diff --git a/cmake.changes b/cmake.changes
index bed8da2..9ecfdf4 100644
--- a/cmake.changes
+++ b/cmake.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Mar  7 21:09:56 UTC 2016 - tchvatal@suse.com
+
+- Update macros to allow redefinition of builddir not to be build
+  (found 1 upstream that already has build with actually some
+   distributed files)
+
 -------------------------------------------------------------------
 Thu Feb 18 09:00:40 UTC 2016 - olaf@aepfle.de
 
diff --git a/cmake.macros b/cmake.macros
index 416c379..97f7cbc 100644
--- a/cmake.macros
+++ b/cmake.macros
@@ -3,12 +3,13 @@
 #
 %__cmake %{_bindir}/cmake
 %__ctest %{_bindir}/ctest
+%__builddir build
 
 %cmake \
     find . -name CMakeLists.txt \\\
         -exec sed -i -re '/^[[:blank:]]*[sS][eE][tT][[:blank:]]*\\\([[:blank:]]*(CMAKE_BUILD_TYPE|CMAKE_COLOR_MAKEFILE|CMAKE_INSTALL_PREFIX|CMAKE_VERBOSE_MAKEFILE).*\\\)/{s/^/#IGNORE /}' {} + \
-    mkdir -p build \
-    cd build \
+    mkdir -p %__builddir \
+    cd %__builddir \
     %__cmake .. \\\
         -DCMAKE_INSTALL_PREFIX:PATH=%{_prefix} \\\
         -DINCLUDE_INSTALL_DIR:PATH=%{_includedir} \\\
@@ -38,9 +39,9 @@
     %__make %{?_smp_mflags} VERBOSE=1
 
 %cmake_install \
-    %__make VERBOSE=1 DESTDIR=%{buildroot} install/fast -C build
+    %__make VERBOSE=1 DESTDIR=%{buildroot} install/fast -C %__builddir
 
 %ctest \
-    cd build \
+    cd %__builddir \
     %__ctest --output-on-failure --force-new-ctest-process %{?_smp_mflags} \
     cd ..