Update os2/ow makefiles.

[wxWidgets.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 817275d7f40124da49806e53cb03836133e42020..6a27a120d7f9dfe11859a5bf771c14eb38d943bf 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -43,9 +43,10 @@ for ac_dir in $1 /usr/include;
 ])
 
 dnl ---------------------------------------------------------------------------
 ])
 
 dnl ---------------------------------------------------------------------------

-dnl WX_PATH_FIND_LIBRARIES helper
+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 ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------

-AC_DEFUN([WX_PATH_FIND_LIBRARIES_IN_PATH],
+AC_DEFUN([WX_PATH_FIND_LIBRARIES],

 [
   ac_find_libraries=
   for ac_dir in $1;
 [
   ac_find_libraries=
   for ac_dir in $1;


@@ -60,23 +61,17 @@ AC_DEFUN([WX_PATH_FIND_LIBRARIES_IN_PATH],
 ])
 
 dnl ---------------------------------------------------------------------------
 ])
 
 dnl ---------------------------------------------------------------------------

-dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_libraries
-dnl to the full name of the file that was found or leaves it empty if not found
+dnl return list of standard library paths

 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------

-AC_DEFUN([WX_PATH_FIND_LIBRARIES],
-[
-  dnl check in default locations first:
-  dnl   - /usr/lib: standard
-  dnl   - /usr/lib32: n32 ABI on IRIX
-  dnl   - /usr/lib64: n64 ABI on IRIX
-  dnl   - /usr/lib/64: 64 bit ABI on Solaris and Linux x86-64
-  WX_PATH_FIND_LIBRARIES_IN_PATH([/usr/lib /usr/lib32 /usr/lib/64 /usr/lib64], $2)
-  if test "$ac_find_libraries" != "" ; then
-    ac_find_libraries="default location"
-  else
-    WX_PATH_FIND_LIBRARIES_IN_PATH($1, $2)
-  fi
-])
+dnl return all default locations:
+dnl   - /usr/lib: standard
+dnl   - /usr/lib32: n32 ABI on IRIX
+dnl   - /usr/lib64: n64 ABI on IRIX
+dnl   - /usr/lib/64: 64 bit ABI on Solaris and Linux x86-64
+dnl
+dnl NB: if any of directories in the list is not a subdir of /usr, code setting
+dnl     wx_cv_std_libpath needs to be updated
+AC_DEFUN([WX_STD_LIBPATH], [/usr/lib /usr/lib32 /usr/lib/64 /usr/lib64])

 
 dnl ---------------------------------------------------------------------------
 dnl Path to include, already defined
 
 dnl ---------------------------------------------------------------------------
 dnl Path to include, already defined


@@ -232,6 +227,72 @@ AC_DEFUN([WX_CPP_EXPLICIT],
   fi
 ])
 
   fi
 ])
 

+dnl ---------------------------------------------------------------------------
+dnl WX_CHECK_FUNCS(FUNCTIONS...,
+dnl                [ACTION-IF-FOUND],
+dnl                [ACTION-IF-NOT-FOUND],
+dnl                [EXTRA-DEFINES-AND-INCLUDES],
+dnl                [EXTRA-TEST-CODE])
+dnl
+dnl Checks that the functions listed in FUNCTIONS exist in the headers and the
+dnl libs. For each function, if it is found then defines 'HAVE_FUNCTION' and
+dnl executes ACTION-IF-FOUND, otherwise executes ACTION-IF-NOT-FOUND.
+dnl
+dnl The code from EXTRA-DEFINES-AND-INCLUDES is inserted into the test before
+dnl the default headers are included, and EXTRA-TEST-CODE is inserted into
+dnl the main() function after the default test for existence.
+dnl
+dnl Examples:
+dnl   # the simple case
+dnl   WX_CHECK_FUNCS(stat)
+dnl   # use break to finish the loop early
+dnl   WX_CHECK_FUNCS(mkstemp mktemp, break)
+dnl   # extra defines
+dnl   WX_CHECK_FUNCS(strtok_r, [], [], [#define _RREENTRANT])
+dnl   # extra includes
+dnl   WX_CHECK_FUNCS(swprintf, [], [], [#include <wchar.h>])
+dnl   # checking the signature with extra test code
+dnl   WX_CHECK_FUNCS(gettimeofday, [], [], [#include <sys/time.h>]
+dnl     [struct timeval tv; struct timezone tz; gettimeofday(&tv, &tz)])
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_CHECK_FUNCS],
+[
+  for wx_func in $1
+  do
+    AC_CACHE_CHECK(
+      [for $wx_func],
+      [wx_cv_func_$wx_func],
+      [
+        AC_LINK_IFELSE(
+          [
+            AC_LANG_PROGRAM(
+              [
+                $4
+                AC_INCLUDES_DEFAULT
+              ],
+              [
+                #ifndef $wx_func
+                  &$wx_func;
+                #endif
+                $5
+              ])
+          ],
+          [eval wx_cv_func_$wx_func=yes],
+          [eval wx_cv_func_$wx_func=no])
+      ])
+
+    if eval test \$wx_cv_func_$wx_func = yes
+    then
+      AC_DEFINE_UNQUOTED([HAVE_`echo $wx_func | tr 'a-z' 'A-Z'`])
+      $2
+    else
+      :
+      $3
+    fi
+  done
+])
+

 dnl ---------------------------------------------------------------------------
 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 dnl ---------------------------------------------------------------------------


