#!/usr/bin/perl

# Perl reimplementation of PostgreSQL's pg_config binary.
# We provide this as /usr/bin/pg_config to support cross-compilation using
# libpq-dev. Also, this makes the two installed pg_config copies not conflict
# via their debugging symbols.
#
# This code is released under the terms of the PostgreSQL License.
# Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
# Author: Christoph Berg

use strict;
use warnings;

# no arguments, print all items
if (@ARGV == 0) {
	while (<DATA>) {
		last if /^$/; # begin of help section
		print;
	}
	exit 0;
}

# --help or -?
if (grep {$_ =~ /^(--help|-\?)$/} @ARGV) {
	while (<DATA>) {
		last if /^$/; # begin of help section
	}
	print; # include empty line in output
	while (<DATA>) {
		next if /^Report bugs/; # Skip bug address in the perl version
		print;
	}
	exit 0;
}

# specific value(s) requested
my %options;
my $help;
while (<DATA>) {
	last if /^$/; # begin of help section
	/^(\S+) = (.*)/ or die "malformatted data item";
	$options{'--' . lc $1} = $2;
}

foreach my $arg (@ARGV) {
	unless ($options{$arg}) {
		print "pg_config: invalid argument: $arg\n";
		print "Try \"pg_config --help\" for more information.\n";
		exit 1;
	}
	print "$options{$arg}\n";
}

exit 0;

# The DATA section consists of the `pg_config` output (one KEY = value item per
# line), and the `pg_config --help` text. The first --help line is empty, which
# we use to detect the beginning of the help section.

__DATA__
BINDIR = /usr/lib/postgresql/15/bin
DOCDIR = /usr/share/doc/postgresql-doc-15
HTMLDIR = /usr/share/doc/postgresql-doc-15
INCLUDEDIR = /usr/include/postgresql
PKGINCLUDEDIR = /usr/include/postgresql
INCLUDEDIR-SERVER = /usr/include/postgresql/15/server
LIBDIR = /usr/lib/x86_64-linux-gnu
PKGLIBDIR = /usr/lib/postgresql/15/lib
LOCALEDIR = /usr/share/locale
MANDIR = /usr/share/postgresql/15/man
SHAREDIR = /usr/share/postgresql/15
SYSCONFDIR = /etc/postgresql-common
PGXS = /usr/lib/postgresql/15/lib/pgxs/src/makefiles/pgxs.mk
CONFIGURE =  '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-option-checking' '--disable-silent-rules' '--libdir=${prefix}/lib/x86_64-linux-gnu' '--runstatedir=/run' '--disable-maintainer-mode' '--disable-dependency-tracking' '--with-tcl' '--with-perl' '--with-python' '--with-pam' '--with-openssl' '--with-libxml' '--with-libxslt' '--mandir=/usr/share/postgresql/15/man' '--docdir=/usr/share/doc/postgresql-doc-15' '--sysconfdir=/etc/postgresql-common' '--datarootdir=/usr/share/' '--datadir=/usr/share/postgresql/15' '--bindir=/usr/lib/postgresql/15/bin' '--libdir=/usr/lib/x86_64-linux-gnu/' '--libexecdir=/usr/lib/postgresql/' '--includedir=/usr/include/postgresql/' '--with-extra-version= (Debian 15.8-0+deb12u1)' '--enable-nls' '--enable-thread-safety' '--enable-debug' '--enable-dtrace' '--disable-rpath' '--with-uuid=e2fs' '--with-gnu-ld' '--with-gssapi' '--with-ldap' '--with-pgport=5432' '--with-system-tzdata=/usr/share/zoneinfo' 'AWK=mawk' 'MKDIR_P=/bin/mkdir -p' 'PROVE=/usr/bin/prove' 'PYTHON=/usr/bin/python3' 'TAR=/bin/tar' 'XSLTPROC=xsltproc --nonet' 'CFLAGS=-g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-omit-frame-pointer' 'LDFLAGS=-Wl,-z,relro -Wl,-z,now' '--enable-tap-tests' '--with-icu' '--with-llvm' 'LLVM_CONFIG=/usr/bin/llvm-config-14' 'CLANG=/usr/bin/clang-14' '--with-lz4' '--with-zstd' '--with-systemd' '--with-selinux' 'build_alias=x86_64-linux-gnu' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fstack-protector-strong -Wformat -Werror=format-security'
CC = gcc
CPPFLAGS = -Wdate-time -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -I/usr/include/libxml2
CFLAGS = -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmissing-format-attribute -Wimplicit-fallthrough=3 -Wcast-function-type -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -Wno-stringop-truncation -g -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-omit-frame-pointer
CFLAGS_SL = -fPIC
LDFLAGS = -Wl,-z,relro -Wl,-z,now -L/usr/lib/llvm-14/lib -Wl,--as-needed
LDFLAGS_EX = 
LDFLAGS_SL = 
LIBS = -lpgcommon -lpgport -lselinux -lzstd -llz4 -lxslt -lxml2 -lpam -lssl -lcrypto -lgssapi_krb5 -lz -lreadline -lm 
VERSION = PostgreSQL 15.8 (Debian 15.8-0+deb12u1)

pg_config provides information about the installed version of PostgreSQL.

Usage:
  pg_config [OPTION]...

Options:
  --bindir              show location of user executables
  --docdir              show location of documentation files
  --htmldir             show location of HTML documentation files
  --includedir          show location of C header files of the client
                        interfaces
  --pkgincludedir       show location of other C header files
  --includedir-server   show location of C header files for the server
  --libdir              show location of object code libraries
  --pkglibdir           show location of dynamically loadable modules
  --localedir           show location of locale support files
  --mandir              show location of manual pages
  --sharedir            show location of architecture-independent support files
  --sysconfdir          show location of system-wide configuration files
  --pgxs                show location of extension makefile
  --configure           show options given to "configure" script when
                        PostgreSQL was built
  --cc                  show CC value used when PostgreSQL was built
  --cppflags            show CPPFLAGS value used when PostgreSQL was built
  --cflags              show CFLAGS value used when PostgreSQL was built
  --cflags_sl           show CFLAGS_SL value used when PostgreSQL was built
  --ldflags             show LDFLAGS value used when PostgreSQL was built
  --ldflags_ex          show LDFLAGS_EX value used when PostgreSQL was built
  --ldflags_sl          show LDFLAGS_SL value used when PostgreSQL was built
  --libs                show LIBS value used when PostgreSQL was built
  --version             show the PostgreSQL version
  -?, --help            show this help, then exit

With no arguments, all known items are shown.

Report bugs to <pgsql-bugs@lists.postgresql.org>.
PostgreSQL home page: <https://www.postgresql.org/>