From: Robert Roebling <robert@roebling.de>
Date: Wed, 29 Jun 2005 19:02:19 +0000 (+0000)
Subject:   define NO_GCC_PRAGMA if
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/87ae5038ef4b1a731e1d09943ff0584a0af195e9

  define NO_GCC_PRAGMA if
    - PCH
    - GCC >= 4.0
    - certain cases like Apple GCC, Mingw32 with certain other option


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34775 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/configure b/configure
index 722afc8a30..577030143d 100755
--- a/configure
+++ b/configure
@@ -44238,12 +44238,12 @@ PCH_FLAGS=""
 
 if test $GCC_PCH = 1 ; then
     PCH_FLAGS="-DWX_PRECOMP"
-fi
-
-if test "$GCC" = yes; then
-    echo "$as_me:$LINENO: checking if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA" >&5
+    GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
+else
+        if test "$GCC" = yes; then
+        echo "$as_me:$LINENO: checking if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA" >&5
 echo $ECHO_N "checking if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA... $ECHO_C" >&6
-    cat >conftest.$ac_ext <<_ACEOF
+        cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -44254,8 +44254,8 @@ int
 main ()
 {
 #if (__GNUC__ < 4)
-         #error "Not GCC 4.0 or greater"
-         #endif
+             #error "Not GCC 4.0 or greater"
+             #endif
 
   ;
   return 0;
@@ -44284,7 +44284,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-         echo "$as_me:$LINENO: result: yes" >&5
+             echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
@@ -44292,20 +44292,17 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-    case "${host}" in
-        powerpc-*-darwin* )
-                                    GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-            ;;
-        *-*-mingw32* )
-                                                                                    if test "$wxUSE_STL" = "yes" -o \
+            case "${host}" in
+                powerpc-*-darwin* )
+                                                            GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
+                ;;
+                *-*-mingw32* )
+                                                                                                                                            if test "$wxUSE_STL" = "yes" -o \
                     "$wxUSE_NO_EXCEPTIONS" != "yes" -o \
                     "$wxUSE_NO_RTTI" != "yes"; then
-               echo "$as_me:$LINENO: checking if this MinGW version needs -DNO_GCC_PRAGMA" >&5
+                        echo "$as_me:$LINENO: checking if this MinGW version needs -DNO_GCC_PRAGMA" >&5
 echo $ECHO_N "checking if this MinGW version needs -DNO_GCC_PRAGMA... $ECHO_C" >&6
-               cat >conftest.$ac_ext <<_ACEOF
+                        cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -44316,8 +44313,8 @@ int
 main ()
 {
 #if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
-                               #error "Not GCC 3.2 or greater"
-                               #endif
+                             #error "Not GCC 3.2 or greater"
+                             #endif
 
   ;
   return 0;
@@ -44346,7 +44343,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                               echo "$as_me:$LINENO: result: yes" >&5
+                             echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
@@ -44356,13 +44353,13 @@ echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-            fi
-            ;;
-        *-pc-os2_emx | *-pc-os2-emx )
-                                                if test "$wxUSE_STL" = "yes"; then
-               echo "$as_me:$LINENO: checking if this gcc version needs -DNO_GCC_PRAGMA" >&5
+                    fi
+                    ;;
+                *-pc-os2_emx | *-pc-os2-emx )
+                                                                                if test "$wxUSE_STL" = "yes"; then
+                        echo "$as_me:$LINENO: checking if this gcc version needs -DNO_GCC_PRAGMA" >&5
 echo $ECHO_N "checking if this gcc version needs -DNO_GCC_PRAGMA... $ECHO_C" >&6
-               cat >conftest.$ac_ext <<_ACEOF
+                        cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -44373,8 +44370,8 @@ int
 main ()
 {
 #if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
-                               #error "Not GCC 3.2 or greater"
-                               #endif
+                             #error "Not GCC 3.2 or greater"
+                             #endif
 
