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# Process this file with autoconf to produce a configure script.
AC_INIT([freeglut library], [2.6.0], [freeglut-bugs@lists.sourceforge.net], [freeglut])
AM_INIT_AUTOMAKE
AC_PREREQ([2.56])
AC_CONFIG_SRCDIR([AUTHORS])
AC_CONFIG_HEADERS([config.h])
# Compatibility hack for older autoconf versions
m4_ifdef([AS_HELP_STRING], [], [AC_DEFUN([AS_HELP_STRING], [AC_HELP_STRING($][@)])])
# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
AC_C_CONST
AC_EXEEXT
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
AC_SUBST([LIBTOOL_DEPS])
# Checks for libraries.
AC_PATH_XTRA
if test x"$no_x" = xyes; then
GL_LIBS="-lopengl32 -lgdi32 -lwinmm"
LIBXXF86VM=
LIBXI=
VERSION_INFO=
EXPORT_FLAGS="-DFREEGLUT_EXPORTS"
else
GL_LIBS="-lGL -lXext -lX11"
AC_CHECK_LIB([Xxf86vm], [XF86VidModeSwitchToMode],
[LIBXXF86VM=-lXxf86vm], [LIBXXF86VM=],
[$X_LIBS -lXext -lX11])
LIBXI=-lXi
VERSION_INFO="-version-info 12:0:9"
EXPORT_FLAGS=
fi
AC_SUBST([GL_LIBS])
AC_SUBST([LIBXXF86VM])
AC_SUBST([LIBXI])
AC_SUBST([VERSION_INFO])
AC_SUBST([EXPORT_FLAGS])
# Checks for header files.
AC_HEADER_STDC
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
AC_CHECK_HEADERS([GL/gl.h GL/glu.h GL/glx.h fcntl.h limits.h sys/ioctl.h sys/param.h sys/time.h])
AC_HEADER_TIME
AC_CHECK_HEADERS([X11/extensions/xf86vmode.h], [], [], [#include <X11/Xlib.h>])
AC_CHECK_HEADERS([X11/extensions/XI.h X11/extensions/XInput.h])
CPPFLAGS="$save_CPPFLAGS"
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_VPRINTF
AC_CHECK_LIBM
AC_SUBST([LIBM])
AC_CHECK_FUNCS([gettimeofday])
# Build time configuration.
AC_ARG_ENABLE([replace-glut],
[AS_HELP_STRING([--enable-replace-glut],
[be a replacement for GLUT @<:@default=yes@:>@])])
if test "x$enable_replace_glut" != xno; then
LIBRARY=glut
HEADER=glut.h
else
LIBRARY=freeglut
HEADER=
fi
AC_SUBST([LIBRARY])
AC_SUBST([HEADER])
AC_ARG_ENABLE([warnings],
[AS_HELP_STRING([--enable-warnings],
[use all gcc compiler warnings @<:@default=yes@:>@])])
if test "x$enable_warnings" != xno -a "x$GCC" = xyes; then
CFLAGS="$CFLAGS -Wall -pedantic"
fi
AC_ARG_ENABLE([warnings-as-errors],
[AS_HELP_STRING([--enable-warnings-as-errors],
[make all warnings into errors @<:@default=no@:>@])])
if test "x$enable_warnings_as_errors" = xyes -a "x$GCC" = xyes; then
CFLAGS="$CFLAGS -Werror"
fi
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[enable debugging code (for developers) @<:@default=no@:>@])])
if test "x$enable_debug" = xyes; then
AC_DEFINE([_DEBUG], [1], [Define to 1 if you want to include debugging code.])
fi
# Generate output.
AC_CONFIG_FILES([Makefile doc/Makefile include/GL/Makefile include/Makefile progs/Makefile progs/demos/CallbackMaker/Makefile progs/demos/Fractals/Makefile progs/demos/Fractals_random/Makefile progs/demos/Lorenz/Makefile progs/demos/Makefile progs/demos/One/Makefile progs/demos/shapes/Makefile progs/demos/smooth_opengl3/Makefile src/Makefile])
AC_OUTPUT
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