dnl $Id: 7dc57260b78b08a46dc7f0a5b978104115f2a4f8 $
dnl 
dnl Process this file with autoconf to produce a configure script.
AC_INIT(jpegoptim.c)
AC_CONFIG_HEADER(config.h)
AC_CONFIG_AUX_DIR(tools)


AC_CANONICAL_HOST
HOST_TYPE=$host
AC_DEFINE_UNQUOTED(HOST_TYPE,"$host")

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET


AC_ARG_WITH(libjpeg, [  --with-libjpeg=DIR	  libjpeg is installed in ],
	[if test $withval != yes; then
	   	jpeginfo_cv_libjpeg=$withval
	fi
	if test -d "${jpeginfo_cv_libjpeg}/lib"; then
		LDFLAGS="-L${jpeginfo_cv_libjpeg}/lib $LDFLAGS"
		CPPFLAGS="$CPPFLAGS -I${jpeginfo_cv_libjpeg}/include"	
	else
		LDFLAGS="-L${jpeginfo_cv_libjpeg} $LDFLAGS"
		CPPFLAGS="$CPPFLAGS -I${jpeginfo_cv_libjpeg}"	
	fi])
	

dnl Checks for libraries.

AC_CHECK_LIB(jpeg, jpeg_read_header, ,[
echo "Cannot find libjpeg or you have too old version (v6 or later required)."
exit 1
])

dnl AC_CHECK_LIB(m, round)
AC_CHECK_LIB(m, floor)

dnl Checks for header files.

AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h getopt.h string.h libgen.h math.h)
AC_CHECK_HEADERS(jpeglib.h,,[
echo "Cannot find jpeglib.h  You need libjpeg v6 (or later)."
exit 1
])


dnl Checks for typedefs, structures, and compiler characteristics.

AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)



dnl Checks for library functions.
AC_CHECK_FUNCS(getopt_long, break, [GNUGETOPT="getopt.o getopt1.o"])
AC_SUBST(GNUGETOPT)

AC_CHECK_FUNCS(mkstemps)
AC_CHECK_FUNCS(labs)

dnl own tests

AC_MSG_CHECKING([for broken jmorecfg.h (METHODDEF)])
AC_CACHE_VAL(jpeginfo_cv_broken_methoddef,
[AC_TRY_RUN([
#include <stdio.h>
#include <jpeglib.h>
METHODDEF(void) foo(void) { };
int main(void)
{
  return 0;
}],
jpeginfo_cv_broken_methoddef=no,
jpeginfo_cv_broken_methoddef=yes,
jpeginfo_cv_broken_methoddef=no)])
if test $jpeginfo_cv_broken_methoddef = yes; then
  AC_DEFINE(BROKEN_METHODDEF)
fi
AC_MSG_RESULT($jpeginfo_cv_broken_methoddef)


AC_OUTPUT(Makefile)