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# -*-perl-*-
$description = "Test the load operator.";
$details = "Test dynamic loading of modules.";
# Don't do anything if this system doesn't support "load"
exists $FEATURES{load} or return -1;
# First build a shared object
# Provide both a default and non-default load symbol
unlink(qw(testload.c testload.so));
open(my $F, '> testload.c') or die "open: testload.c: $!\n";
print $F <<'EOF' ;
#include <string.h>
#include <stdio.h>
#include "gnumake.h"
int plugin_is_GPL_compatible;
int
testload_gmk_setup (gmk_floc *pos)
{
(void)pos;
gmk_eval ("TESTLOAD = implicit", 0);
return 1;
}
int
explicit_setup (gmk_floc *pos)
{
(void)pos;
gmk_eval ("TESTLOAD = explicit", 0);
return 1;
}
EOF
close($F) or die "close: testload.c: $!\n";
# Make sure we can compile
# CONFIG_FLAGS are loaded from config-flags.pm and set by configure
my $sobuild = "$CONFIG_FLAGS{CC} ".($srcdir? "-I$srcdir":'')." $CONFIG_FLAGS{CPPFLAGS} $CONFIG_FLAGS{CFLAGS} -shared -fPIC $CONFIG_FLAGS{LDFLAGS} -o testload.so testload.c";
my $clog = `$sobuild 2>&1`;
if ($? != 0) {
$verbose and print "Failed to build testload.so:\n$sobuild\n$_";
return -1;
}
# TEST 1
run_make_test(q!
PRE := $(.LOADED)
load testload.so
POST := $(.LOADED)
all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
!,
'--warn-undefined-variables', "pre= post=testload.so implicit\n");
# TEST 2
# Load using an explicit function
run_make_test(q!
PRE := $(.LOADED)
load ./testload.so(explicit_setup)
POST := $(.LOADED)
all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
!,
'', "pre= post=testload.so explicit\n");
# TEST 4
# Check multiple loads
run_make_test(q!
PRE := $(.LOADED)
load ./testload.so
load testload.so(explicit_setup)
POST := $(.LOADED)
all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
!,
'', "pre= post=testload.so implicit\n");
# TEST 5
# Check auto-rebuild of loaded file that's out of date
utouch(-10, 'testload.so');
touch('testload.c');
run_make_test(q!
PRE := $(.LOADED)
load ./testload.so
POST := $(.LOADED)
all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
testload.so: testload.c ; @echo "rebuilding $@"; !.$sobuild,
'', "rebuilding testload.so\npre= post=testload.so implicit\n");
# TEST 5
# Check auto-rebuild of loaded file when it doesn't exist
unlink('testload.so');
run_make_test(q!
PRE := $(.LOADED)
-load ./testload.so(explicit_setup)
POST := $(.LOADED)
all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
%.so: %.c ; @echo "rebuilding $@"; !.$sobuild,
'', "rebuilding testload.so\npre= post=testload.so explicit\n");
unlink(qw(testload.c testload.so)) unless $keep;
# This tells the test driver that the perl test script executed properly.
1;
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