@@ -340,10 +401,11 @@ AC_DEFUN([WX_ARG_SYS_WITH],
         ])
 
 dnl this macro checks for a command line argument and caches the result
         ])
 
 dnl this macro checks for a command line argument and caches the result

-dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
+dnl usage: WX_ARG_WITH(option, helpmessage, variable-name, [withstring])

 AC_DEFUN([WX_ARG_WITH],
         [
 AC_DEFUN([WX_ARG_WITH],
         [

-          AC_MSG_CHECKING([for --with-$1])
+          withstring=$4
+          AC_MSG_CHECKING([for --${withstring:-with}-$1])

           no_cache=0
           AC_ARG_WITH($1, [$2],
                       [
           no_cache=0
           AC_ARG_WITH($1, [$2],
                       [


@@ -384,7 +446,7 @@ dnl message when running configure instead of the default "checking for
 dnl --enable-foo" one whih is useful for the options enabled by default
 AC_DEFUN([WX_ARG_ENABLE],
         [
 dnl --enable-foo" one whih is useful for the options enabled by default
 AC_DEFUN([WX_ARG_ENABLE],
         [

-         enablestring=$4
+          enablestring=$4

           AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
           no_cache=0
           AC_ARG_ENABLE($1, [$2],
           AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
           no_cache=0
           AC_ARG_ENABLE($1, [$2],


@@ -419,6 +481,47 @@ AC_DEFUN([WX_ARG_ENABLE],
         ])
 
 
         ])
 
 

+dnl Like WX_ARG_ENABLE but accepts a parameter.
+dnl
+dnl Usage:
+dnl   WX_ARG_ENABLE_PARAM(option, helpmessage, variable-name, enablestring)
+dnl
+dnl Example:
+dnl   WX_ARG_ENABLE_PARAM(foo, [[  --enable-foo[=bar] use foo]], wxUSE_FOO)
+dnl
+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 wxUSE_FOO=no
+dnl
+AC_DEFUN([WX_ARG_ENABLE_PARAM],
+        [
+          enablestring=$4
+          AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
+          no_cache=0
+          AC_ARG_ENABLE($1, [$2],
+                        [
+                          wx_cv_use_$1="$3='$enableval'"
+                        ],
+                        [
+                          LINE=`grep "$3" ${wx_arg_cache_file}`
+                          if test "x$LINE" != x ; then
+                            eval "DEFAULT_$LINE"
+                            wx_cv_use_$1='$3='$DEFAULT_$3
+                          else
+                            no_cache=1
+                            wx_cv_use_$1="$3=no"
+                          fi
+                        ])
+
+          eval "$wx_cv_use_$1"
+          if test "$no_cache" != 1; then
+            echo $wx_cv_use_$1 >> ${wx_arg_cache_file}.tmp
+          fi
+
+          AC_MSG_RESULT([$$3])
+        ])
+

 dnl ===========================================================================
 dnl Linker features test
 dnl ===========================================================================
 dnl ===========================================================================
 dnl Linker features test
 dnl ===========================================================================


@@ -432,81 +535,80 @@ dnl call WX_VERSIONED_SYMBOLS(versionfile)
 dnl ---------------------------------------------------------------------------
 AC_DEFUN([WX_VERSIONED_SYMBOLS],
 [
 dnl ---------------------------------------------------------------------------
 AC_DEFUN([WX_VERSIONED_SYMBOLS],
 [

