]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
fixed unused parameter warnings in non-debug build
[wxWidgets.git] / configure.in
index a74bac5c66dfa90ad25b3c02c4f41d59088d3571..1dc0572b297bbd40b587148f311b5cd28ba4338f 100644 (file)
@@ -17,7 +17,7 @@ dnl ---------------------------------------------------------------------------
 dnl initialization
 dnl ---------------------------------------------------------------------------
 
-AC_INIT([wxWidgets], [2.6.2], [wx-dev@lists.wxwidgets.org])
+AC_INIT([wxWidgets], [2.7.0], [wx-dev@lists.wxwidgets.org])
 
 dnl the file passed to AC_CONFIG_SRCDIR should be specific to our package
 AC_CONFIG_SRCDIR([wx-config.in])
@@ -33,9 +33,9 @@ dnl
 dnl wx_release_number += 1
 
 wx_major_version_number=2
-wx_minor_version_number=6
-wx_release_number=2
-wx_subrelease_number=1
+wx_minor_version_number=7
+wx_release_number=0
+wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number
@@ -134,6 +134,10 @@ case "${host}" in
     NEEDS_D_REENTRANT_FOR_R_FUNCS=1
     SO_SUFFIX=sl
     AC_DEFINE(__HPUX__)
+
+    dnl many standard declarations in HP-UX headers are only included if either
+    dnl _HPUX_SOURCE is defined, see stdsyms(5)
+    CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
   ;;
   *-*-linux* )
     USE_LINUX=1
@@ -781,6 +785,7 @@ dnl ---------------------------------------------------------------------------
 WX_ARG_ENABLE(gui,         [  --enable-gui            use GUI classes], wxUSE_GUI)
 WX_ARG_ENABLE(monolithic,  [  --enable-monolithic     build wxWidgets as single library], wxUSE_MONOLITHIC)
 WX_ARG_ENABLE(plugins,     [  --enable-plugins        build parts of wxWidgets as loadable components], wxUSE_PLUGINS)
+WX_ARG_WITH(subdirs,       [  --without-subdirs       don't generate makefiles for samples/demos/...], wxWITH_SUBDIRS, without)
 
 if test "$wxUSE_GUI" = "yes"; then
 
@@ -1517,7 +1522,6 @@ if test "x$XLCXX" = "xyes" -a "x$USE_AIX" = "x1"; then
     CXXFLAGS="$CXXFLAGS -qunique"
 fi
 
-
 dnl This case is for PowerPC OS X vs. everything else
 case "${host}" in
   powerpc-*-darwin* )
@@ -1940,6 +1944,20 @@ if test "x$SGICXX" = "xyes"; then
     CXXFLAGS="$CXXFLAGS -woff 3970"
 fi
 
+dnl HP-UX c89/aCC compiler warnings
+if test "x$HPCC" = "xyes"; then
+    dnl 2011: "unrecognized preprocessor directive": nice warning but it's given
+    dnl       even for directives inside #if which is not true (i.e. which are
+    dnl       used for other compilers/OS) and so we have no way to get rid of it
+    dnl 2450: "long long is non standard" -- yes, we know
+    CFLAGS="$CFLAGS +W 2011,2450"
+fi
+if test "x$HPCXX" = "xyes"; then
+    dnl 2340: "value copied to temporary, reference to temporary used": very
+    dnl       painful as triggered by any occurrence of user-defined conversion
+    CXXFLAGS="$CXXFLAGS +W 2340"
+fi
+
 dnl check for std::string or std::wstring
 if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
     AC_LANG_PUSH(C++)
@@ -2091,9 +2109,6 @@ SEARCH_INCLUDE="\
     /usr/Motif-2.1/include    \
     /usr/Motif-1.2/include    \
     /usr/include/Motif1.2     \
-    /opt/xpm/include/X11      \
-    /opt/GBxpm/include/       \
-    /opt/GBxpm/X11/include/   \
                               \
     /usr/dt/include           \
     /usr/openwin/include      \
@@ -2122,39 +2137,69 @@ SEARCH_INCLUDE="\
     /usr/local/X11/include    \
     /usr/local/include/X11    \
                               \
-    /usr/X386/include         \
-    /usr/x386/include         \
     /usr/XFree86/include/X11  \
-                              \
     /usr/pkg/include          \
                               \
-    X:/XFree86/include        \
-    X:/XFree86/include/X11    \
-                              \
-    /usr/include/gtk          \
-    /usr/local/include/gtk    \
-    /usr/include/glib         \
-    /usr/local/include/glib   \
-                              \
-    /usr/include/qt           \
-    /usr/local/include/qt     \
-                              \
-    /usr/local/arm/3.3.2/include     \
-                              \
-    /usr/include/windows      \
-    /usr/include/wine         \
-    /usr/local/include/wine   \
-                              \
-    /usr/unsupported/include  \
-    /usr/athena/include       \
-    /usr/local/x11r5/include  \
-    /usr/lpp/Xamples/include  \
-                              \
     /usr/openwin/share/include"
 
