diff options
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 6fd438e..876b1de 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -639,6 +639,38 @@ AC_ARG_ENABLE(__cxa_atexit, [ --enable-__cxa_atexit enable __cxa_atexit for C++], [], []) +# Enable C extension for decimal float if target supports it. +AC_ARG_ENABLE(decimal-float, +[ --enable-decimal-float enable decimal float extension to C], +[ + if test x$enablevar = xyes ; then + case $target in + powerpc*-*-linux* | i?86*-*-linux*) + ;; + *) + AC_MSG_WARN(decimal float is not supported for this target, ignored) + enable_decimal_float=no + ;; + esac + fi +], +[ + case $target in + powerpc*-*-linux*) + enable_decimal_float=yes + ;; + *) + enable_decimal_float=no + ;; + esac +]) + +AC_SUBST(enable_decimal_float) + +dfp=`if test $enable_decimal_float = yes; then echo 1; else echo 0; fi` +AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp, +[Define to 1 to enable decimal float extension to C.]) + # Enable threads # Pass with no value to take the default # Pass with a value to specify a thread package |