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| author | Ben Elliston <bje@gcc.gnu.org> | 2005-12-21 11:43:21 +1100 |
|---|---|---|
| committer | Ben Elliston <bje@gcc.gnu.org> | 2005-12-21 11:43:21 +1100 |
| commit | 486aa8045ca57e1b66a8435d96d55c78c7e35c90 (patch) | |
| tree | 3b2a27c987431a6e8487205fbf8b950929bf9b32 /gcc/configure.ac | |
| parent | f8d64c79c207e23e602e2077adaf50db18e46b38 (diff) | |
| download | gcc-486aa8045ca57e1b66a8435d96d55c78c7e35c90.zip gcc-486aa8045ca57e1b66a8435d96d55c78c7e35c90.tar.gz gcc-486aa8045ca57e1b66a8435d96d55c78c7e35c90.tar.bz2 | |
configure.ac: Enable C extension for decimal float if invoked with --enable-decimal-float.
* configure.ac: Enable C extension for decimal float if invoked
with --enable-decimal-float.
* doc/install.texi (Configuration): Document it.
* configure, config.in: Regenerate.
From-SVN: r108887
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 |