-dnl add 64 bit X11 libs for Linux on AMD, they must come before the usual
-dnl locations or 64 bit compilation failed
-SEARCH_LIB="/usr/X11R6/lib64 `echo "$SEARCH_INCLUDE" | sed s/include/lib/g`"
+dnl try to find out the standard lib locations for the systems with multiple
+dnl ABIs
+AC_MSG_CHECKING([for libraries directory])
+
+case "${host}" in
+    *-*-irix6* )
+        AC_CACHE_VAL(
+            wx_cv_std_libpath,
+            [
+                for d in WX_STD_LIBPATH(); do
+                    for e in a so sl dylib dll.a; do
+                        libc="$d/libc.$e"
+                        if test -f $libc; then
+                            save_LIBS="$LIBS"
+                            LIBS="$libc"
+                            AC_LINK_IFELSE([int main() { return 0; }],
+                                wx_cv_std_libpath=`echo $d | sed s@/usr/@@`)
+                            LIBS="$save_LIBS"
+                            if test "x$wx_cv_std_libpath" != "x"; then
+                                break 2
+                            fi
+                        fi
+                    done
+                done
+                if test "x$wx_cv_std_libpath" = "x"; then
+                    wx_cv_std_libpath="lib"
+                fi
+            ]
+        )
+        ;;
+
+    *-*-solaris2* )
+        dnl use ../lib or ../lib/64 depending on the size of void*
+        if test "$ac_cv_sizeof_void_p" = 8 -a -d "/usr/lib/64"; then
+            wx_cv_std_libpath="lib/64"
+        else
+            wx_cv_std_libpath="lib"
+        fi
+        ;;
+
+    *-*-linux* )
+        dnl use ../lib or ../lib64 depending on the size of void*
+        if test "$ac_cv_sizeof_void_p" = 8 -a \
+                -d "/usr/lib64" -a ! -h "/usr/lib64"; then
+            wx_cv_std_libpath="lib64"
+        else
+            wx_cv_std_libpath="lib"
+        fi
+        ;;
+
+    *)
+        wx_cv_std_libpath="lib";
+        ;;
+esac
+
+AC_MSG_RESULT($wx_cv_std_libpath)
+
+SEARCH_LIB="`echo "$SEARCH_INCLUDE" | sed s@include@$wx_cv_std_libpath@g` /usr/$wx_cv_std_libpath"
 
 dnl Cross compiling with gcc?
 if test "$build" != "$host" -a "$GCC" = yes; then
@@ -2716,8 +2761,32 @@ if test "$wxUSE_GUI" = "yes"; then
 
                 dnl detect GTK2
                 wx_cv_lib_gtk=
-                if test "x$wxGTK_VERSION" != "x1"; then
+                if test "x$wxGTK_VERSION" != "x1"
+                then
+                    dnl The gthread.pc that ships with solaris returns '-mt',
+                    dnl it's correct for Sun CC, but gcc requires '-pthreads'.
+                    dnl So disable the compile check and remove the -mt below.
+                    case "${host}" in
+                        *-*-solaris2* )
+                            if test "$wxUSE_THREADS" = "yes" -a "$GCC" = yes; then
+                               enable_gtktest=no
+                            fi
+                    esac
+
                     AM_PATH_GTK_2_0(2.0.0, wx_cv_lib_gtk=2.0, , $GTK_MODULES)
+
+                    dnl Remove the '-mt' for gcc on solaris
+                    case "${host}" in
+                        *-*-solaris2* )
+                            if test "$wxUSE_THREADS" = "yes" -a "$GCC" = yes; then
+                                GTK_CFLAGS=`echo $GTK_CFLAGS | sed 's/-mt//'`
+                                GTK_LIBS=`echo $GTK_LIBS | sed 's/-mt//'`
+                            fi
+                            dnl solaris also requires -lX11 for static lib
+                            if test "$wxUSE_SHARED" != "yes"; then
+                                GTK_LIBS="$GTK_LIBS -lX11"
+                            fi
+                    esac
                 fi
 
