| Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/inline.m4
|
| ===================================================================
|
| --- bison/src/bison/2.4.1/bison-2.4.1-src/m4/inline.m4 (revision 0)
|
| +++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/inline.m4 (revision 0)
|
| @@ -0,0 +1,40 @@
|
| +# inline.m4 serial 3
|
| +dnl Copyright (C) 2006 Free Software Foundation, Inc.
|
| +dnl This file is free software; the Free Software Foundation
|
| +dnl gives unlimited permission to copy and/or distribute it,
|
| +dnl with or without modifications, as long as this notice is preserved.
|
| +
|
| +dnl Test for the 'inline' keyword or equivalent.
|
| +dnl Define 'inline' to a supported equivalent, or to nothing if not supported,
|
| +dnl like AC_C_INLINE does. Also, define HAVE_INLINE if 'inline' or an
|
| +dnl equivalent is effectively supported, i.e. if the compiler is likely to
|
| +dnl drop unused 'static inline' functions.
|
| +AC_DEFUN([gl_INLINE],
|
| +[
|
| + AC_REQUIRE([AC_C_INLINE])
|
| + AC_CACHE_CHECK([whether the compiler generally respects inline],
|
| + [gl_cv_c_inline_effective],
|
| + [if test $ac_cv_c_inline = no; then
|
| + gl_cv_c_inline_effective=no
|
| + else
|
| + dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is
|
| + dnl specified.
|
| + dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result
|
| + dnl depends on optimization flags, which can be in CFLAGS.
|
| + dnl (AC_EGREP_CPP looks only at the CPPFLAGS.)
|
| + AC_COMPILE_IFELSE(
|
| + [AC_LANG_PROGRAM([[]],
|
| + [[#ifdef __NO_INLINE__
|
| + #error "inline is not effective"
|
| + #endif]])],
|
| + [gl_cv_c_inline_effective=yes],
|
| + [gl_cv_c_inline_effective=no])
|
| + fi
|
| + ])
|
| + if test $gl_cv_c_inline_effective = yes; then
|
| + AC_DEFINE([HAVE_INLINE], 1,
|
| + [Define to 1 if the compiler supports one of the keywords
|
| + 'inline', '__inline__', '__inline' and effectively inlines
|
| + functions marked as such.])
|
| + fi
|
| +])
|
|
|