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[CMake] Try to unbreak the C example build with older GCC versions

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by forcing the language version to be C99.
This commit is contained in:
Dan Liew 2017-10-25 11:13:25 +01:00
parent f27ac24fa0
commit de3700e1fd
1 changed files with 13 additions and 0 deletions
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13
examples/c/CMakeLists.txt
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@ -7,6 +7,19 @@
# the C++ standard library in resulting in a link failure. # the C++ standard library in resulting in a link failure.
project(Z3_C_EXAMPLE C CXX) project(Z3_C_EXAMPLE C CXX)
cmake_minimum_required(VERSION 2.8.12) cmake_minimum_required(VERSION 2.8.12)
# Set C version required to C99
if ("${CMAKE_VERSION}" VERSION_LESS "3.1")
if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR
("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ")
endif()
else()
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_EXTENSIONS OFF)
endif()
find_package(Z3 find_package(Z3
REQUIRED REQUIRED
CONFIG CONFIG