GSL/CMakeLists.txt
jpr89 84aeb59f26
Fixing cmake developer warning (#972)
Here is the warning currently being produced:

CMake Warning (dev) at C:/Program Files/CMake/share/cmake-3.19/Modules/GNUInstallDirs.cmake:223 (message):
  Unable to determine default CMAKE_INSTALL_LIBDIR directory because no
  target architecture is known.  Please enable at least one language before
  including GNUInstallDirs.
Call Stack (most recent call first):
  cmake/guidelineSupportLibrary.cmake:20 (include)
  CMakeLists.txt:4 (include)
This warning is for project developers.  Use -Wno-dev to suppress it.

I noted how I fixed the error. This is caused by GNUInstallDirs automatically executing code just by including it.

I also added -Werror=dev to the CI to ensure this never happens again.

Co-authored-by: Juan Ramos <juanr0911@gmail.com>
2021-01-19 13:41:25 -08:00

62 lines
1.7 KiB
CMake

cmake_minimum_required(VERSION 3.1.3...3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
include(guidelineSupportLibrary)
project(GSL
VERSION 3.1.0
LANGUAGES CXX
)
# Must include after the project call due to GNUInstallDirs requiring a language be enabled (IE. CXX)
include(GNUInstallDirs)
# Creates a library GSL which is an interface (header files only)
add_library(GSL INTERFACE)
# NOTE: If you want to use GSL prefer to link against GSL using this alias target
# EX:
# target_link_libraries(foobar PRIVATE Microsoft.GSL::GSL)
#
# Add Microsoft.GSL::GSL alias for GSL so that dependents can be agnostic about
# whether GSL was added via `add_subdirectory` or `find_package`
add_library(Microsoft.GSL::GSL ALIAS GSL)
# Determine whether this is a standalone project or included by other projects
set(GSL_STANDALONE_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(GSL_STANDALONE_PROJECT ON)
endif()
### Project options
option(GSL_INSTALL "Generate and install GSL target" ${GSL_STANDALONE_PROJECT})
option(GSL_TEST "Build and perform GSL tests" ${GSL_STANDALONE_PROJECT})
# This GSL implementation generally assumes a platform that implements C++14 support.
set(gsl_min_cxx_standard "14")
if (GSL_STANDALONE_PROJECT)
gsl_set_default_cxx_standard(${gsl_min_cxx_standard})
else()
gsl_client_set_cxx_standard(${gsl_min_cxx_standard})
endif()
# Setup include directory
add_subdirectory(include)
# Add natvis file
gsl_add_native_visualizer_support()
# Add packaging support
gsl_create_packaging_file()
if (GSL_INSTALL)
# Setup install/export logic
gsl_install_logic()
endif()
if (GSL_TEST)
enable_testing()
add_subdirectory(tests)
endif()