]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
use explicit virtual keyword with overridden virtual methods
[wxWidgets.git] / configure.in
index d84fd3c4503180be4b43966f4faaf649f1a426c8..9b7290d1d681a5824dda4a87c6b8a1813b16ab0f 100644 (file)
@@ -34,8 +34,8 @@ dnl wx_release_number += 1
 
 wx_major_version_number=2
 wx_minor_version_number=7
-wx_release_number=1
-wx_subrelease_number=1
+wx_release_number=2
+wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number
@@ -264,7 +264,6 @@ case "${host}" in
     SO_SUFFIX=dll
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_MSW=1
-    DEFAULT_STD_FLAG=no
   ;;
 
   *-pc-msdosdjgpp )
@@ -504,9 +503,11 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_FILESYSTEM=no
   DEFAULT_wxUSE_FS_INET=no
   DEFAULT_wxUSE_FS_ZIP=no
+  DEFAULT_wxUSE_FS_ARCHIVE=no
   DEFAULT_wxUSE_BUSYINFO=no
   DEFAULT_wxUSE_ARCHIVE_STREAMS=no
   DEFAULT_wxUSE_ZIPSTREAM=no
+  DEFAULT_wxUSE_TARSTREAM=no
   DEFAULT_wxUSE_VALIDATORS=no
 
   DEFAULT_wxUSE_ACCEL=no
@@ -525,6 +526,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_COMBOCTRL=no
   DEFAULT_wxUSE_DATEPICKCTRL=no
   DEFAULT_wxUSE_DISPLAY=no
+  DEFAULT_wxUSE_DETECT_SM=no
   DEFAULT_wxUSE_DIRPICKERCTRL=no
   DEFAULT_wxUSE_FILEPICKERCTRL=no
   DEFAULT_wxUSE_FONTPICKERCTRL=no
@@ -721,9 +723,11 @@ else
   DEFAULT_wxUSE_FILESYSTEM=yes
   DEFAULT_wxUSE_FS_INET=yes
   DEFAULT_wxUSE_FS_ZIP=yes
+  DEFAULT_wxUSE_FS_ARCHIVE=yes
   DEFAULT_wxUSE_BUSYINFO=yes
   DEFAULT_wxUSE_ARCHIVE_STREAMS=yes
   DEFAULT_wxUSE_ZIPSTREAM=yes
+  DEFAULT_wxUSE_TARSTREAM=yes
   DEFAULT_wxUSE_VALIDATORS=yes
 