                 dnl detect GTK1.x
@@ -2968,7 +3037,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         AC_PATH_XTRA
 
         if test "$no_x" = "yes"; then
-          AC_MSG_ERROR(X11 not found, please use --x-includes and/or --x-libraries options)
+          AC_MSG_ERROR([X11 not found, please use --x-includes and/or --x-libraries options (see config.log for details)])
         fi
 
         dnl for some reason AC_PATH_XTRA seems to add -INONE and -LNONE (and
@@ -3082,41 +3151,44 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             CFLAGS=$save_CFLAGS
         fi
 
-        if test "$COMPILED_X_PROGRAM" = 0; then
-            AC_MSG_CHECKING(for Motif/Lesstif library)
-            WX_PATH_FIND_LIBRARIES($SEARCH_LIB, Xm)
-            if test "$ac_find_libraries" != "" ; then
-                AC_MSG_RESULT(found in $ac_find_libraries)
 
-                WX_LINK_PATH_EXIST($ac_find_libraries, $GUI_TK_LIBRARY)
-                GUI_TK_LIBRARY="$GUI_TK_LIBRARY$ac_path_to_link"
-            else
-                dnl it might happen that we found headers in one of the
-                dnl standard paths but the libs are elsewhere - we do need to
-                dnl try to compile a sample program then here
-                save_CFLAGS=$CFLAGS
-                CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
+        AC_MSG_CHECKING(for Motif/Lesstif library)
+        WX_PATH_FIND_LIBRARIES($SEARCH_LIB, Xm)
 
-                AC_TRY_COMPILE(
-                    [
-                        #include <Xm/Xm.h>
-                    ],
-                    [
-                        int version;
-                        version = xmUseVersion;
-                    ],
-                    [
-                        AC_MSG_RESULT(found in default search path)
-                        COMPILED_X_PROGRAM=1
-                    ],
-                    [
-                        AC_MSG_RESULT(no)
-                        AC_MSG_ERROR(please set LDFLAGS to contain the location of libXm)
-                    ]
-                )
+        if test "x$ac_find_libraries" != "x" ; then
+            AC_MSG_RESULT(found in $ac_find_libraries)
 
-                CFLAGS=$save_CFLAGS
-            fi
+            WX_LINK_PATH_EXIST($ac_find_libraries, $GUI_TK_LIBRARY)
+            GUI_TK_LIBRARY="$GUI_TK_LIBRARY$ac_path_to_link"
+        else
+            dnl it might happen that we found headers in one of the standard
+            dnl paths but the libs are elsewhere but still in default (linker)
+            dnl path -- try to compile a test program to check for this
+            save_CFLAGS=$CFLAGS
+            CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
+            save_LIBS="$LIBS"
+            LIBS="$GUI_TK_LIBRARY -lXm -lXmu -lXext -lX11"
+
+            AC_TRY_LINK(
+                [
+                    #include <Xm/Xm.h>
+                ],
+                [
+                    int version;
+                    version = xmUseVersion;
+                ],
+                [
+                    AC_MSG_RESULT(found in default search path)
+                    COMPILED_X_PROGRAM=1
+                ],
+                [
+                    AC_MSG_RESULT(no)
+                    AC_MSG_ERROR(please set LDFLAGS to contain the location of libXm)
+                ]
+            )
+
+            CFLAGS=$save_CFLAGS
+            LIBS="$save_LIBS"
         fi
 
         AC_MSG_CHECKING([if we need -lXp and/or -lSM -lICE])
@@ -3170,41 +3242,44 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
 
