X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/411484436df97ff84fe708d634a88c0840240ac0..ff55f8377ba8965bee36d1221501a3868da952e9:/configure.in

diff --git a/configure.in b/configure.in
index fc1357f7ac..ed22d24091 100644
--- a/configure.in
+++ b/configure.in
@@ -1786,7 +1786,11 @@ 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="+W 2340 $CXXFLAGS"
+    dnl 4232: "conversion from 'Foo *' to a more strictly aligned type 'Bar *'
+    dnl       may cause misaligned access": this might indicate a real problem
+    dnl       but any use of GTK+ cast macros results in it so it's unusable
+    dnl       for wxGTK code
+    CXXFLAGS="+W 2340,4232 $CXXFLAGS"
 fi
 
 dnl DEC/Compaq/HP cxx warnings
@@ -4996,18 +5000,40 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
       fi
 
       dnl test for compiler thread-specific variables support
-      AC_CACHE_CHECK([for __thread keyword],
-                     wx_cv_cc___thread,
-      [
-          AC_TRY_COMPILE([#include <pthread.h>],
-              [
-                  static __thread int n = 0;
-                  static __thread int *p = 0;
-              ],
-              wx_cv_cc___thread=yes,
-              wx_cv_cc___thread=no
-          )
-      ])
+      AX_GXX_VERSION
+      if test -n "$ax_cv_gxx_version"; then
+          dnl g++ supports __thread since at least version 3.3 but its support
+          dnl seems to be broken until 4.1, see
+          dnl   http://thread.gmane.org/gmane.comp.lib.wxwidgets.devel/108388
+          AC_MSG_CHECKING([for __thread support in g++])
+          case "$ax_cv_gxx_version" in
+            1.* | 2.* )
+                AC_MSG_RESULT([doesn't exist])
+                wx_cv_cc___thread=no
+                ;;
+            3.*)
+                AC_MSG_RESULT([broken])
+                wx_cv_cc___thread=no
+                ;;
+            *)
+                AC_MSG_RESULT([works])
+                wx_cv_cc___thread=yes
+                ;;
+          esac
+      else
+          AC_CACHE_CHECK([for __thread keyword],
+                         wx_cv_cc___thread,
+          [
+              AC_TRY_COMPILE([#include <pthread.h>],
+                  [
+                      static __thread int n = 0;
+                      static __thread int *p = 0;
+                  ],
+                  wx_cv_cc___thread=yes,
+                  wx_cv_cc___thread=no
+              )
+          ])
+      fi
 
       if test "$wx_cv_cc___thread" = "yes"; then
         AC_DEFINE(HAVE___THREAD_KEYWORD)
@@ -7405,14 +7431,14 @@ dnl check for icc before gcc as icc is also recognized as gcc
 if test "x$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"
+    dnl     #810: conversion from "x" to "y" may lose significant bits
+    dnl     #869: parameter "foo" was never referenced
+    dnl     #1572: floating-point equality and inequality comparisons
+    dnl            are unreliable
+    dnl     #1684: conversion from pointer to same-sized integral type
+    dnl     #2259: non-pointer conversion from "x" to "y" may lose significant
+    dnl            bits
+    CWARNINGS="-Wall -wd810,869,981,1418,1572,1684,2259"
 elif test "$GCC" = yes ; then
     CWARNINGS="-Wall -Wundef"
 fi
@@ -7424,15 +7450,16 @@ if test "x$INTELCXX" = "xyes" ; then
     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"
+    dnl     #279: controlling expression is constant
+    dnl     #383: value copied to temporary, reference to temporary used
+    dnl     #444: destructor for base class "xxx" is not virtual
+    dnl     #981: operands are evaluated in unspecified order
+    dnl     #1418: external definition with no prior declaration
+    dnl     #1419: external declaration in primary source file
+    dnl     #1881: argument must be a constant null pointer value
+    dnl
+    dnl (for others see CWARNINGS above)
+    CXXWARNINGS="-Wall -wd279,383,444,810,869,981,1418,1419,1881,2259"
 elif test "$GXX" = yes ; then
     CXXWARNINGS="-Wall -Wundef -Wunused-parameter -Wno-ctor-dtor-privacy"
     AX_CXXFLAGS_GCC_OPTION(-Woverloaded-virtual, CXXWARNINGS)
@@ -7601,13 +7628,13 @@ AC_SUBST(DEBUG_INFO)
 AC_SUBST(DEBUG_FLAG)
 TOOLKIT_LOWERCASE=xxx
 if test "$TOOLKIT" = "MAC"; then
-    TOOLKIT_LOWERCASE=osx
+    TOOLKIT_LOWERCASE=osx_carbon
 fi
 if test "$TOOLKIT" = "OSX_CARBON"; then
-    TOOLKIT_LOWERCASE=osx
+    TOOLKIT_LOWERCASE=osx_carbon
 fi
 if test "$TOOLKIT" = "OSX_COCOA"; then
-    TOOLKIT_LOWERCASE=osx
+    TOOLKIT_LOWERCASE=osx_cocoa
 fi
 if test "$TOOLKIT_LOWERCASE" = "xxx"; then
     TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[[A-Z]]' '[[a-z]]'`