CC       = gcc
  CFLAGS   = -g -O2 -Wall
  CPP      = gcc -E
  CPPFLAGS =
  LD       = /usr/bin/ld
  LDFLAGS  =
  LIBS     =
  Use alloca():                       yes

* TRE options

  Development-time debugging:         no
  System regex ABI compatibility:     no
  Wide character (wchar_t) support:   no (disabled with --disable-wchar)
  Multibyte character set support:    no (disabled with --disable-multibyte)
  Approximate matching support:       yes
  Build and install agrep:            no

compiling TRE regex library
./configure: line 6693: make: command not found