- 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