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the toppest project includes root.pri is the root project
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,5 @@ | ||
| #Designed by Wang Bin(Lucas Wang). 2013 <[email protected]> | ||
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| ### ONLY FOR Qt4. common.pri must be included before it so that write_file() can be used####### | ||
| ### .qmake.cache MUST be created before it! | ||
| ####ASSUME compile tests and .qmake.cache is in project out root dir | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,5 @@ | ||
| #Designed by Wang Bin(Lucas Wang). 2013 <[email protected]> | ||
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| ##TODO: Why use function to add makefile target failed | ||
| # add a make command | ||
| defineReplace(mcmd) { | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,69 @@ | ||
| #Designed by Wang Bin(Lucas Wang). 2013 <[email protected]> | ||
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| #cache mkspecs. compare mkspec with cached one. if not equal, remove old cache to run new compile tests | ||
| #TODO: Qt5 does not have QMAKE_MKSPECS, use QMAKE_SPEC, QMAKE_XSPEC | ||
| mkspecs_build = $$[QMAKE_MKSPECS] | ||
| mkspecs_build ~= s,\\\\,/,g #avoid warning for '\'. qmake knows how to deal with '/' | ||
| !isEmpty(mkspecs_cached) { | ||
| !isEqual(mkspecs_cached, $$mkspecs_build):CONFIG += recheck | ||
| } else { | ||
| CONFIG += recheck | ||
| } | ||
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| ##TODO: BUILD_DIR=>BUILD_ROOT | ||
| #if not empty, it means the parent project may already set it | ||
| isEmpty(out_dir):out_dir = $$OUT_PWD | ||
| out_dir ~= s,\\\\,/,g #avoid warning for '\'. qmake knows how to deal with '/' | ||
| isEmpty(SOURCE_ROOT):SOURCE_ROOT = $$PWD | ||
| SOURCE_ROOT ~= s,\\\\,/,g #avoid warning for '\'. qmake knows how to deal with '/' | ||
| isEmpty(BUILD_DIR):BUILD_DIR=$$out_dir | ||
| message("BUILD_DIR=$$BUILD_DIR") | ||
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| greaterThan(QT_MAJOR_VERSION, 4) { | ||
| #recheck:write_file($$BUILD_DIR/.qmake.cache) #FIXME: empty_file result in no qtCompileTest result in cache | ||
| load(configure) | ||
| } else { | ||
| _QMAKE_CACHE_QT4_ = $$_QMAKE_CACHE_ | ||
| #_QMAKE_CACHE_QT4_ is built in and always not empty | ||
| isEmpty(_QMAKE_CACHE_QT4_)|isEqual(_QMAKE_CACHE_QT4_,) { | ||
| _QMAKE_CACHE_QT4_=$$BUILD_DIR/.qmake.cache | ||
| } | ||
| include(common.pri) | ||
| #recheck:write_file($$BUILD_DIR/.qmake.cache) #FIXME: empty_file result in no qtCompileTest result in cache | ||
| #use the following lines when building as a sub-project, write cache to this project src dir. | ||
| #if build this project alone and do not have sub-project depends on this lib, those lines are not necessary | ||
| ####ASSUME compile tests and .qmake.cache is in project out root dir | ||
| #vars in .qmake.cache will affect all projects in subdirs, even if qmake's working dir is not in .qmake.cache dir | ||
| #write_file($$BUILD_DIR/.qmake.cache) ##TODO: erase the existing lines!! | ||
| include(configure.prf) | ||
| #clear config.log iff reconfigure is required | ||
| write_file($$QMAKE_CONFIG_LOG) | ||
| #cache() is available after include configure.prf | ||
| #load(configure.prf) #what's the difference? | ||
| message("cache: $$_QMAKE_CACHE_QT4_") | ||
| } | ||
| cache(BUILD_DIR, set, BUILD_DIR) | ||
| #cache(BUILD_ROOT, set, BUILD_DIR) | ||
| cache(SOURCE_ROOT, set, SOURCE_ROOT) | ||
| cache(mkspecs_cached, set, mkspecs_build) | ||
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| #config.tests | ||
| isEmpty(EssentialDepends) { | ||
| for(d, EssentialDepends) { | ||
| !config_$$d { | ||
| CONFIG *= recheck | ||
| } | ||
| qtCompileTest($$d)|error("$$d is required, but compiler can not find it") | ||
| # CONFIG -= recheck | ||
| } | ||
| } | ||
| !isEmpty(OptionalDepends) { | ||
| message("checking for optional features...") | ||
| for(d, OptionalDepends) { | ||
| qtCompileTest($$d) | ||
| } | ||
| } | ||
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| !isEmpty(EssentialDepends)|!isEmpty(OptionalDepends) { | ||
| message("To recheck the dependencies, run qmake with argument 'CONFIG+=recheck'") | ||
| } |