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* ltconfig.in (compiler_o_lo): check whether we can write directly

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to a .lo
	* ltmain.in (compiler_o_lo): if not, write to .o and rename it
This commit is contained in:
Alexandre Oliva 1998-11-04 07:10:43 +00:00 committed by Alexandre Oliva
parent d96dbaa246
commit 1168e3b550
3 changed files with 51 additions and 7 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
1998-11-04 Alexandre Oliva <oliva@dcc.unicamp.br>
* ltconfig.in (compiler_o_lo): check whether we can write directly
to a .lo
* ltmain.in (compiler_o_lo): if not, write to .o and rename it
1998-11-04 Ian Lance Taylor <ian@cygnus.com>
* ltconfig.in: For sunos4 using GNU ld, set hardcode_minus_L to

45
ltconfig.in
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@ -616,13 +616,13 @@ else
fi
# Check to see if options -o and -c are simultaneously supported by compiler
echo $ac_n "checking if $compiler supports -c and -o options... $ac_c" 1>&6
echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
$rm conftest*
echo "int some_variable = 0;" > conftest.c
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -c -o conftest.o"
echo "$progname:@LINENO@: checking if $compiler supports -c and -o options" >&5
if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
CFLAGS="$CFLAGS -c -o conftest2.o"
echo "$progname:@LINENO@: checking if $compiler supports -c -o file.o" >&5
if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest2.o; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -642,6 +642,37 @@ fi
CFLAGS="$save_CFLAGS"
$rm conftest*
if test x"$compiler_c_o" = x"yes"; then
# Check to see if we can write to a .lo
echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
$rm conftest*
echo "int some_variable = 0;" > conftest.c
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -c -o conftest.lo"
echo "$progname:@LINENO@: checking if $compiler supports -c -o file.lo" >&5
if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
if test -s conftest.err; then
echo "$ac_t"no 1>&6
compiler_o_lo=no
else
echo "$ac_t"yes 1>&6
compiler_o_lo=yes
fi
else
# Append any errors to the config.log.
cat conftest.err 1>&5
compiler_o_lo=no
echo "$ac_t"no 1>&6
fi
CFLAGS="$save_CFLAGS"
$rm conftest*
else
compiler_o_lo=no
fi
# Check to see if we can do hard links to lock some files if needed
hard_links="nottested"
if test "$compiler_c_o" = no && test "$need_locks" != no; then
@ -1405,7 +1436,8 @@ case "$ltmain" in
old_postuninstall_cmds archive_cmds postinstall_cmds postuninstall_cmds \
allow_undefined_flag no_undefined_flag \
finish_cmds finish_eval global_symbol_pipe \
hardcode_libdir_flag_spec hardcode_libdir_separator compiler_c_o need_locks; do
hardcode_libdir_flag_spec hardcode_libdir_separator \
compiler_c_o compiler_o_lo need_locks; do
case "$var" in
reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
@ -1543,6 +1575,9 @@ pic_flag=$pic_flag
# Does compiler simultaneously support -c and -o options
compiler_c_o=$compiler_c_o
# Can we write directly to a .lo ?
compiler_o_lo=$compiler_o_lo
# Must we lock files when doing compilation ?
need_locks=$need_locks

7
ltmain.in
View File

@ -415,9 +415,12 @@ compiler."
# All platforms use -DPIC, to notify preprocessed assembler code.
command="$base_compile$pic_flag -DPIC $srcfile"
if test "$compiler_c_o" = yes; then
if test "$compiler_o_lo" = yes; then
command="$command -o $libobj"
output_obj="$libobj"
elif test "$compiler_c_o" = yes; then
command="$command -o $obj"
output_obj="$obj"
fi
$show "$command"
@ -448,7 +451,7 @@ compiler."
fi
# Just move the object if needed, then go on to compile the next one
if test "$compiler_c_o" = no && test x"$output_obj" != x"$libobj"; then
if test "$compiler_o_lo" = no && test x"$output_obj" != x"$libobj"; then
$show "$mv $output_obj $libobj"
if $run $mv $output_obj $libobj; then :
else