#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.57)
AC_INIT([phptags],[0.3.0],[bogorodskiy@inbox.ru])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([src/])
AC_CONFIG_HEADER([config.h])

test x$prefix = "xNONE" && prefix="$ac_default_prefix"

# Checks for programs.
AC_PROG_CC
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_MAKE_SET
#AC_PROG_INSTALL

AC_CHECK_PROGS(sort_cmd, sort)
if test x$sort_cmd = "x"; then
	  AC_MSG_ERROR([error. sort was not found.])
fi
	 
AC_CHECK_PROGS(regex_cmd, sed)
if test x$regex_cmd = "x"; then
	  AC_MSG_ERROR([error. sed is required to build the data files.])
fi
	  
# Checks for libraries.

# Checks for header files.
#AC_HAVE_HEADERS()
AC_CHECK_HEADERS(getopt.h)

# Checks for typedefs, structures, and compiler characteristics.

# Checks for library functions.
AC_HEADER_STDC

AC_FUNC_FORK
AC_C_CONST
AC_FUNC_MALLOC
AC_CHECK_FUNCS([memset strchr memmove],, exit 1)
AC_CHECK_FUNCS([strnstr getopt_long])

DEBUG=""
AC_MSG_CHECKING([whether to include verbose debugging code])
AC_ARG_ENABLE(debug,          
	[  --enable-debug	include verbose debugging code [default=no]],
	if test x$enableval = "xyes"; then
		AC_MSG_RESULT([yes])
		DEBUG="-DDEBUG -g -Wall"
	else      
		AC_MSG_RESULT([no])
	fi,
	
	AC_MSG_RESULT([no])
)
AC_SUBST(DEBUG)
CFLAGS="$CFLAGS $DEBUG"

e_prefix=`echo $prefix | sed -e 's|NONE|/usr/local|'`
e_sysconfdir=`echo $sysconfdir | sed -e "s|\\${prefix}|$e_prefix|"`

default_config=$e_sysconfdir/phptags.conf
AC_DEFINE_UNQUOTED(PHPTAGS_DEFAULT_CONF,"$default_config")

AH_TEMPLATE([PHPTAGS_DEFAULT_CONF],
	                [Default config file.])

AC_SUBST(e_prefix)
AC_SUBST(e_sysconfdir)

AC_CONFIG_FILES([Makefile
                 man/Makefile
                 src/Makefile])
AC_OUTPUT

AC_MSG_RESULT([])
AC_MSG_RESULT([ $PACKAGE version $VERSION configured successfully.])
AC_MSG_RESULT([])
AC_MSG_RESULT([Using '$prefix' for installation.])
AC_MSG_RESULT([Using '$CC' for C compiler.])
AC_MSG_RESULT([Building with '$CFLAGS' for C compiler flags.])
AC_MSG_RESULT([])