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checking host system type... x86_64-redhat-linux-gnu
checking for gcc... gcc
checking whether the C compiler works... yes
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checking for X... libraries , headers 
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         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
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configure: creating ./config.status
config.status: creating Makefile

$ make
gcc -g -O2 -Wall -I/usr/local/include -I/usr/include/gssglue     -pthread -I/usr/include/PCSC     -DPACKAGE_NAME=\"rdesktop\" -DPACKAGE_TARNAME=\"rdesktop\" -DPACKAGE_VERSION=\"1.8.0\" -DPACKAGE_STRING=\"rdesktop\ 1.8.0\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DL_ENDIAN=1 -DHAVE_SYS_SELECT_H=1 -DHAVE_LOCALE_H=1 -DHAVE_LANGINFO_H=1 -DHAVE_SYSEXITS_H=1 -Dssldir=\"/usr/local\" -DWITH_CREDSSP=1 -DHAVE_XRANDR=1 -DWITH_SCARD=1 -DEGD_SOCKET=\"/var/run/egd-pool\" -DWITH_RDPSND=1 -DRDPSND_OSS=1 -DHAVE_DIRENT_H=1 -DHAVE_DIRFD=1 -DHAVE_DECL_DIRFD=1 -DHAVE_ICONV_H=1 -DHAVE_ICONV=1 -DICONV_CONST= -DHAVE_SYS_VFS_H=1 -DHAVE_SYS_STATVFS_H=1 -DHAVE_SYS_STATFS_H=1 -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_MOUNT_H=1 -DSTAT_STATVFS=1 -DHAVE_STRUCT_STATVFS_F_NAMEMAX=1 -DHAVE_STRUCT_STATFS_F_NAMELEN=1 -DHAVE_MNTENT_H=1 -DHAVE_SETMNTENT=1 -DKEYMAP_PATH=\"/usr/local/share/rdesktop/keymaps/\" -o tcp.o -c tcp.c
tcp.c: In function ‘tcp_recv’:
tcp.c:196: warning: ‘return’ with no value, in function returning non-void
tcp.c: In function ‘tcp_tls_connect’:
tcp.c:321: error: ‘SSL_OP_NO_COMPRESSION’ undeclared (first use in this function)
tcp.c:321: error: (Each undeclared identifier is reported only once
tcp.c:321: error: for each function it appears in.)
make: *** [tcp.o] Error 1