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ax/
ax_check_glut.m4 (
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dnl @synopsis AX_CHECK_GLUT
dnl
dnl Check for GLUT. If GLUT is found, the required compiler and linker
dnl flags are included in the output variables "GLUT_CFLAGS" and
dnl "GLUT_LIBS", respectively. This macro adds the configure option
dnl "--with-apple-opengl-framework", which users can use to indicate
dnl that Apple's OpenGL framework should be used on Mac OS X. If
dnl Apple's OpenGL framework is used, the symbol
dnl "HAVE_APPLE_OPENGL_FRAMEWORK" is defined. If GLUT is not found,
dnl "no_glut" is set to "yes".
dnl
dnl @category InstalledPackages
dnl @author Braden McDaniel <braden@endoframe.com>
dnl @version 2004-11-15
dnl @license AllPermissive
AC_DEFUN([AX_CHECK_GLUT],
[AC_REQUIRE([AX_CHECK_GLU])dnl
AC_REQUIRE([AC_PATH_XTRA])dnl
if test "X$with_apple_opengl_framework" = "Xyes"; then
GLUT_CFLAGS="${GLU_CFLAGS}"
GLUT_LIBS="-framework GLUT -lobjc ${GL_LIBS}"
else
GLUT_CFLAGS=${GLU_CFLAGS}
GLUT_LIBS=${GLU_LIBS}
#
# If X is present, assume GLUT depends on it.
#
# if test "X${no_x}" != "Xyes"; then
# GLUT_LIBS="${X_PRE_LIBS} -lXmu -lXi ${X_EXTRA_LIBS} ${GLUT_LIBS}"
# fi
AC_LANG_PUSH(C)
ax_save_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="${GLUT_CFLAGS} ${CPPFLAGS}"
AC_CACHE_CHECK([for GLUT library], [ax_cv_check_glut_libglut],
[ax_cv_check_glut_libglut="no"
ax_save_LIBS="${LIBS}"
LIBS=""
ax_check_libs="-lglut32 -lglut"
for ax_lib in ${ax_check_libs}; do
if test X$ax_compiler_ms = Xyes; then
ax_try_lib=`echo $ax_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
else
ax_try_lib="${ax_lib}"
fi
LIBS="${ax_try_lib} ${GLUT_LIBS} ${ax_save_LIBS}"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
# if HAVE_WINDOWS_H && defined(_WIN32)
# include <windows.h>
# endif
# include <GL/glut.h>]],
[[glutMainLoop()]])],
[ax_cv_check_glut_libglut="${ax_try_lib}"; break])
done
LIBS=${ax_save_LIBS}
])
CPPFLAGS="${ax_save_CPPFLAGS}"
AC_LANG_POP(C)
if test "X${ax_cv_check_glut_libglut}" = "Xno"; then
no_glut="yes"
GLUT_CFLAGS=""
GLUT_LIBS=""
else
GLUT_LIBS="${ax_cv_check_glut_libglut} ${GLUT_LIBS}"
fi
fi
AC_SUBST([GLUT_CFLAGS])
AC_SUBST([GLUT_LIBS])
])dnl
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