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make all Building file: ../src/jeden.c
Invoking: GCC C Compiler
gcc -O0 -g3 -Wall -c -fmessage-length=0 -lm -v -MMD -MP -MF"src/jeden.d" -MT"src/jeden.d" -o "src/jeden.o" "../src/jeden.c"
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.1-15' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-plugin --enable-objc-gc --with-arch-32=i586 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
Finished building: ../src/jeden.c
gcc version 4.6.1 (Debian 4.6.1-15) 
 
COLLECT_GCC_OPTIONS='-O0' '-g3' '-Wall' '-c' '-fmessage-length=0' '-v' '-MMD' '-MP' '-MF' 'src/jeden.d' '-MT' 'src/jeden.d' '-o' 'src/jeden.o' '-mtune=generic' '-march=x86-64'
 /usr/lib/gcc/x86_64-linux-gnu/4.6/cc1 -quiet -v -imultilib . -imultiarch x86_64-linux-gnu -MMD src/jeden.d -MF src/jeden.d -MP -MT src/jeden.d -dD ../src/jeden.c -quiet -dumpbase jeden.c -mtune=generic -march=x86-64 -auxbase-strip src/jeden.o -g3 -O0 -Wall -version -fmessage-length=0 -o /tmp/ccypD3Qu.s
Building target: jeden
GNU C (Debian 4.6.1-15) version 4.6.1 (x86_64-linux-gnu)
Invoking: GCC C Linker
    compiled by GNU C version 4.6.1, GMP version 5.0.2, MPFR version 3.1.0, MPC version 0.9
gcc  -o "jeden"  ./src/jeden.o   
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc/x86_64-linux-gnu/4.6/include
 /usr/local/include
 /usr/lib/gcc/x86_64-linux-gnu/4.6/include-fixed
 /usr/include/x86_64-linux-gnu
 /usr/include
End of search list.
GNU C (Debian 4.6.1-15) version 4.6.1 (x86_64-linux-gnu)
    compiled by GNU C version 4.6.1, GMP version 5.0.2, MPFR version 3.1.0, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 0976cb1d7dfb8e8f549495a7543dd92b
../src/jeden.c: In function ‘main’:
../src/jeden.c:18:2: warning: implicit declaration of function ‘pow’ [-Wimplicit-function-declaration]
../src/jeden.c:18:4: warning: incompatible implicit declaration of built-in function ‘pow’ [enabled by default]
../src/jeden.c:17:8: warning: variable ‘y’ set but not used [-Wunused-but-set-variable]
../src/jeden.c:18:7: warning: ‘x’ is used uninitialized in this function [-Wuninitialized]
COLLECT_GCC_OPTIONS='-O0' '-g3' '-Wall' '-c' '-fmessage-length=0' '-v' '-MMD' '-MP' '-MF' 'src/jeden.d' '-MT' 'src/jeden.d' '-o' 'src/jeden.o' '-mtune=generic' '-march=x86-64'
 as --64 -o src/jeden.o /tmp/ccypD3Qu.s
COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/
LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.6/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib/:/lib/x86_64-linux-gnu/:/lib/../lib/:/usr/lib/x86_64-linux-gnu/:/usr/lib/../lib/:/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-O0' '-g3' '-Wall' '-c' '-fmessage-length=0' '-v' '-MMD' '-MP' '-MF' 'src/jeden.d' '-MT' 'src/jeden.d' '-o' 'src/jeden.o' '-mtune=generic' '-march=x86-64'
./src/jeden.o: In function `main':
/home/wolf/workspace/jeden/Debug/../src/jeden.c:18: undefined reference to `pow'
collect2: ld returned 1 exit status
make: *** [jeden] Błąd 1


**** Build Finished ****

#include <stdio.h>
#include <stdlib.h>


int main(void) {
    puts("!!!Hello World!!!\n"); /* prints !!!Hello World!!! */
    float x;
    float y;
    y=pow(x, 0.3);
    printf("%f", y);
    return EXIT_SUCCESS;
}