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cmake.bbclass: Add OECMAKE_C_LINK_FLAGS and OECMAKE_CXX_LINK_FLAGS variables 

In some cases we need to specify linker flags and right
now we do not have a way to communicate that to cmake
based systems. cmake defines CMAKE_C_LINK_FLAGS and CMAKE_CXX_LINK_FLAGS
for these needs. This patch therefore defines two local variables
namely OECMAKE_C_LINK_FLAGS and OECMAKE_CXX_LINK_FLAGS which
can be altered by recipes to tweak linker flags

(From OE-Core rev: 9e00a74749ba8e1cf0d15efe8e16af60b189e080)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj 2012-06-06 18:29:19 -07:00 committed by Richard Purdie
parent 4b55c928c1
commit 429004f6a5
1 changed files with 4 additions and 0 deletions
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4
meta/classes/cmake.bbclass
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@ -23,6 +23,8 @@ OECMAKE_C_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CPPFLAGS}"
OECMAKE_CXX_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CXXFLAGS} -fpermissive"
OECMAKE_C_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} ${CPPFLAGS} -DNDEBUG"
OECMAKE_CXX_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} ${CXXFLAGS} -DNDEBUG"
OECMAKE_C_LINK_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CPPFLAGS} ${LDFLAGS}"
OECMAKE_CXX_LINK_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CXXFLAGS} ${LDFLAGS}"
OECMAKE_RPATH ?= ""
OECMAKE_PERLNATIVE_DIR ??= ""
@ -40,6 +42,8 @@ set( CMAKE_C_FLAGS "${OECMAKE_C_FLAGS}" CACHE STRING "CFLAGS" )
set( CMAKE_CXX_FLAGS "${OECMAKE_CXX_FLAGS}" CACHE STRING "CXXFLAGS" )
set( CMAKE_C_FLAGS_RELEASE "${OECMAKE_C_FLAGS_RELEASE}" CACHE STRING "CFLAGS for release" )
set( CMAKE_CXX_FLAGS_RELEASE "${OECMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "CXXFLAGS for release" )
set( CMAKE_C_LINK_FLAGS "${OECMAKE_C_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
set( CMAKE_CXX_LINK_FLAGS "${OECMAKE_CXX_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
# only search in the paths provided so cmake doesnt pick
# up libraries and tools from the native build machine