   DEFAULT_wxUSE_ACCEL=yes
@@ -742,6 +746,7 @@ else
   DEFAULT_wxUSE_COMBOCTRL=yes
   DEFAULT_wxUSE_DATEPICKCTRL=yes
   DEFAULT_wxUSE_DISPLAY=yes
+  DEFAULT_wxUSE_DETECT_SM=yes
   DEFAULT_wxUSE_DIRPICKERCTRL=yes
   DEFAULT_wxUSE_FILEPICKERCTRL=yes
   DEFAULT_wxUSE_FONTPICKERCTRL=yes
@@ -957,8 +962,9 @@ WX_ARG_ENABLE(ffile,         [  --enable-ffile          use wxFFile class], wxUS
 WX_ARG_ENABLE(file,          [  --enable-file           use wxFile class], wxUSE_FILE)
 WX_ARG_ENABLE(filesystem,    [  --enable-filesystem     use virtual file systems classes], wxUSE_FILESYSTEM)
 WX_ARG_ENABLE(fontmap,       [  --enable-fontmap        use font encodings conversion classes], wxUSE_FONTMAP)
+WX_ARG_ENABLE(fs_archive,    [  --enable-fs_archive     use virtual archive filesystems], wxUSE_FS_ARCHIVE)
 WX_ARG_ENABLE(fs_inet,       [  --enable-fs_inet        use virtual HTTP/FTP filesystems], wxUSE_FS_INET)
-WX_ARG_ENABLE(fs_zip,        [  --enable-fs_zip         use virtual ZIP filesystems], wxUSE_FS_ZIP)
+WX_ARG_ENABLE(fs_zip,        [  --enable-fs_zip         now replaced by fs_archive], wxUSE_FS_ZIP)
 WX_ARG_ENABLE(geometry,      [  --enable-geometry       use geometry class], wxUSE_GEOMETRY)
 WX_ARG_ENABLE(log,           [  --enable-log            use logging system], wxUSE_LOG)
 WX_ARG_ENABLE(longlong,      [  --enable-longlong       use wxLongLong class], wxUSE_LONGLONG)
@@ -971,6 +977,7 @@ WX_ARG_ENABLE(stdpaths,      [  --enable-stdpaths       use wxStandardPaths clas
 WX_ARG_ENABLE(stopwatch,     [  --enable-stopwatch      use wxStopWatch class], wxUSE_STOPWATCH)
 WX_ARG_ENABLE(streams,       [  --enable-streams        use wxStream etc classes], wxUSE_STREAMS)
 WX_ARG_ENABLE(system_options,[  --enable-sysoptions     use wxSystemOptions], wxUSE_SYSTEM_OPTIONS)
+WX_ARG_ENABLE(tarstream,     [  --enable-tarstream      use wxTar streams], wxUSE_TARSTREAM)
 WX_ARG_ENABLE(textbuf,       [  --enable-textbuf        use wxTextBuffer class], wxUSE_TEXTBUFFER)
 WX_ARG_ENABLE(textfile,      [  --enable-textfile       use wxTextFile class], wxUSE_TEXTFILE)
 WX_ARG_ENABLE(timer,         [  --enable-timer          use wxTimer class], wxUSE_TIMER)
@@ -1070,6 +1077,7 @@ if test "$wxUSE_CONTROLS" = "yes"; then
   DEFAULT_wxUSE_COMBOBOX=yes
   DEFAULT_wxUSE_DATEPICKCTRL=yes
   DEFAULT_wxUSE_DISPLAY=yes
+  DEFAULT_wxUSE_DETECT_SM=yes
   DEFAULT_wxUSE_DIRPICKERCTRL=yes
   DEFAULT_wxUSE_FILEPICKERCTRL=yes
   DEFAULT_wxUSE_FONTPICKERCTRL=yes
@@ -1120,6 +1128,7 @@ elif test "$wxUSE_CONTROLS" = "no"; then
   DEFAULT_wxUSE_COMBOBOX=no
   DEFAULT_wxUSE_DATEPICKCTRL=no
   DEFAULT_wxUSE_DISPLAY=no
+  DEFAULT_wxUSE_DETECT_SM=no
   DEFAULT_wxUSE_DIRPICKERCTRL=no
   DEFAULT_wxUSE_FILEPICKERCTRL=no
   DEFAULT_wxUSE_FONTPICKERCTRL=no
@@ -1173,6 +1182,7 @@ WX_ARG_ENABLE(comboctrl,   [  --enable-comboctrl      use wxComboCtrl class], wx
 WX_ARG_ENABLE(datepick,    [  --enable-datepick       use wxDatePickerCtrl class], wxUSE_DATEPICKCTRL)
 WX_ARG_ENABLE(dirpicker,   [  --enable-dirpicker      use wxDirPickerCtrl class], wxUSE_DIRPICKERCTRL)
 WX_ARG_ENABLE(display,     [  --enable-display        use wxDisplay class], wxUSE_DISPLAY)
+WX_ARG_ENABLE(detect_sm,   [  --enable-detect_sm      use code to detect X11 session manager], wxUSE_DETECT_SM)
 WX_ARG_ENABLE(filepicker,  [  --enable-filepicker     use wxFilePickerCtrl class], wxUSE_FILEPICKERCTRL)
 WX_ARG_ENABLE(fontpicker,  [  --enable-fontpicker     use wxFontPickerCtrl class], wxUSE_FONTPICKERCTRL)
 WX_ARG_ENABLE(gauge,       [  --enable-gauge          use wxGauge class], wxUSE_GAUGE)
@@ -1735,7 +1745,7 @@ case "${host}" in
       if test "$wxUSE_SHARED" = "yes" -a "$wxUSE_OMF" = "no"; then
         AC_MSG_WARN([Building DLLs requires OMF mode, enabled])
         wxUSE_OMF=yes
-       enable_omf=yes
+        enable_omf=yes
       fi
       dnl (end of OS/2-only piece)
   ;;
@@ -2453,6 +2463,14 @@ else
     fi
 fi
 
