ax_check_gl*: drop trailing whitespacev2016.03.20

3 files changed, 16 insertions, 16 deletions

diff --git a/m4/ax_check_gl.m4 b/m4/ax_check_gl.m4
index c854c5a..e59b012 100644
--- a/m4/ax_check_gl.m4
+++ b/m4/ax_check_gl.m4
@@ -85,7 +85,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 18
+#serial 19
 
 # example gl program
 m4_define([_AX_CHECK_GL_PROGRAM],
@@ -131,7 +131,7 @@ AC_DEFUN([_AX_CHECK_GL_SAVE_FLAGS], [
 ])
 
 # _AX_CHECK_GL_RESTORE_FLAGS(LIST-OF-FLAGS)
-# Use this marcro to restore the flags you saved using 
+# Use this marcro to restore the flags you saved using
 # _AX_CHECK_GL_SAVE_FLAGS
 #
 # Example: _AX_CHECK_GL_RESTORE_FLAGS([[CFLAGS],[LIBS]]) expands to
@@ -209,7 +209,7 @@ AC_DEFUN([_AX_CHECK_GL_MANUAL_LIBS_GENERIC], [
 AC_DEFUN_ONCE([_WITH_XQUARTZ_GL],[
   AC_ARG_WITH([xquartz-gl],
    [AS_HELP_STRING([--with-xquartz-gl@<:@=DIR@:>@],
-                   [On Mac OSX, use opengl provided by X11/XQuartz instead of the built-in framework. 
+                   [On Mac OSX, use opengl provided by X11/XQuartz instead of the built-in framework.
                     If enabled, the default location is @<:@DIR=/opt/X11@:>@.
                     This option is default to false.])],
    [AS_IF([test "X$with_xquartz_gl"="Xyes"],
@@ -230,7 +230,7 @@ AC_DEFUN_ONCE([_WITH_XQUARTZ_GL],[
 ])
 
 # OSX specific setup for OpenGL check
-AC_DEFUN([_AX_CHECK_DARWIN_GL], [ 
+AC_DEFUN([_AX_CHECK_DARWIN_GL], [
  AC_REQUIRE([_WITH_XQUARTZ_GL])
  AS_IF([test "x$with_xquartz_gl" != "xno"],
        [GL_LIBS="${GL_LIBS:--lGL}"],
@@ -256,7 +256,7 @@ AC_DEFUN([AX_CHECK_GL],
  AC_REQUIRE([PKG_PROG_PKG_CONFIG])
  AC_ARG_VAR([GL_CFLAGS],[C compiler flags for GL, overriding configure script defaults])
  AC_ARG_VAR([GL_LIBS],[Linker flags for GL, overriding configure script defaults])
- 
+
  dnl --with-gl or not can be implemented outside of check-gl
  AS_CASE([${host}],
          [*-darwin*],[_AX_CHECK_DARWIN_GL],
@@ -286,7 +286,7 @@ AC_DEFUN([AX_CHECK_GL],
        [no_gl=yes])
  AS_IF([test "X$no_gl" = "X"],
    [AC_DEFINE([HAVE_GL], [1], [Defined if a valid OpenGL implementation is found.])
-    m4_ifval([$1], 
+    m4_ifval([$1],
       [$1],
       [CFLAGS="$GL_CFLAGS $CFLAGS"
        LIBS="$GL_LIBS $LIBS"])
diff --git a/m4/ax_check_glu.m4 b/m4/ax_check_glu.m4
index be9e7fe..2727daf 100644
--- a/m4/ax_check_glu.m4
+++ b/m4/ax_check_glu.m4
@@ -85,7 +85,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 19
+#serial 20
 
