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modernize the cmake files a bit

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try to use a namespace for cmake config package
This commit is contained in:
ClausKlein 2021-02-05 02:18:00 +01:00
parent ed4ff7833a
commit bf9cb6c214
9 changed files with 83 additions and 38 deletions
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42
CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
cmake_minimum_required(VERSION 3.14...3.19 FATAL_ERROR)
# ---- Project ----
@ -18,6 +18,12 @@ if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
)
endif()
# ---- Project settings ----
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS NO)
# ---- Add dependencies via CPM ----
# see https://github.com/TheLartians/CPM.cmake for more info
@ -27,30 +33,41 @@ include(cmake/CPM.cmake)
CPMAddPackage(
NAME PackageProject.cmake
GITHUB_REPOSITORY TheLartians/PackageProject.cmake
VERSION 1.3
VERSION 1.4
)
find_package(fmt)
if(NOT TARGET fmt::fmt)
# FIXME this add a target without namespace! CK
CPMAddPackage(
NAME fmt
GIT_TAG 7.1.3
GITHUB_REPOSITORY fmtlib/fmt
)
endif()
# ---- Add source files ----
# Note: globbing sources is considered bad practice as CMake's generators may not detect new files
# automatically. Keep that in mind when changing files, or explicitly mention them here.
file(GLOB_RECURSE headers CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.h")
file(GLOB_RECURSE sources CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp")
file(GLOB_RECURSE headers CONFIGURE_DEPENDS "include/*.h")
file(GLOB_RECURSE sources CONFIGURE_DEPENDS "source/*.cpp")
# ---- Create library ----
# Note: for header-only libraries change all PUBLIC flags to INTERFACE and create an interface
# target: add_library(Greeter INTERFACE) set_target_properties(Greeter PROPERTIES
# INTERFACE_COMPILE_FEATURES cxx_std_17)
# target:
add_library(Greeter)
add_library(${PROJECT_NAME}::Greeter ALIAS Greeter)
target_compile_features(Greeter PUBLIC cxx_std_17)
add_library(Greeter ${headers} ${sources})
set_target_properties(Greeter PROPERTIES CXX_STANDARD 17)
target_sources(Greeter PRIVATE ${headers} ${sources})
# being a cross-platform target, we enforce standards conformance on MSVC
target_compile_options(Greeter PUBLIC "$<$<BOOL:${MSVC}>:/permissive->")
# Link dependencies (if required) target_link_libraries(Greeter PUBLIC cxxopts)
# Link dependencies (if required)
target_link_libraries(Greeter PRIVATE fmt::fmt)
target_include_directories(
Greeter PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
@ -71,5 +88,8 @@ packageProject(
INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include
INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
VERSION_HEADER "${VERSION_HEADER_LOCATION}"
DEPENDENCIES ""
# semicolon separated list of the project's dependencies
DEPENDENCIES fmt
# install your library with a namespace! (do NOT add extra '::')
NAMESPACE ${PROJECT_NAME}
)