bitbake.conf: Add a full set of SDK variables.

This includes SDK_{ARCH,OS,VENDOR,SYS,PREFIX,CC_ARCH,EXEEXT}, STAGING_DIR_SDK,
and SDK_{CPP,C,CXX,LD}FLAGS.  This is required for actually building a
canadian SDK.

diff --git a/conf/bitbake.conf b/conf/bitbake.conf
index 1164411..c2af8cd 100644 (file)
--- a/conf/bitbake.conf
+++ b/conf/bitbake.conf
@@ -89,6 +89,14 @@ TARGET_PREFIX = "${TARGET_SYS}-"
 TARGET_CC_ARCH = ""
 TARGET_EXEEXT = ""
 
+SDK_ARCH ?= "${BUILD_ARCH}"
+SDK_OS ?= "${BUILD_OS}"
+SDK_VENDOR ?= "${BUILD_VENDOR}"
+SDK_SYS = "${SDK_ARCH}${SDK_VENDOR}${@['-' + bb.data.getVar('SDK_OS', d, 1), ''][bb.data.getVar('SDK_OS', d, 1) == ('' or 'custom')]}"
+SDK_PREFIX = "${SDK_SYS}-"
+SDK_CC_ARCH ?= "${BUILD_CC_ARCH}"
+SDK_EXEEXT = ""
+
 # A shortcut for the commonly used value
 EXEEXT = "${HOST_EXEEXT}"
 
@@ -274,6 +282,8 @@ STAGING_PYDIR = "${STAGING_DIR}/lib/python2.4"
 # specific packages - hack around it for now.
 STAGING_DIR_TARGET = "${STAGING_DIR}/${BASEPKG_TARGET_SYS}"
 
+STAGING_DIR_SDK = "${STAGING_DIR}/${SDK_SYS}"
+
 DEPLOY_DIR = "${TMPDIR}/deploy"
 DEPLOY_DIR_TAR = "${DEPLOY_DIR}/tar"
 DEPLOY_DIR_IPK = "${DEPLOY_DIR}/ipk"
@@ -400,14 +410,17 @@ PATCHRESOLVE = 'noop'
 export BUILD_CPPFLAGS = "-isystem${STAGING_INCDIR_NATIVE}"
 export CPPFLAGS = "${TARGET_CPPFLAGS}"
 export TARGET_CPPFLAGS = "-isystem${STAGING_DIR_TARGET}${layout_includedir}"
+export SDK_CPPFLAGS = "-isystem${STAGING_DIR_SDK}${layout_includedir} -isystem${STAGING_DIR_HOST}${layout_includedir}"
 
 export BUILD_CFLAGS = "${BUILD_CPPFLAGS} ${BUILD_OPTIMIZATION}"
 export CFLAGS = "${TARGET_CFLAGS}"
 export TARGET_CFLAGS = "${TARGET_CPPFLAGS} ${SELECTED_OPTIMIZATION}"
+export SDK_CFLAGS = "${SDK_CPPFLAGS} ${SELECTED_OPTIMIZATION}"
 
 export BUILD_CXXFLAGS = "${BUILD_CFLAGS} -fpermissive"
 export CXXFLAGS = "${TARGET_CXXFLAGS}"
 export TARGET_CXXFLAGS = "${TARGET_CFLAGS} -fpermissive"
+export SDK_CXXFLAGS = "${SDK_CFLAGS} -fpermissive"
 
 export BUILD_LDFLAGS = "-L${STAGING_LIBDIR_NATIVE} \
                         -Wl,-rpath-link,${STAGING_LIBDIR_NATIVE} \
@@ -418,6 +431,9 @@ export TARGET_LDFLAGS = "-L${STAGING_DIR_TARGET}${layout_libdir} \
                          -Wl,-rpath-link,${STAGING_DIR_TARGET}${layout_libdir} \
                          -Wl,-O1 \
                          ${TARGET_LINK_HASH_STYLE}"
+export SDK_LDFLAGS = "-L${STAGING_DIR_SDK}${layout_libdir} \
+                         -Wl,-rpath-link,${STAGING_DIR_SDK}${layout_libdir} \
+                         -Wl,-O1"
 
 # Which flags to leave by strip-flags() in bin/build/oebuild.sh ?
 ALLOWED_FLAGS = "-O -mcpu -march -pipe"