LibreCAD: Build fails on buildbots

[neverpanic (Clemens Lang)]

The LibreCAD build failed on some of our buildbots:

• ML: ​http://build.macports.org/builders/buildports-mtln-x86_64/builds/11782
• Lion: ​http://build.macports.org/builders/buildports-lion-x86_64/builds/17885
• SL: ​http://build.macports.org/builders/buildports-snowleopard-x86_64/builds/24257

The build did succeed on the Mavericks buildbot:

• ​https://build.macports.org/builders/buildports-mavericks-x86_64/builds/1225/steps/status/logs/portstatus

Maybe the issue is related to the C++ runtime library being used (Mavericks switched the default to libc++)? The error message I see in the log of the ML buildbot is:

/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_actioninterface.o lib/actions/rs_actioninterface.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_preview.o lib/actions/rs_preview.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_previewactioninterface.o lib/actions/rs_previewactioninterface.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_snapper.o lib/actions/rs_snapper.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_creation.o lib/creation/rs_creation.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_debug.o lib/debug/rs_debug.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_arc.o lib/engine/rs_arc.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_block.o lib/engine/rs_block.cpp
/usr/bin/clang++ -arch x86_64 -c -pipe -std=c++11 -g -O2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.8 -Wall -W -DQC_APPKEY="/LibreCAD" -DQC_APPNAME="LibreCAD" -DQC_COMPANYNAME="LibreCAD" -DQC_COMPANYKEY="LibreCAD" -DQC_VERSION="master" -DQC_DELAYED_SPLASH_SCREEN=1 -DHAS_BOOST=1 -DQC_SCMREVISION="2.0.2" -DQC_APPDIR="LibreCAD" -DQINITIMAGES_LIBRECAD=qInitImages_LibreCAD -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/share/qt4/mkspecs/macx-g++ -I. -I../../generated/librecad/moc -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I../../libraries/libdxfrw/src -I../../libraries/jwwlib/src -Icmd -Ilib/actions -Ilib/creation -Ilib/debug -Ilib/engine -Ilib/fileio -Ilib/filters -Ilib/gui -Ilib/information -Ilib/math -Ilib/modification -Ilib/scripting -Iactions -Imain -Iplugins -Iui -Iui/forms -I../res -I/opt/local/Library/Frameworks/QtHelp.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSvg.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtSql.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/include -I../../generated/librecad/ui -F/opt/local/Library/Frameworks -F/opt/local/lib -o ../../generated/librecad/obj/rs_blocklist.o lib/engine/rs_blocklist.cpp
In file included from lib/actions/rs_snapper.cpp:31:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
In file included from lib/actions/rs_preview.cpp:31:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
In file included from lib/actions/rs_previewactioninterface.cpp:30:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
In file included from lib/actions/rs_actioninterface.cpp:30:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
1 error generated.
In file included from lib/creation/rs_creation.cpp:34:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
1 error generated.
1 error generated.
make[2]: *** [../../generated/librecad/obj/rs_previewactioninterface.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [../../generated/librecad/obj/rs_snapper.o] Error 1
make[2]: *** [../../generated/librecad/obj/rs_preview.o] Error 1
1 error generated.
make[2]: *** [../../generated/librecad/obj/rs_actioninterface.o] Error 1
In file included from lib/engine/rs_arc.cpp:34:
lib/gui/rs_graphicview.h:38:10: fatal error: 'tuple' file not found
#include <tuple>
         ^
1 error generated.
make[2]: *** [../../generated/librecad/obj/rs_creation.o] Error 1
1 error generated.
make[2]: *** [../../generated/librecad/obj/rs_arc.o] Error 1
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_mports_dports_cad_LibreCAD/LibreCAD/work/LibreCAD-2.0.2/librecad/src'
make[1]: *** [sub-src-all] Error 2
make[1]: Leaving directory `/opt/local/var/macports/build/_opt_mports_dports_cad_LibreCAD/LibreCAD/work/LibreCAD-2.0.2/librecad'
make: *** [sub-librecad-all-ordered] Error 2
make: Leaving directory `/opt/local/var/macports/build/_opt_mports_dports_cad_LibreCAD/LibreCAD/work/LibreCAD-2.0.2'
Command failed:  cd "/opt/local/var/macports/build/_opt_mports_dports_cad_LibreCAD/LibreCAD/work/LibreCAD-2.0.2" && /usr/bin/make -j8 -w all CC="/usr/bin/clang -arch x86_64" CXX="/usr/bin/clang++ -arch x86_64" LINK="/usr/bin/clang++ -arch x86_64" 
Exit code: 2
Error: org.macports.build for port LibreCAD returned: command execution failed

The compiler tries to compile in C++11 mode on a system where the C++ standard library (which is libstdc++ in this case) does not support C++11 features. If there is no workaround for this problem, we should make the port error out on unsupported systems in a pre-fetch phase.

[librecad@…]

Is it possible that we tell macports that for older system's we revert to a older version of LibreCAD?

We do have a 1.x branch that's currently getting fixes : ​https://github.com/LibreCAD/LibreCAD/tree/v1.0.4

We can have Mavericks on 2.x and anything older on 1.x

PS: this was kidna expected and the exact reason why we wanted to move LibreCAD into macports...

[neverpanic (Clemens Lang)]

Yes, it is possible to revert to an older version on older platforms. See browser:trunk/dports/devel/ld64/Portfile?marks=79-107#L75​ for an example how to do that.

[ryandesign (Ryan Carsten Schmidt)]

#42251 was filed to fix this.

[neverpanic (Clemens Lang)]

Fixed in coordination with the maintainer in r116430 by making the port fail on systems <= 10.8.