On Sat, May 05, 2007 at 10:25:38PM -0400, Michael Dickens wrote: > My bad ... RTF Readme file that goes along with gr-qtgui! Requires > qwt >= 5.0.0 ! Ububtu Edgy can install QWT 4.2, but no greater ... doh! > > Can we check for this in the m4 file somehow (the QT version is > already checked for, so why not also QWT?)? > > QWT version is found in the file qwt_global.h, under the name > QWT_VERSION. Looks like there's no pkgconfig file for qwt installed > by default, but there is one at <http://n4hy.org/Qwt/qwt.pc> that > could be copied in separately. If we want to require the > installation of 'qwt.pc', then something can be added to the > "grc_gr_qtgui.m4" script along the lines of: > > PKG_CHECK_MODULES(QWT, qwt >= 5.0.0,[], > [passed=no;AC_MSG_RESULT([gr-qtgui requires libqwt >= 5.0.0.])]) > > If not using 'qwt.pc', then I'd suggest adding to the "gr_qwt.m4" > script something along the lines of: > > AC_TRY_LINK([#include <qwt_global.h>], > [#if QWT_VERSION < 0x050000 foo #endif], > [], > [libqwt_ok=no;AC_MSG_RESULT([QWT library version > must be at least 5.0.0])] > ) > > Or maybe trying both (along the lines of first searching for libqt, > then libqt-mt) ... with the PKG_CHECK first trying as written, then a > backup to trying the "gr_qwt.m4" with the addition above. I don't > have time to try these out tonight, but can do so tomorrow or Monday > unless someone else wants to. - MLD
Unless the upstream guys produce and ship the .pc file I don't want to check for it with pkgconfig. The second seems OK. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
