Try cross compiling using CMAKE, target tool chain is ARM RVCT4, got errors on
both Windows and Ubuntu.
Please help, thanks in advance.
1. On Ubuntu.
ADD_EXECUTABLE(hello main.c)
Fatal error: C3900U: Unrecognized option '-rdynamic'.
ADD_EXECUTABLE(hello SHARED main.c)
Fatal error: C3900U: Unrecognized option '-fPIC'.
My question:
I don't know why such compiling options have been added automatically by CMAKE?
armcc doesn't recognize it.
2. On Windows XP.
My Question:
I have set CMAKE_C_COMPILER already, why does it still can't find it?
G:\t2\build>cmake -G "Unix Makefiles" VERBOSE=1 .. && make VERBOSE=1
-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
CMake Error: your C compiler: "CMAKE_C_COMPILER-NOTFOUND" was not found.
Please set CMAKE_C_COMPILER to a valid compiler path or name.
CMake Error: your CXX compiler: "CMAKE_CXX_COMPILER-NOTFOUND" was not found.
Please set CMAKE_CXX_COMPILER to a valid compiler path or name.
CMakeLists:
cmake_minimum_required(VERSION 2.8)
PROJECT (HELLO)
set(RVCT40BIN $ENV{RVCT40BIN})
set(RVCT40INC $ENV{RVCT40INC})
set(RVCT40LIB $ENV{RVCT40LIB})
SET (CMAKE_SYSTEM_PROCESSOR arm)
SET (CMAKE_CROSSCOMPILING 1)
SET(CMAKE_C_COMPILER ${RVCT40BIN}/armcc)
SET(CMAKE_CXX_COMPILER ${CMAKE_C_COMPILER})
SET (CMAKE_C_FLAGS "--thumb --cpp -c --cpu ARM9TDMI --apcs
/noropi/interwork/norwpi --littleend --split_sections --diag_suppress
177,1165,997,611,68,161,2548 --fpu=softvfp -Ospace -O2")
SET (CMAKE_CXX_FLAGS ${CMAKE_C_FLAGS})
SET (CMAKE_C_CREATE_STATIC_LIBRARY "<CMAKE_AR> --create -cr <LINK_FLAGS>
<TARGET> <OBJECTS>")
SET (CMAKE_CXX_CREATE_STATIC_LIBRARY "<CMAKE_AR> --create -cr <LINK_FLAGS>
<TARGET> <OBJECTS>")
INCLUDE_DIRECTORIES(${RVCT40INC})
LINK_DIRECTORIES(${RVCT40LIB}/armlib ${RVCT40LIB}/cpplib)
ADD_EXECUTABLE(hello main.c)
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