         save_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
-        AC_MSG_CHECKING([for Motif 2])
-        AC_TRY_COMPILE([
-                        #include <Xm/Xm.h>
-                       ],
-                       [
-                        #if XmVersion < 2000
-                        Not Motif 2
-                        #endif
-                       ],
-                       [
-                        AC_DEFINE(__WXMOTIF20__,1)
-                        AC_MSG_RESULT([found])
-                       ],
-                       [
-                        AC_DEFINE(__WXMOTIF20__,0)
-                        AC_MSG_RESULT([not found])
-                       ])
-
-        AC_MSG_CHECKING([whether Motif is Lesstif])
-        AC_TRY_COMPILE([
-                        #include <Xm/Xm.h>
-                       ],
-                       [
-                        #if !defined(LesstifVersion) || LesstifVersion <= 0
-                        Not Lesstif
-                        #endif
-                       ],
-                       [
-                        AC_DEFINE(__WXLESSTIF__,1)
-                        AC_MSG_RESULT([yes])
-                       ],
-                       [
-                        AC_DEFINE(__WXLESSTIF__,0)
-                        AC_MSG_RESULT([no])
-                       ])
+
+        AC_CACHE_CHECK([for Motif 2],
+            wx_cv_lib_motif2,
+            AC_TRY_COMPILE([
+                            #include <Xm/Xm.h>
+                           ],
+                           [
+                            #if XmVersion < 2000
+                            Not Motif 2
+                            #endif
+                           ],
+                           wx_cv_lib_motif2="yes",
+                           wx_cv_lib_motif2="no"))
+        if test "$wx_cv_lib_motif2" = "yes"; then
+            AC_DEFINE(__WXMOTIF20__,1)
+        else
+            AC_DEFINE(__WXMOTIF20__,0)
+        fi
+
+        AC_CACHE_CHECK([whether Motif is Lesstif],
+            wx_cv_lib_lesstif,
+            AC_TRY_COMPILE([
+                            #include <Xm/Xm.h>
+                           ],
+                           [
+                            #if !defined(LesstifVersion) || LesstifVersion <= 0
+                            Not Lesstif
+                            #endif
+                           ],
+                           wx_cv_lib_lesstif="yes",
+                           wx_cv_lib_lesstif="no")
+        )
+        if test "$wx_cv_lib_lesstif" = "yes"; then
+            AC_DEFINE(__WXLESSTIF__,1)
+        else
+            AC_DEFINE(__WXLESSTIF__,0)
+        fi
+
         CFLAGS=$save_CFLAGS
 
         GUI_TK_LIBRARY="$GUI_TK_LIBRARY${libsgm_link} -lXm${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
@@ -4786,16 +4861,31 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
             [
                pthread_mutexattr_t attr;
                pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-            ], [
-               wx_cv_type_pthread_mutexattr_t=yes
-            ], [
-               wx_cv_type_pthread_mutexattr_t=no
-            ]
+            ],
+            wx_cv_type_pthread_mutexattr_t=yes,
+            wx_cv_type_pthread_mutexattr_t=no
         )
       ])
 
       if test "$wx_cv_type_pthread_mutexattr_t" = "yes"; then
         AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_T)
+
+        dnl check if we already have the declaration we need, it is not
+        dnl present in some systems' headers
+        AC_CACHE_CHECK([for pthread_mutexattr_settype declaration],
+                       wx_cv_func_pthread_mutexattr_settype_decl, [
+                       AC_TRY_COMPILE([#include <pthread.h>],
+                           [
+                               pthread_mutexattr_t attr;
+                               pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+                           ],
+                           wx_cv_func_pthread_mutexattr_settype_decl=yes,
+                           wx_cv_func_pthread_mutexattr_settype_decl=no
+                       )
+        ])
+        if test "$wx_cv_func_pthread_mutexattr_settype_decl" = "yes"; then
+            AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_SETTYPE_DECL)
+        fi
       else
         dnl don't despair, there may be another way to do it
         AC_CACHE_CHECK([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER],
@@ -5380,11 +5470,34 @@ fi
 
 dnl ---------------------------------------------------------------------------
 dnl time/date functions
-dnl ------------------------------------------------------------------------
+dnl ---------------------------------------------------------------------------
 
 if test "$wxUSE_DATETIME" = "yes"; then
-    dnl check for strptime
+    dnl check for strptime and for its declaration as some systems lack it
     AC_CHECK_FUNCS(strptime)
+    if test "$ac_cv_func_strptime" = "yes"; then
+        AC_CACHE_CHECK([for strptime declaration], wx_cv_func_strptime_decl,
+            [
+                AC_LANG_SAVE
+                AC_LANG_CPLUSPLUS
+                AC_TRY_COMPILE(
+                    [
+                        #include <time.h>
+                    ],
+                    [
+                        struct tm t;
+                        strptime("foo", "bar", &t);
+                    ],
+                    wx_cv_func_strptime_decl=yes,
+                    wx_cv_func_strptime_decl=no
+                )
+                AC_LANG_RESTORE
+            ]
+        )
+    fi
+    if test "$wx_cv_func_strptime_decl" = "yes"; then
+        AC_DEFINE(HAVE_STRPTIME_DECL)
+    fi
 
