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| author | Richard Henderson <rth@redhat.com> | 2001-03-16 11:31:19 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-03-16 11:31:19 -0800 |
| commit | 981975b62d8e098e571a91c30b938b4bcc7a3fa7 (patch) | |
| tree | 7db1544714b472b5f49960ccbe71531952d9a218 /gcc/configure | |
| parent | 69e230371807f22b3dc52ee64e87314fb61c750c (diff) | |
| download | gcc-981975b62d8e098e571a91c30b938b4bcc7a3fa7.zip gcc-981975b62d8e098e571a91c30b938b4bcc7a3fa7.tar.gz gcc-981975b62d8e098e571a91c30b938b4bcc7a3fa7.tar.bz2 | |
dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
* dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
(LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
(size_of_line_prolog): Remove.
(output_line_info): Compute prologue size via label difference.
(lookup_filename): Return "unspecified" for <internal> and <built-in>.
* configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
assembler error when redefining file numbers.
* config.in, configure: Rebuild.
From-SVN: r40559
Diffstat (limited to 'gcc/configure')
| -rwxr-xr-x | gcc/configure | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/gcc/configure b/gcc/configure index a6c4fbd..9af92cb 100755 --- a/gcc/configure +++ b/gcc/configure @@ -2098,7 +2098,7 @@ EOF fi # Find some useful tools -for ac_prog in mawk gawk nawk awk +for ac_prog in gawk mawk nawk awk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 @@ -6688,9 +6688,21 @@ elif test x$gcc_cv_as != x -a x"$insn" != x ; then echo ' .file 0 "conftest.s"' > conftest.s echo ' .loc 0 3 0' >> conftest.s echo " $insn" >> conftest.s + # ??? This fails with non-gnu grep. if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ && grep debug_line conftest.o > /dev/null 2>&1 ; then - gcc_cv_as_dwarf2_debug_line="yes" + # The .debug_line file table must be in the exact order that + # we specified the files, since these indicies are also used + # by DW_AT_decl_file. Approximate this test by testing if + # the assembler bitches if the same index is assigned twice. + echo ' .file 1 "foo.s"' > conftest.s + echo ' .file 1 "bar.s"' >> conftest.s + if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 + then + gcc_cv_as_dwarf2_debug_line="no" + else + gcc_cv_as_dwarf2_debug_line="yes" + fi fi rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 fi @@ -6837,7 +6849,7 @@ EOF echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6 -echo "configure:6841: checking whether to enable maintainer-specific portions of Makefiles" >&5 +echo "configure:6853: checking whether to enable maintainer-specific portions of Makefiles" >&5 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. if test "${enable_maintainer_mode+set}" = set; then enableval="$enable_maintainer_mode" |