-  found_versioning=no
-
-  dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
-  dnl         in the script.
-  dnl dnl Check for known non-gcc cases:
-  dnl case "${host}" in
-  dnl   *-*-solaris2* )
-  dnl     if test "x$GCC" != "xyes" ; then
-  dnl         LDFLAGS_VERSIONING="-M $1"
-  dnl         found_versioning=yes
-  dnl     fi
-  dnl   ;;
-  dnl esac
-  
-  dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC):
-  if test $found_versioning = no ; then
-      AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script,
-      [
-        echo "VER_1 { *; };" >conftest.sym
-        echo "int main() { return 0; }" >conftest.cpp
-  
-        if AC_TRY_COMMAND([
-                $CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
-                -Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then
-          if test -s conftest.stderr ; then
-              wx_cv_version_script=no
-          else
-              wx_cv_version_script=yes
-          fi
-        else
-          wx_cv_version_script=no
-        fi
-
-        dnl There's a problem in some old linkers with --version-script that
-        dnl can cause linking to fail when you have objects with vtables in
-        dnl libs 3 deep.  This is known to happen in netbsd and openbsd with
-        dnl ld 2.11.2.
-        dnl 
-        dnl To test for this we need to make some shared libs and
-        dnl unfortunately we can't be sure of the right way to do that. If the
-        dnl first two compiles don't succeed then it looks like the test isn't
-        dnl working and the result is ignored, but if OTOH the first two
-        dnl succeed but the third does not then the bug has been detected and
-        dnl the --version-script flag is dropped.
-        if test $wx_cv_version_script = yes
-        then
-          echo "struct B { virtual ~B() { } }; \
-                struct D : public B { }; \
-                void F() { D d; }" > conftest.cpp
-
-          if AC_TRY_COMMAND([
-                $CXX -shared -fPIC -o conftest1.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
-                -Wl,--version-script,conftest.sym >/dev/null 2>/dev/null]) &&
-             AC_TRY_COMMAND([
-                $CXX -shared -fPIC -o conftest2.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
-                -Wl,--version-script,conftest.sym conftest1.output >/dev/null 2>/dev/null])
-          then
-            if AC_TRY_COMMAND([
-                  $CXX -shared -fPIC -o conftest3.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
-                  -Wl,--version-script,conftest.sym conftest2.output conftest1.output >/dev/null 2>/dev/null])
-            then
-              wx_cv_version_script=yes
-            else
-              wx_cv_version_script=no
+    case "${host}" in
+        *-*-cygwin* | *-*-mingw* )
+            dnl although ld does support version script option on these
+            dnl platforms, it doesn't make much sense to use it under Win32
+            dnl and, moreover, this breaks linking because of a bug in handling
+            dnl paths in -Wl,--version-script,path option (if we ever do need
+            dnl to use it for cygwin/mingw32, keep in mind that replacing last
+            dnl comma with the equal sign works) so
+            dnl simply disable it
+            wx_cv_version_script=no
+            ;;
+
+        *)
+            AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script,
+            [
+                echo "VER_1 { *; };" >conftest.sym
+                echo "int main() { return 0; }" >conftest.cpp
+
+                if AC_TRY_COMMAND([
+                        $CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
+                        -Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then
+                  if test -s conftest.stderr ; then
+                      wx_cv_version_script=no
+                  else
+                      wx_cv_version_script=yes
+                  fi
+                else
+                  wx_cv_version_script=no
+                fi
+
+                dnl There's a problem in some old linkers with --version-script that
+                dnl can cause linking to fail when you have objects with vtables in
+                dnl libs 3 deep.  This is known to happen in netbsd and openbsd with
+                dnl ld 2.11.2.
+                dnl
+                dnl To test for this we need to make some shared libs and
+                dnl unfortunately we can't be sure of the right way to do that. If the
+                dnl first two compiles don't succeed then it looks like the test isn't
+                dnl working and the result is ignored, but if OTOH the first two
+                dnl succeed but the third does not then the bug has been detected and
+                dnl the --version-script flag is dropped.
+                if test $wx_cv_version_script = yes
+                then
+                  echo "struct B { virtual ~B() { } }; \
+                        struct D : public B { }; \
+                        void F() { D d; }" > conftest.cpp
+
+                  if AC_TRY_COMMAND([
+                        $CXX -shared -fPIC -o conftest1.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
+                        -Wl,--version-script,conftest.sym >/dev/null 2>/dev/null]) &&
+                     AC_TRY_COMMAND([
+                        $CXX -shared -fPIC -o conftest2.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
+                        -Wl,--version-script,conftest.sym conftest1.output >/dev/null 2>/dev/null])
+                  then
+                    if AC_TRY_COMMAND([
+                          $CXX -shared -fPIC -o conftest3.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
+                          -Wl,--version-script,conftest.sym conftest2.output conftest1.output >/dev/null 2>/dev/null])
+                    then
+                      wx_cv_version_script=yes
+                    else
+                      wx_cv_version_script=no
+                    fi
+                  fi
+                fi
+
+                rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
+                rm -f conftest1.output conftest2.output conftest3.output
+            ])
+
+            if test $wx_cv_version_script = yes ; then
+                LDFLAGS_VERSIONING="-Wl,--version-script,$1"

             fi
             fi

-          fi
-        fi
-
-        rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
-        rm -f conftest1.output conftest2.output conftest3.output
-      ])
-      if test $wx_cv_version_script = yes ; then
-        LDFLAGS_VERSIONING="-Wl,--version-script,$1"
-      fi
-  fi
+            ;;
+    esac

 ])
 
 
 ])