# get rid of that stupid cache mechanism
rm -f config.cache

AC_INIT(configure.in)
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_ISC_POSIX
AM_INIT_AUTOMAKE(eet, 0.9.10.041)
AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC
AC_C_CONST
AM_ENABLE_SHARED
AM_PROG_LIBTOOL
AC_FUNC_ALLOCA

AC_CHECK_HEADER(zlib.h,, AC_MSG_ERROR("Cannot find zlib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"))
AC_CHECK_HEADER(jpeglib.h,, AC_MSG_ERROR("Cannot find jpeglib.h. Make sure your CFLAGS environment variable contains include lines for the location of this file"))

AC_CHECK_HEADERS(netinet/in.h)

winsock_libs=""
create_shared_lib=""
case "$host_os" in
	mingw|mingw32)
		winsock_libs="-lwsock32"
		create_shared_lib="-no-undefined "
		;;
esac

AC_SUBST(winsock_libs)
AC_SUBST(create_shared_lib)

AC_CHECK_HEADER(fnmatch.h,, AC_MSG_ERROR([Cannot find fnmatch.h. Make sure your CFLAGS environment variable contains include lines for the location of this file. MinGW users: see the INSTALL file]))

fnmatch_libs=""
AC_CHECK_FUNCS(fnmatch, res=yes, res=no)
if test "x$res" = "xno"; then
	AC_CHECK_LIB(fnmatch, fnmatch, res=yes fnmatch_libs="-lfnmatch", res=no)
dnl Test for compilation with MinGW.
dnl fnmatch function is in the libiberty library
	if test "x$res" = "xno"; then
		AC_CHECK_LIB(iberty, fnmatch, res=yes fnmatch_libs="-liberty", res=no)
	fi
	if test "x$res" = "xno"; then
		AC_MSG_ERROR([Cannot find fnmatch() in neither libc nor libfnmatch, nor libiberty])
	fi
fi

AC_SUBST(fnmatch_libs)

dnl These are needed for fmemopen/open_memstream
AC_DEFINE(_GNU_SOURCE, , [Enable GNU extensions])
AC_DEFINE(__USE_GNU, , [Enable GNU extensions])

AC_CHECK_FUNCS(fmemopen open_memstream realpath)

dnl Check whether the null pointer is zero on this arch
AC_MSG_CHECKING([value of the null pointer])
AC_TRY_RUN([
#include <stdlib.h>
int main (int argc, char **argv) {
  void *foo = NULL;
  int bar = (int)foo;
  return (int)foo;
}
], AC_MSG_RESULT([yes]), [
	AC_MSG_RESULT([no])
	AC_MSG_WARN([Your system is a bit too funny, eet might not work properly])
], AC_MSG_WARN([Cannot check when cross-compiling -- assuming null is okay])
)

if test "x${bindir}" = 'xNONE'; then
  if test "x${prefix}" = "xNONE"; then
    PACKAGE_BIN_DIR="${ac_default_prefix}/bin"
  else
    PACKAGE_BIN_DIR="${prefix}/bin"
  fi
else
  PACKAGE_BIN_DIR="${bindir}"
fi
AC_SUBST(PACKAGE_BIN_DIR)

if test "x${libdir}" = 'xNONE'; then
  if test "x${prefix}" = "xNONE"; then
    PACKAGE_LIB_DIR="${ac_default_prefix}/lib"
  else
    PACKAGE_LIB_DIR="${prefix}/lib"
  fi
else
  PACKAGE_LIB_DIR="${libdir}"
fi
AC_SUBST(PACKAGE_LIB_DIR)

if test "x${prefix}" = "xNONE"; then
  PACKAGE_DATA_DIR="${ac_default_prefix}/share/${PACKAGE}"
else
  PACKAGE_DATA_DIR="${prefix}/share/${PACKAGE}"
fi
AC_SUBST(PACKAGE_DATA_DIR)

#AM_CHECK_DOXYGEN()

AC_OUTPUT([
Makefile
eet.pc
eet.c
src/Makefile
src/lib/Makefile
src/bin/Makefile
README
eet.spec
debian/changelog
])


#####################################################################
## Info

echo
echo
echo
echo "------------------------------------------------------------------------"
echo "$PACKAGE $VERSION"
echo "------------------------------------------------------------------------"
echo
echo "Configuration Options Summary:"
echo
#echo "  Build documentation..: $BUILD_DOCS"
#echo
echo "  Compilation..........: make"
echo
echo "  Installation.........: make install"
echo
echo "    prefix.............: $prefix"
#echo "    documentation..: $datadir/$PACKAGE/doc"
echo