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fix large files support for HP-UX v11: we need _LARGEFILE_SOURCE there; OTOH don't use _LARGE_FILES everywhere as it's only needed under AIX

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56747 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2008-11-12 15:31:44 +00:00
parent 9b3eb4aa61
commit e61c1fef6e
1 changed files with 51 additions and 38 deletions
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89
configure.in
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@ -1685,57 +1685,70 @@ fi
fi dnl wxUSE_VARARG_MACROS == yes
dnl check for large file support
LARGEFILE_CPPFLAGS=
AC_SYS_LARGEFILE
if test "$ac_cv_sys_file_offset_bits" = "64"; then
LARGEFILE_CPPFLAGS="-D_FILE_OFFSET_BITS=64"
elif test "$ac_cv_sys_large_files" = 1; then
LARGEFILE_CPPFLAGS="-D_LARGE_FILES"
fi
dnl we need to define _FILE_OFFSET_BITS or _LARGE_FILES on the compiler command
dnl line because otherwise the system headers risk being included before
dnl wx/defs.h which defines these constants leading to inconsistent
dnl sizeof(off_t) in different source files of the same program and linking
dnl problems
if test "x$wx_largefile" = "xyes"; then
if test "x$ac_cv_sys_file_offset_bits" = "x64"; then
WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES"
if test -n "$LARGEFILE_CPPFLAGS"; then
WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS $LARGEFILE_CPPFLAGS"
dnl We get "Large Files (ILP32) not supported in strict ANSI mode."
dnl #error from HP standard headers unless __STDC_EXT__ is defined.
dnl The compiler should define it automatically, but some old g++
dnl versions don't define it, so test and add it if necessary. AFAIK
dnl the problem only affects the C++ compiler so it is added to
dnl CXXFLAGS only.
if test "$USE_HPUX" = 1 -a "$GXX" = "yes"; then
AC_CACHE_CHECK(
[if -D__STDC_EXT__ is required],
wx_cv_STDC_EXT_required,
[
AC_LANG_PUSH(C++)
AC_TRY_COMPILE(
[],
[
#ifndef __STDC_EXT__
choke me
#endif
],
wx_cv_STDC_EXT_required=no,
wx_cv_STDC_EXT_required=yes
)
AC_LANG_POP()
]
)
if test "x$wx_cv_STDC_EXT_required" = "xyes"; then
WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -D__STDC_EXT__"
fi
dnl We get "Large Files (ILP32) not supported in strict ANSI mode."
dnl #error from HP standard headers unless __STDC_EXT__ is defined.
dnl The compiler should define it automatically, but some old g++
dnl versions don't define it, so test and add it if necessary. AFAIK
dnl the problem only affects the C++ compiler so it is added to
dnl CXXFLAGS only.
if test "$USE_HPUX" = 1 -a "$GXX" = "yes"; then
AC_CACHE_CHECK(
[if -D__STDC_EXT__ is required],
wx_cv_STDC_EXT_required,
[
AC_LANG_PUSH(C++)
AC_TRY_COMPILE(
[],
[
#ifndef __STDC_EXT__
choke me
#endif
],
wx_cv_STDC_EXT_required=no,
wx_cv_STDC_EXT_required=yes
)
AC_LANG_POP()
]
)
if test "x$wx_cv_STDC_EXT_required" = "xyes"; then
WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -D__STDC_EXT__"
fi
else
WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGE_FILES"
fi
dnl AC_FUNC_FSEEKO sets HAVE_FSEEKO and $ac_cv_sys_largefile_source
AC_FUNC_FSEEKO
if test "$ac_cv_sys_largefile_source" != no; then
WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGEFILE_SOURCE=$ac_cv_sys_largefile_source"
fi
fi
dnl AC_FUNC_FSEEKO sets HAVE_FSEEKO and $ac_cv_sys_largefile_source
dnl
dnl it may be affected by large file flags (this happens under HP-UX 11 for
dnl example) so set them before using it and also use C++ to ensure that we get
dnl errors, not warnings, about the missing functions
AC_LANG_PUSH(C++)
old_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LARGEFILE_CPPFLAGS"
AC_FUNC_FSEEKO
CPPFLAGS="$old_CPPFLAGS"
AC_LANG_POP()
if test "$ac_cv_sys_largefile_source" != no; then
WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGEFILE_SOURCE=$ac_cv_sys_largefile_source"
fi
dnl check for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling)
WX_C_BIGENDIAN