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06ed82677a
Fixes this problem, when building apps in QtCreator:
...(compile output window)
g++ -Wl,-rpath,/nix/store/1w7h7p6s2srfw2ady90k7072991lrnpp-qtbase-5.4.2/lib \
-o qt-test3 main.o mainwindow.o moc_mainwindow.o \
-L/nix/store/1w7h7p6s2srfw2ady90k7072991lrnpp-qtbase-5.4.2/lib \
-lQt5Widgets -lQt5Gui -lQt5Core -lGL -lpthread
/nix/store/b8qhjrwf8sf9ggkjxqqav7f1m6w83bh0-binutils-2.23.1/bin/ld: cannot find -lGL
collect2: error: ld returned 1 exit status
mesa is already in the closure of Qt, so there is no size increase.
The patch is copied into both qt-5.3 and qt-5.4 directories, like other
patches are.
Note that programs still can _run_ against a different libGL (e.g. one
provided by nvidia) by configuring the dynamic linker. For instance,
NixOS sets the LD_LIBRARY_PATH environment variable to
/run/opengl-driver/lib/, meaning that whatever libGL is found there
will be used instead of the default (mesa).
16 lines
743 B
Diff
16 lines
743 B
Diff
Ensure Qt knows where libGL is.
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Author: Bjørn Forsman <bjorn.forsman@gmail.com>
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diff -uNr qt-everywhere-opensource-src-5.3.2.orig/qtbase/mkspecs/common/linux.conf qt-everywhere-opensource-src-5.3.2/qtbase/mkspecs/common/linux.conf
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--- qt-everywhere-opensource-src-5.3.2.orig/qtbase/mkspecs/common/linux.conf 2014-09-11 12:48:07.000000000 +0200
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+++ qt-everywhere-opensource-src-5.3.2/qtbase/mkspecs/common/linux.conf 2015-08-23 13:03:30.617473019 +0200
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@@ -13,7 +13,7 @@
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QMAKE_INCDIR_X11 =
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QMAKE_LIBDIR_X11 =
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QMAKE_INCDIR_OPENGL =
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-QMAKE_LIBDIR_OPENGL =
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+QMAKE_LIBDIR_OPENGL = @mesa@/lib
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QMAKE_INCDIR_OPENGL_ES2 = $$QMAKE_INCDIR_OPENGL
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QMAKE_LIBDIR_OPENGL_ES2 = $$QMAKE_LIBDIR_OPENGL
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QMAKE_INCDIR_EGL =
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