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classes/cmake: add arch conversion routine

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cmake expects target architecture strings in the format of uname(2),
which do not always match TARGET_ARCH (e.g. powerpc vs ppc).

(From OE-Core rev: 7c61d022aa9bbba3c2f8a2df46eeb19e2772c89a)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alexander Kanavin
2015-07-29 14:57:14 +03:00
committed by Richard Purdie
parent 2b46af7ad0
commit c89a1eb877
1 changed files with 11 additions and 1 deletions
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12
meta/classes/cmake.bbclass
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@@ -30,12 +30,22 @@ OECMAKE_EXTRA_ROOT_PATH ?= ""
OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM = "ONLY"
OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM_class-native = "BOTH"
# CMake expects target architectures in the format of uname(2),
# which do not always match TARGET_ARCH, so all the necessary
# conversions should happen here.
def map_target_arch_to_uname_arch(target_arch):
if target_arch == "powerpc":
return "ppc"
if target_arch == "powerpc64":
return "ppc64"
return target_arch
cmake_do_generate_toolchain_file() {
cat > ${WORKDIR}/toolchain.cmake <<EOF
# CMake system name must be something like "Linux".
# This is important for cross-compiling.
set( CMAKE_SYSTEM_NAME `echo ${TARGET_OS} | sed -e 's/^./\u&/' -e 's/^\(Linux\).*/\1/'` )
set( CMAKE_SYSTEM_PROCESSOR ${TARGET_ARCH} )
set( CMAKE_SYSTEM_PROCESSOR ${@map_target_arch_to_uname_arch(d.getVar('TARGET_ARCH', True))} )
set( CMAKE_C_COMPILER ${OECMAKE_C_COMPILER} )
set( CMAKE_CXX_COMPILER ${OECMAKE_CXX_COMPILER} )
set( CMAKE_ASM_COMPILER ${OECMAKE_C_COMPILER} )