X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e4e265ebf640e0615731872f0dfdb55eb09c7fc4..eadae5b9fdfad7d88b86c8260c74b158203ad299:/acinclude.m4?ds=sidebyside diff --git a/acinclude.m4 b/acinclude.m4 index 9247f1d107..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 --------------------------------------------------------------------------- @@ -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], @@ -287,7 +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)