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add build time dependency to static lib

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the header only fmt lib is used to show this
This commit is contained in:
ClausKlein 2021-02-10 22:33:08 +01:00
parent b58e0717f4
commit 88781d22ab
6 changed files with 62 additions and 19 deletions
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42
CMakeLists.txt
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@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
# Note: update this to your new project's name and version
project(
Greeter
VERSION 1.0
VERSION 1.1
LANGUAGES CXX
)
@ -18,6 +18,14 @@ if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
)
endif()
# ---- Project settings ----
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS NO)
endif()
# ---- Add dependencies via CPM ----
# see https://github.com/TheLartians/CPM.cmake for more info
@ -27,7 +35,18 @@ include(cmake/CPM.cmake)
CPMAddPackage(
NAME PackageProject.cmake
GITHUB_REPOSITORY TheLartians/PackageProject.cmake
VERSION 1.4
VERSION 1.4.1
)
# NOTE: If fmt is not imported, this is needed to prevent: CMake Error: install(EXPORT
# "GreeterTargets" ...) includes target "Greeter" which requires target "fmt" that is not in any
# export set. see too https://gitlab.kitware.com/cmake/cmake/-/issues/15415
set(FMT_VERSION 7.1.3)
CPMAddPackage(
NAME fmt
GIT_TAG ${FMT_VERSION}
GITHUB_REPOSITORY fmtlib/fmt
# XXX OPTION "FMT_INSTALL YES"
)
# ---- Add source files ----
@ -40,17 +59,20 @@ file(GLOB_RECURSE sources CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/
# ---- 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)
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->")
if(MSVC)
target_compile_options(Greeter PUBLIC /permissive)
endif()
# Link dependencies (if required) target_link_libraries(Greeter PUBLIC cxxopts)
# Link dependencies (if required)
target_link_libraries(Greeter PRIVATE $<BUILD_INTERFACE:fmt::fmt-header-only>)
# XXX target_link_libraries(Greeter PUBLIC fmt::fmt)
target_include_directories(
Greeter PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
@ -72,5 +94,5 @@ packageProject(
INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include
INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
VERSION_HEADER "${VERSION_HEADER_LOCATION}"
DEPENDENCIES ""
# XXX DEPENDENCIES "fmt ${FMT_VERSION}"
)