[project @ 2003-07-20 21:28:04 by panne]
[ghc-hetmet.git] / aclocal.m4
index 5d759ed..d67dc28 100644 (file)
@@ -1,4 +1,4 @@
-dnl $Id: aclocal.m4,v 1.115 2003/03/26 12:33:11 simonmar Exp $
+dnl $Id: aclocal.m4,v 1.120 2003/07/20 16:33:24 panne Exp $
 dnl 
 dnl Extra autoconf macros for the Glasgow fptools
 dnl
 dnl 
 dnl Extra autoconf macros for the Glasgow fptools
 dnl
@@ -188,6 +188,28 @@ fi
 
 
 dnl
 
 
 dnl
+dnl Check for Greencard and version.
+dnl
+AC_DEFUN(FPTOOLS_GREENCARD,
+[
+AC_PATH_PROG(GreencardCmd,greencard)
+AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
+changequote(, )dnl
+[if test x"$GreencardCmd" != x; then
+   fptools_cv_greencard_version="`$GreencardCmd --version |
+                         grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
+else
+   fptools_cv_greencard_version=""
+fi
+changequote([, ])dnl
+])
+FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_greencard_version],-lt,$1,
+  [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])dnl
+GreencardVersion=$fptools_cv_greencard_version
+AC_SUBST(GreencardVersion)
+])
+
+dnl
 dnl Check for Happy and version.  If we're building GHC, then we need
 dnl at least Happy version 1.13.  If there's no installed Happy, we look
 dnl for a happy source tree and point the build system at that instead.
 dnl Check for Happy and version.  If we're building GHC, then we need
 dnl at least Happy version 1.13.  If there's no installed Happy, we look
 dnl for a happy source tree and point the build system at that instead.
@@ -773,11 +795,11 @@ AC_CACHE_VAL(fptools_cv_have_o_binary,
 [
 AC_LANG_SAVE
 AC_LANG_C
 [
 AC_LANG_SAVE
 AC_LANG_C
-AC_TRY_COMPILE(,
+AC_TRY_COMPILE(
 [#ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 [#ifdef HAVE_FCNTL_H
 #include <fcntl.h>
-#endif
-int x = O_BINARY;],
+#endif],
+[int x = O_BINARY;],
 fptools_cv_have_o_binary=yes,
 fptools_cv_have_o_binary=no)
 AC_LANG_RESTORE
 fptools_cv_have_o_binary=yes,
 fptools_cv_have_o_binary=no)
 AC_LANG_RESTORE
@@ -1014,9 +1036,7 @@ esac
 ])
 
 dnl ######################################################################
 ])
 
 dnl ######################################################################
-dnl Some notes about the heavily changed OpenGL test below:
-dnl  * Caching has been completely rewritten, but is still no perfect yet.
-dnl  * Version detection for GL and GLU has been added.
+dnl Note: Caching has been completely rewritten, but is still no perfect yet.
 dnl ######################################################################
 
 dnl ########################### -*- Mode: M4 -*- #######################
 dnl ######################################################################
 
 dnl ########################### -*- Mode: M4 -*- #######################
@@ -1113,9 +1133,10 @@ dnl Check for Mesa first if we were asked to.
 dnl If we are running under X11 then add in the appropriate libraries.
   if test x"$no_x" != xyes; then
 dnl Add everything we need to compile and link X programs to GL_CFLAGS
 dnl If we are running under X11 then add in the appropriate libraries.
   if test x"$no_x" != xyes; then
 dnl Add everything we need to compile and link X programs to GL_CFLAGS
-dnl and GL_X_LIBS.
+dnl and GL_X_LIBS/GLUT_X_LIBS.
     GL_CFLAGS="$CPPFLAGS $X_CFLAGS"
     GL_CFLAGS="$CPPFLAGS $X_CFLAGS"
-    GL_X_LIBS="$X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS $LIBM"
+    GL_X_LIBS="$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBM"
+    GLUT_X_LIBS="$X_LIBS $X_PRE_LIBS -lXmu -lXt -lXi -lXext -lX11 $X_EXTRA_LIBS $LIBM"
   fi
   GL_save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="$GL_CFLAGS"
   fi
   GL_save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="$GL_CFLAGS"
@@ -1123,126 +1144,9 @@ dnl and GL_X_LIBS.
   GL_save_LIBS="$LIBS"
   LIBS="$GL_X_LIBS"
 
