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Autoconf Macro: ax_check_glu
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<h1>
ax_check_glu
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AX_CHECK_GLU</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Check for GLU. If GLU is found, the required preprocessor and linker flags
are included in the output variables "GLU_CFLAGS" and "GLU_LIBS",
respectively. This macro adds the configure option
"--with-apple-opengl-framework", which users can use to indicate that
Apple's OpenGL framework should be used on Mac OS X. If Apple's OpenGL
framework is used, the symbol "HAVE_APPLE_OPENGL_FRAMEWORK" is defined. If
no GLU implementation is found, "no_glu" is set to "yes".
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Braden McDaniel <braden@endoframe.com>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2004-11-15
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AX_CHECK_GLU],
[AC_REQUIRE([AX_CHECK_GL])dnl
AC_REQUIRE([AC_PROG_CXX])dnl
GLU_CFLAGS="${GL_CFLAGS}"
if test "X${with_apple_opengl_framework}" != "Xyes"; then
AC_CACHE_CHECK([for OpenGL Utility library], [ax_cv_check_glu_libglu],
[ax_cv_check_glu_libglu="no"
ax_save_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="${GL_CFLAGS} ${CPPFLAGS}"
ax_save_LIBS="${LIBS}"
LIBS=""
ax_check_libs="-lglu32 -lGLU"
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} ${GL_LIBS} ${ax_save_LIBS}"
#
# libGLU typically links with libstdc++ on POSIX platforms. However,
# setting the language to C++ means that test program source is named
# "conftest.cc"; and Microsoft cl doesn't know what to do with such a
# file.
#
AC_LANG_PUSH([C++])
if test X$ax_compiler_ms = Xyes; then
AC_LANG_PUSH([C])
fi
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
# if HAVE_WINDOWS_H && defined(_WIN32)
# include <windows.h>
# endif
# include <GL/glu.h>]],
[[gluBeginCurve(0)]])],
[ax_cv_check_glu_libglu="${ax_try_lib}"; break])
if test X$ax_compiler_ms = Xyes; then
AC_LANG_POP([C])
fi
AC_LANG_POP([C++])
done
LIBS=${ax_save_LIBS}
CPPFLAGS=${ax_save_CPPFLAGS}])
if test "X${ax_cv_check_glu_libglu}" = "Xno"; then
no_glu="yes"
GLU_CFLAGS=""
GLU_LIBS=""
else
GLU_LIBS="${ax_cv_check_glu_libglu} ${GL_LIBS}"
fi
fi
AC_SUBST([GLU_CFLAGS])
AC_SUBST([GLU_LIBS])
])
</pre>
</div>
<h2>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2004 Braden McDaniel
<braden@endoframe.com></span>
<p>
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and
this notice are preserved.
</p>
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