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xo-cmake: + xo_include_options2()

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This commit is contained in:
Roland Conybeare 2023-09-27 12:01:27 -04:00
commit bd3f396933
1 changed files with 41 additions and 2 deletions
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43
cmake/xo_cxx.cmake
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@ -1,10 +1,49 @@
set(XO_STANDARD_COMPILE_OPTIONS -Werror -Wall -Wextra)
set(XO_COMPILE_OPTIONS ${XO_STANDARD_COMPILE_OPTIONS})
macro(xo_copmile_options target)
# ----------------------------------------------------------------
# use this in subdirs that compile c++ code
#
macro(xo_include_options2 target)
# ----------------------------------------------------------------
# PROJECT_SOURCE_DIR:
# so we can for example write
# #include "ordinaltree/foo.hpp"
# from anywhere in the project
# PROJECT_BINARY_DIR:
# since generated version file will be in build directory,
# need that build directory to also appear in
# compiler's include path
#
target_include_directories(
${target} PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> # e.g. for #include "indentlog/scope.hpp"
$<INSTALL_INTERFACE:include>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include/${target}> # e.g. for #include "Refcounted.hpp" in refcnt/src
$<INSTALL_INTERFACE:include/${target}>
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}> # e.g. for generated .hpp files
)
# ----------------------------------------------------------------
# make standard directories for std:: includes explicit
# so that
# (1) they appear in compile_commands.json.
# (2) clangd (run from emacs lsp-mode) can find them
#
if(CMAKE_EXPORT_COMPILE_COMMANDS)
set(CMAKE_CXX_STANDARD_INCLUDE_DIRECTORIES ${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES})
endif()
endmacro()
# ----------------------------------------------------------------
#
macro(xo_compile_options target)
target_copmile_options(${target} PRIVATE ${XO_COMPILE_OPTIONS})
endmacro()
# ----------------------------------------------------------------
#
# dependency on an xo library (including header-only libraries)
# e.g. indentlog
#
@ -18,6 +57,6 @@ endmacro()
# dep: name of required dependency, e.g. indentlog
#
macro(xo_internal_dependency target dep)
find_pacakge(${dep} CONFIG REQUIRED)
find_package(${dep} CONFIG REQUIRED)
target_link_libraries(${target} PUBLIC ${dep})
endmacro()