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xo-randomgen: streamline build using improved xo-cmake macros

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This commit is contained in:
Roland Conybeare 2024-04-29 23:17:36 -05:00
commit 45cc28b4f8
2 changed files with 35 additions and 37 deletions
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41
CMakeLists.txt
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@ -3,22 +3,19 @@
cmake_minimum_required(VERSION 3.10)
project(randomgen VERSION 0.1)
enable_language(CXX)
include(GNUInstallDirs)
include(cmake/xo-bootstrap-macros.cmake)
# ----------------------------------------------------------------
# unit test setup
xo_cxx_toplevel_options2()
enable_testing()
# activate code coverage for all executables + libraries (when configured with -DCODE_COVERAGE=ON)
add_code_coverage()
# 1. assuming that /nix/store/ prefixes .hpp files belonging to gcc, catch2 etc.
# we're not interested in code coverage for these sources.
# 2. exclude the utest/ subdir, we don't need coverage on the unit tests themselves;
# rather, want coverage on the code that the unit tests exercise.
#
add_code_coverage_all_targets(EXCLUDE /nix/store/* utest/*)
# ----------------------------------------------------------------
# cmake -DCMAKE_BUILD_TYPE=debug
xo_toplevel_debug_config2()
# ----------------------------------------------------------------
# cmake -DCMAKE_BUILD_TYPE=coverage
xo_toplevel_coverage_config2()
# ----------------------------------------------------------------
# bespoke (usually temporary) c++ settings
@ -27,19 +24,6 @@ set(PROJECT_CXX_FLAGS "")
#set(PROJECT_CXX_FLAGS "-fconcepts-diagnostics-depth=2")
add_definitions(${PROJECT_CXX_FLAGS})
# ----------------------------------------------------------------
# common include paths etc.
xo_toplevel_compile_options()
# ----------------------------------------------------------------
# external dependencies
#
# set CMAKE_INSTALL_PREFIX to analog of /usr
# to use .cmake assistants from /usr/lib/cmake/indentlog
#
# xo_dependency(..)
# ----------------------------------------------------------------
add_subdirectory(example)
@ -50,14 +34,7 @@ add_subdirectory(example)
set(SELF_LIB randomgen)
xo_add_headeronly_library(${SELF_LIB})
#add_library(${SELF_LIB} INTERFACE)
#xo_include_headeronly_options2(${SELF_LIB})
# ----------------------------------------------------------------
# standard install + provide find_package() support
xo_install_library4(${SELF_LIB} ${PROJECT_NAME}Targets)
#xo_install_include_tree()
xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
# ----------------------------------------------------------------

33
cmake/xo-bootstrap-macros.cmake
View file

@ -1,14 +1,35 @@
if (("${CMAKE_MODULE_PATH}" STREQUAL "") OR ("${CMAKE_MODULE_PATH}" STREQUAL "prefix"))
# default to typical install location for xo-project-macros
set(CMAKE_MODULE_PATH ${CMAKE_INSTALL_PREFIX}/share/cmake)
# ----------------------------------------------------------------
# for example:
# $ PREFIX=/usr/local
# $ cmake -DCMAKE_MODULE_PATH=prefix -DCMAKE_INSTALL_PREFIX=$PREFIX -B .build
#
# will get
# CMAKE_MODULE_PATH
# from xo-cmake-config --cmake-module-path
#
# and expect .cmake macros in
# CMAKE_MODULE_PATH/xo_macros/xo_cxx.cmake
# ----------------------------------------------------------------
find_program(XO_CMAKE_CONFIG_EXECUTABLE NAMES xo-cmake-config REQUIRED)
if ("${XO_CMAKE_CONFIG_EXECUTABLE}" STREQUAL "XO_CMAKE_CONFIG_EXECUTABLE-NOT_FOUND")
message(FATAL "could not find xo-cmake-config executable")
endif()
message(STATUS "XO_CMAKE_CONFIG_EXECUTABLE=${XO_CMAKE_CONFIG_EXECUTABLE}")
if (NOT XO_SUBMODULE_BUILD)
message("-- CMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}")
message("-- CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}")
if (("${CMAKE_MODULE_PATH}" STREQUAL "") OR ("${CMAKE_MODULE_PATH}" STREQUAL prefix))
# default to typical install location for xo-project-macros
execute_process(COMMAND ${XO_CMAKE_CONFIG_EXECUTABLE} --cmake-module-path OUTPUT_VARIABLE CMAKE_MODULE_PATH)
message(STATUS "CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}")
endif()
endif()
# needs to have been installed somewhere on CMAKE_MODULE_PATH,
# (e.g. from xo-cmake with the same value for CMAKE_INSTALL_PREFIX)
#
include(xo_macros/xo-project-macros)
include(xo_macros/xo_cxx)
xo_cxx_bootstrap_message()