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Fix and simplify cmake package config #596

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merged 10 commits into from
Sep 3, 2024
Merged

Fix and simplify cmake package config #596

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4bda1ab
Simplify and fix installed cmake package config
bjsowa Aug 15, 2024
ef79d81
Add comment about zenohpicoTargets.cmake
bjsowa Aug 15, 2024
cd30a60
Fix target name for included project
bjsowa Aug 15, 2024
3353376
Use find_dependency instead of find_package
bjsowa Aug 15, 2024
9a9f05a
Merge remote-tracking branch 'eclipse/main' into fix-cmake-package-co…
bjsowa Aug 30, 2024
a447578
keep feature defines in PackageConfig.cmake.in
DenisBiryukov91 Sep 2, 2024
1bba5e6
add zenohpico::lib alias
DenisBiryukov91 Sep 2, 2024
09fbdfc
Merge pull request #1 from DenisBiryukov91/keep_feature_defines_in_cm…
bjsowa Sep 2, 2024
d4a3c15
Move library alias definition outside function
bjsowa Sep 2, 2024
98bb7aa
Use zenohpico::lib target when building examples as root project
bjsowa Sep 2, 2024
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18 changes: 12 additions & 6 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -108,11 +108,7 @@ else()
endif()

set(Libname "zenohpico")
if(BUILD_SHARED_LIBS)
add_library(${Libname} SHARED)
else()
add_library(${Libname} STATIC)
endif()
add_library(${Libname})

function(add_definition value)
add_definitions(-D${value})
Expand Down Expand Up @@ -268,7 +264,10 @@ file(GLOB_RECURSE PublicHeaders
"include/zenoh-pico/utils/*.h"
"include/zenoh-pico/config.h"
)
target_include_directories(${Libname} PUBLIC ${PROJECT_SOURCE_DIR}/include)
target_include_directories(${Libname}
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
Comment on lines +268 to +271
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The included directory is different for installed target


file(GLOB_RECURSE Sources
"src/api/*.c"
Expand Down Expand Up @@ -334,6 +333,7 @@ message(STATUS "Build tests: ${BUILD_TESTING}")
message(STATUS "Build integration: ${BUILD_INTEGRATION}")

install(TARGETS ${Libname}
EXPORT zenohpicoTargets
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
COMPONENT Library
Expand Down Expand Up @@ -372,6 +372,12 @@ install(
CONFIGURATIONS ${configurations}
COMPONENT dev)

# Generate <Package>Targets.cmake
install(
EXPORT zenohpicoTargets
NAMESPACE zenohpico::
DESTINATION "${CMAKE_INSTALL_CMAKEDIR}")

if(UNIX)
configure_file("${CMAKE_SOURCE_DIR}/zenohpico.pc.in" "${CMAKE_SOURCE_DIR}/zenohpico.pc" @ONLY)
install(FILES "${CMAKE_SOURCE_DIR}/zenohpico.pc" CONFIGURATIONS Release RelWithDebInfo DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
Expand Down
69 changes: 4 additions & 65 deletions PackageConfig.cmake.in
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Original file line number Diff line number Diff line change
@@ -1,68 +1,7 @@
#
# Copyright (c) 2023 ZettaScale Technology.
#
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
# which is available at https://www.apache.org/licenses/LICENSE-2.0.
#
# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
#
# Contributors:
# ZettaScale Zenoh team, <[email protected]>
#
include(CMakeFindDependencyMacro)

@PACKAGE_INIT@

set(ZENOHPICO_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)
set(CMAKE_SYSTEM_NAME @CMAKE_SYSTEM_NAME@)

set(ZENOHPICO_FEATURE_UNSTABLE_API @Z_FEATURE_UNSTABLE_API@)
set(ZENOHPICO_FEATURE_MULTI_THREAD @Z_FEATURE_MULTI_THREAD@)
set(ZENOHPICO_FEATURE_PUBLICATION @Z_FEATURE_PUBLICATION@)
set(ZENOHPICO_FEATURE_SUBSCRIPTION @Z_FEATURE_SUBSCRIPTION@)
set(ZENOHPICO_FEATURE_QUERY @Z_FEATURE_QUERY@)
set(ZENOHPICO_FEATURE_QUERYABLE @Z_FEATURE_QUERYABLE@)
set(ZENOHPICO_FEATURE_RAWETH_TRANSPORT @Z_FEATURE_RAWETH_TRANSPORT@)
set(ZENOHPICO_FEATURE_INTEREST @Z_FEATURE_INTEREST@)

if(ZENOHPICO_BUILD_SHARED_LIBS)
if (NOT TARGET __zenohpico_lib)
add_library(__zenohpico_lib SHARED IMPORTED GLOBAL)
add_library(zenohpico::lib ALIAS __zenohpico_lib)
set_target_properties(__zenohpico_lib PROPERTIES IMPORTED_NO_SONAME TRUE)
set_property(TARGET __zenohpico_lib PROPERTY IMPORTED_LOCATION "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/@LIBNAME@")
if(NOT ("@IMPLIB@" STREQUAL ""))
set_property(TARGET __zenohpico_lib PROPERTY IMPORTED_IMPLIB "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/@IMPLIB@")
endif()
target_include_directories(__zenohpico_lib INTERFACE "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@")
endif()
else()
if (NOT TARGET __zenohpico_static)
add_library(__zenohpico_static STATIC IMPORTED GLOBAL)
add_library(zenohpico::lib ALIAS __zenohpico_static)
set_property(TARGET __zenohpico_static PROPERTY IMPORTED_LOCATION "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/@LIBNAME@")
target_include_directories(__zenohpico_static INTERFACE "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@")
endif()
endif()

if(CMAKE_SYSTEM_NAME MATCHES "Linux")
add_compile_definitions(ZENOH_LINUX)
elseif(POSIX_COMPATIBLE)
add_compile_definitions(ZENOH_LINUX)
elseif(CMAKE_SYSTEM_NAME MATCHES "BSD")
add_compile_definitions(ZENOH_BSD)
elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
add_compile_definitions(ZENOH_MACOS)
elseif(CMAKE_SYSTEM_NAME MATCHES "Emscripten")
add_compile_definitions(EMSCRIPTEN)
elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
add_compile_definitions(ZENOH_WINDOWS)
elseif(CMAKE_SYSTEM_NAME MATCHES "Generic")
if(WITH_ZEPHYR)
add_compile_definitions(ZENOH_ZEPHYR)
elseif(WITH_FREERTOS_PLUS_TCP)
add_compile_definitions(ZENOH_FREERTOS_PLUS_TCP)
endif()
if(@CHECK_THREADS@)
find_dependency(Threads REQUIRED)
endif()

include("${CMAKE_CURRENT_LIST_DIR}/zenohpicoTargets.cmake")
2 changes: 1 addition & 1 deletion examples/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
project(zenohpico_examples LANGUAGES C)
include(../cmake/helpers.cmake)
set_default_build_type(Release)
configure_include_project(ZENOHPICO zenohpico zenohpico::static ".." zenohpico "https://github.com/eclipse-zenoh/zenoh-pico" "")
configure_include_project(ZENOHPICO zenohpico zenohpico ".." zenohpico "https://github.com/eclipse-zenoh/zenoh-pico" "")
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This actually fixes the build if building the examples as the root project. When including the project using add_subdirectory or FetchContent the library target will be named zenohpico.
The only small problem is that the target name for a find_packaged library will be zenohpico::zenohpico and this macro does not take the target namespace into account.

add_custom_target(examples ALL)
else()
message(STATUS "zenoh-pico examples")
Expand Down
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