 # exemple program
 m4_define([_AX_CHECK_GLU_PROGRAM],
@@ -153,7 +153,7 @@ AC_DEFUN([_AX_CHECK_GLU_SAVE_FLAGS], [
 ])
 
 # _AX_CHECK_GLU_RESTORE_FLAGS(LIST-OF-FLAGS)
-# Use this marcro to restore the flags you saved using 
+# Use this marcro to restore the flags you saved using
 # _AX_CHECK_GLU_SAVE_FLAGS
 #
 # Example: _AX_CHECK_GLU_RESTORE_FLAGS([[CFLAGS],[LIBS]]) expands to
@@ -207,7 +207,7 @@ AC_DEFUN([AX_CHECK_GLU],[
   AC_REQUIRE([PKG_PROG_PKG_CONFIG])
   AC_ARG_VAR([GLU_CFLAGS],[C compiler flags for GLU, overriding system check])
   AC_ARG_VAR([GLU_LIBS],[Linker flags for GLU, overriding system check])
- 
+
   dnl Setup GLU_CFLAGS and GLU_LIBS
   AS_CASE([${host}],
           [*-darwin*],[_AX_CHECK_DARWIN_GLU],
@@ -223,13 +223,13 @@ AC_DEFUN([AX_CHECK_GLU],[
           ])
 
   AS_CASE([$host],
-          [*-darwin*], 
+          [*-darwin*],
             [AS_IF([test "X$with_xquartz_gl" = "Xno"],
                    [_AX_CHECK_GLU_HEADERS([OpenGL/glu.h])],
                    [_AX_CHECK_GLU_HEADERS([GL/glu.h])]
                    )],
           [_AX_CHECK_GLU_HEADERS([GL/glu.h])])
-  
+
   dnl compile test
   AS_IF([test "X$ax_check_glu_have_headers" = "Xyes"],
         [AC_CACHE_CHECK([for compiling a minimal OpenGL Utility (GLU) program],
@@ -251,7 +251,7 @@ AC_DEFUN([AX_CHECK_GLU],[
                                         [ax_cv_check_glu_link="no"])
                          _AX_CHECK_GLU_RESTORE_FLAGS([[CFLAGS],[LIBS]])])
         ])
-  
+
 #
 # Some versions of Mac OS X include a broken interpretation of the GLU
 # tesselation callback function signature.
@@ -267,7 +267,7 @@ AC_DEFUN([AX_CHECK_GLU],[
               [AC_DEFINE([HAVE_VARARGS_GLU_TESSCB], [1],
                          [Use nonstandard varargs form for the GLU tesselator callback])])
         ])
-  
+
   dnl hook
   AS_IF([test "X$ax_cv_check_glu_link" = "Xyes"],
         [AC_DEFINE([HAVE_GLU],[1],[Defined if a valid GLU implementation is found.])
diff --git a/m4/ax_check_glut.m4 b/m4/ax_check_glut.m4
index 75addb7..ed576a3 100644
--- a/m4/ax_check_glut.m4
+++ b/m4/ax_check_glut.m4
@@ -80,7 +80,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 15
+#serial 16
 
 AC_DEFUN([_AX_CHECK_GLUT_SAVE_FLAGS], [
  AX_SAVE_FLAGS_WITH_PREFIX([GLUT],[$1]) dnl defined in ax_check_gl
@@ -149,7 +149,7 @@ AC_DEFUN([AX_CHECK_GLUT],
  AC_REQUIRE([_WITH_XQUARTZ_GL])
  AC_ARG_VAR([GLUT_CFLAGS],[C compiler flags for GLUT, overriding configure script defaults])
  AC_ARG_VAR([GLUT_LIBS],[Linker flags for GLUT, overriding configure script defaults])
- 
+
  AS_CASE([${host}],
          [*-darwin*],[AS_IF([test "x$with_xquartz_gl" != "xno"],
                             [GLUT_LIBS="${GLUT_LIBS:--lGLUT}"],
@@ -196,7 +196,7 @@ AC_DEFUN([AX_CHECK_GLUT],
  dnl hook
  AS_IF([test "X$ax_cv_check_glut_link" = "Xyes"],
    [AC_DEFINE([HAVE_GLUT], [1], [Defined if a valid GLUT implementation is found])
-    m4_ifval([$1], 
+    m4_ifval([$1],
      [$1],
      [CFLAGS="$GLUT_CFLAGS $CFLAGS"
       LIBS="$GLUT_LIBS $LIBS"])