How to solve undefined reference to 'GC_local_malloc' ?

Dear All, I am trying to compile a research program to do protest event analysis, but when I run 'make' i obtain an extremely long list of errors, which finishes in this way

Code: modify.cp:(.text+0x12bd): undefined reference to `waddnstr' modify.cp:(.te:(t+0x12c2): undefined reference to `stdscr' modify.cp:(.text+0x12d2): undefined reference to `waddch' modify.cp:(.text+0x140b): undefined re

I was trying to compile my reader-writer code in Operating System, using semaphores and got this on the terminal:

undefined reference to `sem_init'

undefined reference to `pthread_create'

undefined reference to `pthread_join'

undefined reference to `sem_wait'

What all packages do I need to include?

Downloaded and compiled UMFPACK [1] and it went well copied out the example program Tim Davis has written up and I got this error

me@sun:~/umfpack$ cc ex.c /tmp/ccBVFK6B.o: In function `main': ex.c:(.text+0x4a): undefined reference to `umfpack_di_symbolic' ex.c:(.text+0x7b): undefined reference to `umfpack_di_numeric' ex.c:(.text+0x87): undefined reference to `umfpack_di_free_symbolic' ex.c:(.tex

Hi I have written a simple program in threads to create 10 threads and execute them normally but when I compile the code on linux machine it gives following errors.. */tmp/cc4swqyK.o: In function main': threadcreate1.c:(.text+0x40): undefined reference topthread_create' threadcreate1.c:(.text+0x78): undefined reference to `pthread_join' collect2: ld returned 1 exit status*

i have got such wrong message when i run a program. see below: undefined reference to fftw_malloc' f11.c:(.text+0x24d): undefined reference tofftw_malloc' f11.c:(.text+0x260): undefined reference to fftw_malloc' f11.c:(.text+0x273): undefined reference tofftw_malloc' f11.c:(.text+0x286): undefined reference to `fftw_malloc' and so on ..... whats problem exactly?

i am trying to compile one library called liboil. when i compile that i am getting this error. I goggled for this error its totally confusing for me. please help me.

Code: Making all in uberopt make[3]: Entering directory `/mnt/freescale/sources/liboil-0.3.16/examples/uberopt'

Hi, I am trying to compile a fortran code which uses mpich2. I am using gfortran.

My effort to compile  Stage 4.0.0 on from sources an Archlinux 64 bits system fails with(first few lines of make output):[ 60%] Building CXX object libstage/CMakeFiles/stagebinary.dir/main.oLinking CXX executable stage/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.2/../../../../lib/libfltk_gl.so:undefined reference to `glRasterPos2f'libstage.so.4.0.0: undefined reference to `glDrawArrays&#039

Primary issue

Steps to attempt to repeat this error.

Download latest git (git://git.videolan.org/x264.git). Run ./configure - You can use any options, the error is present with all. Run sudo make - It will compile all of the code but when it comes time to link the code it runs into the error

/usr/local/lib/libavcodec.a(libx264.o): In function 'X264_init': /.../libx264.c:418: undefined re