f4ec2]
# 
# patch "conf/distro/include/angstrom.inc"
#  from [f253ad10578eef3bc7d8c9b9fc9109e63bbc0e53]
#    to [372f7c2d334de7c0bd564fab1b098f77a81b4b28]
# 
============================================================
--- conf/distro/include/angstrom-eglibc.inc	e85fb0131715f927c8d9216b622a1b12d83f4ec2
+++ conf/distro/include/angstrom-eglibc.inc	e85fb0131715f927c8d9216b622a1b12d83f4ec2
@@ -0,0 +1,22 @@
+# eglibc:
+PREFERRED_PROVIDER_virtual/libiconv ?= "eglibc"
+PREFERRED_PROVIDER_virtual/libintl ?= "eglibc"
+PREFERRED_PROVIDER_virtual/libc ?= "eglibc"
+
+TARGET_OS = "linux${@['','-gnueabi'][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
+# perl has some problems, see http://bugs.openembedded.org/show_bug.cgi?id=1616
+# [23:00] oxo: glibc (any version) on sparc does not like (repeat me) "-Os"
+
+FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os"
+FULL_OPTIMIZATION_pn-perl = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -O1"
+FULL_OPTIMIZATION_sparc = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -O2"
+
+BUILD_OPTIMIZATION = "-Os"
+BUILD_OPTIMIZATION_pn-perl = "-O1"
+BUILD_OPTIMIZATION_sparc = "-O2"
+
+CXXFLAGS += "-fvisibility-inlines-hidden"
+
============================================================
--- conf/distro/include/angstrom.inc	f253ad10578eef3bc7d8c9b9fc9109e63bbc0e53
+++ conf/distro/include/angstrom.inc	372f7c2d334de7c0bd564fab1b098f77a81b4b28
@@ -7,7 +7,7 @@ TARGET_VENDOR = "-angstrom"
 
 TARGET_VENDOR = "-angstrom"
 
-# Can be "glibc" and "uclibc"
+# Can be "glibc", "eglibc" or "uclibc"
 ANGSTROM_MODE ?= "glibc"
 
 DEPLOY_DIR = "${TMPDIR}/deploy/${ANGSTROM_MODE}"