From f7a4d052197eda9844c6a94eae81af88f7a7e381 Mon Sep 17 00:00:00 2001
From: Yakun Xu <xyk@google.com>
Date: Thu, 7 May 2020 08:46:13 +0800
Subject: [PATCH] [cmake] add project version (#4929)

* use an older version for better compatibility
* add version to project
* only use cpack when OpenThread is the top-level project
* exclude posix apps when BUILD_EXECUTABLES is OFF
* exclude all third_party
---
 CMakeLists.txt                               | 14 ++++++++++----
 examples/platforms/simulation/CMakeLists.txt | 12 +++++++-----
 src/posix/CMakeLists.txt                     | 10 ++++++----
 src/posix/daemon.cmake                       |  4 +++-
 src/posix/standalone.cmake                   |  4 +++-
 5 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b92a1bac..d304fc398 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,8 +26,13 @@
 #  POSSIBILITY OF SUCH DAMAGE.
 #
 
-cmake_minimum_required(VERSION 3.13.1)
-project(openthread)
+cmake_policy(SET CMP0048 NEW)
+cmake_minimum_required(VERSION 3.11.4)
+
+file(READ .default-version OT_DEFAULT_VERSION)
+string(STRIP ${OT_DEFAULT_VERSION} OT_DEFAULT_VERSION)
+
+project(openthread VERSION ${OT_DEFAULT_VERSION})
 
 option(OT_BUILD_EXECUTABLES "Build executables" ON)
 option(OT_COVERAGE "enable coverage" OFF)
@@ -61,7 +66,6 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "(Apple)?[Cc]lang")
     )
 endif()
 
-file(READ .default-version OT_DEFAULT_VERSION)
 execute_process(
     COMMAND bash "-c" "third_party/nlbuild-autotools/repo/scripts/mkversion -b ${OT_DEFAULT_VERSION}"
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
@@ -144,13 +148,15 @@ list(APPEND OT_PRIVATE_DEFINES ${OT_PLATFORM_DEFINES})
 if(OT_PLATFORM STREQUAL "posix")
     if(OT_BUILD_EXECUTABLES)
         add_subdirectory(src/posix)
+    else()
+        add_subdirectory(src/posix EXCLUDE_FROM_ALL)
     endif()
 elseif(NOT OT_PLATFORM MATCHES "none")
     add_subdirectory(examples)
 endif()
 
 add_subdirectory(src)
-add_subdirectory(third_party)
+add_subdirectory(third_party EXCLUDE_FROM_ALL)
 
 if(OT_PLATFORM STREQUAL "simulation")
     enable_testing()
diff --git a/examples/platforms/simulation/CMakeLists.txt b/examples/platforms/simulation/CMakeLists.txt
index 1fe76dde3..01d306ba6 100644
--- a/examples/platforms/simulation/CMakeLists.txt
+++ b/examples/platforms/simulation/CMakeLists.txt
@@ -98,8 +98,10 @@ target_include_directories(openthread-simulation PRIVATE
     ${PROJECT_SOURCE_DIR}/src/core
 )
 
-set(CPACK_PACKAGE_NAME "openthread-simulation")
-set(CPACK_GENERATOR "DEB")
-set(CPACK_DEBIAN_PACKAGE_MAINTAINER "OpenThread Authors <openthread-users@googlegroups.com")
-set(CPACK_PACKAGE_CONTACT "OpenThread Authors <openthread-users@googlegroups.com")
-include(CPack)
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+    set(CPACK_PACKAGE_NAME "openthread-simulation")
+    set(CPACK_GENERATOR "DEB")
+    set(CPACK_DEBIAN_PACKAGE_MAINTAINER "OpenThread Authors <openthread-users@googlegroups.com")
+    set(CPACK_PACKAGE_CONTACT "OpenThread Authors <openthread-users@googlegroups.com")
+    include(CPack)
+endif()
diff --git a/src/posix/CMakeLists.txt b/src/posix/CMakeLists.txt
index 2331e4725..a1e158185 100644
--- a/src/posix/CMakeLists.txt
+++ b/src/posix/CMakeLists.txt
@@ -47,7 +47,9 @@ else()
     include(standalone.cmake)
 endif()
 
-set(CPACK_GENERATOR "DEB")
-set(CPACK_DEBIAN_PACKAGE_MAINTAINER "OpenThread Authors <openthread-users@googlegroups.com")
-set(CPACK_PACKAGE_CONTACT "OpenThread Authors <openthread-users@googlegroups.com")
-include(CPack)
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+    set(CPACK_GENERATOR "DEB")
+    set(CPACK_DEBIAN_PACKAGE_MAINTAINER "OpenThread Authors <openthread-users@googlegroups.com")
+    set(CPACK_PACKAGE_CONTACT "OpenThread Authors <openthread-users@googlegroups.com")
+    include(CPack)
+endif()
diff --git a/src/posix/daemon.cmake b/src/posix/daemon.cmake
index 6da8bc217..396b1f867 100644
--- a/src/posix/daemon.cmake
+++ b/src/posix/daemon.cmake
@@ -89,4 +89,6 @@ install(TARGETS ot-daemon
 install(TARGETS ot-ctl
     DESTINATION bin)
 
-set(CPACK_PACKAGE_NAME "openthread-daemon")
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+    set(CPACK_PACKAGE_NAME "openthread-daemon")
+endif()
diff --git a/src/posix/standalone.cmake b/src/posix/standalone.cmake
index 92be0af8d..fc89ddd85 100644
--- a/src/posix/standalone.cmake
+++ b/src/posix/standalone.cmake
@@ -94,4 +94,6 @@ target_link_libraries(ot-ncp
 install(TARGETS ot-cli ot-ncp
     DESTINATION bin)
 
-set(CPACK_PACKAGE_NAME "openthread-standalone")
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+    set(CPACK_PACKAGE_NAME "openthread-standalone")
+endif()