+dnl check for C99 string to long long conversion functions, assume that if we
+dnl have the unsigned variants, then we have the signed ones as well
+if test "wxUSE_UNICODE" = "yes"; then
+    AC_CHECK_FUNCS(wcstoull)
+else
+    AC_CHECK_FUNCS(strtoull)
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
@@ -3085,6 +3103,9 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 AC_MSG_WARN([Unicode configuration not supported with GTK+ 1.x])
                 wxUSE_UNICODE=no
             fi
+
+            dnl test for XIM support in libgdk
+            AC_CHECK_LIB(gdk, gdk_im_open, AC_DEFINE(HAVE_XIM))
         fi
 
         AC_LANG_POP
@@ -3102,10 +3123,6 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         TOOLKIT=GTK
         GUIDIST=GTK_DIST
 
-        dnl test for XIM support in libgdk
-        AC_CHECK_LIB(gdk, gdk_im_open, AC_DEFINE(HAVE_XIM))
-
-
         dnl test for external libxpm if we're configured to use it
         if test "$wxUSE_GPE" = "yes"; then
             AC_MSG_CHECKING(for gpewidget library)
@@ -3202,6 +3219,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
     fi
 
     if test "$wxUSE_DFB" = 1; then
+       PKG_PROG_PKG_CONFIG()
+
        PKG_CHECK_MODULES(DIRECTFB,
                          [directfb >= 0.9.22],
                          [
@@ -3278,42 +3297,44 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         fi
 
         if test "$wxUSE_UNICODE" = "yes"; then
-                PKG_CHECK_MODULES(PANGOX, pangox,
-                    [
-                        CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
-                        GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOX_LIBS"
-                    ],
-                    [
-                        AC_MSG_ERROR([pangox library not found, library cannot be compiled in Unicode mode])
-                    ]
-                )
-                PKG_CHECK_MODULES(PANGOFT2, pangoft2,
-                    [
-                        CXXFLAGS="$PANGOFT2_CFLAGS $CXXFLAGS"
-                        GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOFT2_LIBS"
-                    ],
-                    [
-                        AC_MSG_WARN([pangoft2 library not found, library will be compiled without printing support])
-                        wxUSE_PRINTING_ARCHITECTURE="no"
-                    ]
-                )
-                PKG_CHECK_MODULES(PANGOXFT, pangoxft,
-                    [
-                        AC_DEFINE(HAVE_PANGO_XFT)
-                        CXXFLAGS="$PANGOXFT_CFLAGS $CXXFLAGS"
-                        GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOXFT_LIBS"
-                    ],
-                    [
-                        AC_MSG_WARN([pangoxft library not found, library will be compiled without anti-aliasing support])
-                    ]
-                )
-                save_CXXFLAGS="$CXXFLAGS"
-                save_LIBS="$LIBS"
-                CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
-                LIBS="$LIBS $PANGOX_LIBS"
-                AC_CHECK_FUNCS([pango_font_family_is_monospace])
-                CXXFLAGS="$save_CXXFLAGS"
-                LIBS="$save_LIBS"
+            PKG_PROG_PKG_CONFIG()
+
+            PKG_CHECK_MODULES(PANGOX, pangox,
+                [
+                    CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
+                    GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOX_LIBS"
+                ],
+                [
+                    AC_MSG_ERROR([pangox library not found, library cannot be compiled in Unicode mode])
+                ]
+            )
+            PKG_CHECK_MODULES(PANGOFT2, pangoft2,
+                [
+                    CXXFLAGS="$PANGOFT2_CFLAGS $CXXFLAGS"
+                    GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOFT2_LIBS"
+                ],
+                [
+                    AC_MSG_WARN([pangoft2 library not found, library will be compiled without printing support])
+                    wxUSE_PRINTING_ARCHITECTURE="no"
+                ]
+            )
+            PKG_CHECK_MODULES(PANGOXFT, pangoxft,
+                [
+                    AC_DEFINE(HAVE_PANGO_XFT)
+                    CXXFLAGS="$PANGOXFT_CFLAGS $CXXFLAGS"
+                    GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOXFT_LIBS"
+                ],
+                [
+                    AC_MSG_WARN([pangoxft library not found, library will be compiled without anti-aliasing support])
+                ]
+            )
+            save_CXXFLAGS="$CXXFLAGS"
+            save_LIBS="$LIBS"
+            CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
+            LIBS="$LIBS $PANGOX_LIBS"
+            AC_CHECK_FUNCS([pango_font_family_is_monospace])
+            CXXFLAGS="$save_CXXFLAGS"
+            LIBS="$save_LIBS"
         fi
 
