-int
-main ()
-{
- int major, minor, micro;
- char *tmp_version;
-
- system ("touch conf.gtktest");
-
- /* HP/UX 9 (%@#!) writes to sscanf strings */
- tmp_version = g_strdup("$min_gtk_version");
- if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
- printf("%s, bad version string\n", "$min_gtk_version");
- exit(1);
- }
-
- if ((gtk_major_version != $gtk_config_major_version) ||
- (gtk_minor_version != $gtk_config_minor_version) ||
- (gtk_micro_version != $gtk_config_micro_version))
- {
- printf("\n*** 'gtk-config-2.0 --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
- $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
- gtk_major_version, gtk_minor_version, gtk_micro_version);
- printf ("*** was found! If gtk-config-2.0 was correct, then it is best\n");
- printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
- printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
- printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
- printf("*** required on your system.\n");
- printf("*** If gtk-config-2.0 was wrong, set the environment variable GTK_CONFIG_2_0\n");
- printf("*** to point to the correct copy of gtk-config-2.0, and remove the file config.cache\n");
- printf("*** before re-running configure\n");
- }
-#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
- else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
- (gtk_minor_version != GTK_MINOR_VERSION) ||
- (gtk_micro_version != GTK_MICRO_VERSION))
- {
- printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
- GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
- printf("*** library (version %d.%d.%d)\n",
- gtk_major_version, gtk_minor_version, gtk_micro_version);
- }
-#endif /* defined (GTK_MAJOR_VERSION) ... */
- else
- {
- if ((gtk_major_version > major) ||
- ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
- ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
- {
- return 0;
- }
- else
- {
- printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
- gtk_major_version, gtk_minor_version, gtk_micro_version);
- printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
- major, minor, micro);
- printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
- printf("***\n");
- printf("*** If you have already installed a sufficiently new version, this error\n");
- printf("*** probably means that the wrong copy of the gtk-config-2.0 shell script is\n");
- printf("*** being found. The easiest way to fix this is to remove the old version\n");
- printf("*** of GTK+, but you can also set the GTK_CONFIG_2_0 environment to point to the\n");
- printf("*** correct copy of gtk-config-2.0. (In this case, you will have to\n");
- printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
- printf("*** so that the correct libraries are found at run-time))\n");
- }
- }
- return 1;
-}
-],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CFLAGS="$ac_save_CFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
- if test "x$no_gtk" = x ; then
- AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
- ifelse([$2], , :, [$2])
- else
- AC_MSG_RESULT(no)
- if test "$GTK_CONFIG_2_0" = "no" ; then
- echo "*** The gtk-config-2.0 script installed by GTK could not be found"
- echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
- echo "*** your path, or set the GTK_CONFIG_2_0 environment variable to the"
- echo "*** full path to gtk-config-2.0."
- else
- if test -f conf.gtktest ; then
- :
- else
- echo "*** Could not run GTK test program, checking why..."
- CFLAGS="$CFLAGS $GTK_CFLAGS"
- LIBS="$LIBS $GTK_LIBS"
- AC_TRY_LINK([
-#include <gtk/gtk.h>
-#include <stdio.h>
-], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding GTK or finding the wrong"
- echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
- echo "*** to the installed location Also, make sure you have run ldconfig if that"
- echo "*** is required on your system"
- echo "***"
- echo "*** If you have an old version installed, it is best to remove it, although"
- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
- echo "***"
- echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
- echo "*** came with the system with the command"
- echo "***"
- echo "*** rpm --erase --nodeps gtk gtk-devel" ],
- [ echo "*** The test program failed to compile or link. See the file config.log for the"
- echo "*** exact error that occured. This usually means GTK was incorrectly installed"
- echo "*** or that you have moved GTK since it was installed. In the latter case, you"
- echo "*** may want to edit the gtk-config-2.0 script: $GTK_CONFIG_2_0" ])
- CFLAGS="$ac_save_CFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
- GTK_CFLAGS=""
- GTK_LIBS=""
- ifelse([$3], , :, [$3])
- fi
- AC_SUBST(GTK_CFLAGS)
- AC_SUBST(GTK_LIBS)
- rm -f conf.gtktest
+dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_reinterpret_cast.html
+AC_DEFUN([AC_CXX_REINTERPRET_CAST],
+[AC_CACHE_CHECK(whether the compiler supports reinterpret_cast<>,
+ac_cv_cxx_reinterpret_cast,
+[AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([#include <typeinfo>
+class Base { public : Base () {} virtual void f () = 0;};
+class Derived : public Base { public : Derived () {} virtual void f () {} };
+class Unrelated { public : Unrelated () {} };
+int g (Unrelated&) { return 0; }],[
+Derived d;Base& b=d;Unrelated& e=reinterpret_cast<Unrelated&>(b);return g(e);],
+ ac_cv_cxx_reinterpret_cast=yes, ac_cv_cxx_reinterpret_cast=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_reinterpret_cast" = yes; then
+ AC_DEFINE(HAVE_REINTERPRET_CAST,,
+ [define if the compiler supports reinterpret_cast<>])
+fi
+])
+
+dnl and http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_static_cast.html
+AC_DEFUN([AC_CXX_STATIC_CAST],
+[AC_CACHE_CHECK(whether the compiler supports static_cast<>,
+ac_cv_cxx_static_cast,
+[AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([#include <typeinfo>
+class Base { public : Base () {} virtual void f () = 0; };
+class Derived : public Base { public : Derived () {} virtual void f () {} };
+int g (Derived&) { return 0; }],[
+Derived d; Base& b = d; Derived& s = static_cast<Derived&> (b); return g (s);],
+ ac_cv_cxx_static_cast=yes, ac_cv_cxx_static_cast=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_static_cast" = yes; then
+ AC_DEFINE(HAVE_STATIC_CAST,, [define if the compiler supports static_cast<>])
+fi
+])
+
+dnl http://autoconf-archive.cryp.to/ac_cxx_dynamic_cast.html
+AC_DEFUN([AC_CXX_DYNAMIC_CAST],
+[AC_CACHE_CHECK(whether the compiler supports dynamic_cast<>,
+ac_cv_cxx_dynamic_cast,
+[AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([#include <typeinfo>
+class Base { public : Base () {} virtual void f () = 0;};
+class Derived : public Base { public : Derived () {} virtual void f () {} };],[
+Derived d; Base& b=d; return dynamic_cast<Derived*>(&b) ? 0 : 1;],
+ ac_cv_cxx_dynamic_cast=yes, ac_cv_cxx_dynamic_cast=no)
+ AC_LANG_RESTORE
projects / wxWidgets.git / blobdiff