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fix: support basic dual includes (#2804)

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This commit is contained in:
Henry Schreiner
2021-01-19 18:49:03 -05:00
committed by GitHub
parent eb83feefff
commit 130c99544d
5 changed files with 31 additions and 19 deletions
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37
CMakeLists.txt
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@@ -45,8 +45,13 @@ if(NOT pybind11_FIND_QUIETLY)
message(STATUS "pybind11 v${pybind11_VERSION} ${pybind11_VERSION_TYPE}")
endif()
# Avoid infinite recursion if tests include this as a subdirectory
if(DEFINED PYBIND11_MASTER_PROJECT)
set(PYBIND11_TEST OFF)
endif()
# Check if pybind11 is being used directly or via add_subdirectory
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR AND NOT DEFINED PYBIND11_MASTER_PROJECT)
### Warn if not an out-of-source builds
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
set(lines
@@ -161,12 +166,24 @@ endif()
# You can also place ifs *in* the Config.in, but not here.
# This section builds targets, but does *not* touch Python
# Non-IMPORT targets cannot be defined twice
if(NOT TARGET pybind11_headers)
# Build the headers-only target (no Python included):
# (long name used here to keep this from clashing in subdirectory mode)
add_library(pybind11_headers INTERFACE)
add_library(pybind11::pybind11_headers ALIAS pybind11_headers) # to match exported target
add_library(pybind11::headers ALIAS pybind11_headers) # easier to use/remember
# Build the headers-only target (no Python included):
# (long name used here to keep this from clashing in subdirectory mode)
add_library(pybind11_headers INTERFACE)
add_library(pybind11::pybind11_headers ALIAS pybind11_headers) # to match exported target
add_library(pybind11::headers ALIAS pybind11_headers) # easier to use/remember
target_include_directories(
pybind11_headers ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${pybind11_INCLUDE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_features(pybind11_headers INTERFACE cxx_inheriting_constructors cxx_user_literals
cxx_right_angle_brackets)
else()
# It is invalid to install a target twice, too.
set(PYBIND11_INSTALL OFF)
endif()
include("${CMAKE_CURRENT_SOURCE_DIR}/tools/pybind11Common.cmake")
@@ -177,14 +194,6 @@ elseif(USE_PYTHON_INCLUDE_DIR AND DEFINED PYTHON_INCLUDE_DIR)
file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
endif()
# Fill in headers target
target_include_directories(
pybind11_headers ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${pybind11_INCLUDE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_features(pybind11_headers INTERFACE cxx_inheriting_constructors cxx_user_literals
cxx_right_angle_brackets)
if(PYBIND11_INSTALL)
install(DIRECTORY ${pybind11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
set(PYBIND11_CMAKECONFIG_INSTALL_DIR