dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/gcm_input/message.h)
AM_INIT_AUTOMAKE(GnuCoMo, 0.0.9)


dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP
AM_PROG_LEX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_AWK

AC_PATH_PROG(XML_CONFIG,xml2-config,no)

if test $XML_CONFIG = "no"
then
   echo "XML library not found (see http://xmlsoft.org/)."
   exit 1;
fi


dnl Checks for libraries.
AC_PATH_XTRA

XML_CFLAGS=`$XML_CONFIG --cflags`
XML_LFLAGS=`$XML_CONFIG --libs`

LIBS="$LIBS $X_LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
LIBS="$LIBS -L/usr/local/lib $XML_LFLAGS"
CFLAGS="$CFLAGS $X_CFLAGS $XML_CFLAGS "
CXXFLAGS="$CXXFLAGS  -Wno-deprecated $X_CFLAGS $XML_CFLAGS"

AC_CHECK_LIB(AXE, main, , AC_MSG_ERROR(AXE Library is not installed))
#AC_CHECK_LIB(X11, XOpenDisplay)
#AC_CHECK_LIB(Xpm, XpmCreatePixmapFromData)
#AC_CHECK_LIB(pthread, pthread_create)
AC_CHECK_LIB(xml2, xmlParseFile)

# Where are the postgres includes...
postgres_include_default=
for usual_suspect in \
	/usr/local/include/postgresql \
	/usr/local/include/pgsql \
	/usr/local/pgsql/include \
	/usr/local/include \
	/usr/include/postgresql \
	/usr/include/pgsql \
	/usr/include \
	/opt/postgresql/include \
	/opt/pgsql/include \
	/usr/freeware/include \
; do
AC_CHECK_FILE([$usual_suspect/libpq-fe.h],
	[postgres_include_default=$usual_suspect],
)
	if test -n "$postgres_include_default" ; then
		break
	fi
done

AC_ARG_WITH(postgres-include,
	--with-postgres-include	 PostgreSQL headers directory
	
	,	test "$withval" = no || with_postgres_include=$withval
	, with_postgres_include=$postgres_include_default
)

# ..and libraries?
postgres_lib_default=
for usual_suspect in \
	/usr/local/lib/postgresql \
	/usr/local/lib/pgsql \
	/usr/local/pgsql/lib \
	/usr/local/lib \
	/usr/lib/postgresql \
	/usr/lib/pgsql \
	/usr/lib \
	/opt/postgresql/lib \
	/opt/pgsql/lib \
	/usr/freeware/lib32 \
; do
	for library_extension in so a sa ; do
AC_CHECK_FILE([$usual_suspect/libpq.$library_extension],
	[postgres_lib_default=$usual_suspect],
)
	done
	if test -n "$postgres_lib_default" ; then
		break
	fi
done

AC_ARG_WITH(postgres-lib,
	--with-postgres-lib	 PostgreSQL library directory containing libpq
	,	test "$withval" = no || with_postgres_lib=$withval
	, with_postgres_lib=$postgres_lib_default
)

# provide one way to specify both include and lib
AC_ARG_WITH(postgres,
	--with-postgres	 PostgreSQL common directory. Use this to specify libs & includes rooted at one place
	,	test "$withval" = no || with_postgres=$withval
		with_postgres_lib=${with_postgres}/lib
		with_postgres_include=${with_postgres}/include
	, with_postgres=no
)

AC_SUBST(with_postgres_lib)
AC_SUBST(with_postgres_include)
POSTGRES_LIB="-L${with_postgres_lib} -R${with_postgres_lib} -lpq"
AC_SUBST(POSTGRES_LIB)
POSTGRES_INCLUDE="-I${with_postgres_include}"
AC_SUBST(POSTGRES_INCLUDE)

# Checks for libraries.
AC_CHECK_LIB([pq], [PQexec], [], [AC_MSG_ERROR([Failed to find a suitable libpq.

PostgreSQL's libpq needs to be installed.
Perhaps you need to specify --with-postgres-lib?
])], -L${with_postgres_lib})

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADER([${with_postgres_include}/libpq-fe.h],,AC_MSG_ERROR(
[Can't find libpq-fe.h in ${with_postgres_include}.
Please specify the location of the PostgreSQL include files with
--with-postgres-include=... or --with-postgres=...]
))

AC_CHECK_HEADER([${with_postgres_include}/libpq/libpq-fs.h],,AC_MSG_ERROR(
[Can't find libpq-fs.h in ${with_postgres_include}/libpq.
Please locate it and report your findings so this script can be corrected.]
))

CXXFLAGS="$CXXFLAGS $POSTGRES_INCLUDE"
LIBS="$LIBS $POSTGRES_LIB"

#
#  There is no convenient way to detect libpqxx, so we'll
#  use fixed paths for the time being.

CXXFLAGS="$CXXFLAGS -I/usr/local/pqxx/include"
LIBS="$LIBS -L/usr/local/pqxx/lib -lpqxx"

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Checks for library functions.
AC_CHECK_FUNCS(strtod strtol strtoul)

dnl Edit this to be your web server's document root

DocumentRoot=/var/www/html

#AC_OUTPUT(Makefile src/Makefile src/lib/Makefile src/gcm_input/Makefile src/web/Makefile)
AC_OUTPUT(Makefile src/Makefile src/lib/Makefile src/gcm_input/Makefile)