gcc -c -DHAVE_UNISTD_H -DHAVE_PWD_H -DHAVE_SYS_TYPES_H -DHAVE_LONG_LONG -DSIZEOF_LONG_INT=8 -I/usr/include  -I/usr/include  -I. -I/efs/dist/perl5/DBI/1.616/.exec/x86-64.rhel.7/5.10/lib/perl5/auto/DBI -D_REENTRANT -D_GNU_SOURCE -DAPPLLIB_EXP="/efs/dist/perl5/defaults/5.10/.exec/x86-64.linux.2.6/5.10/lib/perl5:/efs/dist/perl5/defaults/5.10/.exec/x86-64.linux.2.6/lib/perl5:/efs/dist/perl5/defaults/5.10/common/lib/perl5" -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O   -DVERSION=\"1.56\" -DXS_VERSION=\"1.56\" -fPIC "-I/efs/dist/perl5/core/5.10.0-ml01/.exec/x86-64.linux.2.6/lib/perl5/CORE"  -DHAVE_UNISTD_H -DHAVE_PWD_H -DHAVE_SYS_TYPES_H -DHAVE_LONG_LONG -DSIZEOF_LONG_INT=8 -I/usr/include  -I/usr/include ConvertUTF.c
/bin/sh: gcc: command not found
make: *** [ConvertUTF.o] Error 127