X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8743ec79b752170bd31b59060224eee98a4cc25c..eadae5b9fdfad7d88b86c8260c74b158203ad299:/acinclude.m4 diff --git a/acinclude.m4 b/acinclude.m4 index 347b68a408..bd17ead502 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -4,8 +4,6 @@ dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker, dnl Vadim Zeitlin and Ron Lee dnl dnl This script is under the wxWindows licence. -dnl -dnl Version: $Id$ dnl --------------------------------------------------------------------------- @@ -23,7 +21,7 @@ ac_ext=mm ]) 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 --------------------------------------------------------------------------- @@ -33,7 +31,7 @@ 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 @@ -43,16 +41,17 @@ for ac_dir in $1 /usr/include; ]) 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=$ac_dir break 2 fi @@ -95,13 +94,13 @@ AC_DEFUN([WX_INCLUDE_PATH_EXIST], dnl --------------------------------------------------------------------------- dnl Usage: WX_LINK_PATH_EXIST(path, libpath) dnl -dnl Set ac_path_to_link to nothing if path is already in libpath of to -Lpath +dnl Set ac_path_to_link to nothing if path is already in libpath, or to -Lpath dnl if it is not, so that libpath can be set to "$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 @@ -115,6 +114,72 @@ AC_DEFUN([WX_LINK_PATH_EXIST], 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 =========================================================================== @@ -124,7 +189,7 @@ dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" header dnl or only the old one - it may be generally assumed that if dnl 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], @@ -143,43 +208,6 @@ 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 "$wx_cv_cpp_bool" = "yes"; then - AC_DEFINE(HAVE_BOOL) - fi -]) - dnl --------------------------------------------------------------------------- dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit dnl keyword and defines HAVE_EXPLICIT if this is the case @@ -284,7 +312,7 @@ AC_DEFUN([WX_CHECK_FUNCS], if eval test \$wx_cv_func_$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 : @@ -324,7 +352,7 @@ AC_TRY_RUN([main () { }], [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) @@ -332,28 +360,9 @@ fi ]) 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) @@ -377,21 +386,12 @@ AC_DEFUN([WX_ARG_SYS_WITH], 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) @@ -406,7 +406,7 @@ AC_DEFUN([WX_ARG_SYS_WITH], 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], [ @@ -427,21 +427,12 @@ 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 @@ -489,27 +480,18 @@ AC_DEFUN([WX_ARG_ENABLE], 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 @@ -536,8 +518,7 @@ dnl dnl --enable-foo wxUSE_FOO=yes dnl --disable-foo wxUSE_FOO=no dnl --enable-foo=bar wxUSE_FOO=bar -dnl value from configarg.cache or -dnl wxUSE_FOO=$DEFAULT_wxUSE_FOO +dnl wxUSE_FOO=$DEFAULT_wxUSE_FOO dnl AC_DEFUN([WX_ARG_ENABLE_PARAM], [ @@ -546,21 +527,12 @@ 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]) ]) @@ -800,79 +772,3 @@ if test "$enable_largefile" != no; then fi ]) - -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html -dnl -AC_DEFUN([AC_CXX_CONST_CAST], -[AC_CACHE_CHECK(whether the compiler supports const_cast<>, -ac_cv_cxx_const_cast, -[AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast(y);return z;], - ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no) - AC_LANG_RESTORE -]) -if test "$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 -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(b);return g(e);], - ac_cv_cxx_reinterpret_cast=yes, ac_cv_cxx_reinterpret_cast=no) - AC_LANG_RESTORE -]) -if test "$ac_cv_cxx_reinterpret_cast" = yes; then - AC_DEFINE(HAVE_REINTERPRET_CAST,, - [define if the compiler supports reinterpret_cast<>]) -fi -]) - -dnl and http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_static_cast.html -AC_DEFUN([AC_CXX_STATIC_CAST], -[AC_CACHE_CHECK(whether the compiler supports static_cast<>, -ac_cv_cxx_static_cast, -[AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([#include -class Base { public : Base () {} virtual void f () = 0; }; -class Derived : public Base { public : Derived () {} virtual void f () {} }; -int g (Derived&) { return 0; }],[ -Derived d; Base& b = d; Derived& s = static_cast (b); return g (s);], - ac_cv_cxx_static_cast=yes, ac_cv_cxx_static_cast=no) - AC_LANG_RESTORE -]) -if test "$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 -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(&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 -]) -