   GL_save_LIBS="$LIBS"
   LIBS="$GL_X_LIBS"
 
-  dnl Including <GL/glut.h> instead of plain <GL/gl.h> avoids problems on
-  dnl platforms like WinDoze where special headers like <windows.h> or
-  dnl some macro trickery would be needed
-  FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glEnd, $GL_search_list, have_GL=yes, have_GL=no)
-
-  dnl TODO: The tests for GL features should better be cascaded and the
-  dnl results should be cached. A new macro would be helpful here.
-
-  AC_MSG_CHECKING(glTexSubImage1D)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glTexSubImage1D(GL_TEXTURE_1D,0,0,2,GL_INTENSITY,GL_BYTE,(void*)0)],
-              fptools_gl_texsubimage1d=yes,
-              fptools_gl_texsubimage1d=no);
-  AC_MSG_RESULT($fptools_gl_texsubimage1d)
-
-  AC_MSG_CHECKING(glDrawRangeElements)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glDrawRangeElements(GL_QUADS,0,0,0,GL_UNSIGNED_BYTE,(void*)0)],
-              fptools_gl_drawrangeelements=yes,
-              fptools_gl_drawrangeelements=no);
-  AC_MSG_RESULT($fptools_gl_drawrangeelements)
-
-  AC_MSG_CHECKING(glActiveTexture)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glActiveTexture(GL_TEXTURE1)],
-              fptools_gl_activetexture=yes,
-              fptools_gl_activetexture=no);
-  AC_MSG_RESULT($fptools_gl_activetexture)
-
-  AC_MSG_CHECKING(glMultiDrawArrays)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glMultiDrawArrays(GL_TRIANGLES, (GLint*)0, (GLsizei*)0, 0)],
-              fptools_gl_multidrawarrays=yes,
-              fptools_gl_multidrawarrays=no);
-  AC_MSG_RESULT($fptools_gl_multidrawarrays)
-
-  if test x"$fptools_gl_texsubimage1d" != xyes; then
-    fptools_gl_version=1.0
-  else
-     if test x"$fptools_gl_drawrangeelements" != xyes; then
-        fptools_gl_version=1.1
-     else
-       if test x"$fptools_gl_activetexture" != xyes; then
-          fptools_gl_version=1.2
-       else
-         if test x"$fptools_gl_multidrawarrays" != xyes; then
-            fptools_gl_version=1.3
-         else
-            fptools_gl_version=1.4
-         fi
-       fi
-     fi
-  fi
-  echo "It looks like GL version ${fptools_gl_version}"
-
-  dnl TODO: Cache the results of the tests for the imaging subset.
-
-  AC_MSG_CHECKING(EXT_blend_color)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glBlendColorEXT((GLclampf)0.0,(GLclampf)0.0,(GLclampf)0.0,(GLclampf)0.0)],
-              hopengl_EXT_blend_color=yes,
-              hopengl_EXT_blend_color=no);
-  AC_MSG_RESULT($hopengl_EXT_blend_color)
-
-  AC_MSG_CHECKING(EXT_blend_minmax)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glBlendEquationEXT(GL_FUNC_ADD_EXT)],
-              hopengl_EXT_blend_minmax=yes,
-              hopengl_EXT_blend_minmax=no);
-  AC_MSG_RESULT($hopengl_EXT_blend_minmax)
-
-  AC_MSG_CHECKING(EXT_blend_subtract)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [glBlendEquationEXT(GL_FUNC_SUBTRACT_EXT)],
-              hopengl_EXT_blend_subtract=yes,
-              hopengl_EXT_blend_subtract=no);
-  AC_MSG_RESULT($hopengl_EXT_blend_subtract)
-
-  FPTOOLS_SEARCH_LIBS([#include <GL/glu.h>], gluNewQuadric, $GLU_search_list, have_GLU=yes,  have_GLU=no)
-
-  dnl TODO: Cascade and cache...
-
-  AC_MSG_CHECKING(gluGetString)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [gluGetString(GLU_EXTENSIONS)],
-              fptools_glu_getstring=yes,
-              fptools_glu_getstring=no);
-  AC_MSG_RESULT($fptools_glu_getstring)
-
-  AC_MSG_CHECKING(gluTessEndPolygon)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [gluTessEndPolygon((GLUtesselator*)0)],
-              fptools_glu_tessendpolygon=yes,
-              fptools_glu_tessendpolygon=no);
-  AC_MSG_RESULT($fptools_glu_tessendpolygon)
-
-  AC_MSG_CHECKING(gluUnProject4)
-  AC_TRY_LINK([#include <GL/glut.h>],
-              [gluUnProject4(0.0,0.0,0.0,0.0,(GLdouble*)0,(GLdouble*)0,(GLint*)0,0.0,0.0,(GLdouble*)0,(GLdouble*)0,(GLdouble*)0,(GLdouble*)0)],
-              fptools_glu_unproject4=yes,
-              fptools_glu_unproject4=no);
-  AC_MSG_RESULT($fptools_glu_unproject4)
-
-  if test x"$fptools_glu_getstring" != xyes; then
-    fptools_glu_version=1.0
-  else
-     if test x"$fptools_glu_tessendpolygon" != xyes; then
-        fptools_glu_version=1.1
-     else
-       if test x"$fptools_glu_unproject4" != xyes; then
-          fptools_glu_version=1.2
-       else
-            fptools_glu_version=1.3
-       fi
-     fi
-  fi
-  echo "It looks like GLU version ${fptools_glu_version}"
-
+  FPTOOLS_SEARCH_LIBS([#include <GL/gl.h>],   glEnd,         $GL_search_list,  have_GL=yes,   have_GL=no)
+  FPTOOLS_SEARCH_LIBS([#include <GL/glu.h>],  gluNewQuadric, $GLU_search_list, have_GLU=yes,  have_GLU=no)
   FPTOOLS_SEARCH_LIBS([#include <GL/glx.h>],  glXWaitX,      $GLX_search_list, have_GLX=yes,  have_GLX=no)
   FPTOOLS_SEARCH_LIBS([#include <GL/glx.h>],  glXWaitX,      $GLX_search_list, have_GLX=yes,  have_GLX=no)
-  FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glutMainLoop,  glut32 glut,      have_glut=yes, have_glut=no)
 
