From cb2316268656eca4e86e713c15b82f23e9c79623 Mon Sep 17 00:00:00 2001 From: Andreas Krebbel Date: Fri, 3 Sep 2010 13:30:58 +0000 Subject: libdecnumber/ 2010-09-03 Andreas Krebbel * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro. * Makefile.in: Add aclocal.m4 dependency to dfp.m4. * configure: Regenerate. * aclocal.m4: Regenerate. config/ 2010-09-03 Andreas Krebbel * dfp.m4: New file. --- config/ChangeLog | 4 ++++ config/dfp.m4 | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) create mode 100644 config/dfp.m4 (limited to 'config') diff --git a/config/ChangeLog b/config/ChangeLog index 22a36414f..af0695503 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,7 @@ +2010-09-03 Andreas Krebbel + + * dfp.m4: New file. + 2010-08-21 Ralf Wildenhues PR target/45084 diff --git a/config/dfp.m4 b/config/dfp.m4 new file mode 100644 index 000000000..4cace763f --- /dev/null +++ b/config/dfp.m4 @@ -0,0 +1,53 @@ +dnl @synopsis GCC_AC_ENABLE_DECIMAL_FLOAT([target triplet]) +dnl +dnl Enable C extension for decimal float if target supports it. +dnl +dnl @author Andreas Krebbel + +AC_DEFUN([GCC_AC_ENABLE_DECIMAL_FLOAT], +[ +AC_ARG_ENABLE(decimal-float, +[ --enable-decimal-float={no,yes,bid,dpd} + enable decimal float extension to C. Selecting 'bid' + or 'dpd' choses which decimal floating point format + to use], +[ + case $enable_decimal_float in + yes | no | bid | dpd) ;; + *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float. +Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;; + esac +], +[ + case $1 in + powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux*) + enable_decimal_float=yes + ;; + *) + AC_MSG_WARN(decimal float is not supported for this target, ignored) + enable_decimal_float=no + ;; + esac +]) + +# x86's use BID format instead of DPD +case x$enable_decimal_float in + xyes) + case $1 in + i?86*-*-* | x86_64*-*-*) + enable_decimal_float=bid + ;; + *) + enable_decimal_float=dpd + ;; + esac + ;; + xno) + # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper + # dependency on libdecnumber. + enable_decimal_float=dpd + ;; +esac +AC_SUBST(enable_decimal_float) + +]) \ No newline at end of file -- cgit v1.2.3