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[CMake] Try to unbreak the C example build with older GCC versions
by forcing the language version to be C99.
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@ -7,6 +7,19 @@
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# the C++ standard library in resulting in a link failure.
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project(Z3_C_EXAMPLE C CXX)
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cmake_minimum_required(VERSION 2.8.12)
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# Set C version required to C99
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if ("${CMAKE_VERSION}" VERSION_LESS "3.1")
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if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR
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("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ")
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endif()
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else()
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_C_STANDARD 99)
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set(CMAKE_C_EXTENSIONS OFF)
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endif()
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find_package(Z3
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REQUIRED
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CONFIG
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