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CMake: Fix out of sync iOS/macOS deployment target

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The minimal sample doesn't have an implicit deployment target set, while
the library does through CMakeLists.txt in root. This can result in iOS
link errors when not explicitly setting CMAKE_OSX_DEPLOYMENT_TARGET as
the sample will then use a target OS with an architecture that may not
be present in the library with its current target OS version.

Fix by copying the part setting CMAKE_OSX_DEPLOYMENT_TARGET in the
library to the minimal sample as well. Both parts should be kept in sync
but that still seemed preferable to additionally polluting an example
file for CMake usage with a dependency by introducing a common include
file.
This commit is contained in:
Dimitri Schoolwerth 2021-01-08 13:02:30 +01:00
parent 161ecbf01d
commit 086ad7bc9a
2 changed files with 12 additions and 0 deletions
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2
CMakeLists.txt
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@ -26,6 +26,8 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release")
endif()
# This block, particularly the versions used, should be kept in sync with
# samples/minimal/CMakeLists.txt.
if(APPLE AND NOT CMAKE_OSX_DEPLOYMENT_TARGET)
# If no deployment target has been set default to the minimum supported
# OS version (this has to be set before the first project() call)

10
samples/minimal/CMakeLists.txt
View File

@ -16,6 +16,16 @@
# Declare the minimum required CMake version
cmake_minimum_required(VERSION 2.8.12)
if(APPLE AND NOT CMAKE_OSX_DEPLOYMENT_TARGET)
# If no deployment target has been set default to the minimum supported
# OS version (this has to be set before the first project() call)
if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
set(CMAKE_OSX_DEPLOYMENT_TARGET 12.0 CACHE STRING "iOS Deployment Target")
else()
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.10 CACHE STRING "macOS Deployment Target")
endif()
endif()
# Name the project
project(minimal)