dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.13)
AC_INIT(source/qfcc.c)
AC_REVISION($Revision$) dnl
AM_CONFIG_HEADER(include/config.h)
AC_CANONICAL_SYSTEM

dnl Every other copy of the package version number gets its value from here
AM_INIT_AUTOMAKE(qfcc, 0.1.0)

AC_SUBST(VERSION)

ISODATE=`date +%Y-%m-%d`
AC_SUBST(ISODATE)

AC_LANG_C

dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_CPP
AC_PROG_YACC
AM_PROG_LEX

CPP_NAME=$ac_cv_prog_CPP
AC_DEFINE_UNQUOTED(CPP_NAME, "$CPP_NAME")

dnl We want warnings, lots of warnings...
if test "x$GCC" = xyes; then
	CFLAGS="$CFLAGS -Wall -Werror"
	#   CFLAGS="$CFLAGS -Wall -pedantic"
fi

dnl Checks for libraries.
AC_CHECK_LIB(z, gztell,,
)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(process.h string.h strings.h fcntl.h sys/stat.h sys/types.h sys/wait.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_ARG_ENABLE(profile,
	[  --enable-profile        compile with profiling (for development)],
	profile=$enable_profile
)
if test "x$profile" = xyes; then
	BUILD_TYPE="$BUILD_TYPE Profile"
	if test "x$GCC" = xyes; then
		CFLAGS="`echo $CFLAGS | sed -e 's/-fomit-frame-pointer//g'` -pg"
		LDFLAGS="$LDFLAGS -pg"
	else
		CFLAGS="$CFLAGS -p"
	fi
fi

AC_DEFINE_UNQUOTED(PATH_SEPARATOR, '/')

dnl Checks for library functions.

AC_CHECK_FUNCS(snprintf _snprintf vsnprintf _vsnprintf)

AC_MSG_CHECKING(for timeGetTime in -lwinmm)
save_LIBS="$LIBS"
LIBS="$LIBS -lwinmm"
AC_TRY_COMPILE(
	[#include <windows.h>],
	[timeGetTime ();],
	AC_MSG_RESULT(yes),
	LIBS="$save_LIBS"
	AC_MSG_RESULT(no)
)

AC_ARG_WITH(qf,
[  --with-qf=DIR           location of QF libs and headers (prefix)],
	if test "x$withval" != xyes ; then
		LDFLAGS="$LDFLAGS -L${withval}/lib"
		CFLAGS="$CFLAGS -I${withval}/include"
	fi
	,
	HAVE_QF=auto
)
AC_MSG_CHECKING(for QF/qtypes.h)
AC_TRY_COMPILE(
	[#include "QF/qtypes.h"],
	[qboolean foo = false;
	 foo = true;],
	AC_MSG_RESULT(yes),
	AC_MSG_RESULT(no)
	HAVE_QF=no
)
if test "x$HAVE_QF" != xno; then
	AC_CHECK_LIB(QFutil, Hash_NewTable,
	:, HAVE_QF=no,
		[]
	)
fi
if test "x$HAVE_QF" != xno; then
	AC_CHECK_LIB(QFgamecode, PR_Opcode,
	:, HAVE_QF=no,
		[-lQFutil]
	)
fi

AC_ARG_ENABLE(cpp,
	[  --enable-cpp            Enable use of the C preprocessor.],
	AC_DEFINE(USE_CPP)
)

if test "x$HAVE_QF" = xno; then
	echo '***'
	echo '*** You seem to not have the QuakeForge libs & headers installed'
	echo '***'
	exit 1
fi

AC_OUTPUT(
	doc/man/Makefile
	doc/Makefile
	include/Makefile
	source/Makefile
	Makefile
	qfcc.lsm
)