   ;
   return 0;
@@ -44403,7 +44400,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                               echo "$as_me:$LINENO: result: yes" >&5
+                             echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
@@ -44413,9 +44410,13 @@ echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-            fi
-            ;;
-    esac
+                    fi
+                    ;;
+            esac
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+    fi
 fi
 CPPFLAGS="$PCH_FLAGS $GCC_PRAGMA_FLAGS $CPPFLAGS"
 
diff --git a/configure.in b/configure.in
index 636e84e5ce..670d40af8a 100644
--- a/configure.in
+++ b/configure.in
@@ -6698,67 +6698,69 @@ 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:
+dnl Find out if we have to define WX_PRECOMP (and thus NO_GCC_PRAGMA)
 if test $GCC_PCH = 1 ; then
     PCH_FLAGS="-DWX_PRECOMP"
-fi
-
-dnl Find out if we have to define NO_GCC_PRAGMA
-if test "$GCC" = yes; then
-    AC_MSG_CHECKING([if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA])
-    AC_TRY_COMPILE([],
-        [#if (__GNUC__ < 4)
-         #error "Not GCC 4.0 or greater"
-         #endif
-        ],
-        [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-         AC_MSG_RESULT([yes])],
-        [AC_MSG_RESULT([no])])
+    GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
 else
-    case "${host}" in
-        powerpc-*-darwin* )
-            dnl Some Apple's GCC version are broken and can't handle the
-            dnl pragmas:
-            GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-            ;;
-        *-*-mingw32* )
-            dnl MinGW GCC versions > 3.2 have problems with
-            dnl static member of classes derived from templates
-            dnl in combination with #pragma interface/implementation
-            dnl (the test case uses 4 files)
-            dnl ... and with exceptions handling (undefined symbols needed
-            dnl to correctly calls dtors when unwinding) as well
-            if test "$wxUSE_STL" = "yes" -o \
+    dnl Find out if we have to define NO_GCC_PRAGMA
+    if test "$GCC" = yes; then
+        AC_MSG_CHECKING([if this GCC version is >= 4.0 and needs -DNO_GCC_PRAGMA])
+        AC_TRY_COMPILE([],
+            [#if (__GNUC__ < 4)
+             #error "Not GCC 4.0 or greater"
+             #endif
+            ],
+            [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
+             AC_MSG_RESULT([yes])],
+            [AC_MSG_RESULT([no])
+            case "${host}" in
+                powerpc-*-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 \
                     "$wxUSE_NO_RTTI" != "yes"; then
-               AC_MSG_CHECKING([if this MinGW version needs -DNO_GCC_PRAGMA])
-               AC_TRY_COMPILE([],
-                              [#if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
-                               #error "Not GCC 3.2 or greater"
-                               #endif
-                               ],
-                              [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                               AC_MSG_RESULT([yes])],
-                              [AC_MSG_RESULT([no])])
-            fi
-            ;;
-        *-pc-os2_emx | *-pc-os2-emx )
-            dnl GCC versions ported to OS/2 have similar problems with
-            dnl static member of classes in combination with STL and
-            dnl pragma interface/implementation
-            if test "$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))
-                               #error "Not GCC 3.2 or greater"
-                               #endif
-                               ],
-                              [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
-                               AC_MSG_RESULT([yes])],
-                              [AC_MSG_RESULT([no])])
-            fi
-            ;;
-    esac
+                        AC_MSG_CHECKING([if this MinGW version needs -DNO_GCC_PRAGMA])
+                        AC_TRY_COMPILE([],
+                            [#if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
+                             #error "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 "$wxUSE_STL" = "yes"; then
+                        AC_MSG_CHECKING([if this gcc version needs -DNO_GCC_PRAGMA])
+                        AC_TRY_COMPILE([],
+                            [#if !(__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
+                             #error "Not GCC 3.2 or greater"
+                             #endif
+                            ],
+                            [GCC_PRAGMA_FLAGS="-DNO_GCC_PRAGMA"
+                             AC_MSG_RESULT([yes])],
+                            [AC_MSG_RESULT([no])])
+                    fi
+                    ;;
+            esac
+dnl  closing bracket of if GCC < 4.0
+        ] ) 
+    fi
 fi
 CPPFLAGS="$PCH_FLAGS $GCC_PRAGMA_FLAGS $CPPFLAGS"