File dlopen.sh of Package pam_mktemp
#!/bin/sh
tempdir=`mktemp -d /tmp/dlopenXXXXXX`
test -n "$tempdir" || exit 1
cat >> $tempdir/dlopen.c << _EOF
#include <dlfcn.h>
#include <stdio.h>
#include <limits.h>
#include <sys/stat.h>
/* Simple program to see if dlopen() would succeed. */
int main(int argc, char **argv)
{
int i;
struct stat st;
char buf[PATH_MAX];
for (i = 1; i < argc; i++) {
if (dlopen(argv[i], RTLD_NOW)) {
fprintf(stdout, "dlopen() of \"%s\" succeeded.\n",
argv[i]);
} else {
snprintf(buf, sizeof(buf), "./%s", argv[i]);
if ((stat(buf, &st) == 0) && dlopen(buf, RTLD_NOW)) {
fprintf(stdout, "dlopen() of \"./%s\" "
"succeeded.\n", argv[i]);
} else {
fprintf(stdout, "dlopen() of \"%s\" failed: "
"%s\n", argv[i], dlerror());
return 1;
}
}
}
return 0;
}
_EOF
for arg in $@ ; do
case "$arg" in
"")
;;
-I*|-D*|-f*|-m*|-g*|-O*|-W*)
cflags="$cflags $arg"
;;
-l*)
ldflags="$ldflags $arg"
;;
/*)
modules="$modules $arg"
;;
*)
modules="$modules $arg"
;;
esac
done
${CC:-gcc} $RPM_OPT_FLAGS $CFLAGS -o $tempdir/dlopen $cflags $tempdir/dlopen.c $ldflags -ldl
retval=0
for module in $modules ; do
case "$module" in
"")
;;
/*)
$tempdir/dlopen "$module"
retval=$?
;;
*)
$tempdir/dlopen ./"$module"
retval=$?
;;
esac
done
rm -f $tempdir/dlopen $tempdir/dlopen.c
rmdir $tempdir
exit $retval