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| author | Ian Lance Taylor <iant@google.com> | 2008-02-06 20:32:10 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <iant@google.com> | 2008-02-06 20:32:10 +0000 |
| commit | 848a9929d12b55c177f97373e5c574aebea1859d (patch) | |
| tree | d508aaef33d770ddfe1b1acb4f8e90a638ee04d8 /gold/configure.ac | |
| parent | 5f7fd240bea3a0332fffe25bcddf311a6c44204d (diff) | |
| download | binutils-redhat-848a9929d12b55c177f97373e5c574aebea1859d.tar.gz | |
Support creating empty output when there are no input objects.
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index 62fdaab4de..c719e78534 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -86,11 +86,14 @@ fi # See which specific instantiations we need. targetobjs= all_targets= +default_machine= +default_size= +default_big_endian= +targ_32_little= +targ_32_big= +targ_64_little= +targ_64_big= for targ in $target $canon_targets; do - targ_32_little= - targ_32_big= - targ_64_little= - targ_64_big= if test "$targ" = "all"; then targ_32_little=yes targ_32_big=yes @@ -98,19 +101,38 @@ for targ in $target $canon_targets; do targ_64_big=yes all_targets=yes else - case "$targ" in - i?86-*) - targ_32_little=yes - targetobjs="$targetobjs i386.\$(OBJEXT)" - ;; - x86_64-*) - targ_64_little=yes - targetobjs="$targetobjs x86_64.\$(OBJEXT)" - ;; - *) + . ${srcdir}/configure.tgt + + if test "$targ_obj" = "UNKNOWN"; then AC_MSG_ERROR("unsupported target $targ") - ;; - esac + else + targetobjs="$targetobjs ${targ_obj}.\$(OBJEXT)" + if test "$targ_size" = "32"; then + if test "$targ_big_endian" = "false"; then + targ_32_little=yes + elif test "$targ_big_endian" = "true"; then + targ_32_big=yes + else + AC_MSG_ERROR("bad configure.tgt endian $targ_big_endian") + fi + elif test "$targ_size" = "64"; then + if test "$targ_big_endian" = "false"; then + targ_64_little=yes + elif test "$targ_big_endian" = "true"; then + targ_64_big=yes + else + AC_MSG_ERROR("bad configure.tgt endian $targ_big_endian") + fi + else + AC_MSG_ERROR("bad configure.tgt size $targ_size") + fi + + if test "$target" = "$targ"; then + default_machine=$targ_machine + default_size=$targ_size + default_big_endian=$targ_big_endian + fi + fi fi done @@ -138,6 +160,13 @@ else fi AC_SUBST(TARGETOBJS) +AC_DEFINE_UNQUOTED(GOLD_DEFAULT_MACHINE, $default_machine, + [Default machine code]) +AC_DEFINE_UNQUOTED(GOLD_DEFAULT_SIZE, $default_size, + [Default size (32 or 64)]) +AC_DEFINE_UNQUOTED(GOLD_DEFAULT_BIG_ENDIAN, $default_big_endian, + [Default big endian (true or false)]) + AC_PROG_CC AC_PROG_CXX AC_PROG_YACC |