Recent versions of the Solaris/x86 assembler are gaining support for cfi
directives. gcc/configure failed to detect this since it used a
gas-only option for 64-bit code generation. This patch fixes it.
Tested on a wide range of assembler/linker configurations on
i386-pc-solaris2.1[01], installed on mainline.
Rainer
2014-03-27 Rainer Orth <[email protected]>
* configure.ac (gcc_cv_as_cfi_directive): Support Solaris/x86
assembler 64-bit option.
* configure: Regenerate.
# HG changeset patch
# Parent 5006bbed82c4b0ec2df907a42697ebd4d1e8b40a
Fix gcc_cv_as_cfi_directive test for Solaris as
diff --git a/gcc/configure.ac b/gcc/configure.ac
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2570,9 +2570,14 @@ gcc_GAS_CHECK_FEATURE([cfi directives],
else
case "$target" in
i?86-*-solaris2.1[[0-9]]* | x86_64-*-solaris2.1[[0-9]]*)
- # On Solaris/x86, make sure that GCC and gas agree on using
+ # On Solaris/x86, make sure that GCC and assembler agree on using
# read-only .eh_frame sections for 64-bit.
- if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \
+ if test x$gas = xyes; then
+ as_ix86_64_opt="--64"
+ else
+ as_ix86_64_opt="-xarch=amd64"
+ fi
+ if $gcc_cv_as $as_ix86_64_opt -o conftest.o conftest.s > /dev/null 2>&1 && \
$gcc_cv_objdump -h conftest.o 2>/dev/null | \
sed -e /.eh_frame/!d -e N | \
grep READONLY > /dev/null; then
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