   if test -n "$LIBS"; then
     GL_LIBS="$LDFLAGS $LIBS"
 
   if test -n "$LIBS"; then
     GL_LIBS="$LDFLAGS $LIBS"
@@ -1251,16 +1155,28 @@ dnl and GL_X_LIBS.
     GL_CFLAGS=
   fi
 
     GL_CFLAGS=
   fi
 
+  LIBS="$GLUT_X_LIBS"
+
+  FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glutMainLoop,  glut32 glut,      have_glut=yes, have_glut=no)
+
+  if test -n "$LIBS"; then
+    GLUT_LIBS="$LDFLAGS $LIBS"
+  fi
+
   AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"])
   GL_CFLAGS="$mdl_cv_gl_cflags"
   AC_SUBST(GL_CFLAGS)
   AC_CACHE_CHECK([OpenGL libs],  mdl_cv_gl_libs,   [mdl_cv_gl_libs="$GL_LIBS"])
   GL_LIBS="$mdl_cv_gl_libs"
   AC_SUBST(GL_LIBS)
   AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"])
   GL_CFLAGS="$mdl_cv_gl_cflags"
   AC_SUBST(GL_CFLAGS)
   AC_CACHE_CHECK([OpenGL libs],  mdl_cv_gl_libs,   [mdl_cv_gl_libs="$GL_LIBS"])
   GL_LIBS="$mdl_cv_gl_libs"
   AC_SUBST(GL_LIBS)
+  AC_CACHE_CHECK([GLUT libs],  mdl_cv_glut_libs,   [mdl_cv_glut_libs="$GLUT_LIBS"])
+  GLUT_LIBS="$mdl_cv_glut_libs"
+  AC_SUBST(GLUT_LIBS)
 
 
-dnl Reset GL_X_LIBS regardless, since it was just a temporary variable
+dnl Reset GL_X_LIBS/GLUT_X_LIBS regardless, since they were just temporary variables
 dnl and we don't want to be global namespace polluters.
   GL_X_LIBS=
 dnl and we don't want to be global namespace polluters.
   GL_X_LIBS=
+  GLUT_X_LIBS=
 
   LIBS="$GL_save_LIBS"
   CPPFLAGS="$GL_save_CPPFLAGS"
 
   LIBS="$GL_save_LIBS"
   CPPFLAGS="$GL_save_CPPFLAGS"