On Sun, Nov 29, 2015 at 10:23:38PM +0100, chrysn wrote: > i'll let you know which results the hopefully more non-debug builds got > me when they are through.
my most recent development builds, whose qmake invocation goes like > qmake -makefile -nocache "QMAKE_CFLAGS_RELEASE=-g -O2 -fPIE > -fstack-protector-strong -Wformat -Werror=format-security > -D_FORTIFY_SOURCE=2" "QMAKE_CFLAGS_DEBUG=-g -O2 -fPIE > -fstack-protector-strong -Wformat -Werror=format-security > -D_FORTIFY_SOURCE=2" "QMAKE_CXXFLAGS_RELEASE=-g -O2 -fPIE > -fstack-protector-strong -Wformat -Werror=format-security > -D_FORTIFY_SOURCE=2" "QMAKE_CXXFLAGS_DEBUG=-g -O2 -fPIE > -fstack-protector-strong -Wformat -Werror=format-security > -D_FORTIFY_SOURCE=2" "QMAKE_LFLAGS_RELEASE=-fPIE -pie -Wl,-z,relro > -Wl,-z,now" "QMAKE_LFLAGS_DEBUG=-fPIE -pie -Wl,-z,relro -Wl,-z,now" > QMAKE_STRIP=: PREFIX=/usr VERSION=2015.03-2 CONFIG-=debug > QMAKE_STRIP=echo (which, by the way, indicates that my qmake_strip workaround is also included in debian's recent build system), but they do not show a noticeable reduction in dragging. neither did invoking openscad as $ glXSwapIntervalMESA=0 openscad (was that the way it should work better?) is there a way to test for the presence of the forced buffer swaps that is less subjective than watching out for dragging? best regards chrysn -- To use raw power is to make yourself infinitely vulnerable to greater powers. -- Bene Gesserit axiom
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