     dnl check for timezone variable
     dnl   doesn't exist under Darwin / Mac OS X which uses tm_gmtoff instead
@@ -5582,9 +5695,9 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                         dnl converting between incompatible pointer types, so
                         dnl try to use it to get the correct behaviour at
                         dnl least with gcc (otherwise we'd always use size_t)
-                        CFLAGS_OLD="$CFLAGS"
+                        CXXFLAGS_OLD="$CXXFLAGS"
                         if test "$GCC" = yes ; then
-                            CFLAGS="$CFLAGS -Werror"
+                            CXXFLAGS="$CXXFLAGS -Werror"
                         fi
 
                         AC_TRY_COMPILE(
@@ -5611,7 +5724,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                             )
                         )
 
-                        CFLAGS="$CFLAGS_OLD"
+                        CXXFLAGS="$CXXFLAGS_OLD"
                     ]
                 )
             ])
@@ -5643,9 +5756,9 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                         dnl converting between incompatible pointer types, so
                         dnl try to use it to get the correct behaviour at
                         dnl least with gcc (otherwise we'd always use size_t)
-                        CFLAGS_OLD="$CFLAGS"
+                        CXXFLAGS_OLD="$CXXFLAGS"
                         if test "$GCC" = yes ; then
-                            CFLAGS="$CFLAGS -Werror"
+                            CXXFLAGS="$CXXFLAGS -Werror"
                         fi
 
                         AC_TRY_COMPILE(
@@ -5672,7 +5785,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                             )
                         )
 
-                        CFLAGS="$CFLAGS_OLD"
+                        CXXFLAGS="$CXXFLAGS_OLD"
                     ]
                 )
             ])
@@ -6793,10 +6906,42 @@ INCLUDES="-I\${top_builddir}lib/wx/include/${TOOLCHAIN_FULLNAME} \
 -I\${top_srcdir}/include $TOOLKIT_INCLUDE"
 
 dnl C/C++ compiler options used to compile wxWidgets
-if test "$GXX" = yes ; then
-    dnl CXXWARNINGS="-Wall -W -Wcast-qual -Werror"
+dnl
+dnl check for icc before gcc as icc is also recognized as gcc
+if test "x$INTELCC" = "xyes" ; then
+    dnl Warnings which can't be easily suppressed in C code are disabled:
+    dnl
+    dnl     remark #810: conversion from "x" to "y" may lose significant bits
+    dnl     remark #869: parameter "foo" was never referenced
+    dnl     remark #1572: floating-point equality and inequality comparisons
+    dnl                   are unreliable
+    dnl     remark #1684: conversion from pointer to same-sized integral type
+    dnl
+    dnl (for others see below)
+    CWARNINGS="-Wall -wd810,869,981,1418,1572,1684"
+elif test "$GCC" = yes ; then
     CWARNINGS="-Wall -Wundef"
-    CXXWARNINGS="$CWARNINGS -Wno-ctor-dtor-privacy" 
+fi
+
+if test "x$INTELCXX" = "xyes" ; then
+    dnl Intel compiler gives some warnings which simply can't be worked
+    dnl around or of which we have too many (810, 869) so it's impractical to
+    dnl keep them enabled even if in theory it would be nice and some others
+    dnl (279) are generated for standard macros and so there is nothing we can
+    dnl do about them
+    dnl
+    dnl     remark #279: controlling expression is constant
+    dnl     remark #383: value copied to temporary, reference to temporary used
+    dnl     remark #444: destructor for base class "xxx" is not virtual
+    dnl     remark #810: conversion from "x" to "y" may lose significant bits
+    dnl     remark #869: parameter "foo" was never referenced
+    dnl     remark #981: operands are evaluated in unspecified order
+    dnl     remark #1418: external definition with no prior declaration
+    dnl     remark #1419: external declaration in primary source file
+    CXXWARNINGS="-Wall -wd279,383,444,810,869,981,1418,1419"
+elif test "$GXX" = yes ; then
+    dnl CXXWARNINGS="-Wall -W -Wcast-qual -Werror"
+    CXXWARNINGS="-Wall -Wundef -Wno-ctor-dtor-privacy" 
 fi
 
 EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE"
@@ -7005,77 +7150,16 @@ if test "$wxUSE_OMF" = "yes"; then
     esac
 fi
 
-dnl According to Vaclav, if NO_GCC_PRAGMA is used for any reason it needs to
-dnl be in wx-config output.  Not doing so could result in link problems.
-GCC_PRAGMA_FLAGS=""
-PCH_FLAGS=""
-
-dnl Find out if we have to define WX_PRECOMP (and thus NO_GCC_PRAGMA)
+dnl find out if the compiler supports PCH
+dnl
+dnl TODO: this should be in bakefile
 if test $GCC_PCH = 1 ; then
-    PCH_FLAGS="-DWX_PRECOMP"
-    GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-else
-    dnl Find out if we have to define NO_GCC_PRAGMA
-    if test "$GCC" = yes; then
-        AC_MSG_CHECKING([if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA])
-        AC_TRY_COMPILE([],
-            [#if (__GNUC__ < 4)
-             Not GCC 4.0 or greater
-             #endif
-            ],
-            [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-             AC_MSG_RESULT([yes])],
-            [AC_MSG_RESULT([no])
-            case "${host}" in
-                *-*-darwin* )
-                    dnl Some Apple's GCC version are broken and can't handle the
-                    dnl pragmas:
-                    GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                ;;
-                *-*-mingw32* )
-                    dnl MinGW GCC versions > 3.2 have problems with
-                    dnl static member of classes derived from templates
-                    dnl in combination with #pragma interface/implementation
-                    dnl (the test case uses 4 files)
-                    dnl ... and with exceptions handling (undefined symbols needed
-                    dnl to correctly calls dtors when unwinding) as well
-                    if test "$wxUSE_STL" = "yes" -o \
-                    "$wxUSE_NO_EXCEPTIONS" != "yes" -o \
-                    "$wxUSE_NO_RTTI" != "yes"; then
-                        AC_MSG_CHECKING([if this MinGW version needs -DNO_GCC_PRAGMA])
-                        AC_TRY_COMPILE([],
-                            [#if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
-                             Not GCC 3.2 or greater
-                             #endif
-                            ],
-                            [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                             AC_MSG_RESULT([yes])],
-                            [AC_MSG_RESULT([no])])
-                    fi
-                    ;;
-                *-pc-os2_emx | *-pc-os2-emx )
-                    dnl GCC versions ported to OS/2 have similar problems with
-                    dnl static member of classes in combination with STL and
-                    dnl pragma interface/implementation
-                    if test "$wxUSE_STL" = "yes"; then
-                        AC_MSG_CHECKING([if this gcc version needs -DNO_GCC_PRAGMA])
-                        AC_TRY_COMPILE([],
-                            [#if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
-                             Not GCC 3.2 or greater
-                             #endif
-                            ],
-                            [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                             AC_MSG_RESULT([yes])],
-                            [AC_MSG_RESULT([no])])
-                    fi
-                    ;;
-            esac
-dnl  closing bracket of if GCC < 4.0
-        ] ) 
-    fi
+    CPPFLAGS="-DWX_PRECOMP $CPPFLAGS"
 fi
-CPPFLAGS="$PCH_FLAGS $GCC_PRAGMA_FLAGS $CPPFLAGS"
 
+dnl TOOLCHAIN_DEFS are used by wx-config but should be also used for wx build
+dnl itself
+CPPFLAGS="$CPPFLAGS $TOOLCHAIN_DEFS"
 
 dnl for convenience, sort the samples in alphabetical order
 dnl
@@ -7197,7 +7281,7 @@ dnl on platforms that do not have symlinks.
 dnl AC_CONFIG_LINKS([ include/wx-$WX_RELEASE$WX_FLAVOUR:include ])
 dnl AC_CONFIG_LINKS([ contrib/include ])
 
-
+if test "$wxWITH_SUBDIRS" != "no"; then
 dnl Configure samples, contrib etc. directories, but only if they are present:
 if test "$wxUSE_GUI" = "yes"; then
     SUBDIRS="samples demos utils contrib"
@@ -7254,7 +7338,7 @@ for subdir in `echo $SUBDIRS`; do
         done
     fi
 done
-
+fi dnl wxWITH_SUBDIRS
 
 AC_OUTPUT