"twomol" <twomol@xxxxxxx> writes: > hi. > If I set the global compiler flags with -gdwarf when configure the ecos,then I get this error when compile the application: > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1723): undefined reference to `.L_E453' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1741): undefined reference to `.L_E593' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1760): undefined reference to `.L_E453' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x177e): undefined reference to `.L_E593' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x179d): undefined reference to `.L_E453' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x17bb): undefined reference to `.L_E593' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1e80): undefined reference to `.L_E453' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1e9e): undefined reference to `.L_E593' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1ebd): undefined reference to `.L_E453' > /cygdrive/d/ecossave/s3c44b0ram_install/lib/libminigui.a(timer.o)(.debug+0x1edb): undefined reference to `.L_E593' > > > But if I configure ECOS with -g ,there isn't this problem? why? This is probably because the toolchain doesn't support DWARF debug format. I recommend sticking with the default format. -- Nick Garnett eCos Kernel Architect http://www.ecoscentric.com The eCos and RedBoot experts >>>>> Visit us in booth 2539 at Embedded Systems Conference 2005 <<<<< >>>>> March 8 - 10, San Francisco http://www.embedded.com/esc/sf <<<<<
