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Instalation process dont get GCC-4.5.7

I am trying to make and make install a program but it is giving me the following eror:
[lucas@lucas sparsePregraph]$ make
pregraph_sparse_63mer.v1.0.3 cleaning done.
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc build_graph.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc build_edge.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc multi_threads.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc build_preArc.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc pregraph_sparse.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc io_func.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc global.cpp
/bin/sh: line 1: /opt/blc/gcc-4.5.0/bin/gcc: Arquivo ou diretório não encontrado
Error in command: /opt/blc/gcc-4.5.0/bin/gcc -c -O4 -fomit-frame-pointer -D_63MER_ -m64 -I./inc convert_soapdenovo.cpp
make: /opt/blc/gcc-4.5.0/bin/gcc: Comando não encontrado
make: ** [pregraph_sparse] Erro 127

I already have the GCC-4.7.2 installed, which can also work.

[lucas@lucas bin]$ ls
c++ g++ gcc-ranlib gpg-error-config libgcrypt-config x86_64-unknown-linux-gnu-g++ x86_64-unknown-linux-gnu-gcc-nm
cc gcc gcov hmac256 pth-config x86_64-unknown-linux-gnu-gcc x86_64-unknown-linux-gnu-gcc-ranlib
cpp gcc-ar gfortran ksba-config r223 x86_64-unknown-linux-gnu-gcc-4.7.2 x86_64-unknown-linux-gnu-gfortran
dumpsexp gcc-nm gpg-error libassuan-config x86_64-unknown-linux-gnu-c++ x86_64-unknown-linux-gnu-gcc-ar

Can I indicate the path to the program be installed? How can I do that? Is there any other way to make it work?

Thanks

Does compiling other programs work? It seems that make is looking for gcc in the wrong place.
What is the output of

Code:

which gcc

Also, you can look in the Makefile. There should be something like (near the top of the file)

Code:

CC=[something]

You can try changing it to match your system.
Also, I don't know what program you are trying to compile, so maybe it is looking for a specific compiler in a specific place for a reason.

[lucas@lucas ~]$ which gcc
/usr/bin/gcc
[lucas@lucas ~]$

The program I am trying to install needs GCC-4.4.0 or superior, Ive just installed GCC-4.7.2.

it looks like that makefile is calling 4.5
or
the symbolic link "gcc" and "CC" are pointing to the wrong version

please post the output of

Code:

gcc -v

and check the links
--- all these might be links to the real version --
c++ g++ cc gcc gcov cpp

also what operating system is this and it's version

you can have many different versions of gcc installed
i have
gcc 3.4, gcc 4.1 gcc 4.3 and gcc 4.7

yes i am lazy and sometimes it is just easier to use an older version of gcc than hack the source code

the output of gcc -v

[lucas@lucas ~]$ gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC)

I also have installed GCC-4.7.2 at /home/lucas/gnu/bin, anthis GCC should work.

I am using CentOS 6.2

Quote:

/home/lucas/gnu/bin

that is not where you install it
please use YUM
it will install ALL needed dependencies and install it to the correct location

also CentOS 6.2 is unsupported !!!
please upgrade to the only 6 version that is supported
CentOS 6.3

Code:

su -

yum --releaseserver=6.3 upgrade

the centos6.2 repos are DEAD

then

Code:

su -

yum search gcc

that will output what is in the repos that you have installed
you also need a LOT of other things besides just gcc
you NEED the whole suite of tools that gcc needs to work

Code:

su -

yum grouplist

---- will output a list of "software groups "---

yum groupinstall "Development Tools"

then after that we can look into any needed extra software