X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=configure.ac;h=fc96b11f4377caff57bf30daba5699eaa7ba05c3;hb=6f5c26d4ca8c520af1905fd23cd157cf37ee1ace;hp=9d5bc079131d0c25edb918b90f2d0e079a4c5027;hpb=10c6a55939634438c5a2624fb1bb9ea86a520285;p=freeglut

diff --git a/configure.ac b/configure.ac
index 9d5bc07..fc96b11 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 
 AC_INIT([freeglut library], [2.2.0], [freeglut-bugs@lists.sourceforge.net], [freeglut])
 AM_INIT_AUTOMAKE
-AC_PREREQ([2.59])
+AC_PREREQ([2.58])
 AC_CONFIG_SRCDIR([AUTHORS])
 AC_CONFIG_HEADERS([config.h])
 
@@ -23,7 +23,7 @@ AC_SUBST([LIBXXF86VM])
 
 # Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([sys/time.h GL/gl.h GL/glu.h GL/glx.h])
+AC_CHECK_HEADERS([GL/gl.h GL/glu.h GL/glx.h fcntl.h limits.h sys/ioctl.h sys/param.h sys/time.h])
 AC_HEADER_TIME
 
 save_CFLAGS="$CFLAGS"
@@ -32,6 +32,8 @@ AC_CHECK_HEADERS([X11/extensions/xf86vmode.h], [], [], [#include <X11/Xlib.h>])
 CFLAGS="$save_CFLAGS"
 
 # Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_VPRINTF
 AC_CHECK_LIBM
 AC_SUBST([LIBM])