         wxUSE_UNIVERSAL="yes"
@@ -3789,6 +3810,31 @@ dnl ---------------------------------------------------------------------------
     fi
 fi
 
+dnl ---------------------------------------------------------------------------
+dnl X11 session management
+dnl ---------------------------------------------------------------------------
+if test "$wxUSE_DETECT_SM" = "yes"; then
+    if test "$wxUSE_UNIX" = "yes" -a "$wxUSE_MAC" != 1 -a "$wxUSE_COCOA" != 1; then
+        AC_MSG_CHECKING([for -lSM - X11 session management])
+        WX_PATH_FIND_LIBRARIES([$SEARCH_LIB],SM)
+        if test "$ac_find_libraries" != "" ; then
+            WX_LINK_PATH_EXIST([$ac_find_libraries],[$LDFLAGS])
+            if test "$ac_path_to_link" != " -L/usr/lib" ; then
+                LDFLAGS="$LDFLAGS $ac_path_to_link"
+            fi
+            GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lSM"
+            AC_MSG_RESULT([yes])
+        else
+            AC_MSG_RESULT([no])
+            AC_MSG_WARN([libSM not found; disabling session management detection])
+            wxUSE_DETECT_SM="no"
+        fi
+    else
+        wxUSE_DETECT_SM="no"
+    fi
+fi
+
+
 dnl ---------------------------------------------------------------------------
 dnl OpenGL libraries
 dnl ---------------------------------------------------------------------------
@@ -4796,7 +4842,10 @@ if test "x$INET_LINK" != "x"; then
     INET_LINK=" -l$INET_LINK"
 fi
 
+WX_CHECK_FUNCS(fdopen)
+
 fi
+
 dnl if !MSW
 
 
@@ -5206,7 +5255,7 @@ dnl AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(HAVE_GETADDRINFO), [
     dnl sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments
       AX_FUNC_WHICH_GETHOSTBYNAME_R
       if test "x$ac_cv_func_which_gethostbyname_r" = "xno" -o \
-             "x$ac_cv_func_which_gethostbyname_r" = "xunknown" ; then
+              "x$ac_cv_func_which_gethostbyname_r" = "xunknown" ; then
           AC_CHECK_FUNC(gethostbyname, [ AC_DEFINE(HAVE_GETHOSTBYNAME) ])
       fi
       dnl A similar test for getservbyname_r
@@ -5215,7 +5264,7 @@ dnl AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(HAVE_GETADDRINFO), [
       dnl doing the test already exists, so using it is easy enough.     - SN
       AC_raf_FUNC_WHICH_GETSERVBYNAME_R
       if test "x$ac_cv_func_which_getservbyname_r" = "xno" -o \
-             "x$ac_cv_func_which_getservbyname_r" = "xunknown" ; then
+              "x$ac_cv_func_which_getservbyname_r" = "xunknown" ; then
           AC_CHECK_FUNCS(getservbyname,[ AC_DEFINE(HAVE_GETSERVBYNAME) ])
       fi
       dnl For gethostbyaddr_r, we currently do no separate test, instead, we
@@ -5665,16 +5714,13 @@ if test "$wxUSE_FFILE" = "yes"; then
   AC_DEFINE(wxUSE_FFILE)
 fi
 
