improved error detection

[[Imported from SVN: r2174]]

am/checklog

@@ -36,7 +36,7 @@ check-log-libs-am:
 	$(LOG_SET_OPTIONS); \
 	for target in $(LTLIBRARIES); do \
 	  $(MAKE) $$i >& $(LOG_FILE); \
-	  $(LOG_STORE) "build" "$$target" "$$path" $(LOG_FILE) >& /dev/null; \
+	  $(LOG_STORE) "lib" "$$target" "$$path" $(LOG_FILE) >& /dev/null; \
 	done;
 
 check-log-build-am:
@@ -48,7 +48,7 @@ check-log-build-am:
 
 check-log-test-am:
 	@LOG () { \
-	  ( echo "$$1"; echo ) > $(LOG_FILE).2; \
+	  echo "$$1" > $(LOG_FILE).2; \
 	  cat $(LOG_FILE) >> $(LOG_FILE).2; \
 	  mv $(LOG_FILE).2 $(LOG_FILE); \
 	}; \

bin/check-log-store.in

@@ -47,16 +47,22 @@ if ($mode ne "dir")
 {
 	## parse logfile and count errors and warnings
 	my $logfile=shift || die $USAGE;
+	my $makeerrors=0;
 	open LOG, $logfile || die "Error reading $logfile";
 	while(<LOG>)
 	{
 		$log = $log.$_;
-		$errors++ if (/error/i);
-		$warnings++ if (/warning/i);
+		$errors++ if (/error/i && ! /^make/);
+		$makeerrors++ if (/error/i && /^make/);
+		$errors++ if (/ld: cannot open/);
+		$warnings++ if (/warning/i && ! /^make/);
+	}
+	if ($makeerrors > $errors + $warnings) {
+		$errors = $makeerrors;
 	}
 	close LOG;
 }
-else
+if ($mode eq "dir")
 {
 	## sum all errors and warings in entries with this newpath as path
 	my $newpath = $path.'/'.$module;