# cat /etc/centos-release
CentOS release 6.3 (Final)


# yum install boost-devel
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Setting up Install Process
Package boost-devel-1.41.0-11.el6_1.2.i686 already installed and latest version
Nothing to do


# yum install openssl-devel
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Setting up Install Process
Package openssl-devel-1.0.0-25.el6_3.1.i686 already installed and latest version
Nothing to do

# yum install db4-devel
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Setting up Install Process
Package db4-devel-4.7.25-17.el6.i686 already installed and latest version
Nothing to do


# yum install gcc
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Setting up Install Process
Package gcc-4.4.6-4.el6.i686 already installed and latest version
Nothing to do



# yum install glibc-headers
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Setting up Install Process
Package glibc-headers-2.12-1.80.el6_3.7.i686 already installed and latest version
Nothing to do







# make -f makefile.unix
g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -g -DBOOST_SPIRIT_THREADSAFE -I/bitcoin/bitcoin/bitcoin-0.7.2-linux/src/src -I/bitcoin/bitcoin/bitcoin-0.7.2-linux/src/src/obj -DUSE_UPNP=0 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2  -MMD -MF obj/alert.d -o obj/alert.o alert.cpp
In file included from alert.cpp:9:
key.h:16:49: warning: openssl/ec.h: No such file or directory
In file included from alert.cpp:9:
key.h:112: error: ISO C++ forbids declaration of ‘EC_KEY’ with no type
key.h:112: error: expected ‘;’ before ‘*’ token
make: *** [obj/alert.o] Error 1