1 #-------------------------------------------------------------------------
2 # drawElements CMake utilities
3 # ----------------------------
5 # Copyright 2016 The Android Open Source Project
7 # Licensed under the Apache License, Version 2.0 (the "License");
8 # you may not use this file except in compliance with the License.
9 # You may obtain a copy of the License at
11 # http://www.apache.org/licenses/LICENSE-2.0
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS,
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 # See the License for the specific language governing permissions and
17 # limitations under the License.
19 #-------------------------------------------------------------------------
22 set(CMAKE_SYSTEM_NAME Linux)
24 set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
26 set(CMAKE_CROSSCOMPILING 1)
28 # NDK installation path
29 if (NOT DEFINED ANDROID_NDK_PATH)
30 message(FATAL_ERROR "Please provide ANDROID_NDK_PATH")
33 # Host os (for toolchain binaries)
34 if (NOT DEFINED ANDROID_NDK_HOST_OS)
35 message(FATAL_ERROR "Please provide ANDROID_NDK_HOST_OS")
39 set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI")
40 set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}")
43 set(DE_OS "DE_OS_ANDROID")
45 if (NOT DEFINED DE_COMPILER)
46 set(DE_COMPILER "DE_COMPILER_CLANG")
49 if (NOT DEFINED DE_ANDROID_API)
53 set(COMMON_C_FLAGS "-D__STDC_INT64__")
54 set(COMMON_CXX_FLAGS "${COMMON_C_FLAGS} -frtti -fexceptions")
55 set(COMMON_LINKER_FLAGS "")
58 if (ANDROID_ABI STREQUAL "x86")
59 set(DE_CPU "DE_CPU_X86")
60 set(CMAKE_SYSTEM_PROCESSOR i686-android-linux)
62 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
63 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/i686-linux-android-")
64 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86")
66 set(CMAKE_FIND_ROOT_PATH
67 "${ANDROID_CC_PATH}i686-linux-android"
68 "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9"
71 set(TARGET_C_FLAGS "-march=i686 -msse3 -mstackrealign -mfpmath=sse")
72 set(TARGET_LINKER_FLAGS "")
73 set(LLVM_TRIPLE "i686-none-linux-android")
75 elseif (ANDROID_ABI STREQUAL "armeabi" OR
76 ANDROID_ABI STREQUAL "armeabi-v7a")
77 set(DE_CPU "DE_CPU_ARM")
78 set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi)
80 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
81 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/arm-linux-androideabi-")
82 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm")
83 set(ARM_C_FLAGS "-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ")
85 if (ANDROID_ABI STREQUAL "armeabi-v7a")
86 set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp")
87 set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv7-a")
88 set(LLVM_TRIPLE "armv7-none-linux-androideabi")
91 set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv5te -mfloat-abi=softfp")
92 set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv5te")
93 set(LLVM_TRIPLE "armv5te-none-linux-androideabi")
96 set(CMAKE_FIND_ROOT_PATH
97 "${ANDROID_CC_PATH}arm-linux-androideabi"
100 elseif (ANDROID_ABI STREQUAL "arm64-v8a")
101 set(DE_CPU "DE_CPU_ARM_64")
102 set(CMAKE_SYSTEM_PROCESSOR aarch64-linux-android)
103 set(CMAKE_SIZEOF_VOID_P 8)
105 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/aarch64-linux-android-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
106 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/aarch64-linux-android-")
107 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm64")
