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| author | Mattia Rizzolo <mattia@mapreri.org> | 2014-10-03 14:05:03 +0000 |
|---|---|---|
| committer | Mattia Rizzolo <mattia@mapreri.org> | 2014-10-03 14:05:03 +0000 |
| commit | 817e6294b42b3e4435f1b99728afc1dca84a6445 (patch) | |
| tree | 75bc563b5fe4149fe7e5cbf7a5c2cbcee5ea0fb3 /m4/msnative-struct.m4 | |
| parent | e7e90b72fd3161c5d55fed49e100781dfa3e9408 (diff) | |
Imported Upstream version 0.97upstream/0.97
Diffstat (limited to 'm4/msnative-struct.m4')
| -rw-r--r-- | m4/msnative-struct.m4 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/m4/msnative-struct.m4 b/m4/msnative-struct.m4 new file mode 100644 index 0000000..84d773e --- /dev/null +++ b/m4/msnative-struct.m4 @@ -0,0 +1,48 @@ +############################################################# +# when compiling on Win32 we have to add the option +# -fnative-struct for gcc2 or +# --mms-bitfields for gcc3 +# parts from glib configure.in + +dnl AC_GCC_MSNATIVE_STRUCT +dnl test if gcc supports option for MSnative struct +dnl +AC_DEFUN(AC_GCC_MSNATIVE_STRUCT, +[dnl +dnl Add ms native struct gcc option to CFLAGS if available +dnl +dnl if test x"$glib_native_win32" = xyes; then + AC_CHECK_HEADERS(windows.h, + [ + if test x"$GCC" = xyes; then + msnative_struct='' + AC_MSG_CHECKING([how to get MSVC-compatible struct packing]) + if test -z "$ac_cv_prog_CC"; then + our_gcc="$CC" + else + our_gcc="$ac_cv_prog_CC" + fi + case `$our_gcc --version | sed -e 's,\..*,.,' -e q` in + 2.) + if $our_gcc -v --help 2>/dev/null | grep fnative-struct >/dev/null; then + msnative_struct='-fnative-struct' + fi + ;; + *) + if $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then + msnative_struct='-mms-bitfields' + fi + ;; + esac + if test x"$msnative_struct" = x ; then + AC_MSG_RESULT([no way]) + AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code]) + else + CFLAGS="$CFLAGS $msnative_struct" + AC_MSG_RESULT([${msnative_struct}]) + fi + fi +dnl fi + ]) +]) + |