/usr/share/qt4/mkspecs/features/egl.prf is in qt4-qmake 4:4.8.1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | # On UNIX, we can use config tests to figure out if egl.h is in
# EGL/egl.h or GLES/egl.h. Sadly, there are no config tests on WinCE
# so we have to assume that for GLES 1.1 (CL), the EGL header is in
# GLES/egl.h. We also assume there is no separate libEGL.lib library,
# so we use the GL library instead.
wince*:contains(QT_CONFIG, opengles1) {
INCLUDEPATH += $$QMAKE_INCDIR_OPENGL_ES1
LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_ES1
for(p, QMAKE_LIBDIR_OPENGL_ES1) {
exists($$p):LIBS_PRIVATE += -L$$p
}
DEFINES += QT_GLES_EGL
} else {
INCLUDEPATH += $$QMAKE_INCDIR_EGL
LIBS_PRIVATE += $$QMAKE_LIBS_EGL
LIBS += $$QMAKE_LFLAGS_EGL
for(p, QMAKE_LIBDIR_EGL) {
exists($$p):LIBS_PRIVATE += -L$$p
}
}
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