109 set(CMAKE_FIND_ROOT_PATH
110 "${ANDROID_CC_PATH}arm-linux-androideabi"
113 set(TARGET_C_FLAGS "-march=armv8-a")
114 set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a53-835769 -Wl,--fix-cortex-a53-835769 -march=armv8-a")
115 set(LLVM_TRIPLE "aarch64-none-linux-android")
117 if (DE_COMPILER STREQUAL "DE_COMPILER_GCC")
118 set(TARGET_C_FLAGS "${TARGET_C_FLAGS} -mabi=lp64")
121 elseif (ANDROID_ABI STREQUAL "x86_64")
122 set(DE_CPU "DE_CPU_X86_64")
123 set(CMAKE_SYSTEM_PROCESSOR x86_64-linux-android)
124 set(CMAKE_SIZEOF_VOID_P 8)
126 set(CMAKE_LIBRARY_PATH "/usr/lib64")
128 set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86_64-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
129 set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/x86_64-linux-android-")
130 set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86_64")
132 set(CMAKE_FIND_ROOT_PATH
133 "${ANDROID_CC_PATH}x86_64-linux-android"
136 set(LLVM_TRIPLE "x86_64-none-linux-android")
139 message(FATAL_ERROR "Unknown ABI \"${ANDROID_ABI}\"")
142 # Use LLVM libc++ for full C++11 support
143 set(ANDROID_CXX_LIBRARY "${ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/libs/${ANDROID_ABI}/libc++_static.a")
144 set(CXX_INCLUDES "-I${ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/libcxx/include")
145 set(CMAKE_FIND_ROOT_PATH "" ${CMAKE_FIND_ROOT_PATH})
147 set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${ANDROID_SYSROOT})
149 include(CMakeForceCompiler)
151 if (ANDROID_NDK_HOST_OS STREQUAL "windows" OR
152 ANDROID_NDK_HOST_OS STREQUAL "windows-x86_64")
158 if (DE_COMPILER STREQUAL "DE_COMPILER_GCC")
159 set(CMAKE_C_COMPILER "${CROSS_COMPILE}gcc${BIN_EXT}" CACHE FILEPATH "C Compiler")
160 set(CMAKE_CXX_COMPILER "${CROSS_COMPILE}g++${BIN_EXT}" CACHE FILEPATH "C++ Compiler")
162 set(TARGET_C_FLAGS "-mandroid ${TARGET_C_FLAGS}")
164 elseif (DE_COMPILER STREQUAL "DE_COMPILER_CLANG")
165 set(LLVM_PATH "${ANDROID_NDK_PATH}/toolchains/llvm/prebuilt/${ANDROID_NDK_HOST_OS}/")
167 set(CMAKE_C_COMPILER "${LLVM_PATH}bin/clang${BIN_EXT}" CACHE FILEPATH "C Compiler")
168 set(CMAKE_CXX_COMPILER "${LLVM_PATH}bin/clang++${BIN_EXT}" CACHE FILEPATH "C++ Compiler")
169 set(CMAKE_AR "${CROSS_COMPILE}ar${BIN_EXT}" CACHE FILEPATH "Archiver")
170 set(CMAKE_RANLIB "${CROSS_COMPILE}ranlib${BIN_EXT}" CACHE FILEPATH "Indexer")
172 set(TARGET_C_FLAGS "-target ${LLVM_TRIPLE} -gcc-toolchain ${ANDROID_CC_PATH} ${TARGET_C_FLAGS}")
173 set(TARGET_LINKER_FLAGS "-target ${LLVM_TRIPLE} -gcc-toolchain ${ANDROID_CC_PATH} ${TARGET_LINKER_FLAGS}")
177 set(CMAKE_SHARED_LIBRARY_C_FLAGS "")
178 set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
180 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
181 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
182 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
184 # \note Without CACHE STRING FORCE cmake ignores these.
185 set(CMAKE_C_FLAGS "--sysroot=${ANDROID_SYSROOT} ${CMAKE_C_FLAGS} ${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE)
186 set(CMAKE_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT} ${CMAKE_CXX_FLAGS} ${COMMON_CXX_FLAGS} ${TARGET_C_FLAGS} ${CXX_INCLUDES} -I${ANDROID_NDK_PATH}/sources/android/support/include" CACHE STRING "" FORCE)
187 set(CMAKE_SHARED_LINKER_FLAGS "-nodefaultlibs -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
188 set(CMAKE_EXE_LINKER_FLAGS "-nodefaultlibs ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)