build_universal.cmake

# Copyright 2019 Google
#
# 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.

# Logic for building the universal library version of App.

include(build_firebase_aar)

# The template of the project list file.
set(PROJECT_LIST_TEMPLATE ${CMAKE_CURRENT_LIST_DIR}/project_list.template)

# Build the Universal shared library that contains all of the provided
# libraries to link with.
#
# Args:
# TARGET_LINK_LIB_NAMES: The libraries to link into the universal library.
# PROJECT_LIST_HEADER: The variable that has the define to include in the
# generated header file, used by the export_fix logic.
function(build_uni TARGET_LINK_LIB_NAMES PROJECT_LIST_HEADER_VARIABLE)
 set(UNI_LIBRARY_LIST_HEADER ${CMAKE_CURRENT_BINARY_DIR}/generated/firebase_project_list.h)
 string(JOIN " \\\n" PROJECT_LIST_HEADER_RAW ${${PROJECT_LIST_HEADER_VARIABLE}})

# Generate the file that includes the defines the macros used by the export
# fix logic.
 configure_file(${PROJECT_LIST_TEMPLATE}${UNI_LIBRARY_LIST_HEADER}
 @ONLY
NEWLINE_STYLE CRLF
 )

 if(ANDROID)
 set(platform_SRC
 app/src/unity_main.cpp)
 else()
 set(platform_SRC)
 endif()
 add_library(firebase_app_uni SHARED
 app/src/export_fix.cc
"${platform_SRC}")

# Use underscore in file name.
 set_target_properties(firebase_app_uni
 PROPERTIES
OUTPUT_NAME"${FIREBASE_APP_UNI_VERSIONED}"
 )

 if(ANDROID)
 set_target_properties(firebase_app_uni PROPERTIES PREFIX"lib")
 else()
# Do not use the default "lib" prefix
 set_target_properties(firebase_app_uni PROPERTIES PREFIX"")

 if(APPLE)
# Other approach like set target link or set BUNDLE property fail due to
# trying to treat the bundle as a directory instead of a file.
# Only override suffix produces a single file bundle.
 set_target_properties(firebase_app_uni PROPERTIES SUFFIX".bundle")
 endif()
 endif()

 target_include_directories(firebase_app_uni
PRIVATE
${CMAKE_CURRENT_BINARY_DIR}/generated
${FIREBASE_CPP_SDK_DIR}
 )

 target_link_libraries(firebase_app_uni
${TARGET_LINK_LIB_NAMES}
${FIREBASE_SYSTEM_DEPS}
 )

 if(ANDROID)
 target_link_options(firebase_app_uni
PRIVATE
"-llog"
"-Wl,-z,defs"
"-Wl,--no-undefined"
# Link against the static libc++, which is the default done by Gradle.
"-static-libstdc++"
# Set the max page size to 16KB, needed by Android 15
"-Wl,-z,max-page-size=16384"
 )
 add_custom_command(TARGET firebase_app_uni POST_BUILD
COMMAND"${ANDROID_STRIP}" -g -S -d --strip-debug
"lib${FIREBASE_APP_UNI_VERSIONED}.so"
COMMENT"Strip debug symbols done on final binary. lib${FIREBASE_APP_UNI_VERSIONED}.so")
 endif()

 unity_pack_native(firebase_app_uni)

 set_property(TARGET firebase_app_uni
 PROPERTY FOLDER
"Firebase ${FIREBASE_PLATFORM_NAME}"
 )

 if(ANDROID)
 build_firebase_aar(
 app
 app
 firebase_app_uni
 FIREBASE_CPP_APP_PROGUARD
 )
 endif()
endfunction()