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- cmake_minimum_required(VERSION 3.5)
- include(CheckCSourceCompiles)
- include(CheckFunctionExists)
- set(CMAKE_C_STANDARD 11)
- set(CMAKE_C_STANDARD_REQUIRED ON)
- add_definitions("-Wall -Werror -Wextra -Wno-unused-parameter
- -D_GNU_SOURCE -mfp16-format=alternative")
- macro(c_attribute_required attrname code)
- if (NOT DEFINED ATTRIBUTE_${attrname}_SUPPORT OR
- NOT ATTRIBUTE_${attrname}_SUPPORT)
- message(STATUS "Checking if compiler supports __attribute__((${attrname}))")
- check_c_source_compiles("${code}" ATTRIBUTE_${attrname}_SUPPORT)
- if (NOT ATTRIBUTE_${attrname}_SUPPORT)
- message(FATAL_ERROR "Compiler must support __attribute__((${attrname}))")
- endif()
- endif()
- endmacro()
- macro(c_function_required f)
- if(NOT DEFINED FUNCTION_${f}_SUPPORT)
- message(STATUS "Checking if compiler supports ${f}")
- check_function_exists("${f}" FUNCTION_${f}_SUPPORT)
- if(NOT FUNCTION_${f}_SUPPORT)
- message(FATAL_ERROR "libc must support ${f}")
- endif()
- endif()
- endmacro()
- c_attribute_required(packed "struct s { int a; } __attribute__((packed)); main;")
- c_attribute_required(constructor "void __attribute__((constructor)) f(){}main;")
- c_attribute_required(format
- "void __attribute__((format (printf, 1, 2))) f(const char *, ...);main;")
- c_function_required(asprintf)
- include_directories("include")
- add_subdirectory(src)
- add_subdirectory(panwrap)
- # vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab :
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