Hi, I'm not quite sure, but from what I know in the C level <math.h> is just a matter of adding a linker flag -lm Having that said, if doesn't work through vala make a vapi call to the C math lib... Cheers On Thu, 2012-09-13 at 08:52 +0530, Voldyman wrote: > If we implement Math.floor function in pantheon terminal source > wouldn't that work? > > On 13-Sep-2012, at 3:29 AM, David Gomes <da...@elementaryos.org> > wrote: > > > > > On the terminal we now need Math.floor and Math.ceil for zooming in > > and out using Ctrl-+ and Ctrl--. > > > > This brought along an issue when building the termina: > > > > /usr/bin/ld: > > CMakeFiles/pantheon-terminal.dir/src/TerminalWidget.c.o: undefined > > reference to symbol 'floor@@GLIBC_2.2.5' > > /usr/bin/ld: note: 'floor@@GLIBC_2.2.5' is defined in > > DSO /usr/lib/libm.so.6 so try adding it to the linker command line > > /usr/lib/libm.so.6: could not read symbols: Invalid operation > > collect2: error: ld returned 1 exit status > > make[2]: *** [pantheon-terminal] Error 1 > > > > In order to fix this, Ricotz suggested using the "-lm" flag on the > > linker. I tried to do it and then it worked just fine. However, for > > Victored and Eshat on Ubuntu (Luna), that made it stop working. > > > > It seems that on Ubuntu the linker includes lm by default, and on > > Arch it doesn't, and reincluding it causes troubles on Ubuntu. > > > > On CMakeLists.txt I just added the following to make it compile: > > > > set (CMAKE_EXE_LINKER_FLAGS "-lm") > > > > Either way, I want Pantheon Terminal to compile across all GNU/Linux > > distributions, so I need a way to solve this. > > > > === modified file 'CMakeLists.txt' > > --- CMakeLists.txt 2012-07-26 20:23:31 +0000 > > +++ CMakeLists.txt 2012-09-12 19:18:34 +0000 > > @@ -30,6 +30,7 @@ > > find_package(PkgConfig) > > pkg_check_modules(DEPS REQUIRED gthread-2.0 gtk+-3.0 granite > > vte-2.90 libnotify gdk-3.0) > > > > +set (DEPS_LADD "${DEPS_LADD} -lm") > > add_definitions(${DEPS_CFLAGS}) > > > > link_libraries(${DEPS_LIBRARIES}) > > > > Ricotz suggesting the avobe path to fix the issue. I applied that > > patch and my patched CMakeLists.txt is attached. However, with this > > patch I can't build it on Arch, but Victored managed to built it on > > Ubuntu. I get the same good old error: > > > > /usr/bin/ld: > > CMakeFiles/pantheon-terminal.dir/src/TerminalWidget.c.o: undefined > > reference to symbol 'floor@@GLIBC_2.2.5' > > /usr/bin/ld: note: 'floor@@GLIBC_2.2.5' is defined in > > DSO /usr/lib/libm.so.6 so try adding it to the linker command line > > /usr/lib/libm.so.6: could not read symbols: Invalid operation > > collect2: error: ld returned 1 exit status > > > > So I'd appreciate some help guys, since I'm fairly new to CMake. Oh, > > and this is the branch we're working on: > > > > https://code.launchpad.net/~elementary-dev-community/pantheon-terminal/zoom-in-out > > > > Thank you. > > > > <CMakeLists.txt> > > -- > > Mailing list: https://launchpad.net/~elementary-dev-community > > Post to : elementary-dev-community@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~elementary-dev-community > > More help : https://help.launchpad.net/ListHelp > >
-- Darcy Brás da Silva <dardeve...@cidadecool.com>
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