41 lines
1.7 KiB
CMake
41 lines
1.7 KiB
CMake
# Cross-compiling requires CMake 2.6 or newer. Example:
|
|
# cmake .. -DCMAKE_TOOLCHAIN_FILE=../XCompile-Android.txt -DHOST=arm-linux-androideabi
|
|
# Where 'arm-linux-androideabi' is the host prefix for the cross-compiler. If
|
|
# you already have a toolchain file setup, you may use that instead of this
|
|
# file. Make sure to set CMAKE_FIND_ROOT_PATH to where the NDK toolchain was
|
|
# installed (e.g. "$ENV{HOME}/toolchains/arm-linux-androideabi-r10c-21").
|
|
|
|
# the name of the target operating system
|
|
SET(CMAKE_SYSTEM_NAME Linux)
|
|
|
|
# which compilers to use for C and C++
|
|
SET(CMAKE_C_COMPILER "${HOST}-clang")
|
|
SET(CMAKE_CXX_COMPILER "${HOST}-clang++")
|
|
|
|
set(CMAKE_SYSTEM_PROCESSOR ${ARCH})
|
|
|
|
# Starting NDK21 it enables NEON by default on 32-bit ARM target
|
|
# Disable it to support more devices
|
|
if("${ARCH}" STREQUAL "arm" AND NOT STK_ARM_NEON)
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfpv3-d16")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfpv3-d16")
|
|
endif()
|
|
|
|
# here is the target environment located
|
|
SET(CMAKE_FIND_ROOT_PATH $ENV{NDK_TOOLCHAIN_PATH})
|
|
|
|
# here is where stuff gets installed to
|
|
SET(CMAKE_INSTALL_PREFIX "${CMAKE_FIND_ROOT_PATH}" CACHE STRING "Install path prefix, prepended onto install directories." FORCE)
|
|
|
|
# adjust the default behaviour of the FIND_XXX() commands:
|
|
# search headers and libraries in the target environment, search
|
|
# programs in the host environment
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
|
|
|
|
# set env vars so that pkg-config will look in the appropriate directory for
|
|
# .pc files (as there seems to be no way to force using ${HOST}-pkg-config)
|
|
set(ENV{PKG_CONFIG_LIBDIR} "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
|
|
set(ENV{PKG_CONFIG_PATH} "")
|