gcc/libjava/classpath/m4/acattribute.m4
Mark Wielaard 8f523f3a10 Imported GNU Classpath 0.19 + gcj-import-20051115.
* sources.am: Regenerated.
       * Makefile.in: Likewise.
       * scripts/makemake.tcl: Use glob -nocomplain.

From-SVN: r107049
2005-11-15 23:20:01 +00:00

26 lines
585 B
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dnl modified AC_C_INLINE from autoconf/c.m4
AN_IDENTIFIER([attribute], [AC_C_ATTRIBUTE])
AC_DEFUN([AC_C_ATTRIBUTE],
[AC_CACHE_CHECK([for __attribute__], ac_cv_c_attribute,
[
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[void foo(void) __attribute__ ((__noreturn__));]
)],
[ac_cv_c_attribute=yes],
[ac_cv_c_attribute=no]
)
])
AH_VERBATIM([attribute],
[/* Define to `__attribute__' to nothing if it's not supported. */
#undef __attribute__])
case $ac_cv_c_attribute in
yes) ;;
no)
cat >>confdefs.h <<_ACEOF
#define __attribute__(x) /* nothing */
_ACEOF
;;
esac
])# AC_C_ATTRIBUTE