mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
Gil
9f7301aca6
This option doesn't work with C++, and even though the clang compiler ignores it, clangd does not, and this causes syntax highlighting failures in CLion.
144 lines
3.8 KiB
CMake
144 lines
3.8 KiB
CMake
# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# C++ Compiler setup
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# We use C++11
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CXX_CLANG ON)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set(CXX_GNU ON)
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endif()
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if(CMAKE_GENERATOR STREQUAL "Ninja")
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set(NINJA ON)
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endif()
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if(CXX_CLANG OR CXX_GNU)
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set(
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common_flags
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-Wall -Wextra -Werror
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# Be super pedantic about format strings
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-Wformat
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# Avoid use of uninitialized values
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-Wuninitialized
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-fno-common
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# Delete unused things
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-Wunused-function -Wunused-value -Wunused-variable
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)
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set(
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cxx_flags
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-Wreorder -Werror=reorder
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)
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set(
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c_flags
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-Wstrict-prototypes
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)
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if(CXX_CLANG)
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list(
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APPEND common_flags
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-Wconditional-uninitialized -Werror=return-type -Winfinite-recursion -Wmove
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-Wrange-loop-analysis -Wunreachable-code
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# Options added to match apple recommended project settings
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# TODO(wilhuff): re-enable -Wcomma once Abseil fixes the definition of
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# ABSL_ASSERT upstream
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-Wno-comma
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)
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endif()
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if(NINJA)
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# If building under Ninja, disable tty detection and force color output
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if(CXX_CLANG OR CXX_GNU)
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list(APPEND common_flags -fdiagnostics-color)
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endif()
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endif()
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endif()
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if(APPLE)
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# CMake has no special support for Objective-C as a distinct language but
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# enabling modules and other clang extensions would apply even to regular C++
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# sources which is nonportable. Keep these flags separate to avoid misuse.
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set(
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FIREBASE_IOS_OBJC_FLAGS
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-fobjc-arc
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-fno-autolink
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)
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set(
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FIREBASE_IOS_OBJC_FLAGS_STRICT
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${FIREBASE_IOS_OBJC_FLAGS}
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-Werror=deprecated-objc-isa-usage
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-Werror=non-modular-include-in-framework-module
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-Werror=objc-root-class
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-Wblock-capture-autoreleasing
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-Wimplicit-atomic-properties
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-Wnon-modular-include-in-framework-module
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)
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endif()
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if(MSVC)
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set(
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common_flags
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# Cut down on symbol cruft in windows.h
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/DWIN32_LEAN_AND_MEAN=1
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/DNOMINMAX=1
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# Specify at least Windows Vista/Server 2008 (required by gRPC)
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/D_WIN32_WINNT=0x600
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# Disable warnings that can't be easily addressed or are ignored by
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# upstream projects.
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# unary minus operator applied to unsigned type, result still unsigned
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/wd4146
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# character cannot be represented in the current code page
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/wd4566
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)
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endif()
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foreach(flag ${common_flags} ${c_flags})
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list(APPEND FIREBASE_IOS_C_FLAGS_STRICT ${flag})
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endforeach()
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foreach(flag ${common_flags} ${cxx_flags})
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list(APPEND FIREBASE_IOS_CXX_FLAGS_STRICT ${flag})
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endforeach()
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if(APPLE)
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# When building on Apple platforms, ranlib complains about "file has no
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# symbols". Unfortunately, most of our dependencies implement their
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# cross-platform build with preprocessor symbols so translation units that
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# don't target the current platform end up empty (and trigger this warning).
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set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
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set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
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endif()
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