-if test "$wxUSE_FILESYSTEM" = "yes"; then
-  AC_DEFINE(wxUSE_FILESYSTEM)
-fi
-
-if test "$wxUSE_FS_ZIP" = "yes"; then
-  AC_DEFINE(wxUSE_FS_ZIP)
-fi
-
 if test "$wxUSE_ARCHIVE_STREAMS" = "yes"; then
-  AC_DEFINE(wxUSE_ARCHIVE_STREAMS)
+  if test "$wxUSE_STREAMS" != yes; then
+    AC_MSG_WARN(wxArchive requires wxStreams... disabled)
+    wxUSE_ARCHIVE_STREAMS=no
+  else
+    AC_DEFINE(wxUSE_ARCHIVE_STREAMS)
+  fi
 fi
 
 if test "$wxUSE_ZIPSTREAM" = "yes"; then
@@ -5687,6 +5733,39 @@ if test "$wxUSE_ZIPSTREAM" = "yes"; then
   fi
 fi
 
+if test "$wxUSE_TARSTREAM" = "yes"; then
+  if test "$wxUSE_ARCHIVE_STREAMS" != "yes"; then
+    AC_MSG_WARN(wxTar requires wxArchive... disabled)
+  else
+    AC_DEFINE(wxUSE_TARSTREAM)
+  fi
+fi
+
+if test "$wxUSE_FILESYSTEM" = "yes"; then
+  if test "$wxUSE_STREAMS" != yes -o \( "$wxUSE_FILE" != yes -a "$wxUSE_FFILE" != yes \); then
+    AC_MSG_WARN(wxFileSystem requires wxStreams and wxFile or wxFFile... disabled)
+    wxUSE_FILESYSTEM=no
+  else
+    AC_DEFINE(wxUSE_FILESYSTEM)
+  fi
+fi
+
+if test "$wxUSE_FS_ARCHIVE" = "yes"; then
+  if test "$wxUSE_FILESYSTEM" != yes -o "$wxUSE_ARCHIVE_STREAMS" != yes; then
+    AC_MSG_WARN(wxArchiveFSHandler requires wxArchive and wxFileSystem... disabled)
+  else
+    AC_DEFINE(wxUSE_FS_ARCHIVE)
+  fi
+fi
+
+if test "$wxUSE_FS_ZIP" = "yes"; then
+  if test "$wxUSE_FS_ARCHIVE" != yes; then
+    AC_MSG_WARN(wxZipFSHandler requires wxArchiveFSHandler... disabled)
+  else
+    AC_DEFINE(wxUSE_FS_ZIP)
+  fi
+fi
+
 if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
   if test "$USE_UNIX" != 1; then
     AC_MSG_WARN([Catching fatal exceptions not currently supported on this system, wxApp::OnFatalException will not be called])
@@ -6556,6 +6635,10 @@ if test "$wxUSE_DISPLAY" = "yes"; then
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS display multimon"
 fi
 
+if test "$wxUSE_DETECT_SM" = "yes"; then
+    AC_DEFINE(wxUSE_DETECT_SM)
+fi
+
 if test "$wxUSE_GAUGE" = "yes"; then
   AC_DEFINE(wxUSE_GAUGE)
   USES_CONTROLS=1
@@ -6926,10 +7009,6 @@ if test "$wxUSE_RICHTEXT" = "yes"; then
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS richtext"
 fi
 
-if test "$wxUSE_GRAPHICS_CONTEXT" = "yes"; then
-  AC_DEFINE(wxUSE_GRAPHICS_CONTEXT)
-fi
-
 dnl ---------------------------------------------------------------------------
 dnl wxImage options
 dnl ---------------------------------------------------------------------------
@@ -7036,6 +7115,25 @@ if test "$wxUSE_WIZARDDLG" = "yes"; then
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS wizard"
 fi
 
+dnl ---------------------------------------------------------------------------
+dnl wxGraphicsContext
+dnl ---------------------------------------------------------------------------
+
+if test "$wxUSE_GRAPHICS_CONTEXT" = "yes"; then
+   if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = "1"; then
+      AC_DEFINE(wxUSE_GRAPHICS_CONTEXT)
+   elif test "$wxUSE_GTK" != 1; then
+      dnl for other builds we'll just wing it for now...
+      AC_DEFINE(wxUSE_GRAPHICS_CONTEXT)
+   else
+      dnl ...but let's check for cairo availability for wxGTK builds
+      PKG_CHECK_MODULES(CAIRO, cairo,
+          [AC_DEFINE(wxUSE_GRAPHICS_CONTEXT)],
+          [AC_MSG_WARN([Cairo library not found, unable to set wxUSE_GRAPHICS_CONTEXT])]
+      )
+   fi
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl wxMediaCtrl
 dnl ---------------------------------------------------------------------------
@@ -7514,8 +7612,69 @@ if test "$wxUSE_MAC" = 1 ; then
     #       The makefile currently uses AR and RANLIB, which libtool apparently supercedes.
 fi
 
