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Update CMake list file 

Minimum required CMake version is now 3.16.
This commit is contained in:
Joergen Ibsen 2022-02-03 09:29:14 +01:00
parent 7176ebe305
commit 49870534ba
1 changed files with 32 additions and 15 deletions
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47
CMakeLists.txt
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@ -1,34 +1,51 @@
cmake_minimum_required(VERSION 3.0)
cmake_minimum_required(VERSION 3.16)
project(tinf C)
include(CheckCCompilerFlag)
include(CTest)
# Check if tinf is the top-level project (standalone), or a subproject
set(tinf_standalone FALSE)
get_directory_property(tinf_parent_directory PARENT_DIRECTORY)
if(tinf_parent_directory STREQUAL "")
set(tinf_standalone TRUE)
set(_tinf_standalone FALSE)
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(_tinf_standalone TRUE)
endif()
unset(tinf_parent_directory)
# TINF_BUILD_TESTING controls if tinf adds testing support
#
# When built standalone, it defaults to the value of BUILD_TESTING if set.
# An optional prefix for the test names can be set with TINF_TEST_PREFIX.
set(tinf_testing_default ON)
if(tinf_standalone)
set(_tinf_testing_default ON)
if(_tinf_standalone)
if(DEFINED BUILD_TESTING)
set(tinf_testing_default ${BUILD_TESTING})
set(_tinf_testing_default ${BUILD_TESTING})
endif()
else()
set(tinf_testing_default OFF)
set(_tinf_testing_default OFF)
endif()
option(TINF_BUILD_TESTING "Add testing support" ${tinf_testing_default})
unset(tinf_testing_default)
option(TINF_BUILD_TESTING "Add testing support" ${_tinf_testing_default})
unset(_tinf_testing_default)
mark_as_advanced(TINF_TEST_PREFIX)
# Take a list of compiler flags and add those which the compiler accepts to
# the COMPILE_OPTIONS directory property
function(add_valid_c_compile_options)
foreach(flag IN LISTS ARGN)
string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" flag_var "CFLAG_${flag}")
check_c_compiler_flag("${flag}" ${flag_var})
if(${flag_var})
add_compile_options("${flag}")
endif()
endforeach()
endfunction()
if(MSVC)
add_valid_c_compile_options(/W3)
else()
add_valid_c_compile_options(-Wall -Wextra -pedantic)
endif()
#
# tinf
#
@ -40,13 +57,13 @@ add_library(tinf
src/tinfzlib.c
src/tinf.h
)
target_include_directories(tinf PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
target_include_directories(tinf PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/src>)
#
# tgunzip
#
add_executable(tgunzip examples/tgunzip/tgunzip.c)
target_link_libraries(tgunzip tinf)
target_link_libraries(tgunzip PRIVATE tinf)
if(MSVC)
target_compile_definitions(tgunzip PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()
@ -56,7 +73,7 @@ endif()
#
if(TINF_BUILD_TESTING)
add_executable(test_tinf test/test_tinf.c)
target_link_libraries(test_tinf tinf)
target_link_libraries(test_tinf PRIVATE tinf)
if(MSVC)
target_compile_definitions(test_tinf PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()