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Check to see if -ext o option is required to get compiler to write

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foo.o instead of foo.c.o or foo.cc.o.  (MetroWerks)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32168 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Elliott 2005-02-19 07:14:14 +00:00
parent 4d7ec9f1e7
commit 480ccd2194
4 changed files with 354 additions and 0 deletions
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40
aclocal.m4 vendored
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@ -21,6 +21,46 @@ dnl
dnl Version: $Id$
dnl ---------------------------------------------------------------------------
dnl ===========================================================================
dnl macros to detect specialty compiler options
dnl ===========================================================================
dnl Figure out if we need to pass -ext o to compiler (MetroWerks)
AC_DEFUN([AC_WX_METROWERKS_EXTO],
[AC_CACHE_CHECK([if the _AC_LANG compiler requires -ext o], wx_cv_[]_AC_LANG_ABBREV[]_exto,
dnl First create an empty conf test
[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
dnl Now remove .o and .c.o or .cc.o
rm -f conftest.$ac_objext conftest.$ac_ext.o
dnl Now compile the test
AS_IF([AC_TRY_EVAL(ac_compile)],
dnl If the test succeeded look for conftest.c.o or conftest.cc.o
[for ac_file in `(ls conftest.* 2>/dev/null)`; do
case $ac_file in
conftest.$ac_ext.o)
wx_cv_[]_AC_LANG_ABBREV[]_exto="-ext o"
;;
*)
;;
esac
done],
[AC_MSG_FAILURE([cannot figure out if compiler needs -ext o: cannot compile])
]) dnl AS_IF
rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
]) dnl AC_CACHE_CHECK
if test "x$wx_cv_[]_AC_LANG_ABBREV[]_exto" '!=' "x"; then
if test "[]_AC_LANG_ABBREV[]" = "c"; then
CFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CFLAGS"
fi
if test "[]_AC_LANG_ABBREV[]" = "cxx"; then
CXXFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CXXFLAGS"
fi
fi
]) dnl AC_DEFUN
dnl ===========================================================================
dnl macros to find the a file in the list of include/lib paths
dnl ===========================================================================