/usr/bin/pcre-config is in libpcre3-dev 8.12-4ubuntu0.2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | #!/bin/sh
prefix=/usr
exec_prefix=${prefix}
exec_prefix_set=no
if test yes = yes ; then
  usage="Usage: pcre-config [--prefix] [--exec-prefix] [--version] [--libs] [--libs-posix] [--libs-cpp] [--cflags] [--cflags-posix]"
else
  usage="Usage: pcre-config [--prefix] [--exec-prefix] [--version] [--libs] [--libs-posix] [--cflags] [--cflags-posix]"
fi
if test $# -eq 0; then
      echo "${usage}" 1>&2
      exit 1
fi
libR=
case `uname -s` in
  *SunOS*)
  libR=" -R${prefix}/lib/x86_64-linux-gnu"
  ;;
  *BSD*)
  libR=" -Wl,-R${prefix}/lib/x86_64-linux-gnu"
  ;;
esac
while test $# -gt 0; do
  case "$1" in
  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac
  case $1 in
    --prefix=*)
      prefix=$optarg
      if test $exec_prefix_set = no ; then
        exec_prefix=$optarg
      fi
      ;;
    --prefix)
      echo $prefix
      ;;
    --exec-prefix=*)
      exec_prefix=$optarg
      exec_prefix_set=yes
      ;;
    --exec-prefix)
      echo $exec_prefix
      ;;
    --version)
      echo 8.12
      ;;
    --cflags | --cflags-posix)
      if test ${prefix}/include != /usr/include ; then
        includes=-I${prefix}/include
      fi
      echo $includes 
      ;;
    --libs-posix)
      echo -L${prefix}/lib/x86_64-linux-gnu$libR -lpcreposix -lpcre
      ;;
    --libs)
      echo -L${prefix}/lib/x86_64-linux-gnu$libR -lpcre
      ;;
    --libs-cpp)
      if test yes = yes ; then
        echo -L${prefix}/lib/x86_64-linux-gnu$libR -lpcrecpp -lpcre
      else
        echo "${usage}" 1>&2
      fi
      ;;
    *)
      echo "${usage}" 1>&2
      exit 1
      ;;
  esac
  shift
done
 |