AC_PREREQ([2.69])
AC_INIT([Bip IRC Proxy],[0.9.0-rc3-git],[http://bip.milkypond.org/projects/bip/activity],[bip],[http://bip.milkypond.org/])
AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror])
AM_MAINTAINER_MODE

AC_CONFIG_HEADERS([src/config.h])

# Checks for programs
AC_PROG_CC
AM_PROG_AR
AC_PROG_RANLIB
AC_PROG_INSTALL
AM_PROG_LEX
AC_PROG_YACC
m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([Please install pkg-config.])])
PKG_PROG_PKG_CONFIG

# Deal with parameters
AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [Enable debug build]))
AC_ARG_WITH([openssl], AS_HELP_STRING([--without-openssl],
  [Disable SSL using OpenSSL]))
AC_ARG_ENABLE([oidentd], AS_HELP_STRING([--enable-oidentd],
  [Enable oidentd support (bip overwrites ~/.oidentd.conf with this on!)]))
AC_ARG_ENABLE([pie], AS_HELP_STRING([--disable-pie],
  [Do not build a position independent executable]))

AM_CONDITIONAL(DEBUG, test x$enable_debug = xyes)
AS_IF([test "x$enable_debug" = "xyes"], [
	AC_CHECK_FUNC(backtrace_symbols_fd, [
		AC_DEFINE(HAVE_BACKTRACE, [], [Use glibc backtrace on fatal()])
		LDFLAGS="-rdynamic $LDFLAGS"
		backtrace="(with backtrace)"
	])
], [
	enable_debug=no
])

AM_CONDITIONAL(OIDENTD, test x$enable_identd = xyes)
AS_IF([test "x$enable_oidentd" = "xyes"], [
	AC_DEFINE([HAVE_OIDENTD], [], [Have bip edit ~/.oidentd.conf])
], [
    	enable_oidentd=no
])

PKG_CHECK_MODULES(OPENSSL, [libssl >= 0.9.8 libcrypto >= 0.9.8], [with_openssl=yes], [with_openssl=no])

AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [
	save_CFLAGS=$CFLAGS
	save_LDFLAGS=$LDFLAGS
	CFLAGS="$CFLAGS -fPIE"
	LDFLAGS="$LDFLAGS -pie"
	AC_RUN_IFELSE([AC_LANG_SOURCE([[static int foo[30000]; int main () { return 0; }]])],
		[ap_cv_cc_pie=yes],
		[ap_cv_cc_pie=no],
		[ap_cv_cc_pie=yes]
	)
	CFLAGS=$save_CFLAGS
	LDFLAGS=$save_LDFLAGS
])
if test "$ap_cv_cc_pie" = "yes"; then
	CFLAGS="$CFLAGS -fPIE"
	LDFLAGS="$LDFLAGS -pie"
	enable_pie=yes
fi

PKG_CHECK_MODULES([CHECK], [check >= 0.9.6], [
		   AC_CONFIG_FILES([tests/Makefile])
		   enable_tests=yes
		   ], [ enable_tests=no ])


AC_CONFIG_FILES([Makefile src/Makefile])
AC_OUTPUT

AS_IF([test "x$with_openssl" != "xno"], [
echo OPENSSL: yes
])
echo DEBUG: $enable_debug $backtrace
echo OIDENTD: $enable_oidentd
echo PIE: $enable_pie
echo TESTS: $enable_tests