Re: [PATCH] Make .eh_frame and .gcc_except_table read-only if possible (take 3)

[Jakub Jelinek <jakub at redhat dot com>]

On Wed, Dec 11, 2002 at 04:24:40PM -0500, David Edelsohn wrote:
> >>>>> Jakub Jelinek writes:
> 
> Jakub> Is there any other obj format which wants to move to read-only .eh_frame section?
> Jakub> If not, the test will on non-ELF just result in HAVE_LD_RO_RW_SECTION_MIXING
> Jakub> not being defined and thus keeping status quo.
> 
> 	The test creates assembler syntax errors which are not intercepted
> by configure.  I guess it ends up with the same result as before, but it's
> unfortunate that syntax errors are splashed across the screen instead of
> just the "unknown" result.

Is the following enough?

2002-12-11  Jakub Jelinek  <jakub@redhat.com>

	* configure.in (HAVE_LD_RO_RW_SECTION_MIXING): Redirect output to
	/dev/null.
	* configure: Rebuilt.

--- gcc/configure.in.jj	2002-12-04 18:12:01.000000000 +0100
+++ gcc/configure.in	2002-12-12 00:14:28.000000000 +0100
@@ -2221,11 +2221,11 @@ elif test x$gcc_cv_as != x -a x$gcc_cv_l
   echo '.byte 1' >> conftest2.s
   echo '.section "myfoosect", "a"' > conftest3.s
   echo '.byte 0' >> conftest3.s
-  if $gcc_cv_as -o conftest1.o conftest1.s \
-     && $gcc_cv_as -o conftest2.o conftest2.s \
-     && $gcc_cv_as -o conftest3.o conftest3.s \
+  if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
+     && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
+     && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
      && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
-	conftest2.o conftest3.o; then
+	conftest2.o conftest3.o > /dev/null 2>&1; then
     gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
 			 | grep -A1 myfoosect`
     if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then

	Jakub