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author | Alexander Volkov <a.volkov@rusbitech.ru> | 2017-01-07 12:23:47 +0300 |
---|---|---|
committer | Thiago Macieira <thiago.macieira@intel.com> | 2017-03-20 21:56:01 +0000 |
commit | 8a3e8856e5606ec616d4420ff8c4f77969432390 (patch) | |
tree | efb7fcc2a0d63c27e510af67d9ffa7dfef1f2901 /qmake/doc/src/qmake-manual.qdoc | |
parent | b71b8ff28305318c72562c8a245cbcf55a043836 (diff) |
qmake: Add test functions for comparing version numbers
qmake really lacks version comparing functions:
users either use ugly constructions to compare versions
by components, such as
greaterThan(QT_CLANG_MAJOR_VERSION, 3)|greaterThan(QT_CLANG_MINOR_VERSION, 4):
or even incorrectly compare versions as strings:
!lessThan(apple_clang_ver, "5.1")|!lessThan(reg_clang_ver, "3.4"):
Add test functions versionAtLeast and versionAtMost which use
QVersionNumber to compare version numbers by components.
Change-Id: I65e6b3c296d0301d544b7e38bf3d44f8d555c7fc
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Diffstat (limited to 'qmake/doc/src/qmake-manual.qdoc')
-rw-r--r-- | qmake/doc/src/qmake-manual.qdoc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc index d8ab7d096d..ceb93fde2d 100644 --- a/qmake/doc/src/qmake-manual.qdoc +++ b/qmake/doc/src/qmake-manual.qdoc @@ -3514,6 +3514,20 @@ \snippet code/doc_src_qmake-manual.pro 169 + \section2 versionAtLeast(variablename, versionNumber) + + Tests that the version number from \c variablename is greater than or equal + to \c versionNumber. The version number is considered to be a sequence of + non-negative decimal numbers delimited by '.'; any non-numerical tail of + the string will be ignored. Comparison is performed segment-wise from left + to right; if one version is a prefix of the other, it is considered smaller. + + \section2 versionAtMost(variablename, versionNumber) + + Tests that the version number from \c variablename is less than or equal to + \c versionNumber. Works as + \l{versionAtLeast(variablename, versionNumber)}{versionAtLeast()}. + \section2 warning(string) Always succeeds, and displays \c string as a warning message to the user. |