dnl C Compiler
dnl
+dnl prevent libtool setting LTCFLAGS to default of -g -O2 when CFLAGS unset.
+dnl libtool must be deleted with make distclean to see this fix.
+if test x"$CFLAGS" = x""; then
+ AC_SUBST(CFLAGS, [ ])
+fi
+
AC_PROG_CC
AC_PROG_LIBTOOL
PKG_PROG_PKG_CONFIG([0.17.2])
dnl X
dnl
-dah=yes
+want_double_buffer=yes
AC_ARG_ENABLE(double_buffer,
[ --enable-double-buffer enable if you want to support flicker-free operation [[default=yes]]],
- [dah="$enableval"])
+ [want_double_buffer="$enableval"])
want_xdamage=yes
AC_ARG_ENABLE(xdamage,
CFLAGS="$CFLAGS $X_CFLAGS"
LIBS="$LIBS $X_LIBS $X11_LIBS"
LDFLAGS="$LDFLAGS $LIBS $X_PRE_LIBS"
- if test "x$X_DISPLAY_MISSING" = xyes; then
+
+ if test "x$no_x" = xyes; then
AC_MSG_ERROR([something went wrong when checking for X11, you're probably missing headers or it's not installed, either re-run configure with --disable-x11, or fix this])
fi
+
+ AC_CHECK_LIB(
+ [X11], [XOpenDisplay],[],
+ AC_MSG_ERROR([Could not find XOpenDisplay in -lX11.])
+ )
+
AC_DEFINE(X11, 1, [Define if you want to use X11])
AC_DEFINE(HAVE_X11, 1, [Define if you have X11])
AM_CONDITIONAL(BUILD_X11, true)
- if test "x$dah" != xno; then
+
+ if test "x$want_double_buffer" != xno; then
AC_DEFINE(DOUBLE_BUFFER, 1, [Define if you want support for the DBE extension])
AC_CHECK_LIB(Xext, XdbeQueryExtension, [AC_DEFINE([HAVE_XDBE], 1, [Xdbe]) LIBS="$LIBS -lXext"],
[AC_MSG_ERROR([something went wrong when checking for Xdbe (double buffer extension)])])