AC_LANG_RESTORE
])
-dnl ---------------------------------------------------------------------------
-dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
-dnl
-dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
-dnl ---------------------------------------------------------------------------
-
-AC_DEFUN([WX_CPP_BOOL],
-[
- AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
- [
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
-
- AC_TRY_COMPILE(
- [
- ],
- [
- bool b = true;
-
- return 0;
- ],
- [
- wx_cv_cpp_bool=yes
- ],
- [
- wx_cv_cpp_bool=no
- ]
- )
-
- AC_LANG_RESTORE
- ])
-
- if test "$wx_cv_cpp_bool" = "yes"; then
- AC_DEFINE(HAVE_BOOL)
- fi
-])
-
dnl ---------------------------------------------------------------------------
dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
dnl keyword and defines HAVE_EXPLICIT if this is the case
])
dnl ---------------------------------------------------------------------------
-dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
+dnl override AC_ARG_ENABLE/WITH to handle options defaults
dnl ---------------------------------------------------------------------------
-AC_DEFUN([WX_ARG_CACHE_INIT],
- [
- wx_arg_cache_file="configarg.cache"
- echo "loading argument cache $wx_arg_cache_file"
- rm -f ${wx_arg_cache_file}.tmp
- touch ${wx_arg_cache_file}.tmp
- touch ${wx_arg_cache_file}
- ])
-
-AC_DEFUN([WX_ARG_CACHE_FLUSH],
- [
- echo "saving argument cache $wx_arg_cache_file"
- mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
- ])
-
-dnl return the name of the variable to store the value of the given
-dnl WX_ARG_WITH/ENABLE option
-AC_DEFUN([WX_ARG_CACHE_NAME],)
-
dnl this macro checks for a three-valued command line --with argument:
dnl possible arguments are 'yes', 'no', 'sys', or 'builtin'
dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
else
AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
fi
- cache=yes
],
[
- LINE=`grep "^$3=" ${wx_arg_cache_file}`
- if test "x$LINE" != x ; then
- eval "DEFAULT_$LINE"
- cache=yes
- else
- cache=no
- fi
-
AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$wxUSE_ALL_FEATURES}"
])
eval "$AS_TR_SH(wx_cv_use_$1)"
- if test "x$cache" = xyes; then
- echo "$3=$$3" >> ${wx_arg_cache_file}.tmp
- fi
if test "$$3" = yes; then
AC_MSG_RESULT(yes)
fi
])
-dnl this macro checks for a command line argument and caches the result
+dnl this macro simply checks for a command line argument
dnl usage: WX_ARG_WITH(option, helpmessage, variable-name, [withstring])
AC_DEFUN([WX_ARG_WITH],
[
else
AS_TR_SH(wx_cv_use_$1)='$3=no'
fi
- cache=yes
],
[
- LINE=`grep "^$3=" ${wx_arg_cache_file}`
- if test "x$LINE" != x ; then
- eval "DEFAULT_$LINE"
- cache=yes
- else
- cache=no
- fi
-
AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$defaultval}"
])
eval "$AS_TR_SH(wx_cv_use_$1)"
- if test "x$cache" = xyes; then
- echo "$3=$$3" >> ${wx_arg_cache_file}.tmp
- fi
if test x"$withstring" = xwithout; then
if test $$3 = yes; then
else
AS_TR_SH(wx_cv_use_$1)='$3=no'
fi
- cache=yes
],
[
- LINE=`grep "^$3=" ${wx_arg_cache_file}`
- if test "x$LINE" != x ; then
- eval "DEFAULT_$LINE"
- cache=yes
- else
- cache=no
- fi
-
AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$defaultval}"
])
eval "$AS_TR_SH(wx_cv_use_$1)"
- if test "x$cache" = xyes; then
- echo "$3=$$3" >> ${wx_arg_cache_file}.tmp
- fi
if test x"$enablestring" = xdisable; then
if test $$3 = yes; then
dnl --enable-foo wxUSE_FOO=yes
dnl --disable-foo wxUSE_FOO=no
dnl --enable-foo=bar wxUSE_FOO=bar
-dnl <not given> value from configarg.cache or
-dnl wxUSE_FOO=$DEFAULT_wxUSE_FOO
+dnl <not given> wxUSE_FOO=$DEFAULT_wxUSE_FOO
dnl
AC_DEFUN([WX_ARG_ENABLE_PARAM],
[
AC_ARG_ENABLE($1, [$2],
[
wx_cv_use_$1="$3='$enableval'"
- cache=yes
],
[
- LINE=`grep "^$3=" ${wx_arg_cache_file}`
- if test "x$LINE" != x ; then
- eval "DEFAULT_$LINE"
- cache=yes
- else
- cache=no
- fi
-
wx_cv_use_$1='$3='$DEFAULT_$3
])
eval "$wx_cv_use_$1"
- if test "x$cache" = xyes; then
- echo "$3=$$3" >> ${wx_arg_cache_file}.tmp
- fi
AC_MSG_RESULT([$$3])
])
fi
])
-
-dnl Available from the GNU Autoconf Macro Archive at:
-dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html
-dnl
-AC_DEFUN([AC_CXX_CONST_CAST],
-[AC_CACHE_CHECK(whether the compiler supports const_cast<>,
-ac_cv_cxx_const_cast,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;],
- ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no)
- AC_LANG_RESTORE
-])
-if test "$ac_cv_cxx_const_cast" = yes; then
- AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>])
-fi
-])
-
-dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_reinterpret_cast.html
-AC_DEFUN([AC_CXX_REINTERPRET_CAST],
-[AC_CACHE_CHECK(whether the compiler supports reinterpret_cast<>,
-ac_cv_cxx_reinterpret_cast,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([#include <typeinfo>
-class Base { public : Base () {} virtual void f () = 0;};
-class Derived : public Base { public : Derived () {} virtual void f () {} };
-class Unrelated { public : Unrelated () {} };
-int g (Unrelated&) { return 0; }],[
-Derived d;Base& b=d;Unrelated& e=reinterpret_cast<Unrelated&>(b);return g(e);],
- ac_cv_cxx_reinterpret_cast=yes, ac_cv_cxx_reinterpret_cast=no)
- AC_LANG_RESTORE
-])
-if test "$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 "$ac_cv_cxx_static_cast" = yes; then
- AC_DEFINE(HAVE_STATIC_CAST,, [define if the compiler supports static_cast<>])
-fi
-])
-
-dnl http://autoconf-archive.cryp.to/ac_cxx_dynamic_cast.html
-AC_DEFUN([AC_CXX_DYNAMIC_CAST],
-[AC_CACHE_CHECK(whether the compiler supports dynamic_cast<>,
-ac_cv_cxx_dynamic_cast,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([#include <typeinfo>
-class Base { public : Base () {} virtual void f () = 0;};
-class Derived : public Base { public : Derived () {} virtual void f () {} };],[
-Derived d; Base& b=d; return dynamic_cast<Derived*>(&b) ? 0 : 1;],
- ac_cv_cxx_dynamic_cast=yes, ac_cv_cxx_dynamic_cast=no)
- AC_LANG_RESTORE
-])
-if test "$ac_cv_cxx_dynamic_cast" = yes; then
- AC_DEFINE(HAVE_DYNAMIC_CAST,,[define if the compiler supports dynamic_cast<>])
-fi
-])
-
projects / wxWidgets.git / blobdiff