« Return to Thread: [Cooker] How to properly override C(++) lags for Makefiles generated by qmake?
Re: [Cooker] How to properly override C(++) lags for Makefiles generated by qmake?
by Bugzilla from arvidjaar@mail.ru
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On Sunday 05 of July 2009 13:31:05 Amrein-Marie Christophe wrote:
> Le dimanche 05 juillet 2009 à 13:23 +0400, Andrey Borzenkov a écrit :
> > I'm trying to build aqemu. It fails on printf format error, but
> > disabling it in specs is ineffective; Makefile is generated by
> > qmake and C(XX)FLAGS are statically set in Makefile.
> >
> > Unfortunately using make CFLAGS=... does not work either because
> > CFLAGS are built from other variables as well:
> >
> > CXXFLAGS = -pipe -O2 -g -pipe -Wformat -Werror=format-security
> > - Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
> > --param=ssp- buffer-size=4 -Wall -W -D_REENTRANT $(DEFINES)
> >
> > I hope, that it is possible to override template CFLAGS during
> > qmake invocation. Is it possible?
>
> Use %{qmake_qt4} to create the Makefiles in your rpm .spec file.This does not work because our qmake templates *unconditionally* add
options (have you actually tried it? Passing QMAKE_CXXFLAGS at qmake
invocation was the first thing I tried :) )
+ CPPFLAGS='-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -DPIC -fPIC'
+ export CPPFLAGS
+ /usr/lib/qt4/bin/qmake 'QMAKE_CFLAGS=-O2 -g -pipe -Wp,-
D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-
size=4 -DPIC -fPIC' 'QMAKE_CXXFLAGS=-O2 -g -pipe -Wp,-
D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-
size=4 -DPIC -fPIC' 'QMAKE_LFLAGS= -Wl,--as-needed -Wl,--no-undefined -
Wl,-z,relro' AQEMU.pro
+ make
make -f Makefile.Release
...
g++ -c -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -DPIC -fPIC -O2 -g -pipe -Wformat -
Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -Wall -W -D_REENTRANT -DVNC_DISPLAY
-DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -
DQT_SHARED -I/usr/lib/qt4/mkspecs/linux-g++ -I. -
I/usr/lib/qt4/include/QtCore -I/usr/lib/qt4/include/QtNetwork -
I/usr/lib/qt4/include/QtGui -I/usr/lib/qt4/include/QtXml -
I/usr/lib/qt4/include -I/usr/lib/qt4/include/QtTest -I. -Irelease -I. -o
release/About_Window.o About_Window.cpp
> Le dimanche 05 juillet 2009 à 13:23 +0400, Andrey Borzenkov a écrit :
> > I'm trying to build aqemu. It fails on printf format error, but
> > disabling it in specs is ineffective; Makefile is generated by
> > qmake and C(XX)FLAGS are statically set in Makefile.
> >
> > Unfortunately using make CFLAGS=... does not work either because
> > CFLAGS are built from other variables as well:
> >
> > CXXFLAGS = -pipe -O2 -g -pipe -Wformat -Werror=format-security
> > - Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
> > --param=ssp- buffer-size=4 -Wall -W -D_REENTRANT $(DEFINES)
> >
> > I hope, that it is possible to override template CFLAGS during
> > qmake invocation. Is it possible?
>
> Use %{qmake_qt4} to create the Makefiles in your rpm .spec file.
options (have you actually tried it? Passing QMAKE_CXXFLAGS at qmake
invocation was the first thing I tried :) )
+ CPPFLAGS='-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -DPIC -fPIC'
+ export CPPFLAGS
+ /usr/lib/qt4/bin/qmake 'QMAKE_CFLAGS=-O2 -g -pipe -Wp,-
D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-
size=4 -DPIC -fPIC' 'QMAKE_CXXFLAGS=-O2 -g -pipe -Wp,-
D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-
size=4 -DPIC -fPIC' 'QMAKE_LFLAGS= -Wl,--as-needed -Wl,--no-undefined -
Wl,-z,relro' AQEMU.pro
+ make
make -f Makefile.Release
...
g++ -c -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -DPIC -fPIC -O2 -g -pipe -Wformat -
Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
protector --param=ssp-buffer-size=4 -Wall -W -D_REENTRANT -DVNC_DISPLAY
-DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -
DQT_SHARED -I/usr/lib/qt4/mkspecs/linux-g++ -I. -
I/usr/lib/qt4/include/QtCore -I/usr/lib/qt4/include/QtNetwork -
I/usr/lib/qt4/include/QtGui -I/usr/lib/qt4/include/QtXml -
I/usr/lib/qt4/include -I/usr/lib/qt4/include/QtTest -I. -Irelease -I. -o
release/About_Window.o About_Window.cpp
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