8070643ba5
- move CI only prerequisites to github actions - Add linux, mac prereq actions - Add an action for indicating dependency versions - Move ninja installation into its own script
104 lines
3.8 KiB
CMake
104 lines
3.8 KiB
CMake
# Copyright (C) 2018 The Android Open Source Project
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
# For information on how to generate the toolchain, see filament/README.md
|
|
|
|
# this one is important
|
|
set(CMAKE_SYSTEM_NAME Linux)
|
|
|
|
# this one not so much
|
|
set(CMAKE_SYSTEM_VERSION 1)
|
|
|
|
# android
|
|
set(API_LEVEL 21)
|
|
|
|
# architecture
|
|
set(ARCH armv7a-linux-androideabi)
|
|
set(AR_ARCH arm-linux-androideabi)
|
|
set(DIST_ARCH armeabi-v7a)
|
|
|
|
# toolchain
|
|
string(TOLOWER ${CMAKE_HOST_SYSTEM_NAME} HOST_NAME_L)
|
|
file(TO_CMAKE_PATH $ENV{ANDROID_HOME} ANDROID_HOME_UNIX)
|
|
|
|
message(STATUS "Try using NDK \'${FILAMENT_NDK_VERSION}\'")
|
|
if (NOT FILAMENT_NDK_VERSION)
|
|
file(READ "${CMAKE_CURRENT_LIST_DIR}/common/versions" VERSIONS_STR)
|
|
string(REGEX MATCH "GITHUB_NDK_VERSION=(\\d+)" _UNUSED ${VERSIONS_STR})
|
|
if(CMAKE_MATCH_1)
|
|
set(FILAMENT_NDK_VERSION "${CMAKE_MATCH_1}")
|
|
endif()
|
|
endif()
|
|
message(STATUS "Using NDK \'${FILAMENT_NDK_VERSION}\'")
|
|
|
|
file(GLOB NDK_VERSIONS LIST_DIRECTORIES true ${ANDROID_HOME_UNIX}/ndk/${FILAMENT_NDK_VERSION}*)
|
|
list(SORT NDK_VERSIONS)
|
|
list(GET NDK_VERSIONS -1 NDK_VERSION)
|
|
get_filename_component(NDK_VERSION ${NDK_VERSION} NAME)
|
|
set(TOOLCHAIN ${ANDROID_HOME_UNIX}/ndk/${NDK_VERSION}/toolchains/llvm/prebuilt/${HOST_NAME_L}-x86_64)
|
|
|
|
# specify the cross compiler
|
|
set(COMPILER_SUFFIX)
|
|
set(TOOL_SUFFIX)
|
|
if(WIN32)
|
|
set(COMPILER_SUFFIX ".cmd")
|
|
set(TOOL_SUFFIX ".exe")
|
|
endif()
|
|
set(CMAKE_C_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang${COMPILER_SUFFIX})
|
|
set(CMAKE_CXX_COMPILER ${TOOLCHAIN}/bin/${ARCH}${API_LEVEL}-clang++${COMPILER_SUFFIX})
|
|
set(CMAKE_AR ${TOOLCHAIN}/bin/llvm-ar${TOOL_SUFFIX} CACHE FILEPATH "Archiver")
|
|
set(CMAKE_RANLIB ${TOOLCHAIN}/bin/llvm-ranlib${TOOL_SUFFIX})
|
|
set(CMAKE_STRIP ${TOOLCHAIN}/bin/llvm-strip${TOOL_SUFFIX})
|
|
|
|
# where is the target environment
|
|
set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/sysroot)
|
|
|
|
# search for programs in the build host directories
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
|
|
|
|
# for libraries and headers in the target directories
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
|
|
|
|
# compiler and linker flags
|
|
# note for gcc add:
|
|
# C_FLAGS += -Wl,-pie
|
|
# CXX_FLAGS += -lstdc++
|
|
#
|
|
# Cortex-A9 only has fpv3, but AFAIK, no Cortex-A9 has GLES 3.x capable GPU
|
|
#
|
|
# Krait support vfpv4
|
|
# Cortex-A12 and Cortex-A15 ARMv7 support neon-fpv4
|
|
# Cortex-A7 support fpv4 iif it has neon
|
|
#
|
|
# float ABI:
|
|
# for softpf: CFLAGS must have -mfloat-abi=softfp
|
|
# for hardfp: CFLAGS must have -mhard-float
|
|
# LDFLAGS must have -Wl,--no-warn-mismatch
|
|
#
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb -march=armv7-a -mcpu=cortex-a15 -mfloat-abi=softfp -mfpu=neon-vfpv4 -fPIE" CACHE STRING "Toolchain CFLAGS")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_C_FLAGS}" CACHE STRING "Toolchain CXXFLAGS")
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -march=armv7-a -Wl,--no-warn-mismatch -L${TOOLCHAIN}/arm-linux-androideabi/lib/armv7-a -static-libstdc++ -fPIE -pie" CACHE STRING "Toolchain LDFLAGS")
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -march=armv7-a -Wl,--no-warn-mismatch -L${TOOLCHAIN}/arm-linux-androideabi/lib/armv7-a -static-libstdc++" CACHE STRING "Toolchain LDFLAGS")
|
|
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
|
|
|
|
set(ANDROID TRUE)
|
|
set(EGL TRUE)
|
|
|
|
# we are compiling Android on Windows
|
|
set(ANDROID_ON_WINDOWS FALSE)
|
|
if(WIN32)
|
|
set(ANDROID_ON_WINDOWS TRUE)
|
|
endif()
|