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pro2cmake: Set a project version for examples

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For example projects, change the generated project() call to
   project(foo VERSION 1.0 LANGUAGES CXX)

Some CMake API derives default values from the project version, and it's
generally advisable to set a project version number.

The version number is read from qmake's VERSION variable.  That's
actually a target version number, but it might be the right thing in
most cases.  Fall back to version 1.0 if VERSION is not set.

Task-number: QTBUG-96799
Change-Id: Ia0c551cf62621eb217e1dd541dcbd8945f78138e
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Joerg Bornemann 2022-02-25 13:04:35 +01:00
parent 2389aaf8c7
commit dece6f17e6
1 changed files with 2 additions and 1 deletions
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3
util/cmake/pro2cmake.py
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@ -3795,9 +3795,10 @@ def write_example(
"$$[QT_INSTALL_EXAMPLES]", "${INSTALL_EXAMPLESDIR}"
)
project_version = scope.get_string("VERSION", "1.0")
cm_fh.write(
f"cmake_minimum_required(VERSION {cmake_version_string})\n"
f"project({binary_name} LANGUAGES CXX)\n\n"
f"project({binary_name} VERSION {project_version} LANGUAGES CXX)\n\n"
"set(CMAKE_INCLUDE_CURRENT_DIR ON)\n\n"
"set(CMAKE_AUTOMOC ON)\n"
"set(CMAKE_AUTOUIC ON)\n\n"