dnl Vadim Zeitlin and Ron Lee
dnl
dnl This script is under the wxWindows licence.
-dnl
-dnl Version: $Id$
dnl ---------------------------------------------------------------------------
])
dnl ===========================================================================
-dnl macros to find the a file in the list of include/lib paths
+dnl macros to find a file in the list of include/lib paths
dnl ===========================================================================
dnl ---------------------------------------------------------------------------
AC_DEFUN([WX_PATH_FIND_INCLUDES],
[
ac_find_includes=
-for ac_dir in $1 /usr/include;
+for ac_dir in $1 /usr/include
do
if test -f "$ac_dir/$2"; then
ac_find_includes=$ac_dir
])
dnl ---------------------------------------------------------------------------
-dnl call WX_PATH_FIND_LIBRARIES(search path, lib name), sets ac_find_libraries
-dnl to the full name of the file that was found or leaves it empty if not found
+dnl call WX_PATH_FIND_LIBRARIES(lib name, [optional extra search paths])
+dnl sets ac_find_libraries to the full name of the file that was found
+dnl or leaves it empty if not found
dnl ---------------------------------------------------------------------------
AC_DEFUN([WX_PATH_FIND_LIBRARIES],
[
ac_find_libraries=
- for ac_dir in $1;
+ for ac_dir in $2 $SEARCH_LIB
do
for ac_extension in a so sl dylib dll.a; do
- if test -f "$ac_dir/lib$2.$ac_extension"; then
+ if test -f "$ac_dir/lib$1.$ac_extension"; then
ac_find_libraries=$ac_dir
break 2
fi
dnl ---------------------------------------------------------------------------
dnl Usage: WX_LINK_PATH_EXIST(path, libpath)
dnl
-dnl Set ac_path_to_link to nothing if path is already in libpath of to -Lpath
+dnl Set ac_path_to_link to nothing if path is already in libpath, or to -Lpath
dnl if it is not, so that libpath can be set to "$libpath$ac_path_to_link"
dnl after calling this function
dnl ---------------------------------------------------------------------------
AC_DEFUN([WX_LINK_PATH_EXIST],
[
- dnl never add -L/usr/libXXX explicitely to libpath
+ dnl never add -L/usr/libXXX explicitly to libpath
if test "$1" = "default location"; then
ac_path_to_link=""
else
fi
])
+dnl ---------------------------------------------------------------------------
+dnl Usage: WX_FIND_LIB(lib-name, [lib-function to test], [extra search paths])
+dnl
+dnl Tests in a variety of ways for the presence of lib-name
+dnl
+dnl On success, returns any novel path found in ac_find_libraries; else "std"
+dnl and any cflags in ac_find_cflags
+dnl On failure, ac_find_libraries will be empty
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_FIND_LIB],
+[
+ ac_find_libraries=
+
+ dnl Try with pkg-config first. It requires its lib-name parameter lowercase
+ fl_pkgname=`echo "$1" | tr [[:upper:]] [[:lower:]]`
+ dnl suppress PKG_PROG_PKG_CONFIG output; we don't want to keep seeing it
+ PKG_PROG_PKG_CONFIG() AS_MESSAGE_FD> /dev/null
+ PKG_CHECK_MODULES([$1], [$fl_pkgname],
+ [
+ dnl Start by assuming there are no novel lib paths
+ ac_find_libraries="std"
+
+ dnl A simple copy of the internal vars $1_CFLAGS $1_LIBS doesn't work
+ dnl inside the macro
+ dnl
+ dnl TODO: When we stop being autoconf 2.61 compatible, the next 2 lines
+ dnl should become:
+ dnl AS_VAR_COPY([ac_find_cflags], [$1_CFLAGS])
+ dnl AS_VAR_COPY([fl_libs], [$1_LIBS])
+ eval ac_find_cflags=\$$1_CFLAGS
+ eval fl_libs=\$$1_LIBS
+
+ dnl fl_libs may now contain -Lfoopath -lfoo (only non-standard paths are
+ dnl added) We only want the path bit, not the lib names
+ for fl_path in $fl_libs
+ do
+ if test `echo "$fl_path" | cut -c 1-2` = "-L"; then
+ dnl there shouldn't be >1 novel path
+ dnl return it without the -L, ready for WX_LINK_PATH_EXIST
+ ac_find_libraries=`echo "$fl_path" | cut -c 3-`
+ fi
+ done
+ ],
+ [
+ if test "x$ac_find_libraries" = "x"; then
+ dnl Next with AC_CHECK_LIB, if a test function was provided
+ if test "x$2" != "x"; then
+ AC_CHECK_LIB([$1], [$2], [ac_find_libraries="std"])
+ fi
+ fi
+
+ if test "x$ac_find_libraries" = "x"; then
+ dnl Finally try the search path
+ dnl Output a message again, as AC_CHECK_LIB will just have said "no"
+ AC_MSG_CHECKING([elsewhere])
+ dnl $3 will occasionally hold extra path(s) to search
+ WX_PATH_FIND_LIBRARIES([$1], [$3])
+ if test "x$ac_find_libraries" != "x"; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ fi
+ fi
+ ])
+])
+
dnl ===========================================================================
dnl C++ features test
dnl ===========================================================================
dnl or only the old <iostream.h> one - it may be generally assumed that if
dnl <iostream> exists, the other "new" headers (without .h) exist too.
dnl
-dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false)
+dnl call WX_CPP_NEW_HEADERS(action-if-true, action-if-false)
dnl ---------------------------------------------------------------------------
AC_DEFUN([WX_CPP_NEW_HEADERS],
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 "$wx_cv_cpp_bool" = "yes"; then
- AC_DEFINE(HAVE_BOOL)
- fi
-])
-
dnl ---------------------------------------------------------------------------
dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
dnl keyword and defines HAVE_EXPLICIT if this is the case
if eval test \$wx_cv_func_$wx_func = yes
then
- AC_DEFINE_UNQUOTED([HAVE_`echo $wx_func | tr 'a-z' 'A-Z'`])
+ AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$wx_func]))
$2
else
:
}], [ac_cv_c_bigendian=no], [ac_cv_c_bigendian=yes], [ac_cv_c_bigendian=unknown])
fi])
if test $ac_cv_c_bigendian = unknown; then
- AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
+ AC_MSG_WARN([Assuming little-endian target machine - this may be overridden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
fi
if test $ac_cv_c_bigendian = yes; then
AC_DEFINE(WORDS_BIGENDIAN)
])
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"
- 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"
- 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"
- 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
- result=no
- else
+ if test $$3 = no; then
result=yes
+ else
+ result=no
fi
else
result=$$3
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"
- 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