+dnl gcc 3.4 has a pch bug which truncates wide character constants in headers.
+dnl Hopefully for a non-unicode build there aren't any wide constants in
+dnl headers, but for a unicode build it's best to disable pch.
+if test "$wxUSE_UNICODE" = yes -a "$GCC" = yes -a "$bk_use_pch" != no
+then
+    AC_CACHE_CHECK(
+        [for gcc precompiled header bug],
+        [wx_cv_gcc_pch_bug],
+        [[
+            echo '#include <stdio.h>
+                  const wchar_t test_var[] = L"awidetest";' > conftest.h
+
+            echo '#include "conftest.h"
+                  int main()
+                  {
+                     printf("%ls", test_var);
+                     return 0;
+                  }' > conftest.cpp
+
+            wx_cv_gcc_pch_bug="pch not supported"
+
+            if $CXX conftest.h >/dev/null 2>&1
+            then
+                wx_cv_gcc_pch_bug=
+
+                if $CXX -o conftest$PROGRAM_EXT conftest.cpp >/dev/null 2>&1
+                then
+                    if tr -dc '[a-z]' < conftest$PROGRAM_EXT |
+                        grep awidetest >/dev/null
+                    then
+                        wx_cv_gcc_pch_bug=no
+                    else
+                        wx_cv_gcc_pch_bug=yes
+                    fi
+                fi
+            fi
+
+            rm -f conftest.h conftest.gch conftest.cpp conftest$PROGRAM_EXT
+        ]])
+
+    if test "$wx_cv_gcc_pch_bug" = yes; then
+        dnl make the default for pch 'no'
+        dnl further below check whether the user overrode and warn them
+        bk_use_pch=no
+    fi
+fi
+
 AC_BAKEFILE([m4_include(autoconf_inc.m4)])
 
+dnl find out if the compiler supports PCH
+dnl
+dnl TODO: this should be in bakefile
+if test $GCC_PCH = 1
+then
+    if test "$wx_cv_gcc_pch_bug" = yes; then
+        AC_MSG_WARN([*** Precompiled header support is broken on this compiler])
+        AC_MSG_WARN([*** --enable-precomp-headers is not recommended])
+        AC_MSG_WARN([*** see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13361])
+    fi
+
+    CPPFLAGS="-DWX_PRECOMP $CPPFLAGS"
+fi
+
 dnl HACK ALERT!! 
 dnl For now, we need to alter bk-deps not to generate deps
 dnl when we've configured a Universal binary build.
@@ -7548,8 +7707,8 @@ if test "$wxUSE_SHARED" = "yes"; then
       *-pc-os2_emx | *-pc-os2-emx )
         SHARED_LD_CC="`pwd`/dllar.sh -name-mangler-script ./dllnames.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
         SHARED_LD_CXX="`pwd`/dllar.sh -name-mangler-script ./dllnames.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
-       cp -p ${srcdir}/src/os2/dllnames.sh .
-       cp -p ${srcdir}/src/os2/dllar.sh .
+        cp -p ${srcdir}/src/os2/dllnames.sh .
+        cp -p ${srcdir}/src/os2/dllar.sh .
       ;;
     esac
 else
@@ -7568,13 +7727,6 @@ if test "$wxUSE_OMF" = "yes"; then
     esac
 fi
 
-dnl find out if the compiler supports PCH
-dnl
-dnl TODO: this should be in bakefile
-if test $GCC_PCH = 1 ; then
-    CPPFLAGS="-DWX_PRECOMP $CPPFLAGS"
-fi
-
 dnl TOOLCHAIN_DEFS should be used for both wx and client code
 WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS $TOOLCHAIN_DEFS"