where is math.h in 10.7?

folks,

installed 10.7 on clean disk recovery usb few days ago. installed xcode app store , executed after installed in /applications complete installation. opened new terminal window , typed "gcc". not listed being in path. assumed gcc not installed xcode. went hpc osx website gcc , gfortran binary compilers lion. put them in /usr/local. in path, , when create simple program includes math.h functions, math.h not found. can me?

thank you,
kris walker

 

install "command line tools"

update: found need open xcode, go preferences->downloads, , install "command line tools". symbolic link llvm-gcc-4.2 installed @ /usr/bin/gcc. can use 1 compile code without problems mentioned earlier.

kris

 

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