if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

set testfile langs
set binfile ${objdir}/${subdir}/${testfile}
if  { [compile "${srcdir}/${subdir}/langs0.c -g -c -o ${binfile}0.o "] != "" } {
    perror "Couldn't compile langs0.c to object"
    return -1
}
if  { [compile "${srcdir}/${subdir}/langs1.c -g -c -o ${binfile}1.o "] != "" } {
    perror "Couldn't compile langs1.c to object"
    return -1
}
if  { [compile "${srcdir}/${subdir}/langs2.c -g -c -o ${binfile}2.o "] != "" } {
    perror "Couldn't compile langs2.c to object"
    return -1
}
if  { [compile "${binfile}0.o ${binfile}1.o ${binfile}2.o  -o ${binfile}"] != "" } {
    perror "Couldn't link langs."
    return -1
}

execute_anywhere "rm -f ${binfile}.ci"
if  { [compile "-E ${srcdir}/${subdir}/compiler.c > ${binfile}.ci"] != "" } {
    perror "Couldn't make ${testfile}.ci file"
    return -1
}

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile

source ${binfile}.ci

gdb_test "b langs0" {Function "langs0" not defined\.} \
    "break on nonexistent function in langs.exp"

if [runto csub] then {
    global noresults

    gdb_test "show language" "currently c\".*" \
	"show language at csub in langs.exp"
    # On some machines, foo doesn't get demangled because the N_SOL for
    # langs2.cxx is seen only after the function stab for foo.  So
    # the following regexps are kludged to accept foo__Fi as well as foo,
    # even though only the latter is correct.  I haven't tried to xfail it
    # because it depends on details of the compiler.
    
    if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
    gdb_test "bt" "#0.*csub.*#1.*(foo|foo__Fi) \\(.*#2.*cppsub_ .*#3.*fsub.*#4.*langs0__2do \\(.*#5  \[0-9a-fx\]* in main.*" "backtrace in langs.exp"

    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
    gdb_test "up" ".* in (foo|foo__Fi) .* at langs2\\.cxx.*return csub \\(.*" \
	"up to foo in langs.exp"
    gdb_test "show language" "currently c\\+\\+.*" \
	"show language at foo in langs.exp"

    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
    gdb_test "up" ".* in cppsub_ .* at langs2\\.cxx.*return foo \\(.*" \
	"up to cppsub_ in langs.exp"
    gdb_test "show language" "currently c\\+\\+.*" \
	"show language at cppsub_ in langs.exp"

    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
    gdb_test "up" ".* in fsub.* at langs1\\.f.*return \\(cppsub .*" \
	"up to fsub in langs.exp"
    gdb_test "show language" "currently fortran.*" \
	"show language at fsub in langs.exp"

    if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
    gdb_test "up" ".* in langs0__2do .* at .*langs0\\.c.*return fsub.*" \
	"up to langs0__2do in langs.exp"
    gdb_test "show language" "currently c\".*" \
	"show language at langs0__2do in langs.exp"

    gdb_test "up" ".* in main .* at .*langs0\\.c.*if \\(langs0__2do \\(.*" \
	"up to main in langs.exp"
    gdb_test "show language" "currently c\".*" \
	"show language at main in langs.exp"

    if $noresults==1 then { return }

    gdb_test "cont" "Program exited normally\\." \
	"continue to exit in langs.exp"
}

return 0