configure: fix gcc crash and link optimizer

diff --git a/m4/psi/psi_decl.m4 b/m4/psi/psi_decl.m4
index ae44e73e89e85fb4440ea2efecd80302f7af666d..745fe0c2241a3c6127e9bfd33b9c03b2a59c7be1 100644 (file)
--- a/m4/psi/psi_decl.m4
+++ b/m4/psi/psi_decl.m4
@@ -84,7 +84,7 @@ dnl Adds a pre-defined (vararg) decl to $PSI_VA_DECLS/$PSI_DECLS.
 dnl Calls PSI_MACRO if PSI_FUNC fails.
 AC_DEFUN(PSI_DECL, [
        AC_REQUIRE([PSI_FUNC_LIBC_MAIN])dnl
-       
+
        PSI_DECL_ARGS($1, $2)
 
        psi_symbol="PSI_VAR_NAME($1)"
@@ -95,33 +95,34 @@ AC_DEFUN(PSI_DECL, [
                        decl_save_LIBS=$LIBS
                        LIBS=$lib
                        AC_TRY_LINK(PSI_INCLUDES, [
-                               void (*fn)(void) = (void (*)(void)) $psi_symbol; (*fn)()
+                               void (*fn)(long, long, long) = (void (*)(long,long,long)) $psi_symbol;
+                               fn(1,2,3);
                        ], [
                                psi_symbol_redirect=`nm -g conftest$ac_exeext | $AWK -F ' *|@' '/^@<:@@<:@:space:@:>@@:>@+U '$psi_cv_libc_main'/ {next} /^@<:@@<:@:space:@:>@@:>@+U / {print$[]3; exit}'`
                        ])
                        LIBS=$decl_save_LIBS
-                       
+
                        if test -n "$psi_symbol_redirect"; then
                                if test -n "$lib"; then
                                        psi_decl_check="$psi_symbol_redirect in $lib"
                                else
-                                       psi_decl_check="$psi_symbol_redirect" 
+                                       psi_decl_check="$psi_symbol_redirect"
                                fi
                                break
                        fi
                done
                [psi_cv_fn_]PSI_VAR_NAME($1)=$psi_decl_check
        ])
-       
+
        psi_symbol_redirect=`AS_ECHO("$[psi_cv_fn_]PSI_VAR_NAME($1)") | $AWK -F " in " '{print [$]1}'`
        psi_symbol_libflag=`AS_ECHO("$[psi_cv_fn_]PSI_VAR_NAME($1)") | $AWK -F " in " '{print [$]2}'`
-       
+
        if test -n "$psi_symbol_libflag"; then
                if ! expr "X$LIBS" : "X.*\b$psi_symbol_libflag\b" >/dev/null; then
                        LIBS="$psi_symbol_libflag $LIBS"
                fi
        fi
-       
+
        case "$psi_symbol_redirect" in
        "$psi_symbol"|"_$psi_symbol")
                case "$PHP_DEBUG-$3" in
@@ -131,6 +132,10 @@ AC_DEFUN(PSI_DECL, [
                        ])
                        ;;
                *)
+                       if test -n "$psi_symbol_libflag"
+                       then
+                               PSI_REDIR($psi_symbol)
+                       fi
                        psi_add_decl "$psi_decl_args" $3
                        ;;
                esac