Removed unneeded semicolon after DECLARE_DYNAMIC_CLASS [ bug 1162938 ]

[wxWidgets.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 78b8185e43b36789871d9b928ae07dc7c9f768eb..e536a75bac95256d1b90820c8de10b375c9fccf1 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -21,6 +21,89 @@ dnl
 dnl Version: $Id$
 dnl ---------------------------------------------------------------------------
 
+dnl ===========================================================================
+dnl macros to detect specialty compiler options
+dnl ===========================================================================
+
+dnl Figure out if we need to pass -ext o to compiler (MetroWerks)
+AC_DEFUN([AC_WX_METROWERKS_EXTO],
+[AC_CACHE_CHECK([if the _AC_LANG compiler requires -ext o], wx_cv_[]_AC_LANG_ABBREV[]_exto,
+dnl First create an empty conf test
+[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
+dnl Now remove .o and .c.o or .cc.o
+rm -f conftest.$ac_objext conftest.$ac_ext.o
+dnl Now compile the test
+AS_IF([AC_TRY_EVAL(ac_compile)],
+dnl If the test succeeded look for conftest.c.o or conftest.cc.o
+[for ac_file in `(ls conftest.* 2>/dev/null)`; do
+    case $ac_file in
+        conftest.$ac_ext.o)
+            wx_cv_[]_AC_LANG_ABBREV[]_exto="-ext o"
+            ;;
+        *)
+            ;;
+    esac
+done],
+[AC_MSG_FAILURE([cannot figure out if compiler needs -ext o: cannot compile])
+]) dnl AS_IF
+
+rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
+]) dnl AC_CACHE_CHECK
+
+if test "x$wx_cv_[]_AC_LANG_ABBREV[]_exto" '!=' "x"; then
+    if test "[]_AC_LANG_ABBREV[]" = "c"; then
+        CFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CFLAGS"
+    fi
+    if test "[]_AC_LANG_ABBREV[]" = "cxx"; then
+        CXXFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CXXFLAGS"
+    fi
+fi
+]) dnl AC_DEFUN
+
+
+dnl Based on autoconf _AC_LANG_COMPILER_GNU
+AC_DEFUN([_AC_WX_LANG_COMPILER_XLC],
+[AC_CACHE_CHECK([whether we are using the IBM xlC _AC_LANG compiler],
+    [wx_cv_[]_AC_LANG_ABBREV[]_compiler_xlc],
+    [AC_TRY_COMPILE([],[#ifndef __xlC__
+       choke me
+#endif
+],
+        [wx_compiler_xlc=yes],
+        [wx_compiler_xlc=no])
+    wx_cv_[]_AC_LANG_ABBREV[]_compiler_xlc=$wx_compiler_xlc
+    ])
+])
+
+dnl Loosely based on autoconf AC_PROG_CC
+AC_DEFUN([AC_WX_PROG_XLCC],
+[AC_LANG_PUSH(C)
+_AC_WX_LANG_COMPILER_XLC
+XLCC=`test $wx_compiler_xlc = yes && echo yes`
+AC_LANG_POP(C)
+])
+
+dnl Loosely based on autoconf AC_PROG_CXX
+AC_DEFUN([AC_WX_PROG_XLCXX],
+[AC_LANG_PUSH(C++)
+_AC_WX_LANG_COMPILER_XLC
+XLCXX=`test $wx_compiler_xlc = yes && echo yes`
+AC_LANG_POP(C++)
+])
+
+dnl ===========================================================================
+dnl Objective-C(++) related macros
+dnl ===========================================================================
+m4_define([AC_WX_LANG_OBJECTIVEC],
+[AC_LANG(C)
+ac_ext=m
+])
+
+m4_define([AC_WX_LANG_OBJECTIVECPLUSPLUS],
+[AC_LANG(C++)
+ac_ext=mm
+])
+
 dnl ===========================================================================
 dnl macros to find the a file in the list of include/lib paths
 dnl ===========================================================================
@@ -648,6 +731,25 @@ if test "$ac_cv_cxx_static_cast" = yes; then
 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
+])
+if test "$ac_cv_cxx_dynamic_cast" = yes; then
+  AC_DEFINE(HAVE_DYNAMIC_CAST,,[define if the compiler supports dynamic_cast<>])
+fi
+])
+
+
 dnl ---------------------------------------------------------------------------
 dnl Support macros for makefiles generated by BAKEFILE.
 dnl ---------------------------------------------------------------------------