update BR

diff --git a/polyclipping.spec b/polyclipping.spec
index 41e892fe84d67182bb499345a666c9249d934f3e..05da29e40bbb4f3fee7d13d0ca09a89a93133329 100644 (file)
--- a/polyclipping.spec
+++ b/polyclipping.spec
@@ -15,6 +15,9 @@ Source0:      http://downloads.sourceforge.net/polyclipping/clipper_ver%{version}.zip
 URL:           http://sourceforge.net/projects/polyclipping
 BuildRequires: cmake
 BuildRequires: dos2unix
+BuildRequires: iconv
+BuildRequires: libstdc++-devel
+BuildRequires: pkgconfig
 BuildRequires: sed >= 4.0
 BuildRequires: unzip
 BuildRoot:     %{tmpdir}/%{name}-%{version}-root-%(id -u -n)